S$179 Cheap Flights from Washington to San Francisco

View S$179 flight on Wed, 20 Aug, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to San Francisco Intl. Airport (SFO)

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

Prices were available within the past 7 days and start at S$179 for one-way flights and S$380 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 23 Aug - Tue, 26 Aug
IAD
Washington
SFO
San Francisco
S$380 Return, found 2 days ago
S$380
Return
found 2 days ago
Select Delta flight, departing Sat, 23 Aug from Washington to San Francisco, returning Tue, 26 Aug, priced at S$380 found 2 days ago
Delta
Sat, 16 Aug - Sat, 23 Aug
IAD
Washington
SFO
San Francisco
S$381 Return, found 3 days ago
S$381
Return
found 3 days ago
Select Delta flight, departing Sat, 16 Aug from Washington to San Francisco, returning Sat, 23 Aug, priced at S$381 found 3 days ago
Delta
Thu, 14 Aug - Thu, 21 Aug
IAD
Washington
SFO
San Francisco
S$405 Return, found 21 hours ago
S$405
Return
found 21 hours ago
Select Delta flight, departing Thu, 14 Aug from Washington to San Francisco, returning Thu, 21 Aug, priced at S$405 found 21 hours ago
Delta
Sat, 16 Aug - Fri, 22 Aug
IAD
Washington
SFO
San Francisco
S$409 Return, found 6 days ago
S$409
Return
found 6 days ago
Select Delta flight, departing Sat, 16 Aug from Washington to San Francisco, returning Fri, 22 Aug, priced at S$409 found 6 days ago
Delta
Sat, 16 Aug - Sat, 23 Aug
IAD
Washington
SFO
San Francisco
S$431 Return, found 3 days ago
S$431
Return
found 3 days ago
Select Delta flight, departing Sat, 16 Aug from Washington to San Francisco, returning Sat, 23 Aug, priced at S$431 found 3 days ago
Delta
Thu, 14 Aug - Thu, 21 Aug
IAD
Washington
SFO
San Francisco
S$435 Return, found 21 hours ago
S$435
Return
found 21 hours ago
Select Delta flight, departing Thu, 14 Aug from Washington to San Francisco, returning Thu, 21 Aug, priced at S$435 found 21 hours ago
Delta
Wed, 10 Dec - Wed, 14 Jan
IAD
Washington
SFO
San Francisco
S$448 Return, found 5 days ago
S$448
Return
found 5 days ago
Select Delta flight, departing Wed, 10 Dec from Washington to San Francisco, returning Wed, 14 Jan, priced at S$448 found 5 days ago
United
Sat, 23 Aug - Tue, 26 Aug
IAD
Washington
SFO
San Francisco
S$456 Return, found 2 days ago
S$456
Return
found 2 days ago
Select United flight, departing Sat, 23 Aug from Washington to San Francisco, returning Tue, 26 Aug, priced at S$456 found 2 days ago
Delta
Sat, 16 Aug - Fri, 22 Aug
IAD
Washington
SFO
San Francisco
S$461 Return, found 6 days ago
S$461
Return
found 6 days ago
Select Delta flight, departing Sat, 16 Aug from Washington to San Francisco, returning Fri, 22 Aug, priced at S$461 found 6 days ago
American Airlines
Sat, 16 Aug - Sat, 23 Aug
IAD
Washington
SFO
San Francisco
S$471 Return, found 3 days ago
S$471
Return
found 3 days ago
Select American Airlines flight, departing Sat, 16 Aug from Washington to San Francisco, returning Sat, 23 Aug, priced at S$471 found 3 days ago

Find the cheapest month to fly from Washington (IAD) to San Francisco (SFO)

April is typically the cheapest month to fly

From S$179 - S$485 per traveller.

Graph displaying average flight prices per month

Washington to San Francisco route information
Origin airport
Washington Dulles Intl.
Destination airport
San Francisco Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$379
Distance
3862 km
Average flight time
2 hours 47 mins

Perfect flights from Washington to San Francisco

Your Journey from Washington to San Francisco

Start your unforgettable journey with Expedia. Our broad selection of flights from Washington to San Francisco caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United, American Airlines. Our selection of flights from Washington Dulles Intl. to San Francisco Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Washington to San Francisco Flights

Experience the joy of finding cheap flights from Washington Dulles Intl. to San Francisco Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$179 and roundtrip prices from S$380*.
 

Pre-Flight Essentials

Ensure a smooth journey from Washington to San Francisco with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant San Francisco

Picture yourself stepping off the plane in San Francisco and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Washington to San Francisco Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Washington to San Francisco.
 

Beyond the Flight – Exploring San Francisco

With Expedia, your adventure extends beyond the flight. Explore San Francisco at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Washington to San Francisco with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Washington to San Francisco with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to San Francisco Intl. Airport (SFO)?
Round-trip flights between Dulles Intl. Airport and San Francisco Airport start from S$380. This figure is based on fares advertised within the last 7 days on Expedia for flights departing within the next year --- make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to San Francisco Intl. Airport (SFO)?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to San Francisco Intl. Airport (SFO) 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 Dulles Intl. Airport to SFO flights, you'll see a "no change fees" filter for you to select.
How far is the flight from IAD to San Francisco Intl. Airport (SFO)?
It's around 3,900 kilometres from Chantilly to San Francisco, so you'll be strapped into your seat for a while. Keep yourself entertained with things like playing cards (if you're travelling with friends) or the latest bestseller.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to San Francisco Intl. Airport (SFO)?
With 152 flights a month operating from IAD to San Francisco Airport, United Airlines (UA) is a terrific choice. Alaska Airlines (AS) is another option. It operates 30 flights each month. Between these two airlines, you'll be able to find a good deal from Chantilly to San Francisco.
Are Dulles Intl. Airport to San Francisco Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to find a fantastic last-minute deal from IAD to San Francisco Airport, but it's also possible to miss out altogether! As many airlines release prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares carrier prices and updates flight deals often, so you can be certain you're always seeing the latest offers.

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