$144 Cheap Flights from Washington (IAD) to San Francisco (SFO)

Bundle Your Flight + Hotel & Save!

Popular airlines among travelers

Alaska Airlines
United
American Airlines
    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Washington to San Francisco (IAD-SFO)

Prices were available within the past 7 days and start at $144 for one-way flights and $285 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, May 30 - Fri, May 31
IAD
Washington
SFO
San Francisco
$285 Roundtrip, found 1 hour ago
$285
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, May 30 from Washington to San Francisco, returning Fri, May 31, priced at $285 found 1 hour ago
Bargain Flight
Wed, May 29 - Tue, Jun 4
IAD
Washington
SFO
San Francisco
$291 Roundtrip, found 14 hours ago
$291
Roundtrip
found 14 hours ago
Select Bargain Flight flight, departing Wed, May 29 from Washington to San Francisco, returning Tue, Jun 4, priced at $291 found 14 hours ago
Alaska Airlines
Wed, May 29 - Fri, May 31
IAD
Washington
SFO
San Francisco
$297 Roundtrip, found 12 hours ago
$297
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Wed, May 29 from Washington to San Francisco, returning Fri, May 31, priced at $297 found 12 hours ago
Alaska Airlines
Thu, May 30 - Tue, Jun 4
IAD
Washington
SFO
San Francisco
$299 Roundtrip, found 7 hours ago
$299
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Thu, May 30 from Washington to San Francisco, returning Tue, Jun 4, priced at $299 found 7 hours ago
Alaska Airlines
Tue, Jun 4 - Thu, Jun 13
IAD
Washington
SFO
San Francisco
$300 Roundtrip, found 8 hours ago
$300
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Tue, Jun 4 from Washington to San Francisco, returning Thu, Jun 13, priced at $300 found 8 hours ago
Alaska Airlines
Wed, May 29 - Fri, May 31
IAD
Washington
SFO
San Francisco
$302 Roundtrip, found 12 hours ago
$302
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Wed, May 29 from Washington to San Francisco, returning Fri, May 31, priced at $302 found 12 hours ago
Alaska Airlines
Tue, Jun 4 - Thu, Jun 13
IAD
Washington
SFO
San Francisco
$303 Roundtrip, found 8 hours ago
$303
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Tue, Jun 4 from Washington to San Francisco, returning Thu, Jun 13, priced at $303 found 8 hours ago
American Airlines
Tue, Oct 22 - Wed, Oct 23
IAD
Washington
SFO
San Francisco
$305 Roundtrip, found 1 day ago
$305
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 22 from Washington to San Francisco, returning Wed, Oct 23, priced at $305 found 1 day ago
American Airlines
Tue, Oct 22 - Wed, Oct 23
IAD
Washington
SFO
San Francisco
$306 Roundtrip, found 1 day ago
$306
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 22 from Washington to San Francisco, returning Wed, Oct 23, priced at $306 found 1 day ago
Alaska Airlines
Sat, Jun 1 - Tue, Jun 4
IAD
Washington
SFO
San Francisco
$308 Roundtrip, found 8 hours ago
$308
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sat, Jun 1 from Washington to San Francisco, returning Tue, Jun 4, priced at $308 found 8 hours ago
Flights from Washington (IAD) to San Francisco (SFO)
Origin airport
Washington Dulles Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Sun Country Airlines, United
Roundtrip price
$285
Distance
2413 mi
Average flight time
3 hours 13 mins

Washington to San Francisco Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Washington to San Francisco offer the perfect respite. Not only does exploring San Francisco provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Washington to San Francisco may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from IAD to SFO today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of San Francisco are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to San Francisco more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to San Francisco is $144 now!

Frequently asked questions

How much is a one-way flight from IAD to San Francisco Airport?
You can nab one-way Washington flights to San Francisco starting from just $157. This is based on the best fare found on Expedia for this route departing within the next three months and was last updated on May 2 2024 and has not changed since. This specific fare is for an Sun Country Airlines service, jetting off from Dulles Intl. Airport on July 2 2024 and coming in to land at SFO.
How long does it take to fly from IAD to San Francisco Airport?
With United Airlines, a direct flight takes approximately 5 hours and 34 minutes. Grab a seat on the 8:25AM flight from IAD and reach San Francisco Airport at 10:59AM. Clinch an awesome deal on this route when you purchase your ticket with Expedia.
Is it cheaper to buy a plane ticket from IAD to SFO last minute?
Being a spontaneous soul is a fantastic way to see the world, but it’s not always the ideal way to pick up a bargain plane ticket. Think about booking your IAD to San Francisco Intl. Airport (SFO) trip well in advance rather than leaving it to the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you reach San Francisco Intl. Airport (SFO)!
What is the cheapest airline flying from IAD to SFO in the next 90 days?
The cheapest airline traveling from Washington to San Francisco found on Expedia is Sun Country Airlines, which has fares starting from $157. This price is based on fares found on Expedia with a departure date within the next 90 days. The flight leaves Washington Dulles Intl. Airport (IAD) on July 2 2024 and touches down at SFO. Pricing information was updated on May 2 2024 and has not changed since.
What's the cheapest price for a flight from Dulles Intl. Airport to San Francisco Airport next month?
The cheapest ticket for a flight from Washington to San Francisco over the next month is $218. If you’re planning a trip soon, lock in this fare before it’s gone. This price was found after looking through all available flights on Expedia with a departure date within the next 30 days. This fare is for a one-way Alaska Airlines flight jetting off from Washington Dulles Intl. Airport (IAD) on May 21 2024 and landing at San Francisco Airport. This price was updated on May 2 2024 and has not changed since.
What airline has the least delays from IAD to San Francisco Intl. Airport (SFO)?
If you’d prefer not to be stuck at the airport — or worse, your vacation plans shelved because of a flight delay — opt for United Airlines. Around 82% of its Washington Dulles Intl. Airport (IAD) to San Francisco Airport services get in on schedule. You can review your flight status before you even get to the airport through the Expedia App. It also delivers real-time notifications about other key info, such as gate changes and how to get to your hotel. Think of it as a travel companion that fits in your pocket!
Can I find cheap nonstop flights from Washington Dulles Intl. Airport (IAD) to SFO in the next three months?
Get set to score a bargain because we’ve discovered a roundtrip nonstop flight with United within the next 90 days for $353. The price was updated on May 2 2024 and was found after searching all available flights on Expedia that are departing in the next three months. This flight from Washington to San Francisco jets off from Washington Dulles Intl. Airport (IAD) on May 25 2024 and arrives at San Francisco Intl. Airport (SFO). The flight’s return date is May 29 2024.Take advantage of our filters to find nonstop cheap flights from Dulles Intl. Airport to San Francisco Airport. Simply click on “Nonstop” under “Filter by” once your search results come up. Not set on flying on a specific day? You can also make use of the “Flexible dates” dropdown menu to see prices for nearby dates. Booking a flight that fits your budget and schedule couldn’t be simpler.
What airports do you fly into for San Francisco from Sterling?
From Sterling, you can reach San Francisco through San Francisco Intl. Airport (SFO), Oakland Intl. Airport (OAK) and Norman Y. Mineta San Jose Intl. Airport (SJC). Check which airport works best for you before you make a decision. If you choose San Francisco Intl. Airport (SFO), it’s around 12 mi south of the city center. Use the cash you save when booking your fare with Expedia to check out the city’s top attractions, such as Pier 39 and Golden Gate Bridge.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to SFO?
The most popular departure times for journeys from IAD to SFO fall between 6:00 PM - 7:00 PM on United Airlines. Our suggestion is to jet off in the morning. The earlier you leave, the better your odds of a delay-free flight with less air traffic in the skies.
Can I change the date of my flight from Dulles Intl. Airport to San Francisco Intl. Airport (SFO)?
Sometimes life gets in the way of plans, so Expedia is here to help make things as easy as possible. First, find your Dulles Intl. Airport to San Francisco Airport itinerary through the Expedia Trips portal and check the fare conditions and rules to see if you can make changes. If you booked your plane ticket in the last 24 hours, some carriers will let you cancel at no cost and organize new flights. If you bought your ticket more than 24 hours ago, get in touch with us via our Customer Service portal to learn more about your options.
*Available to One Key members.