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Dulles Intl

$119+ Cheap flights from San Francisco Bay Area 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IAD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from San Francisco Bay Area to Dulles Intl

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

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1810:58 pm
SFO
-
IAD
1 stop8h 35m
Frontier
Mon 2/237:05 pm
IAD
-
SFO
2 stops29h 56m
Frontier
Deal found 1/26$230
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:09 pm
SFO
-
IAD
1 stop8h 35m
Frontier
Sat 2/2810:29 am
IAD
-
SFO
1 stop14h 52m
Frontier
Deal found 1/27$232
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2710:34 pm
SFO
-
IAD
1 stop8h 00m
Frontier
Mon 3/96:20 am
IAD
-
SFO
1 stop15h 54m
Frontier
Deal found 1/27$234
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:09 pm
SFO
-
IAD
1 stop8h 35m
Frontier
Mon 2/2311:41 am
IAD
-
SFO
1 stop12h 58m
Frontier
Deal found 1/27$235
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1411:00 pm
SFO
-
IAD
1 stop8h 15m
Frontier
Sun 3/111:15 am
IAD
-
SFO
1 stop13h 24m
Frontier
Deal found 1/27$236
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 2/256:15 am
OAK
-
IAD
1 stop8h 05m
Alaska Airlines
Wed 3/47:05 am
IAD
-
OAK
1 stop12h 32m
Alaska Airlines
Deal found 1/28$237
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.
Sat 2/289:20 pm
SFO
-
IAD
Nonstop5h 07m
United Airlines
Sun 3/810:10 pm
IAD
-
SFO
Nonstop6h 18m
United Airlines
Deal found 1/28$237
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:00 am
SFO
-
IAD
1 stop7h 34m
American Airlines
Sat 2/285:37 pm
IAD
-
SFO
1 stop8h 33m
American Airlines
Deal found 1/28$238
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.
Sat 2/286:53 pm
SFO
-
IAD
2 stops12h 37m
Frontier
Sun 3/86:25 am
IAD
-
SFO
1 stop15h 49m
Frontier
Deal found 1/28$239
This Frontier deal was found by Cheapflights users on 1/29. 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 2/2610:46 pm
SFO
-
IAD
1 stop14h 38m
Frontier
Thu 3/511:22 am
IAD
-
SFO
1 stop13h 17m
Frontier
Deal found 1/29$240
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:15 pm
SFO
-
IAD
2 stops12h 18m
Multiple Airlines
Wed 3/46:20 pm
IAD
-
SFO
1 stop8h 39m
Multiple Airlines
Deal found 1/26$241
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 2/256:05 am
SFO
-
IAD
1 stop6h 45m
Southwest
Wed 3/49:05 am
IAD
-
SFO
2 stops15h 10m
Southwest
Deal found 1/28$242

Find flight deals from San Francisco Bay Area to Dulles Intl

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$230
(Kiwi.com)

One-way from

$119
(CheapOair)

Popular in

December

Cheapest in

February

Average price

$424
Provider with most accurate pricing for San Francisco-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Washington, D.C. (WAS) flights.
Search Deals
From San Francisco Bay Area to Washington, D.C. Dulles Intl
Search Deals
One-way flight from San Francisco Bay Area to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 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 San Francisco Bay Area to Dulles Intl 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 San Francisco Bay Area to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

San Francisco Bay Area

Fly to

Dulles Intl

Route

Depart

Return

Price

OaklandWashington, D.C.

OAK - IAD

OAKIAD

Oakland

Wed 2/25

6:15 am-5:20 pm

1 stop8h 05m

Washington, D.C. Dulles Intl

Wed 3/4

7:05 am-4:37 pm

1 stop12h 32m

$237

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 2/25

6:05 am-3:50 pm

1 stop6h 45m

Washington, D.C. Dulles Intl

Wed 2/25

5:30 pm-10:20 pm

1 stop7h 50m

$237

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sun 3/1

9:20 pm-5:27 am

Nonstop5h 07m

Washington, D.C. Dulles Intl

Tue 3/10

2:36 pm-5:49 pm

Nonstop6h 13m

$237

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 3/3

11:20 pm-7:31 am

Nonstop5h 11m

Washington, D.C. Dulles Intl

Sun 3/8

10:10 pm-1:28 am

Nonstop6h 18m

$237

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 2/25

7:40 am-9:55 pm

2 stops11h 15m

Washington, D.C. Dulles Intl

Wed 3/4

9:05 am-4:55 pm

2 stops10h 50m

$247

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 2/21

12:20 pm-9:45 pm

1 stop6h 25m

Washington, D.C. Dulles Intl

Wed 2/25

4:30 pm-9:55 pm

1 stop8h 25m

$251

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 3/17

1:25 pm-12:27 am

1 stop8h 02m

Washington, D.C. Dulles Intl

Wed 3/18

7:00 am-2:57 pm

1 stop10h 57m

$257

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Tue 5/5

1:40 pm-12:42 am

1 stop8h 02m

Washington, D.C. Dulles Intl

Tue 5/12

5:25 pm-10:53 pm

1 stop8h 28m

$257

San JoseWashington, D.C.

SJC - IAD

SJCIAD

San Jose

Sat 2/21

1:57 pm-12:21 am

1 stop7h 24m

Washington, D.C. Dulles Intl

Tue 2/24

2:17 pm-8:53 pm

1 stop9h 36m

$257

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Fri 3/6

9:30 pm-5:36 am

Nonstop5h 06m

Washington, D.C. Dulles Intl

Sun 3/8

10:10 pm-1:28 am

Nonstop6h 18m

$257

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 San Francisco Bay Area to Dulles Intl

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

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

Currently, May is the cheapest month in which you can book a flight from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport (average of $118). Flying from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $277). 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 XIH to IAD?

Find hourly flight availability from San Francisco Bay Area 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 January 29, 2026.

When flying from San Francisco Bay Area 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 24% versus a flight at noon.

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

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

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

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

Explore weekly flight availability from San Francisco Bay Area to Dulles Intl. 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 zzXIH to IAD are scheduled on a Monday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated January 29, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Hawaiian Airlines from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,808 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

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

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

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
Southwest
8.0
Very good
4,267 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

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

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

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

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

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

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

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 San Francisco Bay Area to Dulles Intl. 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 San Francisco Bay Area to Washington, D.C. Dulles Intl Airport?

    A quick flight from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport can take about 5h 07m. Alaska Airlines provides one of the quickest options available for as low as $237. San Francisco Bay Area and Washington, D.C. Dulles Intl Airport are separated by a distance of 2412 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 San Francisco Bay Area to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $86. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport for a low price.

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

    The most popular flight routes from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport are San Francisco - Washington, D.C. Dulles Intl, San Jose - Washington, D.C. Dulles Intl and Oakland - Washington, D.C. Dulles Intl.

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

    Before booking your flight to Washington, D.C. Dulles Intl Airport from San Francisco Bay Area, check out the most reliable airlines to get you to your destination on time: Brussels Airlines (92%), Egyptair (90%), United Airlines( 87%).

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

    Looking for the cheapest flight from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport? While on average our users pay $1,200, our data indicates the cheapest price to be $138. The most popular route (San Francisco - Washington, D.C. Dulles Intl), is priced around $193.

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport (average of $118). Flying from San Francisco Bay Area to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $277). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco Bay Area to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Reagan-National flights
Los Angeles to Baltimore flights
Los Angeles to Dulles Intl flights
San Francisco to Reagan-National flights
San Francisco to Dulles Intl flights
San Francisco to Baltimore flights
Ontario to Dulles Intl flights
Ontario to Baltimore flights
San Diego to Dulles Intl flights
Ontario to Reagan-National flights
San Diego to Reagan-National flights
San Diego to Baltimore flights
Las Vegas to Dulles Intl flights
San Jose to Dulles Intl flights
Sacramento to Dulles Intl flights
San Jose to Reagan-National flights
Las Vegas to Reagan-National flights
Oakland to Reagan-National flights
Las Vegas to Baltimore flights
Oakland to Dulles Intl flights
Oakland to Baltimore flights
San Jose to Baltimore flights
Sacramento to Baltimore flights
Santa Ana to Dulles Intl flights
Santa Ana to Reagan-National flights
Santa Ana to Baltimore flights
Sacramento to Reagan-National flights
Burbank to Dulles Intl flights
Burbank to Reagan-National flights
Burbank to Baltimore flights
Fresno to Dulles Intl flights
Fresno to Baltimore flights
Fresno to Reagan-National flights
Palm Springs to Dulles Intl flights
Santa Barbara to Dulles Intl flights
Long Beach to Dulles Intl flights
Palm Springs to Baltimore flights
Long Beach to Baltimore flights
Reno to Dulles Intl flights
San Luis Obispo to Dulles Intl flights
Reno to Reagan-National flights
San Luis Obispo to Baltimore flights
Monterey to Reagan-National flights
Santa Barbara to Baltimore flights
Santa Barbara to Reagan-National flights
Medford to Dulles Intl flights
Palm Springs to Reagan-National flights
Reno to Baltimore flights
Medford to Reagan-National flights
San Luis Obispo to Reagan-National flights

Top 7 airlines flying from San Francisco Bay Area to Dulles Intl

Discover the top 7 airlines that operate flights from San Francisco Bay Area to Dulles Intl. 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$105Average$286FlexibilityNo cancel feeOn-time62%
DeltaCheapest$148Average$373FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$172Average$397FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$216Average$377FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$237Average$397FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$259Average$434FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$276Average$413FlexibilityNo cancel feeOn-time63%

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