A modern airport control tower with a spherical top and a curved, white-roofed building in the foreground.

Flights from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD)
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United States of America
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Popular airlines from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD)

Alaska Airlines
Frontier Airlines
American Airlines
United
Delta
Sun Country Airlines

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Cheap Flights from San Francisco to Washington (SFO-IAD)

Prices were available within the past 7 days and start at NT$7,579 for one-way flights and NT$23,324 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Thu, Nov 26 - Sun, Nov 29

SFO

San Francisco

IAD

Washington

NT$23,324

Roundtrip

Found 3 days ago

Select Delta flight, departing Thu, Nov 26 from San Francisco to Washington, returning Sun, Nov 29, priced at NT$23,324 Found 3 days ago

Thu, Nov 26 - Sun, Nov 29

SFO

San Francisco

IAD

Washington

NT$25,396

Roundtrip

Found 3 days ago

Select American Airlines flight, departing Thu, Nov 26 from San Francisco to Washington, returning Sun, Nov 29, priced at NT$25,396 Found 3 days ago

Thu, Nov 26 - Sun, Nov 29

SFO

San Francisco

IAD

Washington

NT$26,863

Roundtrip

Found 3 days ago

Select Delta flight, departing Thu, Nov 26 from San Francisco to Washington, returning Sun, Nov 29, priced at NT$26,863 Found 3 days ago

Thu, Nov 26 - Sun, Nov 29

SFO

San Francisco

IAD

Washington

NT$31,487

Roundtrip

Found 3 days ago

Select Delta flight, departing Thu, Nov 26 from San Francisco to Washington, returning Sun, Nov 29, priced at NT$31,487 Found 3 days ago

Thu, Nov 26 - Sun, Nov 29

SFO

San Francisco

IAD

Washington

NT$33,291

Roundtrip

Found 3 days ago

Select Delta flight, departing Thu, Nov 26 from San Francisco to Washington, returning Sun, Nov 29, priced at NT$33,291 Found 3 days ago

Thu, Nov 26 - Sun, Nov 29

SFO

San Francisco

IAD

Washington

NT$33,558

Roundtrip

Found 3 days ago

Select American Airlines flight, departing Thu, Nov 26 from San Francisco to Washington, returning Sun, Nov 29, priced at NT$33,558 Found 3 days ago

Thu, Nov 26 - Sun, Nov 29

SFO

San Francisco

IAD

Washington

NT$35,026

Roundtrip

Found 3 days ago

Select Delta flight, departing Thu, Nov 26 from San Francisco to Washington, returning Sun, Nov 29, priced at NT$35,026 Found 3 days ago

Tue, Oct 6 - Thu, Oct 8

SFO

San Francisco

IAD

Washington

NT$42,057

Roundtrip

Found 4 hours ago

Select Delta flight, departing Tue, Oct 6 from San Francisco to Washington, returning Thu, Oct 8, priced at NT$42,057 Found 4 hours ago

Find the cheapest month to fly from San Francisco (SFO) to Washington (IAD)

November is typically the cheapest month to fly

From NT$5,862 - NT$16,677 per traveler.

Travel information

Origin airport	San Francisco Intl. Airport
Destination airport	Washington Dulles Intl. Airport
Distance	3,884 km away
Airlines serving	Alaska Airlines, Frontier Airlines, American Airlines, United, Delta, Sun Country Airlines
Popular airline	Alaska Airlines
Roundtrip price	NT$23,324
Average flight time	6 hours 24 mins

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NT$7,579 Cheap Flights from San Francisco (SFO) to Washington (IAD)

Popular airlines from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD)

Be in the know

Book smarter

Earn twice

Cheap Flights from San Francisco to Washington (SFO-IAD)

Find the cheapest month to fly from San Francisco (SFO) to Washington (IAD)

November is typically the cheapest month to flyNovember is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

November is typically the cheapest month to fly