S$165 Cheap Flights from San Francisco to Washington

View S$165 flight on Sat, 25 Apr, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at S$165 for one-way flights and S$343 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 23 Feb - Tue, 24 Feb
SFO
San Francisco
IAD
Washington
S$343 Return, found 4 days ago
S$343
Return
found 4 days ago
Select Delta flight, departing Mon, 23 Feb from San Francisco to Washington, returning Tue, 24 Feb, priced at S$343 found 4 days ago
Delta
Mon, 23 Feb - Tue, 24 Feb
SFO
San Francisco
IAD
Washington
S$421 Return, found 4 days ago
S$421
Return
found 4 days ago
Select Delta flight, departing Mon, 23 Feb from San Francisco to Washington, returning Tue, 24 Feb, priced at S$421 found 4 days ago
American Airlines
Mon, 23 Feb - Tue, 24 Feb
SFO
San Francisco
IAD
Washington
S$433 Return, found 4 days ago
S$433
Return
found 4 days ago
Select American Airlines flight, departing Mon, 23 Feb from San Francisco to Washington, returning Tue, 24 Feb, priced at S$433 found 4 days ago
American Airlines
Mon, 23 Feb - Tue, 24 Feb
SFO
San Francisco
IAD
Washington
S$484 Return, found 4 days ago
S$484
Return
found 4 days ago
Select American Airlines flight, departing Mon, 23 Feb from San Francisco to Washington, returning Tue, 24 Feb, priced at S$484 found 4 days ago
United
Mon, 23 Feb - Tue, 24 Feb
SFO
San Francisco
IAD
Washington
S$484 Return, found 4 days ago
S$484
Return
found 4 days ago
Select United flight, departing Mon, 23 Feb from San Francisco to Washington, returning Tue, 24 Feb, priced at S$484 found 4 days ago
Delta
Mon, 23 Feb - Tue, 24 Feb
SFO
San Francisco
IAD
Washington
S$486 Return, found 4 days ago
S$486
Return
found 4 days ago
Select Delta flight, departing Mon, 23 Feb from San Francisco to Washington, returning Tue, 24 Feb, priced at S$486 found 4 days ago
American Airlines
Mon, 23 Feb - Tue, 24 Feb
SFO
San Francisco
IAD
Washington
S$498 Return, found 4 days ago
S$498
Return
found 4 days ago
Select American Airlines flight, departing Mon, 23 Feb from San Francisco to Washington, returning Tue, 24 Feb, priced at S$498 found 4 days ago
Delta
Mon, 23 Feb - Tue, 24 Feb
SFO
San Francisco
IAD
Washington
S$499 Return, found 4 days ago
S$499
Return
found 4 days ago
Select Delta flight, departing Mon, 23 Feb from San Francisco to Washington, returning Tue, 24 Feb, priced at S$499 found 4 days ago
American Airlines
Mon, 23 Feb - Tue, 24 Feb
SFO
San Francisco
IAD
Washington
S$509 Return, found 4 days ago
S$509
Return
found 4 days ago
Select American Airlines flight, departing Mon, 23 Feb from San Francisco to Washington, returning Tue, 24 Feb, priced at S$509 found 4 days ago
United
Mon, 23 Feb - Tue, 24 Feb
SFO
San Francisco
IAD
Washington
S$536 Return, found 4 days ago
S$536
Return
found 4 days ago
Select United flight, departing Mon, 23 Feb from San Francisco to Washington, returning Tue, 24 Feb, priced at S$536 found 4 days ago

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

January is typically the cheapest month to fly

From S$179 - S$489 per traveller.
San Francisco to Washington route information
Origin airport
San Francisco Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$342
Distance
3862 km
Average flight time
8 hours 43 mins

Perfect flights from San Francisco to Washington

Your Journey from San Francisco to Washington

Start your unforgettable journey with Expedia. Our broad selection of flights from San Francisco to Washington 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 San Francisco Intl. to Washington Dulles 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 San Francisco to Washington Flights

Experience the joy of finding cheap flights from San Francisco Intl. to Washington Dulles Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$165 and roundtrip prices from S$343*.
 

Pre-Flight Essentials

Ensure a smooth journey from San Francisco to Washington 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 Washington

Picture yourself stepping off the plane in Washington 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 San Francisco to Washington 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 San Francisco to Washington.
 

Beyond the Flight – Exploring Washington

With Expedia, your adventure extends beyond the flight. Explore Washington 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 San Francisco to Washington 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 San Francisco to Washington 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 SFO to IAD?
Round-trip flights between SFO and Dulles Intl. Airport start from S$343. This is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book 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 San Francisco Airport to Dulles Intl. Airport?
Each air carrier has its own set of terms and conditions. If you decide to cancel your getaway, head to our Customer Service Portal.
How do I find cheap flights from SFO to IAD 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 San Francisco Airport to IAD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from San Francisco Intl. Airport (SFO) to Dulles Intl. Airport?
The flight distance between San Francisco Airport and IAD is 3,900 kilometres. Bring along a drink, some snacks and a good book to read. Keep yourself occupied and the time will fly by.
Which airlines fly direct from San Francisco Airport to Washington Dulles Intl. Airport (IAD)?
With 152 monthly flights from San Francisco Airport to Washington Dulles Intl. Airport (IAD), United Airlines (UA) is a top choice. Another carrier operating on this route is Alaska Airlines (AS). You'll have 30 flights each month to take your pick of.
Are SFO to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Airline tickets from SFO to Washington Dulles Intl. Airport (IAD) are available up to a year before departure on Expedia. And although you may occasionally nab great last-minute deal, it's never a sure thing. Also, booking your flights in advance means you'll have more choices — and you can avoid ending up with the dreaded middle seat! We regularly update our fares to bring you the biggest bargains, so check back often for all the latest specials.

Explore a world of travel with Expedia

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