Cheap flights from San Francisco to Washington, D.C. from $139
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Washington, D.C. departing on 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from San Francisco to Washington, D.C. Dulles Intl Airport
Our best Frontier deals on San Francisco to Washington, D.C. Dulles Intl Airport flight tickets
Hawaiian Airlines flights from San Francisco to Washington, D.C. Dulles Intl Airport
Our best Hawaiian Airlines deals on San Francisco to Washington, D.C. Dulles Intl Airport flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from San Francisco to Washington, D.C. Dulles Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?
In general, September is the cheapest month to fly from San Francisco to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $397. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $407.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $497. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Washington, D.C. Dulles Intl Airport for around $649.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Flying to Washington, D.C. Dulles Intl Airport from San Francisco in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $485 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $563 on average. Flights to Washington, D.C. Dulles Intl Airport from San Francisco in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest San Francisco to Washington, D.C. Dulles Intl flight route?
Fly from San Francisco to Washington, D.C. Dulles Intl for the best San Francisco - Washington, D.C. Dulles Intl flight prices
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?
You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from San Francisco when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $456 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from San Francisco for as low as $385 on momondo.
What cabin class options are available on San Francisco to Washington, D.C. Dulles Intl flights?
There are 4 cabin classes available to choose from on San Francisco to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on San Francisco to Washington, D.C. Dulles Intl Airport flights?
No. A direct flight is the cheapest option for a flight between San Francisco to Washington, D.C. Dulles Intl Airport.
How have San Francisco to Washington, D.C. Dulles Intl Airport flight prices changed over time?
As of June 2025, prices for San Francisco to Washington, D.C. Dulles Intl Airport flights are approximately 20% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from San Francisco to Washington, D.C. Dulles Intl?
Frontier, Sun Country Air, and Delta are the most popular carriers operating from San Francisco to Washington, D.C. Dulles Intl
What airlines fly to Washington, D.C. Dulles Intl Airport?
United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from San Francisco according to our data. United Airlines is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 9 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Francisco to Washington, D.C. Dulles Intl Airport on average per day?
As of June 2025, there are 29 flights per day flying from San Francisco to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 9:00PM, with 42% of flights taking off in the evening.
How many flights depart from San Francisco to Washington, D.C. Dulles Intl Airport on average per week?
As of June 2025, 203 flights take off from San Francisco and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Wed, with 23% of weekly flights taking off on this day.
When to book flights from San Francisco to Washington, D.C. Dulles Intl Airport
Cheap San Francisco to Washington, D.C. Dulles Intl Airport (SFO to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Washington, D.C. Dulles Intl Airport
How far is San Francisco to Washington, D.C. Dulles Intl by plane?
The straight-line distance from San Francisco to Washington, D.C. Dulles Intl is 2410.3 mi. Flights usually cover this in 5h 07m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from San Francisco Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from San Francisco Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to Washington, D.C. Dulles Intl Airport?
As of June 2025, there are 9 operators available to choose from for flights from San Francisco Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from San Francisco Airport to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Francisco to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Francisco to Washington, D.C. Dulles Intl Airport is Boeing 737 MAX 9 (26.72% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (16.63%), Boeing 737 (12.05%), and Boeing 757-300 (10.64%).
What is the most popular airline from San Francisco to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between San Francisco and Washington, D.C. Dulles Intl Airport, the leading airline is United Airlines, making up 63% of the total bookings. Other popular airlines include Alaska Airlines with 24%, Hawaiian Airlines with 4%, and Frontier with 3%.
Best airlines flying from San Francisco to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from San Francisco to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $48 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $126 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $208 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $218 | Free Cancellation | Rating 6.9 345 reviews | |||
| PriceFrom $237 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $250 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $286 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $297 | Free Cancellation | Rating 7.4 8,790 reviews |
Alaska Airlines Flights From San Francisco to Washington, D.C. Dulles Intl Airport
Alaska Airlines flight deals from San Francisco to Washington, D.C. Dulles Intl Airport start from $250 round-trip. Over the 2 Alaska Airlines flights for this route in a normal week, average airfare is usually $407 round-trip - but some users have found much cheaper deals with momondo.
Hawaiian Airlines Flights From San Francisco to Washington, D.C. Dulles Intl Airport
The best Hawaiian Airlines deal for San Francisco to Washington, D.C. Dulles Intl Airport flight tickets found on momondo in the last 72 hours was $237, round-trip. It should be noted that an average Hawaiian Airlines flight deal for this route in this time was higher, at $397 round-trip. Hawaiian Airlines operates 8 flights out of San Francisco into Washington, D.C. Dulles Intl Airport in an average week, so prices vary by time and availability. 2,494 Hawaiian Airlines reviews by users on momondo have scored the airline at 7.8/10.
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Why should I use momondo to find a flight deal from San Francisco to Washington, D.C.?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to Washington, D.C. for you.
Can I find flights from San Francisco to Washington, D.C. with flexible booking policies on momondo?
All flight searches from San Francisco to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from San Francisco to Washington, D.C.?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from San Francisco.
I’m not ready to book a flight from San Francisco to Washington, D.C. right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Washington, D.C. from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.