How often are flights from Washington, D.C. to San Francisco delayed?

Historically, on average around 17% of flights between Washington, D.C. and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 174 minutes.

Which airline has the best punctuality record on Washington, D.C. to San Francisco flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport to San Francisco?

Denver (DEN) has the shortest average layover time for this route: 2h 43m.

What is the most punctual flight time for Washington, D.C. to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to San Francisco?

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl to San Francisco

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to San Francisco?

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 8h 02m.

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to San Francisco?

Flights via Denver (DEN) offer the lowest average round-trip price of $307.

Which airport is the most popular layover for flights between Washington, D.C. Dulles Intl Airport and San Francisco?

Denver (DEN) was the most common stop: 44% of momondo users choosing 1-stop flights on this route connected there.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

What airlines fly to San Francisco?

United Airlines, Alaska Airlines and Frontier are the top three most popular airlines that fly to San Francisco from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 7 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

What documentation or ID do you need to fly to San Francisco Airport?

The travel and health documents required for your trip to San Francisco 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 San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$146 Cheap Flights from Washington, D.C. Dulles Intl Airport to San Francisco in 2025/26

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6:55 am - 7:23 pmIAD-SFO

15h 28m1 stop

11:33 pm - 4:24 pmSFO-IAD

13h 51m1 stop

$259Frontier

Find Deal

Thu, Nov 27 - Thu, Dec 4

5:35 am - 1:18 pmIAD-SFO

10h 43m1 stop

2:30 pm - 5:04 pmSFO-IAD

23h 34m2 stops

$260Multiple Airlines

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Thu, Jan 8 - Mon, Jan 12

2:06 pm - 10:25 pmIAD-SFO

11h 19m1 stop

11:15 pm - 1:20 pmSFO-IAD

11h 05m2 stops

$262American Airlines

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Sat, Dec 6 - Sat, Dec 13

3:25 pm - 6:34 pmIAD-SFO

6h 09mnonstop

4:49 pm - 12:56 amSFO-IAD

5h 07mnonstop

$263United Airlines

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Wed, Dec 3 - Wed, Dec 10

2:06 pm - 9:40 pmIAD-SFO

10h 34m2 stops

8:20 am - 10:28 pmSFO-IAD

11h 08m2 stops

$267American Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

6:30 am - 9:36 amIAD-SFO

6h 06mnonstop

1:25 pm - 9:25 pmSFO-IAD

5h 00mnonstop

$272United Airlines

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Thu, Nov 27 - Thu, Nov 27

5:26 pm - 10:47 pmIAD-SFO

8h 21m1 stop

7:00 am - 5:04 pmSFO-IAD

7h 04m1 stop

$275Alaska Airlines

Find Deal

Wed, Jan 14 - Mon, Jan 19

7:34 am - 2:03 pmIAD-SFO

9h 29m1 stop

7:00 am - 5:30 pmSFO-IAD

7h 30m1 stop

$276Alaska Airlines

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Wed, Dec 10 - Fri, Dec 12

6:00 am - 10:46 amIAD-SFO

7h 46m1 stop

10:38 am - 11:10 pmSFO-IAD

9h 32m1 stop

$281Delta

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Wed, Dec 17 - Mon, Jan 5

7:05 am - 12:23 pmIAD-SFO

8h 18m1 stop

10:20 am - 11:11 pmSFO-IAD

9h 51m2 stops

$286Delta

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Wed, Feb 11 - Tue, Feb 24

Frontier flights from Washington, D.C. Dulles Intl Airport to San Francisco

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to San Francisco flight tickets

Frontier

Nov 27

IAD6:55 amWashington, D.C. Dulles Intl

15h 28m

1 stop

SFO7:23 pmSan Francisco

Dec 4

SFO11:33 pmSan Francisco

13h 51m

1 stop

IAD4:24 pmWashington, D.C. Dulles Intl

$259

Find similar

Frontier

Jan 15

IAD5:35 amWashington, D.C. Dulles Intl

10h 54m

1 stop

SFO1:29 pmSan Francisco

Jan 22

SFO3:46 pmSan Francisco

15h 08m

2 stops

IAD9:54 amWashington, D.C. Dulles Intl

$264

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Frontier

Jan 13

IAD6:00 amWashington, D.C. Dulles Intl

10h 29m

1 stop

SFO1:29 pmSan Francisco

Jan 16

SFO11:20 pmSan Francisco

9h 25m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$269

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United Airlines flights from Washington, D.C. Dulles Intl Airport to San Francisco

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to San Francisco flight tickets

United Airlines

Dec 3

IAD3:25 pmWashington, D.C. Dulles Intl

6h 09m

SFO6:34 pmSan Francisco

Dec 10

SFO4:49 pmSan Francisco

5h 07m

IAD12:56 amWashington, D.C. Dulles Intl

$263

Find similar

United Airlines

Nov 27

IAD6:30 amWashington, D.C. Dulles Intl

6h 06m

SFO9:36 amSan Francisco

Nov 27

SFO1:25 pmSan Francisco

5h 00m

IAD9:25 pmWashington, D.C. Dulles Intl

$272

Find similar

United Airlines

Dec 4

IAD4:10 pmWashington, D.C. Dulles Intl

6h 10m

SFO7:20 pmSan Francisco

Dec 7

SFO9:20 pmSan Francisco

5h 07m

IAD5:27 amWashington, D.C. Dulles Intl

$277

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momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Francisco that are best for you.

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Route

Depart

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Price

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 11/27

6:55 am-7:23 pm

1 stop15h 28m

San Francisco

Thu 12/4

11:33 pm-4:24 pm

1 stop13h 51m

$259

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 1/8

5:35 am-1:18 pm

1 stop10h 43m

San Francisco

Mon 1/12

2:30 pm-5:04 pm

2 stops23h 34m

$260

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 12/6

2:06 pm-10:25 pm

1 stop11h 19m

San Francisco

Sat 12/13

11:15 pm-1:20 pm

2 stops11h 05m

$262

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 12/3

3:25 pm-6:34 pm

Nonstop6h 09m

San Francisco

Wed 12/10

4:49 pm-12:56 am

Nonstop5h 07m

$263

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 12/6

2:06 pm-9:40 pm

2 stops10h 34m

San Francisco

Sat 12/13

8:20 am-10:28 pm

2 stops11h 08m

$267

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 11/27

6:30 am-9:36 am

Nonstop6h 06m

San Francisco

Thu 11/27

1:25 pm-9:25 pm

Nonstop5h 00m

$272

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 1/14

5:26 pm-10:47 pm

1 stop8h 21m

San Francisco

Mon 1/19

7:00 am-5:04 pm

1 stop7h 04m

$275

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 12/10

7:34 am-2:03 pm

1 stop9h 29m

San Francisco

Fri 12/12

7:00 am-5:30 pm

1 stop7h 30m

$276

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 12/17

6:00 am-10:46 am

1 stop7h 46m

San Francisco

Mon 1/5

10:38 am-11:10 pm

1 stop9h 32m

$281

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 2/11

7:05 am-12:23 pm

1 stop8h 18m

San Francisco

Tue 2/24

10:20 am-11:11 pm

2 stops9h 51m

$286

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to San Francisco

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

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What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of May, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $397.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to San Francisco is on a Thursday when prices can be found for as low as $497. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $704.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $540. Flights in the afternoon are often more expensive with an average ticket price of $618.

What is the cheapest Washington, D.C. Dulles Intl to San Francisco flight route?

Fly from Washington, D.C. Dulles Intl to San Francisco for the best Washington, D.C. Dulles Intl - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $428 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Washington, D.C. Dulles Intl Airport for as low as $376 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to San Francisco flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Washington, D.C. Dulles Intl Airport to San Francisco flight prices changed over time?

As of November 2025, prices for Washington, D.C. Dulles Intl Airport to San Francisco flights are approximately 7% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to San Francisco (IAD to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to San Francisco

Best Price Found	$208
Fastest flight time	5h 55m
Direct flights	Every day
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Washington, D.C. Dulles Intl Airport in the past 72 hours is $208. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to San Francisco found on momondo in the last 72 hours is $387.

The fastest flight from Washington, D.C. Dulles Intl Airport to San Francisco takes 5h 55m

Direct flights go from Washington, D.C. Dulles Intl Airport to San Francisco every day.

There is 1 airport near San Francisco: San Francisco (SFO)

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How far is Washington, D.C. Dulles Intl to San Francisco by plane?
San Francisco is 2410.3 mi away from Washington, D.C. Dulles Intl. A reasonable flight in good conditions will take 6h 06m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to San Francisco Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to San Francisco Airport are updated daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to San Francisco Airport?
There are 7 operators available for flights from Washington, D.C. Dulles Intl Airport to San Francisco Airport as of November 2025.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco 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 San Francisco 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 Washington, D.C. Dulles Intl Airport to San Francisco?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and San Francisco, the leading plane model is Boeing 737 MAX 9, making up 19.62% of the total bookings. Other popular models include Boeing 777 with 16.23%, Boeing 737-800 Passenger/BBJ2 (winglets) with 12.47%, and Boeing 737 MAX 8 with 12.30%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to San Francisco?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to San Francisco is United Airlines (65% of total bookings). The next most popular airlines are Alaska Airlines (16%), Frontier (8%), and Hawaiian Airlines (6%).

Best airlines flying from Washington, D.C. Dulles Intl Airport to San Francisco

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $171	Free Cancellation	Rating 5.8 3,116 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $267	Free Cancellation	Rating 7.8 2,799 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $272	Free Cancellation	Rating 8.0 4,237 reviews	Search Southwest flights
American Airlines	PriceFrom $272	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $275	Free Cancellation	Rating 8.0 11,237 reviews	Search Alaska Airlines flights
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
United Airlines	PriceFrom $277	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights

United Airlines Flights From Washington, D.C. Dulles Intl Airport to San Francisco
The lowest priced United Airlines flight from Washington, D.C. Dulles Intl Airport to San Francisco from the last 72 hours was $277. Generally, United Airlines has 40 flights on this route every week with an average price of $458. United Airlines is rated 7.4/10 by our users.

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Carmel-by-the-Sea

Modesto

Sonoma

Bodega Bay

Roseville

Calistoga

Hayward

Big Sur

Santa Clara

Daly City

Fremont

Berkeley

Vallejo

Walnut Creek

Half Moon Bay

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Pacific Grove

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Washington, D.C..

Can I find flights from Washington, D.C. to San Francisco with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to San Francisco flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to San Francisco?

Once all potential Washington, D.C. to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to San Francisco right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Washington, D.C. and alert you when they change.

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Cheap flights from Washington, D.C. Dulles Intl Airport to San Francisco from $146

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Frontier flights from Washington, D.C. Dulles Intl Airport to San Francisco

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to San Francisco

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 San Francisco?

If you aren’t able to travel to San Francisco during the month of May, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $397.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to San Francisco is on a Thursday when prices can be found for as low as $497. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $704.

What is the cheapest time of day to depart on your flight to San Francisco?

What is the cheapest Washington, D.C. Dulles Intl to San Francisco flight route?

Fly from Washington, D.C. Dulles Intl to San Francisco for the best Washington, D.C. Dulles Intl - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

What cabin class options are available on Washington, D.C. Dulles Intl to San Francisco flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Washington, D.C. Dulles Intl Airport to San Francisco flight prices changed over time?

As of November 2025, prices for Washington, D.C. Dulles Intl Airport to San Francisco flights are approximately 7% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to San Francisco?

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl to San Francisco

What airlines fly to San Francisco?

How often are flights from Washington, D.C. to San Francisco delayed?

Historically, on average around 17% of flights between Washington, D.C. and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 174 minutes.

What is the most punctual flight time for Washington, D.C. to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to San Francisco flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

Which airport is the most popular layover for flights between Washington, D.C. Dulles Intl Airport and San Francisco?

Denver (DEN) was the most common stop: 44% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to San Francisco?

Flights via Denver (DEN) offer the lowest average round-trip price of $307.

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to San Francisco?

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 8h 02m.

Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport to San Francisco?

Denver (DEN) has the shortest average layover time for this route: 2h 43m.

How many flights depart from Washington, D.C. Dulles Intl Airport to San Francisco on average per day?

As of November 2025, 24 flights take off from Washington, D.C. Dulles Intl Airport and land in San Francisco each day. The most common flight departure time for this route is 6:00PM, with 38% of daily flights taking off in the afternoon.

How many flights depart from Washington, D.C. Dulles Intl Airport to San Francisco on average per week?

As of November 2025, there are 170 flights per week flying from Washington, D.C. Dulles Intl Airport to San Francisco. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

When to book flights from Washington, D.C. Dulles Intl Airport to San Francisco

Cheap Washington, D.C. Dulles Intl Airport to San Francisco (IAD to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to San Francisco

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Fastest flight time

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Airports in San Francisco

How far is Washington, D.C. Dulles Intl to San Francisco by plane?

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to San Francisco Airport?

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to San Francisco Airport?

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to San Francisco Airport?

What documentation or ID do you need to fly to San Francisco Airport?

What is the most popular plane model from Washington, D.C. Dulles Intl Airport to San Francisco?

What is the most popular airline from Washington, D.C. Dulles Intl Airport to San Francisco?

Best airlines flying from Washington, D.C. Dulles Intl Airport to San Francisco

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to San Francisco with momondo

United Airlines Flights From Washington, D.C. Dulles Intl Airport to San Francisco

Traveling to a place near San Francisco?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to San Francisco?

Can I find flights from Washington, D.C. to San Francisco with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to San Francisco?