$65 Cheap Flights from San Francisco (SFO) to Washington (IAD)

View $65 flight on Thu, Jan 15, 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 $65 for one-way flights and $130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Jan 8 - Wed, Jan 14
SFO
San Francisco
IAD
Washington
$130 Roundtrip, just found
$130
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jan 8 from San Francisco to Washington, returning Wed, Jan 14, priced at $130 just found
Frontier Airlines
Mon, Jan 12 - Sun, Jan 18
SFO
San Francisco
IAD
Washington
$134 Roundtrip, just found
$134
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Jan 12 from San Francisco to Washington, returning Sun, Jan 18, priced at $134 just found
Frontier Airlines
Thu, Jan 8 - Mon, Jan 12
SFO
San Francisco
IAD
Washington
$138 Roundtrip, just found
$138
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jan 8 from San Francisco to Washington, returning Mon, Jan 12, priced at $138 just found
Frontier Airlines
Sat, Dec 6 - Thu, Dec 11
SFO
San Francisco
IAD
Washington
$146 Roundtrip, found 2 hours ago
$146
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Dec 6 from San Francisco to Washington, returning Thu, Dec 11, priced at $146 found 2 hours ago
Frontier Airlines
Thu, Jan 8 - Wed, Jan 14
SFO
San Francisco
IAD
Washington
$168 Roundtrip, just found
$168
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jan 8 from San Francisco to Washington, returning Wed, Jan 14, priced at $168 just found
Frontier Airlines
Mon, Jan 12 - Sun, Jan 18
SFO
San Francisco
IAD
Washington
$172 Roundtrip, just found
$172
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Jan 12 from San Francisco to Washington, returning Sun, Jan 18, priced at $172 just found
Alaska Airlines
Tue, Dec 9 - Sun, Dec 14
SFO
San Francisco
IAD
Washington
$201 Roundtrip, just found
$201
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Dec 9 from San Francisco to Washington, returning Sun, Dec 14, priced at $201 just found
Southwest Airlines
Tue, Dec 9 - Sun, Dec 14
SFO
San Francisco
IAD
Washington
$207 Roundtrip, just found
$207
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Dec 9 from San Francisco to Washington, returning Sun, Dec 14, priced at $207 just found
United
Wed, Feb 25 - Tue, Mar 3
SFO
San Francisco
IAD
Washington
$237 Roundtrip, just found
$237
Roundtrip
just found
Select United flight, departing Wed, Feb 25 from San Francisco to Washington, returning Tue, Mar 3, priced at $237 just found
American Airlines
Wed, Feb 25 - Tue, Mar 3
SFO
San Francisco
IAD
Washington
$256 Roundtrip, just found
$256
Roundtrip
just found
Select American Airlines flight, departing Wed, Feb 25 from San Francisco to Washington, returning Tue, Mar 3, priced at $256 just found

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

April is typically the cheapest month to fly

From $140 - $487 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $421
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $421

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD) cost?
Secure a cheap one-way flight from $65 or cheap return flight from $130 from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from SFO to IAD is January, when demand is low. Off-peak season is typically when airlines offer lower prices between these airports.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD)?
Hop on a direct flight with United Airlines and head straight from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD).
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline that'll fly you from SFO to IAD, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD)?
Each day, an average of 5 direct flights operate from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD). Choose the departure time that fits your schedule best.
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD)?
More travelers fly between SFO and IAD at 7 AM than at any other point in the day. Rather skip the crowds? Travel outside of rush hours and there's a chance you'll save on your fare as well.
What day of the week has the most flights from SFO to IAD?
If you jet off on a Friday, you'll get the largest range of options for flights from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD)?
Take the earliest flight at around 7:00AM UTC-8, heading out of San Francisco Intl. Airport (SFO). You'll be traveling for about 5h 6m, arriving at Washington Dulles Intl. Airport (IAD) at approximately 3:06PM UTC-5.
How long does it take to fly from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD)?
Typically, it takes 5 hours and 6 minutes to travel the 2,400 mi from SFO to IAD.
What airline has the least delays from SFO to IAD?
Consider booking with United Airlines if you'd like to go straight from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD) without any interruptions. This carrier has the best track record for punctuality, with an on-time performance of 80%. Want to be updated if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD)?
To land at Washington Dulles Intl. Airport (IAD) on schedule, book a flight that takes off from San Francisco Intl. Airport (SFO) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from San Francisco Intl. Airport (SFO)?
San Francisco Intl. Airport (SFO) offers direct flights to Washington. Here are a few of the airports you can fly to without detours:

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute fares from SFO to IAD are typically more expensive. To lock in the lowest prices, start looking for flights well ahead of time. That being said, if you can play around with your travel dates, you may land a cheap fare just before your departure.
Is it cheaper to book a SFO to IAD flight and hotel package?
Opting for a SFO to IAD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD)?
It's usually possible to reschedule or cancel your SFO to IAD flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$130
Distance
2413 mi
Average flight time
8 hours 43 mins

Book with confidence

San Francisco to Washington Flights

The cheapest times to fly from San Francisco to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Washington are during the month of January. You can find some of the cheapest flights from San Francisco to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Washington

Sunday is one of the best days to book for cheap flights from San Francisco to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $65 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Francisco to Washington Flights

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*Available to One Key members.