Title: £57 Cheap Flights from Redmond to San Francisco (RDM to SFO) - Expedia.co.uk ![Sunset view of the Golden Gate Bridge and fog from Battery Spencer, Golden Gate National Recreation Area, in San Francisco, California.](https://images.trvl-media.com/place/508803/0ac688ba-e7fa-4fb1-9f85-037d98869bf8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/508803/0ac688ba-e7fa-4fb1-9f85-037d98869bf8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £57 Cheap Flights from Redmond (RDM) to San Francisco (SFO) [View £57 flight on Wed, 15 Oct 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:RDM,to:SFO,departure:15/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:57.00&airProductToken=AQphCi8IwaYBEgQyMjE2GPFgIO-4ASi2uPoCMOm4-gI4WEAAWAFqAlNWcghHSDJZWFVCTgouCMGmARIDODM2GO-4ASCycSiqufoCMJm6-gI4WEABWAFqAlNWcghHSDJZWFVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) - [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 Redmond Municipal Airport (RDM) to San Francisco International Airport (SFO) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:rdm,to:sfo,departure:02/10/2025TANYT&leg2=from:sfo,to:rdm,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:rdm,to:sfo,departure:02/10/2025TANYT&leg2=from:sfo,to:rdm,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:rdm,to:sfo,departure:02/10/2025TANYT&leg2=from:sfo,to:rdm,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:rdm,to:sfo,departure:02/10/2025TANYT&leg2=from:sfo,to:rdm,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Hawaiian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:rdm,to:sfo,departure:02/10/2025TANYT&leg2=from:sfo,to:rdm,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) - ## Plan, book, fly with confidence - ### 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 Redmond (RDM) to San Francisco (SFO) Prices were available within the past 7 days and start at £57 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ## Find the cheapest month to fly from Redmond (RDM) to San Francisco (SFO) ### February is typically the cheapest month to fly From £93 - £234 per traveller. Flight from Redmond to San Francisco route information | Origin airport | Robert's Field | | --- | --- | | Destination airport | San Francisco Intl. | | Distance | 740 km | | Average flight time | 1 hour 43 mins | ## Compare flights from Redmond to San Francisco easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Redmond to San Francisco. Operating between them 7 flights per day, 20 airlines cover the route. And American Airlines, Alaska Airlines, Hawaiian Airlines, Copa Airlines, United Airlines fly direct, getting you to San Francisco Intl. in just 1hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Robert's Field to San Francisco 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 Robert's Field (RDM) to San Francisco Intl. (SFO) The easiest way to view the best deals on flights from Redmond to San Francisco 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 Robert's Field to San Francisco 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 Redmond and San Francisco - 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 Redmond to San Francisco flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Robert's Field to San Francisco 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 Redmond Municipal Airport to San Francisco Airport? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight from Roberts Field to San Francisco Intl. Airport (SFO) was . Cheap fares don't last long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from RDM to San Francisco Airport? > This can differ between air carriers, as each has its own terms and conditions. Visit the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033), where you'll find easy-to-follow instructions on how to cancel online. ### How do I find cheap flights from Roberts Field to San Francisco Airport 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 Redmond Municipal Airport to SFO flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Redmond Municipal Airport to San Francisco Airport? > You won't need a lengthy novel for this flight — it's just 750 kilometres from Redmond to San Francisco. Sit down, buckle up and you'll be there in next to no time. ### Which airlines fly direct from Roberts Field to San Francisco Airport? > United Airlines (UA) is one of the top choices for many travellers flying between Redmond Municipal Airport and San Francisco Airport. Take your pick of the 91 flights it operates on this route each month. You could also check out fares with Alaska Airlines (AS). It operates 30 flights a month between Redmond and San Francisco. ### Are Roberts Field to SFO flight tickets cheaper when they're purchased at the last minute? > Last-minute planners can occasionally nab a bargain, with some super cheap airfares from Roberts Field to San Francisco Airport arising a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals regularly — as early as 12 months in advance in some cases. 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