--- title: "£497 Cheap Flights from Portland to Sydney (PDX to SYD) - Expedia.co.uk" description: "Reserve one-way or return flights from Portland to Sydney with no change fee on selected flights. Earn your airline miles on top of our rewards! Get 2026 flight deals for now!" canonical: "https://www.expedia.co.uk/lp/flights/pdx/syd/portland-to-sydney" language: en-GB market: GB currency: GBP prices_as_of: 2026-11-13T16:58:39Z --- # £497 Cheap Flights from Portland (PDX) to Sydney (SYD) ![A sunset over Sydney's skyline, including the Sydney Opera House and Harbour Bridge.](https://images.trvl-media.com/place/4479315/e2337fa1-40e8-43a6-95e3-ba3d15dccce7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View £497 flight on Sun, 15 Nov 2026](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:15/11/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:496.10&airProductToken=AQp2CjoI0YwBEgQzNzE0GO-4ASCLuAEor6CdAzDAoZ0DOE9AAFgBagRFQ1NMcgVPSlgwVXoJCMGmARIDNDgwCjgI0YwBEgQ0MTEyGIu4ASCSHijQpJ0DMOirnQM4T0AAWAFqBEVDU0xyBU9KWDBVeggIwYIBEgI3MxIKCAEQARgBKgJRRhgBIgQIARABKAIoAygEMAs) ## Popular airlines from Portland International Airport (PDX) to Sydney Airport (SYD) [Qantas Airways](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:27/11/2026TANYT&leg2=from:SYD,to:PDX,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QF"}}]) [Alaska Airlines](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:27/11/2026TANYT&leg2=from:SYD,to:PDX,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) [Air Canada](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:27/11/2026TANYT&leg2=from:SYD,to:PDX,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) [Air New Zealand](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:27/11/2026TANYT&leg2=from:SYD,to:PDX,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NZ"}}]) [United](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:27/11/2026TANYT&leg2=from:SYD,to:PDX,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [Delta](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:27/11/2026TANYT&leg2=from:SYD,to:PDX,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [American Airlines](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:27/11/2026TANYT&leg2=from:SYD,to:PDX,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 25% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from Portland to Sydney (PDX-SYD) Prices were available within the past 7 days and start at £497 for one-way flights and £896 for return, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return [Select Alaska Airlines flight, departing Sat, 23 Jan from Portland to Sydney, returning Sun, 31 Jan, priced at £896 Found 4 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:23/01/2027TANYT&leg2=from:SYD,to:PDX,departure:31/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:895.40&airProductToken=AQqBAQoqCMGmARIDNzEzGO-4ASCLuAEohqmjAzCYqqMDOEdAAFgBcgdSVkxVU0FECikIxpQBEgM4MTEYi7gBII1oKOusowMwmLKjAzhSQAFYAXIHUlZMVVNBRAooCMaUARIDOTE1GI1oIJIeKPe3owMwmbqjAzhSQAFYAXIHUlZMVVNBRAqBAQooCMaUARIDOTE0GJIeII1oKJT2owMwhPijAzhSQABYAXIHUlZMVVNBRAopCMaUARIDODEwGI1oIIu4ASiE%5FaMDMPCBpAM4UkABWAFyB1JWTFVTQUQKKgjBpgESAzIxNxiLuAEg77gBKNeEpAMw7oWkAzhPQAFYAXIHUlZMVVNBRBIKCAEQARgBKgJGShgBIgQIARABKAIoAygEMAE6JGM5YTMxNjE1LWFlYWUtNDY2ZS1iMzNiLTBhZDMyMThmYzkzYw) Sat, 23 Jan - Sun, 31 Jan · PDX · SYD · From £896 · Return [Select Alaska Airlines flight, departing Sat, 23 Jan from Portland to Sydney, returning Sun, 31 Jan, priced at £970 Found 4 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:23/01/2027TANYT&leg2=from:SYD,to:PDX,departure:31/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:969.80&airProductToken=AQp%5FCioIwaYBEgM3MTMY77gBIIu4ASiGqaMDMJiqowM4R0AAWAFyB0tXMFpBQVkKJwjOtAESATUYi7gBIMBaKNCrowMw0rGjAzhLQAFYAXIHS1cwWkFBWQooCM60ARIDMTAxGMBaIJIeKI6yowMw77OjAzhLQAFYAXIHS1cwWkFBWQqNAQooCM60ARIDMTA2GJIeIMBaKPn5owMwt%5FujAzhLQABYAXIHS1gwWkFBWQooCM60ARICMjQYwFoguI0BKIL8owMwjoKkAzhLQAFYAXIHS1gwWkFBWQo3CM60ARIENDUyMxi4jQEg77gBKLKFpAMw%5FoWkAzhLQAFYAXIHS1gwWkFBWXoKCNGWARIENDUyMxIKCAEQARgBKgJOWhgBIgQIARABKAIoAygEMAE6JGM5YTMxNjE1LWFlYWUtNDY2ZS1iMzNiLTBhZDMyMThmYzkzYw) Sat, 23 Jan - Sun, 31 Jan · PDX · SYD · From £970 · Return [Select United flight, departing Sun, 15 Nov from Portland to Sydney, returning Sun, 22 Nov, priced at £986 Found 6 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:15/11/2026TANYT&leg2=from:SYD,to:PDX,departure:22/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:985.60&airProductToken=AQpfCi4I1YIBEgM3NTEY77gBILJxKKWgnQMwk6GdAzhHQABYAWoCQkVyCEdMWDA3SEJSCi0I1YIBEgM4NjMYsnEgkh4o6aSdAzD8q50DOEdAAVgBagJCRXIIR0xYMDdIQlIKYAotCNWCARIDODcwGJIeILJxKLLlnQMw4eudAzhHQABYAWoCQkVyCEdMVzA3SEJSCi8I1YIBEgQxODEyGLJxIO-4ASjA8J0DMLDxnQM4R0ABWAFqAkJFcghHTFcwN0hCUhIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE6JDYyYjY2ZmRkLWQzZjItNDg3MS1iODU4LWI0NWU4MmE4ZDg0Yw) Sun, 15 Nov - Sun, 22 Nov · PDX · SYD · From £986 · Return [Select Delta flight, departing Sun, 15 Nov from Portland to Sydney, returning Sun, 22 Nov, priced at £986 Found 6 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:15/11/2026TANYT&leg2=from:SYD,to:PDX,departure:22/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:985.80&airProductToken=AQpvCjcIxJgBEgQyOTc1GO-4ASCLuAEolJ-dAzCjoJ0DOEVAAFgBaglNQUlOQkFTSUNyCFZMWDA3UEJECjQIxJgBEgI0MRiLuAEgkh4ot6SdAzDKq50DOEVAAVgBaglNQUlOQkFTSUNyCFZMWDA3UEJECm8KNAjEmAESAjQwGJIeIIu4ASjs5J0DMK%5FrnQM4RUAAWAFqCU1BSU5CQVNJQ3IIVkxXMDdQQkQKNwjEmAESBDI1NTEYi7gBIO-4ASil750DMLXwnQM4RUABWAFqCU1BSU5CQVNJQ3IIVkxXMDdQQkQSCggBEAEYASoCREwYASIECAEQASgCKAMoBDABOiQ2MmI2NmZkZC1kM2YyLTQ4NzEtYjg1OC1iNDVlODJhOGQ4NGM) Sun, 15 Nov - Sun, 22 Nov · PDX · SYD · From £986 · Return [Select Alaska Airlines flight, departing Sun, 15 Nov from Portland to Sydney, returning Sun, 22 Nov, priced at £1,002 Found 6 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:15/11/2026TANYT&leg2=from:SYD,to:PDX,departure:22/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1002.00&airProductToken=AQpsCi4IwaYBEgM3MTMY77gBIIu4ASj4oJ0DMIuinQM4R0AAWAFqBEVDU0xyBU9KWDBTCjoI0YwBEgQ0MTEyGIu4ASCSHijQpJ0DMOirnQM4T0ABWAFqBEVDU0xyBU9KWDBTegoIwYIBEgQ0MTEyCm0KOgjRjAESBDQxMTEYkh4gi7gBKIrlnQMwzeudAzhPQABYAWoERUNTTHIFT0pXMFN6CgjBggESBDQxMTEKLwjBpgESBDEzOTcYi7gBIO-4ASip8Z0DML%5FynQM4T0ABWAFqBEVDU0xyBU9KVzBTEgoIARABGAEqAlFGGAEiBAgBEAEoAigDKAQwATokNjJiNjZmZGQtZDNmMi00ODcxLWI4NTgtYjQ1ZTgyYThkODRj) Sun, 15 Nov - Sun, 22 Nov · PDX · SYD · From £1,002 · Return [Select Air New Zealand flight, departing Sat, 23 Jan from Portland to Sydney, returning Sun, 31 Jan, priced at £1,007 Found 4 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:23/01/2027TANYT&leg2=from:SYD,to:PDX,departure:31/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1006.80&airProductToken=AQqKAQo2CM60ARIEOTM1NxjvuAEgsnEoxKWjAzC0pqMDOEdAAFgBcgdHVzBaQUFZegoI1YIBEgQ5MzU3CiYIzrQBEgE3GLJxIMBaKMarowMwzbGjAzhHQAFYAXIHR1cwWkFBWQooCM60ARIDMTAzGMBaIJIeKJCzowMw57SjAzhHQAFYAXIHR1cwWkFBWQqNAQooCM60ARIDMTA2GJIeIMBaKPn5owMwt%5FujAzhLQABYAXIHS1gwWkFBWQooCM60ARICMjQYwFoguI0BKIL8owMwjoKkAzhLQAFYAXIHS1gwWkFBWQo3CM60ARIENDUyMxi4jQEg77gBKLKFpAMw%5FoWkAzhLQAFYAXIHS1gwWkFBWXoKCNGWARIENDUyMxIKCAEQARgBKgJOWhgBIgQIARABKAIoAygEMAE6JGM5YTMxNjE1LWFlYWUtNDY2ZS1iMzNiLTBhZDMyMThmYzkzYw) Sat, 23 Jan - Sun, 31 Jan · PDX · SYD · From £1,007 · Return [Select Qantas Airways flight, departing Sun, 15 Nov from Portland to Sydney, returning Sun, 22 Nov, priced at £1,017 Found 6 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:15/11/2026TANYT&leg2=from:SYD,to:PDX,departure:22/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1016.20&airProductToken=AQp2CjoI0YwBEgQzNzE0GO-4ASCLuAEor6CdAzDAoZ0DOE9AAFgBagRFQ1NMcgVPSlgwVXoJCMGmARIDNDgwCjgI0YwBEgQ0MTEyGIu4ASCSHijQpJ0DMOirnQM4T0AAWAFqBEVDU0xyBU9KWDBVeggIwYIBEgI3MxIKCAEQARgBKgJRRhgBIgQIARABKAIoAygEMAs) Sun, 15 Nov - Sun, 22 Nov · PDX · SYD · From £1,017 · Return [Select American Airlines flight, departing Sun, 15 Nov from Portland to Sydney, returning Sun, 22 Nov, priced at £1,129 Found 6 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:15/11/2026TANYT&leg2=from:SYD,to:PDX,departure:22/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1128.80&airProductToken=AQpzCjIIwYIBEgQ2MjkwGO-4ASCLuAEom52dAzDCnp0DOE9AAFgBagRNQUlOcghPSlgwT1pOMQo9CMGCARIENzM4NxiLuAEgkh4oyaOdAzDNqp0DOE9AAVgBagRNQUlOcghPSlgwT1pOMXoKCNGMARIENzM4NxIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAE6JDIzYWMwZTAyLWIyZDQtNDhhOS04ZDlhLTRmNWJlMDEyZTk5ZA) Sun, 15 Nov - Sun, 22 Nov · PDX · SYD · From £1,129 · Return [Select Qantas Airways flight, departing Thu, 24 Dec from Portland to Sydney, returning Thu, 31 Dec, priced at £1,489 Found 4 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:24/12/2026TANYT&leg2=from:SYD,to:PDX,departure:31/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1488.50&airProductToken=AQqYAQo7CNGMARIEMzcwNBjvuAEgi7gBKMvYoAMw3dmgAzhPQABYAWoERUNTTHIFT0pFMFN6CgjBpgESBDM3MDQKLAjRjAESAjE2GIu4ASChIyj52qADMMbhoAM4T0ABWAFqBEVDU0xyBU9KRTBTCisI0YwBEgM1MTMYoSMgkh4o4eKgAzDA46ADOFFAAVgBagRFQ1NMcgRRSVFXCm0KOgjRjAESBDQxMTEYkh4gi7gBKOqboQMwsqKhAzhRQABYAWoERUNTTHIFUVNXOFF6CgjBggESBDQxMTEKLwjRjAESBDMwMDYYi7gBIO-4ASjipqEDMIKooQM4UUABWAFqBEVDU0xyBVFTVzhREgoIARABGAEqAlFGGAEiBAgBEAEoAigDKAQwATokMTFjNGE4MzEtNzVlMi00ZjE4LWI5MDQtMWRlYmEwMDMxNzg3) Thu, 24 Dec - Thu, 31 Dec · PDX · SYD · From £1,489 · Return [Select British Airways flight, departing Sun, 15 Nov from Portland to Sydney, returning Sun, 22 Nov, priced at £2,558 Found 6 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:PDX,to:SYD,departure:15/11/2026TANYT&leg2=from:SYD,to:PDX,departure:22/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:2557.30&airProductToken=AQpmCjIIwoIBEgMyNjYY77gBIOuJASipop0DMOimnQM4VkAAWAFqBU5PQkFHcghWTE5DMDdCNwowCMKCARICMTUY64kBIJIeKKyrnQMwi7adAzhWQAFYAWoFTk9CQUdyCFZMTkMwN0I3CmYKMAjCggESAjE2GJIeIOuJASjA550DMOXynQM4TkAAWAFqBU5PQkFHcghOTE5DMDdCNwoyCMKCARIDMjY3GOuJASDvuAEoz%5FadAzC2-50DOE5AAVgBagVOT0JBR3IITkxOQzA3QjcSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) Sun, 15 Nov - Sun, 22 Nov · PDX · SYD · From £2,558 · Return ## Find the cheapest month to fly from Portland (PDX) to Sydney (SYD) ### May is typically the cheapest month to fly From £732 - £905 per traveller. View flights in May Insights are based on prices from searches for economy trips of 10 days or less on our sites in the last 12 months. Insights are informative only and current prices may differ. ## Book with confidence ### Compare flights from Portland to Sydney easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Portland to Sydney. Operating between them flights per day, 9 airlines cover the route. And fly direct, getting you to Kingsford Smith Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Portland Intl. to Kingsford Smith Intl.. To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. #### Grab a great deal on your flight from Portland Intl. (PDX) to Kingsford Smith Intl. (SYD) The easiest way to view the best deals on flights from Portland to Sydney today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Portland Intl. to Kingsford Smith Intl. start at just £896 and range up to £2,558\. To find an even better deal, try - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Portland and Sydney - booking your flight during January, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper #### Why you should book your Portland to Sydney flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Portland Intl. to Kingsford Smith Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you. Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight. ## Frequently Asked Questions ### How much does a flight from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) cost? You can find cheap one-way flights from £497 and cheap return flights £896 PDX to SYD with Expedia. Return flights often range between £863 and £3366\. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when PDX to SYD ticket fares go up or down. ### What is the cheapest month to fly from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)? The cheapest months to fly from PDX to SYD are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route. ### Which airlines fly direct from Portland, OR (PDX) to Sydney, NSW (SYD)? Enter PDX to SYD and your travel dates, then apply the 'Nonstop' filter to see only direct flights. ### What is the cheapest airline that flies from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)? Delta is one of the cheapest airlines offering connecting return flights from Portland International Airport (PDX) to Kingsford Smith International Airport (SYD), with prices starting from around £906 for flights that can be booked for departure within the next year. These flights typically include a layover in Seattle - Tacoma International (SEA). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget. ### How do I find cheap flights from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)? To find a cheap flight from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up [Price Tracking](https://www.expedia.co.uk/why/price-tracking) and receive alerts when fares go up or down. ### What is the best time to fly from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)? The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience. ### How many flights per day from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)? There are approximately 41 connecting flights per day from Portland Intl. (PDX) to Kingsford Smith Intl. (SYD). Some common connection points include Los Angeles Intl. (LAX), San Francisco Intl. (SFO), and Vancouver Intl. (YVR). ### What is the earliest flight from Portland, OR (PDX) to Sydney, NSW (SYD)? Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Portland, OR (PDX) to Sydney, NSW (SYD). To compare more early flights, use the "Early Morning" and "Morning" filters in your search. ### What day of the week has the most flights from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)? You'll typically find the most flights from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) on a Thursday, with around 46 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Alaska Airlines, United, and American Airlines. Flight options are notably more plentiful on Thursdays compared to other days of the week, offering you more flexibility. ### What are the most popular departure times for flights from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)? The most popular departure times for flights from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) are in the afternoon, from 3pm to 6pm. Many major carriers, including Delta, Alaska Airlines and United, offer flights during this window. Many travellers prefer these times as they allow you to have a full day before your flight and arrive in Sydney at a convenient time. ### How long does it take to fly from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)? A flight from PDX to SYD with a layover takes around 20 hours 20 minutes, with the route covering approximately 12,360 kilometers. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic. ### Can you fly business or first class from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)? Yes, you can fly business class or first class between PDX and SYD. Airlines that offer business class service on this route include: \* Alaska Airlines \* Delta \* United \* American Airlines First class cabins are available on Alaska Airlines and American Airlines. ### How do I earn miles on a Portland, OR (PDX) to Sydney, NSW (SYD) flight with Expedia? It's easy to earn miles on a Portland, OR (PDX) to Sydney, NSW (SYD) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of [One Key™](https://www.expedia.co.uk/welcome-one-key), you can also earn OneKeyCash™\* on top of your airline miles when you book with Expedia. \*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands. ### Is it cheaper to buy a plane ticket from Portland, OR (PDX) to Sydney, NSW (SYD) at the last minute? Typically, booking a last minute flight from Portland, OR (PDX) to Sydney, NSW (SYD) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare. ### Is it cheaper to book a Portland, OR (PDX) to Sydney, NSW (SYD) flight and hotel package? Securing a Portland, OR (PDX) to Sydney, NSW (SYD) [flight and hotel package](https://www.expedia.co.uk/sydney.d178312.holidays-city-breaks) is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars. ### Can I cancel or change the date of my flight from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)? If you booked your Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in [your itinerary](https://www.expedia.co.uk/trips) or confirmation email. Or, head to our [Customer Service portal](https://www.expedia.co.uk/helpcenter/) if you'd like more information. ## Travel information | Origin airport | Portland International Airport | | ------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Sydney Airport | | Distance | 7,679 miles away | | Airlines serving | Qantas Airways, Alaska Airlines, Air Canada, Air New Zealand, United, Delta, American Airlines, Korean Air, All Nippon Airways, Cathay Pacific, British Airways, Qatar Airways, Air Tahiti Nui, Japan Airlines | | Popular airline | Qantas Airways | | Return price | £896 | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Aberdeen (ABZ) to Sydney (SYD)](https://www.expedia.co.uk/lp/flights/abz/syd/aberdeen-to-sydney) - [Flights from Adelaide (ADL) to Sydney (SYD)](https://www.expedia.co.uk/lp/flights/adl/syd/adelaide-to-sydney) - 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