What are the cheapest airlines flying from San Francisco to Washington, D.C. Dulles Intl Airport round-trip?

Frontier, at $294, was found to be the cheapest airline from San Francisco to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Alaska Airlines and Hawaiian Airlines. You may be able to fly from San Francisco to Washington, D.C. Dulles Intl Airport for 35% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from San Francisco to Washington, D.C. Dulles Intl Airport one-way?

The cheapest airlines for a one-way flight from San Francisco to Washington, D.C. Dulles Intl Airport are Frontier ($143), Hawaiian Airlines ($144), and Alaska Airlines ($148).

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the cheapest flights from San Francisco to Washington, D.C. Dulles Intl Airport?

The cheapest flight price from San Francisco to Washington, D.C. Dulles Intl Airport is $178. On average you can expect to pay $1,042. The most popular route, (San Francisco - Washington, D.C. Dulles Intl), can usually be booked for $253.

What are the most reliable airlines from San Francisco to Washington, D.C. Dulles Intl Airport?

No one likes to see their flight delayed. When booking a flight from San Francisco to Washington, D.C. Dulles Intl Airport consider choosing Egyptair (80%), Asiana Airlines (80%) or Air China (80%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from San Francisco to Washington, D.C. Dulles Intl Airport?

American Airlines, Alaska Airlines and Delta are the most popular airlines when flying from San Francisco to Washington, D.C. Dulles Intl Airport.

What is the cheapest day to fly round-trip from San Francisco to Washington, D.C. Dulles Intl Airport?

Travelers have found that booking a Tuesday departure is the best way to save up to 28% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from San Francisco to Washington, D.C. Dulles Intl Airport?

February is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from San Francisco. Prices for February average $432 per person but you can even find prices for as low as $157. The most expensive prices can be found in the month of December. Opting for a February flight can save you 17% on your journey compared to booking in December

What airport do you fly from for flights from San Francisco to Washington, D.C. Dulles Intl?

Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Washington, D.C. Dulles Intl. On average, San Francisco has 29 outbound flights to Washington, D.C. Dulles Intl per day from 9 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

Can I find deals for flights from San Francisco to Dulles Intl that include hotel bookings?

Yes. In addition to deals on San Francisco to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Francisco to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Dulles Intl.

Can I find deals for business class flights from San Francisco to Dulles Intl?

Yes. Cheapflights offers flight deals from San Francisco to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$143+ Flights from San Francisco to Washington, D.C. Dulles Intl Airport

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Cheapflights Tip: The best prices from San Francisco to Washington, D.C. Dulles Intl are usually found in September or May, booked 61 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from San Francisco to Dulles Intl

Round-trip from	$294 (Kiwi.com)
One-way from	$143 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$457
Good round-trip deal	$427 or less
Good one-way deal	$228 or less

From San Francisco to Washington, D.C. Dulles Intl

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One-way flight from San Francisco to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 12% potential increase in price ($62 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from San Francisco to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from San Francisco to Washington, D.C. Dulles Intl.

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Find flight deals from San Francisco to Dulles Intl

Cheapest flights from San Francisco to Dulles Intl
Explore the most affordable flight options available from San Francisco to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Sun 7/206:52 pmSFO - IAD

1 stop8h 42mFrontier

Thu 7/317:30 amIAD - SFO

1 stop10h 21mFrontier

Deal found 7/2

$294

Wed 8/1310:29 pmSFO - IAD

1 stop12h 20mMultiple Airlines

Tue 8/197:59 pmIAD - SFO

Nonstop5h 47mMultiple Airlines

Deal found 6/30

$295

Tue 8/1211:10 amSFO - IAD

Nonstop5h 09mAlaska Airlines

Sun 8/178:10 amIAD - SFO

Nonstop5h 45mAlaska Airlines

Deal found 7/3

$296

Wed 8/1311:59 pmSFO - IAD

1 stop8h 45mDelta

Sat 8/166:15 pmIAD - SFO

1 stop8h 05mDelta

Deal found 7/1

$297

Thu 8/146:00 amSFO - IAD

1 stop7h 25mHawaiian Airlines

Sat 8/167:59 pmIAD - SFO

Nonstop5h 47mHawaiian Airlines

Deal found 7/1

$302

Thu 8/1411:59 pmSFO - IAD

1 stop8h 56mSun Country Air

Sun 8/1712:40 pmIAD - SFO

1 stop13h 16mSun Country Air

Deal found 7/2

$309

Thu 8/146:00 amSFO - IAD

2 stops9h 15mSouthwest

Sat 8/163:50 pmIAD - SFO

1 stop8h 35mSouthwest

Deal found 7/2

$312

Fri 8/1511:50 pmSFO - IAD

1 stop8h 11mAmerican Airlines

Fri 8/2211:51 amIAD - SFO

2 stops10h 03mAmerican Airlines

Deal found 7/1

$343

Best flights from San Francisco to Dulles Intl
Discover carefully curated flight deals from San Francisco to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sun 7/206:52 pmSFO - IAD

1 stop8h 42mFrontier

Thu 7/317:30 amIAD - SFO

1 stop10h 21mFrontier

Deal found 7/2

$294

Tue 8/1211:10 amSFO - IAD

Nonstop5h 09mAlaska Airlines

Mon 8/188:10 amIAD - SFO

Nonstop5h 45mAlaska Airlines

Deal found 7/3

$296

Wed 8/1311:10 amSFO - IAD

Nonstop5h 09mHawaiian Airlines

Sun 8/178:10 amIAD - SFO

Nonstop5h 45mHawaiian Airlines

Deal found 7/3

$297

Wed 8/136:00 amSFO - IAD

1 stop9h 09mDelta

Mon 8/186:50 pmIAD - SFO

1 stop8h 07mDelta

Deal found 7/3

$306

Thu 8/1411:59 pmSFO - IAD

1 stop8h 56mSun Country Air

Sun 8/1712:40 pmIAD - SFO

1 stop13h 16mSun Country Air

Deal found 7/2

$309

Thu 8/146:00 amSFO - IAD

2 stops9h 15mSouthwest

Sat 8/165:05 pmIAD - SFO

1 stop7h 30mSouthwest

Deal found 7/3

$312

Wed 9/36:20 pmSFO - IAD

1 stop10h 13mMultiple Airlines

Sun 9/71:41 pmIAD - SFO

1 stop10h 40mMultiple Airlines

Deal found 7/2

$314

Fri 8/1511:50 pmSFO - IAD

1 stop8h 11mAmerican Airlines

Fri 8/2211:51 amIAD - SFO

2 stops10h 03mAmerican Airlines

Deal found 7/1

$343

Last-minute flights from San Francisco to Dulles Intl
Discover last-minute flight deals from San Francisco to Dulles Intl. Data last updated July 3, 2025 and is based on user searches.

Tue 7/81:09 pmSFO - IAD

1 stop14h 25mFrontier

Tue 7/157:30 amIAD - SFO

1 stop16h 51mFrontier

Deal found 7/2

$295

Sun 7/1311:59 pmSFO - IAD

1 stop8h 44mMultiple Airlines

Tue 7/157:30 amIAD - SFO

1 stop7h 45mMultiple Airlines

Deal found 7/3

$338

Sun 7/206:52 pmSFO - IAD

1 stop8h 42mFrontier

Thu 7/317:30 amIAD - SFO

1 stop10h 21mFrontier

Deal found 7/2

$294

Mon 8/114:31 pmSFO - IAD

1 stop11h 03mMultiple Airlines

Wed 8/138:10 amIAD - SFO

Nonstop5h 45mMultiple Airlines

Deal found 6/30

$319

Tue 8/1211:10 amSFO - IAD

Nonstop5h 09mAlaska Airlines

Sun 8/178:10 amIAD - SFO

Nonstop5h 45mAlaska Airlines

Deal found 7/3

$296

Wed 8/1311:10 amSFO - IAD

Nonstop5h 09mHawaiian Airlines

Sun 8/177:59 pmIAD - SFO

Nonstop5h 47mHawaiian Airlines

Deal found 7/3

$297

Wed 8/136:00 amSFO - IAD

1 stop9h 09mDelta

Mon 8/186:50 pmIAD - SFO

1 stop8h 07mDelta

Deal found 7/3

$306

Thu 8/1411:59 pmSFO - IAD

1 stop8h 56mSun Country Air

Sun 8/1712:40 pmIAD - SFO

1 stop13h 16mSun Country Air

Deal found 7/2

$309

Thu 8/146:00 amSFO - IAD

2 stops9h 15mSouthwest

Sat 8/165:05 pmIAD - SFO

1 stop7h 30mSouthwest

Deal found 7/3

$312

Fri 8/1511:50 pmSFO - IAD

1 stop8h 11mAmerican Airlines

Fri 8/2211:51 amIAD - SFO

2 stops10h 03mAmerican Airlines

Deal found 7/1

$343

One-way flights from San Francisco to Dulles Intl
Search for one-way flight options from San Francisco to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Tue 7/157:00 amSFO - IAD

1 stop20h 34mFrontier

Deal found 7/2

$143

Sat 8/306:00 amSFO - IAD

1 stop7h 47mHawaiian Airlines

Deal found 7/3

$144

Tue 9/27:55 pmSFO - IAD

1 stop8h 38mAlaska Airlines

Deal found 7/2

$148

Tue 9/3012:45 amSFO - IAD

1 stop7h 33mDelta

Deal found 7/2

$149

Tue 7/296:05 pmSFO - IAD

1 stop14h 38mSun Country Air

Deal found 7/2

$150

Wed 9/107:50 amSFO - IAD

2 stops11h 15mSouthwest

Deal found 7/2

$154

Sat 9/275:45 amSFO - IAD

2 stops10h 02mAmerican Airlines

Deal found 7/1

$174

Sun 8/1711:05 pmSFO - IAD

Nonstop5h 14mUnited Airlines

Deal found 7/2

$179

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sun 7/20

6:52 pm-6:34 am

1 stop8h 42m

Washington, D.C. Dulles Intl

Thu 7/31

7:30 am-2:51 pm

1 stop10h 21m

$294

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 8/12

11:10 am-7:19 pm

Nonstop5h 09m

Washington, D.C. Dulles Intl

Sun 8/17

8:10 am-10:55 am

Nonstop5h 45m

$296

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 8/13

11:10 am-7:19 pm

Nonstop5h 09m

Washington, D.C. Dulles Intl

Sun 8/17

8:10 am-10:55 am

Nonstop5h 45m

$297

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 8/12

10:43 pm-6:50 am

Nonstop5h 07m

Washington, D.C. Dulles Intl

Fri 8/15

7:30 am-12:15 pm

1 stop7h 45m

$299

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 8/13

6:00 am-6:09 pm

1 stop9h 09m

Washington, D.C. Dulles Intl

Mon 8/18

6:50 pm-11:57 pm

1 stop8h 07m

$306

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Thu 8/14

11:59 pm-11:55 am

1 stop8h 56m

Washington, D.C. Dulles Intl

Sun 8/17

12:40 pm-10:56 pm

1 stop13h 16m

$309

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Thu 8/14

6:00 am-6:15 pm

2 stops9h 15m

Washington, D.C. Dulles Intl

Sat 8/16

3:50 pm-9:25 pm

1 stop8h 35m

$312

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Fri 8/15

11:50 pm-11:01 am

1 stop8h 11m

Washington, D.C. Dulles Intl

Fri 8/22

11:51 am-6:54 pm

2 stops10h 03m

$343

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 7/15

7:00 am-6:34 am

1 stop20h 34m

$143

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 8/30

6:00 am-4:47 pm

1 stop7h 47m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 16 results

The best insider tips for San Francisco to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Washington, D.C. Dulles Intl Airport trip

Airlines

United Airlines

United's Economy Plus offers extra legroom, enhancing comfort on domestic routes.

United's Polaris Lounges offer exclusive amenities like showers and daybeds for premium passengers.

Read more about United Airlinesby Harriet Baskas

Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, enhancing comfort on medium-haul flights.

Alaska's Wi-Fi is a flat fee, ideal for business travelers needing connectivity during flights.

Read more about Alaska Airlinesby Robert Schrader

Airports

SFO

For a quick departure, use SFO's AirTrain Red Line to navigate between terminals efficiently, avoiding long walks post-security.

IAD

Use the Silver Line Metro for a cost-effective trip from IAD to downtown Washington, D.C. in under 40 minutes.

Our travel experts

Harriet Baskas

Expert on United Airlines and SFO

Robert Schrader

Expert on Alaska Airlines

Ramsey Qubein

Expert on IAD

Best time to book a flight from San Francisco to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Francisco with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from San Francisco to Washington, D.C. Dulles Intl Airport?

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from San Francisco to Washington, D.C. Dulles Intl Airport (average of $309). Flying from San Francisco to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to IAD?

When flying from San Francisco to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 13% versus a flight in the evening.

What is the cheapest day to fly from San Francisco to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their San Francisco to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Washington, D.C. Dulles Intl Airport

The most flights from SFO to IAD are scheduled on a Thursday (44 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (16 on average).

Reviews of airlines servicing Dulles Intl

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from San Francisco to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,266 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,982 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.8

Good

2,545 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,861 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What airport do you fly from for flights from San Francisco to Washington, D.C. Dulles Intl?
Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Washington, D.C. Dulles Intl. On average, San Francisco has 29 outbound flights to Washington, D.C. Dulles Intl per day from 9 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.
What are the cheapest airlines flying from San Francisco to Washington, D.C. Dulles Intl Airport round-trip?
Frontier, at $294, was found to be the cheapest airline from San Francisco to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Alaska Airlines and Hawaiian Airlines. You may be able to fly from San Francisco to Washington, D.C. Dulles Intl Airport for 35% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from San Francisco to Washington, D.C. Dulles Intl Airport one-way?
The cheapest airlines for a one-way flight from San Francisco to Washington, D.C. Dulles Intl Airport are Frontier ($143), Hawaiian Airlines ($144), and Alaska Airlines ($148).
What are the most reliable airlines from San Francisco to Washington, D.C. Dulles Intl Airport?
No one likes to see their flight delayed. When booking a flight from San Francisco to Washington, D.C. Dulles Intl Airport consider choosing Egyptair (80%), Asiana Airlines (80%) or Air China (80%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from San Francisco to Washington, D.C. Dulles Intl Airport?
The cheapest flight price from San Francisco to Washington, D.C. Dulles Intl Airport is $178. On average you can expect to pay $1,042. The most popular route, (San Francisco - Washington, D.C. Dulles Intl), can usually be booked for $253.
Can I find deals for flights from San Francisco to Dulles Intl that include hotel bookings?
Yes. In addition to deals on San Francisco to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Francisco to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Dulles Intl.
Can I find deals for business class flights from San Francisco to Dulles Intl?
Yes. Cheapflights offers flight deals from San Francisco to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Francisco to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from San Francisco to Washington, D.C. Dulles Intl Airport (average of $309). Flying from San Francisco to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Manassas

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Top 9 airlines flying from San Francisco to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$48	Average$108	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$126	Average$242	FlexibilityNo cancel fee	On-time62%
Sun Country Air	Cheapest$154	Average$345	FlexibilityNo cancel fee	On-time83%
Delta	Cheapest$208	Average$390	FlexibilityNo cancel fee	On-timeN/A
Hawaiian Airlines	Cheapest$247	Average$397	FlexibilityNo cancel fee	On-time85%
Alaska Airlines	Cheapest$252	Average$405	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$256	Average$457	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$286	Average$456	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$297	Average$501	FlexibilityNo cancel fee	On-time69%

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$143+ Cheap flights from San Francisco (SFO) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Francisco to Washington, D.C. Dulles Intl are usually found in September or May, booked 61 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from San Francisco to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from San Francisco to Dulles Intl

Cheapest flights from San Francisco to Dulles IntlExplore the most affordable flight options available from San Francisco to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from San Francisco to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

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

The best insider tips for San Francisco to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Washington, D.C. Dulles Intl Airport trip

Airlines

United Airlines

Alaska Airlines

Airports

SFO

IAD

Our travel experts

Best time to book a flight from San Francisco to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Francisco with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from San Francisco to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Dulles Intl. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from San Francisco to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to fly from SFO to IAD?

Find hourly flight availability from San Francisco to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

What is the cheapest day to fly from San Francisco to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Dulles Intl. Price data was last updated on June 29, 2025.

Weekly flight availability from San Francisco to Washington, D.C. Dulles Intl Airport

Reviews of airlines servicing Dulles Intl

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from San Francisco to Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from San Francisco to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from San Francisco to Washington, D.C. Dulles Intl Airport one-way?

What are the most reliable airlines from San Francisco to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from San Francisco to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from San Francisco to Dulles Intl that include hotel bookings?

How can I find direct flights from San Francisco to Dulles Intl?

Can I find deals for business class flights from San Francisco to Dulles Intl?

What is the cheapest month to book a flight from San Francisco to Washington, D.C. Dulles Intl Airport?

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Top 9 airlines flying from San Francisco to Dulles Intl

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Cheapest flights from San Francisco to Dulles Intl
Explore the most affordable flight options available from San Francisco to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.