Cheap flights from Redmond to San Francisco International

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Find the cheapest month or even day of the year to fly to San Francisco International

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Flight deals from Redmond Airport to San Francisco International Airport

Looking for a cheap last-minute deal or the best round-trip flight from Redmond Airport to San Francisco International Airport? If you want to travel next month, round-trip fares start from $148. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Redmond to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Redmond to San Francisco International flights are currently cheapest in February.

Direct flights from Redmond to San Francisco International

Redmond to San Francisco: Flight information

The things to know before you go.
Cheapest flight found$148
Cheapest month to flyFebruary
Average flight time1 hr, 50 mins
Most popular airlineSkyWest Airlines
Average flights per week76

Finding cheap flights from Redmond to San Francisco International: Frequently asked questions

The best price we found for a round-trip flight from Redmond to San Francisco International is $148. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 50 minutes is the average flight time from Redmond to San Francisco International.
SkyWest Airlines, Alaska Airlines and Qatar Airways fly direct from Redmond to San Francisco International.
There are 76 flights per week flying from Redmond to San Francisco International, as of January 2026.
The cheapest month to fly from Redmond to San Francisco International is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Redmond Airport to San Francisco International Airport on Thursday, February 12, 2026.
Yes – the average flight time is 1 hour and 50 minutes.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to San Francisco International.

Flying from Roberts Field Airport (RDM) to San Francisco International Airport (SFO): what you need to know

  • Take a direct flight from Roberts Field Airport to San Francisco International Airport and you'll be traveling for an average of 1 hour 40 minutes.

  • San Francisco's timezone is UTC-7, which is the same as Redmond.

  • Each week, there are 36 Roberts Field Airport to San Francisco International Airport flights. If you want to take off as early as possible, opt for the 05:35 United Airlines flight. If you're eager to make the most of your time before you fly, the last departure is at 20:00 with United Airlines.

  • To ensure you catch your RDM to SFO flight, leave plenty of time for things like check-in and baggage drop. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.

  • You'll likely experience bigger queues during popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure will give you ample time for security and boarding.

  • Traveling to San Francisco (and then exploring more of United States!) is a breeze with Alaska Airlines. This popular carrier offers direct flights from Roberts Field Airport to San Francisco International Airport.

  • The majority of travelers choose to travel with Alaska Airlines on this route.

  • With 72.16% of services arriving as planned, United Airlines is the most punctual carrier operating RDM to SFO flights.

  • Think about adding a stopover when booking your ticket from Roberts Field Airport to San Francisco International Airport. Just uncheck 'Direct flights only' to break up your trip, or even explore someplace new along the way. Here are some options between RDM and SFO:

    • Seattle-Tacoma International Airport

    • Salt Lake City International Airport

    • Los Angeles International Airport

How to find the cheapest flights from Roberts Field Airport (RDM) to San Francisco International Airport (SFO)

  • The cheapest price we've found for a one-way Roberts Field Airport to San Francisco International Airport flight is $88. A round-trip ticket is currently $148. Depending on the availability and when you book, these fares may change.

  • Book seven months before your departure date. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from RDM to SFO.

  • The cheapest month for flights from Roberts Field Airport to San Francisco International Airport is June. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.

  • Landing cheap flights from RDM to SFO is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when fares go down.

  • Lock in the right flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Roberts Field Airport to San Francisco International Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about Roberts Field Airport (RDM)

  • Of the departures from Roberts Field Airport, 76.41% touch down on time at their destination.

  • Roberts Field Airport is around 3 kilometers from central Redmond. If you're driving, ride-sharing or catching a cab from the center, it'll take 10 minutes or so to arrive, depending on the traffic.

  • Planning to take public transport? Expect a trip time of around 50 minutes.

  • Get your travels off to a hassle-free start by staying near RDM. Whether you're catching an early flight from Roberts Field Airport to San Francisco International Airport or just don't want to be rushed, these stays are the answer:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport to the center of San Francisco has a drive time of about 20 minutes. It's approximately 21 kilometers away.

  • When traveling by public transport, expect a journey of roughly 45 minutes.

When to fly to San Francisco International Airport (SFO)

  • It's time to choose your trip dates for your flight from Roberts Field Airport to San Francisco International Airport. August is the most popular month to head to San Francisco. If you'd like a quieter vibe, go in February.

  • Before locking in your flight from Roberts Field Airport to San Francisco International Airport, think about the type of weather you like. September is the warmest month in San Francisco, with temperatures ranging from 12ºC (54ºF) to 22ºC (72ºF).

  • Look for cheap tickets from RDM to SFO in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 6ºC (43ºF) and 16ºC (61ºF) on average.

Explore more of United States

  • You've seen San Francisco, now it's time to explore more of United States. Travel about 64 kilometers south-east to San Jose to check off its must-visit sights. From Winchester Mystery House to Rosicrucian Egyptian Museum and San Jose Museum of Art, you've got a jam-packed schedule ahead.

  • Fresno is another favorite destination in United States and is around 257 kilometers south-east of San Francisco. No trip is complete without a visit to Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.