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San Francisco Bay Area

$116+ Cheap flights from Dulles Intl (IAD) to San Francisco Bay Area

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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SFO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Dulles Intl to San Francisco Bay Area

Cheapest flights from Dulles Intl to San Francisco Bay Area
Explore the most affordable flight options available from Dulles Intl to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Southwest deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/184:30 pm
IAD
-
OAK
1 stop8h 15m
Southwest
Tue 2/249:40 am
OAK
-
IAD
1 stop9h 15m
Southwest
Deal found 1/28$237
This Southwest deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:05 am
IAD
-
SJC
1 stop8h 40m
Southwest
Wed 3/412:10 pm
SJC
-
IAD
1 stop6h 45m
Southwest
Deal found 1/28$251
This Southwest deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:30 pm
IAD
-
SJC
1 stop7h 40m
Southwest
Tue 3/101:45 pm
SJC
-
IAD
1 stop6h 55m
Southwest
Deal found 1/27$254
This Frontier deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1211:44 am
IAD
-
SFO
1 stop12h 55m
Frontier
Sat 2/2111:00 pm
SFO
-
IAD
1 stop8h 15m
Frontier
Deal found 1/26$255
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:15 am
IAD
-
SFO
Nonstop6h 15m
United Airlines
Wed 3/254:55 pm
SFO
-
IAD
Nonstop5h 08m
United Airlines
Deal found 1/26$256
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/182:17 pm
IAD
-
SJC
1 stop9h 36m
Delta
Wed 3/410:35 pm
SJC
-
IAD
1 stop7h 38m
Delta
Deal found 1/26$257
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:10 pm
IAD
-
SFO
Nonstop6h 18m
United Airlines
Thu 3/54:55 pm
SFO
-
IAD
Nonstop5h 08m
United Airlines
Deal found 1/28$257
This CheapOair deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:05 am
IAD
-
OAK
1 stop12h 32m
Alaska Airlines
Wed 3/46:15 am
OAK
-
IAD
1 stop8h 05m
Alaska Airlines
Deal found 1/28$257
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:20 am
IAD
-
SFO
1 stop15h 54m
Frontier
Wed 4/155:49 pm
SFO
-
IAD
2 stops12h 07m
Frontier
Deal found 1/28$259
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1511:43 am
IAD
-
SFO
1 stop12h 56m
Frontier
Fri 2/2010:34 pm
SFO
-
IAD
1 stop8h 00m
Frontier
Deal found 1/27$261
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/182:17 pm
IAD
-
SJC
1 stop9h 36m
Delta
Tue 3/39:15 am
SJC
-
IAD
2 stops12h 06m
Delta
Deal found 1/26$262
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/183:11 pm
IAD
-
SFO
1 stop10h 09m
American Airlines
Mon 3/26:00 am
SFO
-
IAD
2 stops11h 30m
American Airlines
Deal found 1/26$262

Find flight deals from Dulles Intl to San Francisco Bay Area

Keep the following information in mind while searching for Dulles Intl to San Francisco Bay Area flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Southwest)

One-way from

$116
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$423
Provider with most accurate pricing for Washington, D.C. (WAS)-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Francisco flights.
Search Deals
From Washington, D.C. Dulles Intl to San Francisco Bay Area
Search Deals
One-way flight from Washington, D.C. Dulles Intl to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to San Francisco Bay Area that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area that are best for you.

Fly from

Dulles Intl

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Wed 2/18

2:17 pm-8:53 pm

1 stop9h 36m

San Jose

Wed 3/4

10:35 pm-9:13 am

1 stop7h 38m

$257

Washington, D.C.Oakland

IAD - OAK

IADOAK

Washington, D.C. Dulles Intl

Sat 2/28

4:30 pm-9:45 pm

1 stop8h 15m

Oakland

Fri 3/6

2:50 pm-12:15 am

1 stop6h 25m

$257

Washington, D.C.Oakland

IAD - OAK

IADOAK

Washington, D.C. Dulles Intl

Wed 2/25

7:05 am-4:37 pm

1 stop12h 32m

Oakland

Wed 3/4

6:15 am-5:20 pm

1 stop8h 05m

$257

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 2/18

7:30 am-1:48 pm

1 stop9h 18m

San Francisco

Tue 3/3

5:45 am-4:28 pm

1 stop7h 43m

$257

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 3/11

7:00 am-2:04 pm

1 stop10h 04m

San Francisco

Tue 3/17

5:50 am-4:52 pm

1 stop8h 02m

$257

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Tue 3/24

6:01 am-12:08 pm

1 stop9h 07m

San Jose

Wed 4/1

6:25 pm-9:10 am

2 stops11h 45m

$262

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Wed 2/18

10:08 am-8:19 pm

2 stops13h 11m

San Jose

Sat 2/28

6:20 am-6:54 pm

1 stop9h 34m

$262

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 3/11

12:47 pm-8:33 pm

1 stop10h 46m

San Francisco

Mon 3/16

10:40 pm-11:32 am

1 stop9h 52m

$267

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Tue 3/24

6:01 am-2:39 pm

2 stops11h 38m

San Jose

Tue 3/31

8:35 pm-9:10 am

2 stops9h 35m

$268

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Tue 3/3

5:13 pm-11:59 pm

2 stops9h 46m

San Jose

Tue 3/10

10:50 pm-11:32 am

2 stops9h 42m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 60 results
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Best time to book a flight from Dulles Intl to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to San Francisco Bay Area

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area (average of $188). Flying from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area in June is currently the most expensive (average of $272). 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 IAD to XIH?

Find hourly flight availability from Dulles Intl to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 31% on flights from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area by exploring options for tickets at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to San Francisco Bay Area. Price data was last updated on January 24, 2026.

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

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

Explore weekly flight availability from Dulles Intl to San Francisco Bay Area. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from IAD to zzXIH are scheduled on a Monday (28 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (21 on average).

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco Bay Area. Reviews last updated January 29, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area, such as Alaska Airlines, Delta, and Hawaiian Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,808 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,808 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,127 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,215 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,056 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

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

  • How long is the flight from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area?

    Airlines like Southwest, Delta, and Alaska Airlines fly from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area in about 8h 15m. The time it takes to get you to your destination can typically vary by up to 4h 17m. Washington, D.C. Dulles Intl Airport and San Francisco Bay Area are separated by a distance of 2402 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $50. Southwest flights start at $92 while deals on Alaska Airlines start at $108 one-way.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area?

    When deciding which route to take from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area consider Washington, D.C. Dulles Intl - San Francisco, Washington, D.C. Dulles Intl - San Jose or Washington, D.C. Dulles Intl - Oakland as they are the most popular.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area on time: Egyptair (83%), United Airlines (80%), Austrian Airlines (80%).

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area is $148. On average you can expect to pay $1,538. The most popular route, (Washington, D.C. Dulles Intl - San Francisco), can usually be booked for $217.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to San Francisco Bay Area 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 Washington, D.C. Dulles Intl Airport to San Francisco Bay Area?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area (average of $188). Flying from Washington, D.C. Dulles Intl Airport to San Francisco Bay Area in June is currently the most expensive (average of $272). 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.

See more FAQs

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Alternative routes for Dulles Intl to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Dulles Intl to San Francisco Bay Area

Discover the top 7 airlines that operate flights from Dulles Intl to San Francisco Bay Area. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$137Average$267FlexibilityNo cancel feeOn-time62%
DeltaCheapest$148Average$359FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$184Average$445FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$224Average$442FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$237Average$397FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$244Average$459FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$259Average$469FlexibilityNo cancel feeOn-time69%

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