Title: Cheap Flights from Seattle to Melbourne (SEA to MLB) - Expedia.co.uk ![Botanical Gardens which includes a park](https://images.trvl-media.com/place/553248621532653201/24f8a575-4e74-42d8-8522-e2c401023b46.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Seattle (SEA) to Melbourne (MLB) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Seattle-Tacoma International Airport (SEA) to Melbourne Orlando Intl. Airport (MLB) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:mlb,departure:19/10/2025TANYT&leg2=from:mlb,to:sea,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:mlb,departure:19/10/2025TANYT&leg2=from:mlb,to:sea,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from Seattle (SEA) to Melbourne (MLB) ### April is typically the cheapest month to fly From £186 - £545 per traveller. Flight from Seattle to Melbourne route information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Orlando Melbourne Intl. | | Distance | 4153 km | ## Compare flights from Seattle to Melbourne easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Melbourne. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Orlando Melbourne Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Orlando Melbourne 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 Seattle - Tacoma Intl. (SEA) to Orlando Melbourne Intl. (MLB) The easiest way to view the best deals on flights from Seattle to Melbourne 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 Seattle - Tacoma Intl. to Orlando Melbourne Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Seattle and Melbourne - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Seattle to Melbourne flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Orlando Melbourne 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 is a flight from SEA to Melbourne Intl. Airport? > The lowest price advertised for a round-trip flight from SEA to Melbourne Intl. Airport is . But you better get a move on. This figure is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from SEA to MLB? > We understand that things crop up unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just visit the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033) and follow the instructions. ### How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Orlando Melbourne Intl. Airport (MLB) that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to Orlando Melbourne Intl. Airport (MLB) flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Melbourne Intl. Airport? > With around 4,200 kilometres separating SeaTac and Melbourne, your flight will be a long one. Pack wisely to make your time in the air comfortable. Things like warm clothes and a cosy travel pillow can make a huge difference. ### Which airlines fly direct from Sea-Tac Airport to Orlando Melbourne Intl. Airport (MLB)? > If you want to travel straight from SEA to Melbourne Intl. Airport, you'll need to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly between these airports. ### Are Seattle - Tacoma Intl. Airport (SEA) to Melbourne Intl. Airport flight tickets cheaper when they're purchased at the last minute? > Booking your trip from Sea-Tac Airport to Melbourne Intl. Airport at the last minute could be your ticket to a fantastic deal. However, you might miss out on a flight altogether! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. 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