How many flights from Washington, D.C. to Seattle are non-stop?

Across the trailing 90 days, approximately 27% of flights from Washington, D.C. to Seattle were non-stop. This indicates that a significant portion of available routes include at least one stopover. For flights that do involve connections, the median number of stopovers was 2. Travelers should consider these factors when planning their journey.

How many hours is the flight from Washington, D.C. to Seattle?

The median direct flight time from Washington, D.C. to Seattle is 5 hours and 45 minutes. This corresponds to a distance of 3748 kilometers. For flights that include one stop, the median duration is considerably longer, typically around 11 hours and 14 minutes. Travelers should account for these differences in flight duration when making their travel plans.

How often do cheap flights from Washington, D.C. to Seattle come up?

Historically, cheap flights from Washington, D.C. to Seattle are considered frequent. This suggests that travelers have regular opportunities to find good deals on this route. Based on data from the trailing 30 days, this route consistently offers competitive pricing. Travelers can typically expect to find favorable fares with some regularity.

Flights From Washington, D.C.

To Seattle

Cheap Flights from Washington, D.C. to Seattle

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Deals from

Washington, D.C.

RatePunk searches hundreds of travel sites at once for deals on flights to Seattle

Prices updated 2 days ago

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from Washington, D.C. to Seattle

Explore current cheapest deals departing from Washington, D.C. to Seattle

2026-10-23 – 2026-10-27
WAS - Seattle
89% AI deal score
$260
$176
Round trip
2026-10-13 – 2026-10-17
WAS - Seattle
88% AI deal score
$251
$177
Round trip
2026-10-13 – 2026-10-18
WAS - Seattle
88% AI deal score
$246
$177
Round trip
2026-10-21 – 2026-10-28
WAS - Seattle
89% AI deal score
$249
$177
Round trip
2026-10-10 – 2026-10-13
WAS - Seattle
91% AI deal score
$314
$187
Round trip
2026-11-05 – 2026-11-10
WAS - Seattle
92% AI deal score
$334
$187
Round trip
2026-10-09 – 2026-10-12
WAS - Seattle
91% AI deal score
$331
$196
Round trip
2026-10-06 – 2026-10-12
WAS - Seattle
80% AI deal score
$298
$234
Round trip
2026-10-07 – 2026-10-12
WAS - Seattle
81% AI deal score
$309
$234
Round trip
2026-10-24 – 2026-10-26
WAS - Seattle
76% AI deal score
$250
$235
Round trip

Washington, D.C. to Seattle: Overview

Insights for flights from Washington, D.C. to Seattle

Flights from Washington, D.C. to Seattle typically range from $377–$928, with a median fare of $627. Right now, fares are below the typical level, offering a potentially more favorable time to fly this route. However, the share of recent fares classified as a good price is 0%, indicating that truly exceptional deals are not currently prevalent.

If you are looking for cheap flights from Washington, D.C. to Seattle, the data indicates that April is often the most affordable month to fly, with a median fare of $192. Following closely are January, with a median fare of $224, and February, where the median fare is $244. Planning your trip during these months could lead to significant savings.

A typical journey from Washington, D.C. to Seattle takes approximately 5h 45m. This duration reflects the median flight time for all itineraries, including those with connections. Given that most itineraries connect at least once, with a median of 2 stopovers when connecting, the overall travel time can vary significantly depending on your chosen flight. Direct flights from Washington, D.C. to Seattle make up only 27% of recent fares, meaning you will likely encounter connecting options.

The route from Washington, D.C. to Seattle covers a distance of 3748 kilometers. This classifies it as a medium-haul journey, meaning it is a substantial flight that typically involves several hours in the air. New deals for this route appear almost daily, suggesting that frequent checks for prices could be beneficial.

How much is a round trip from Washington, D.C. to Seattle

Regular price: $204 - $519

Prices for flights from Washington, D.C. to Seattle are currently below the regular range.

The regular price range for this route is between $204 and $519. The current lowest deal is $177 for travel from Oct 10-Oct 17, offered by kayak.

now $177

Low $204

High $519

The cheapest time to fly from Washington, D.C. to Seattle

The cheapest month to fly from Washington, D.C. to Seattle is February, with a median price of $244. The most expensive month is November, with a median price of $1129. Generally, prices are lower from January to December.

February

Cheapest

Flights from $244

November

Most Expensive

Flights from $1,129

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Washington, D.C. to Seattle

Alaska Airlines, Inc.

Last-minute flights going from Washington, D.C. to Seattle

Mon, Sep 14

⌛ Last-Minute

DCA - Seattle

Washington, D.C. (DCA) - Seattle (SEA)

Frontier Airlines

$543

$469

One-way

Mon, Sep 14

⌛ Last-Minute

DCA - Seattle

Washington, D.C. (DCA) - Seattle (SEA)

Frontier Airlines

$554

$479

One-way

Tue, Sep 15

⌛ Last-Minute

DCA - Seattle

Washington, D.C. (DCA) - Seattle (SEA)

Frontier Airlines

$556

$488

One-way

Tue, Sep 15

⌛ Last-Minute

DCA - Seattle

Washington, D.C. (DCA) - Seattle (SEA)

Frontier Airlines

$554

$500

One-way

Tue, Sep 15

⌛ Last-Minute

DCA - Seattle

Washington, D.C. (DCA) - Seattle (SEA)

Frontier Airlines

$547

$500

One-way

Wed, Sep 16

⌛ Last-Minute

BWI - Seattle

Washington, D.C. (BWI) - Seattle (SEA)

American Airlines

$450

$455

One-way

Biggest price drops on these dates for flights from Washington, D.C. to Seattle

2 nights

Sep 17 - Sep 19

$594 → $469

21%

4 nights

Oct 2 - Oct 6

$411 → $289

30%

5 nights

Dec 3 - Dec 8

$463 → $354

24%

5 nights

Oct 19 - Oct 24

$389 → $281

28%

Popular Airports to fly from Washington, D.C. to Seattle

Washington, D.C. - Seattle route insights

💸 Price insights

Recent fares are below the typical level.

Recent fares for Washington, D.C. to Seattle are below the typical level at $177.

📅 Best time to fly

Fly in April for the best prices.

Historically, April offers the lowest median prices at $192 for this route.

⏱️ Flight duration

Direct flights take 5h 45m.

Direct flights from Washington, D.C. to Seattle typically take 5h 45m.

✈️ Airlines & availability

Connecting flights are dominant.

Connecting flights make up 73% of routes, with a median of 2 stopovers.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights.

Alaska Airlines, Inc. provides direct flight options on this route.

🎯 Booking tip

Deals appear frequently.

Deals for flights from Washington, D.C. to Seattle appear frequently.

Washington, D.C. main airports to depart from

Ronald Reagan Washington National (DCA)

Cheapest

Ronald Reagan Washington National offers flights to Seattle, with prices from $299, making it a budget-friendly option.

📍 ~6 km from Washington, D.C. city center (reachable by car or metro).

💸 Flights from ~$299

Baltimore–Washington International (BWI)

Baltimore–Washington International provides another departure choice for flights to Seattle, with prices from $319.

📍 ~44 km from Washington, D.C. city center (reachable by car or train).

💸 Flights from ~$319

Washington Dulles International (IAD)

Washington Dulles International is an alternative for flights to Seattle, with prices from $305.

📍 ~36 km from Washington, D.C. city center (reachable by car or bus).

💸 Flights from ~$305

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International is a major airport for flights from Washington, D.C. to Seattle.

📍 ~18 km from Seattle (reachable by car)

💸 Flights from ~$299

Airports nearby Seattle used as alternative

Paine Field Everett (PAE)

Paine Field Everett can be a useful alternative for travelers located in North Seattle or Snohomish County.

📍 ~30 km from Seattle (reachable by car)

💸 Flights from ~$396

Business & First Class Flight Deals to Seattle

Discover luxury on the budget with premium cabin class on flights from Washington, D.C. to Seattle.

Elite

Best Elite deals to Seattle

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From IAD

Elite

Oct 23

Seattle, United States

86% AI deal score

$1,675

$1,217

Save $458

United Airlines

Business Class

From DCA

Elite

Oct 23

Seattle, United States

82% AI deal score

$1,637

$1,227

Save $410

From DCA

Seattle, United States

77% AI deal score

$1,442

$1,281

Save $161

Alaska Airlines, Inc.

Business Class

From IAD

Elite

Dec 15

Seattle, United States

77% AI deal score

$1,330

$1,207

Save $123

United Airlines

Business Class

From IAD

Elite

Oct 17

Seattle, United States

77% AI deal score

$1,341

$1,208

Save $133

United Airlines

Business Class

From BWI

Elite

Oct 27

Seattle, United States

77% AI deal score

$1,421

$1,287

Save $134

Alaska Airlines, Inc.

Business Class

From BWI

Elite

Oct 27

Seattle, United States

76% AI deal score

$1,409

$1,291

Save $118

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Seattle

Historically, booking flights from Washington, D.C. to Seattle at least 60 days in advance typically yields the lowest prices. Across the trailing quarter, flights booked 60+ days out had an average price of $604. This is significantly lower than flights booked closer to departure, such as those within 0-6 days, which averaged $1106. Even flights booked 14-27 days in advance were considerably higher, averaging $925.

A good deal for a flight from Washington, D.C. to Seattle is considered to be around $377 or less. This threshold represents the lowest 25% of prices observed across the trailing 90 days. The median price for this route was $627, while prices in the upper quartile reached $928. Therefore, any price at or below $377 indicates a particularly favorable fare.

Historically, the cheapest months to fly from Washington, D.C. to Seattle are April, January, and February. In April, the median price was $192, making it the most affordable month. January followed with a median price of $224, and February with $244. These prices are notably lower than the annual median price of $627 for this route, based on data from the trailing 270 days.

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More routes from Washington, D.C.

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Flights to Seattle from other cities

Flights from Accra to Seattle Flights from Albuquerque to Seattle Flights from Amsterdam to Seattle Flights from Anchorage to Seattle Flights from Atlanta to Seattle Flights from Auckland to Seattle Flights from Austin to Seattle Flights from Bengaluru to Seattle Flights from Calgary to Seattle Flights from Edmonton to Seattle Flights from Toronto to Seattle Flights from Vancouver to Seattle

Washington, D.C. to Seattle: Overview

Insights for flights from Washington, D.C. to Seattle

How much is a round trip from Washington, D.C. to Seattle

Regular price: $204 - $519

Prices for flights from Washington, D.C. to Seattle are currently below the regular range.

The regular price range for this route is between $204 and $519. The current lowest deal is $177 for travel from Oct 10-Oct 17, offered by kayak.

now $177

Low $204

High $519

The cheapest time to fly from Washington, D.C. to Seattle

February

Cheapest

Flights from $244

November

Most Expensive

Flights from $1,129

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Washington, D.C. to Seattle

Alaska Airlines, Inc.

Last-minute flights going from Washington, D.C. to Seattle

Mon, Sep 14

⌛ Last-Minute

DCA - Seattle

Washington, D.C. (DCA) - Seattle (SEA)

Frontier Airlines

$543

$469

One-way

Mon, Sep 14

⌛ Last-Minute

DCA - Seattle

Washington, D.C. (DCA) - Seattle (SEA)

Frontier Airlines

$554

$479

One-way

Tue, Sep 15

⌛ Last-Minute

DCA - Seattle

Washington, D.C. (DCA) - Seattle (SEA)

Frontier Airlines

$556

$488

One-way

Tue, Sep 15

⌛ Last-Minute

DCA - Seattle

Washington, D.C. (DCA) - Seattle (SEA)

Frontier Airlines

$554

$500

One-way

Tue, Sep 15

⌛ Last-Minute

DCA - Seattle

Washington, D.C. (DCA) - Seattle (SEA)

Frontier Airlines

$547

$500

One-way

Wed, Sep 16

⌛ Last-Minute

BWI - Seattle

Washington, D.C. (BWI) - Seattle (SEA)

American Airlines

$450

$455

One-way

Biggest price drops on these dates for flights from Washington, D.C. to Seattle

2 nights

Sep 17 - Sep 19

$594 → $469

21%

4 nights

Oct 2 - Oct 6

$411 → $289

30%

5 nights

Dec 3 - Dec 8

$463 → $354

24%

5 nights

Oct 19 - Oct 24

$389 → $281

28%

Popular Airports to fly from Washington, D.C. to Seattle

Washington, D.C. - Seattle route insights

💸 Price insights

Recent fares are below the typical level.

Recent fares for Washington, D.C. to Seattle are below the typical level at $177.

📅 Best time to fly

Fly in April for the best prices.

Historically, April offers the lowest median prices at $192 for this route.

⏱️ Flight duration

Direct flights take 5h 45m.

Direct flights from Washington, D.C. to Seattle typically take 5h 45m.

✈️ Airlines & availability

Connecting flights are dominant.

Connecting flights make up 73% of routes, with a median of 2 stopovers.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights.

Alaska Airlines, Inc. provides direct flight options on this route.

🎯 Booking tip

Deals appear frequently.

Deals for flights from Washington, D.C. to Seattle appear frequently.

Washington, D.C. main airports to depart from

Ronald Reagan Washington National (DCA)

Cheapest

Ronald Reagan Washington National offers flights to Seattle, with prices from $299, making it a budget-friendly option.

📍 ~6 km from Washington, D.C. city center (reachable by car or metro).

💸 Flights from ~$299

Baltimore–Washington International (BWI)

Baltimore–Washington International provides another departure choice for flights to Seattle, with prices from $319.

📍 ~44 km from Washington, D.C. city center (reachable by car or train).

💸 Flights from ~$319

Washington Dulles International (IAD)

Washington Dulles International is an alternative for flights to Seattle, with prices from $305.

📍 ~36 km from Washington, D.C. city center (reachable by car or bus).

💸 Flights from ~$305

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International is a major airport for flights from Washington, D.C. to Seattle.

📍 ~18 km from Seattle (reachable by car)

💸 Flights from ~$299

Airports nearby Seattle used as alternative

Paine Field Everett (PAE)

Paine Field Everett can be a useful alternative for travelers located in North Seattle or Snohomish County.

📍 ~30 km from Seattle (reachable by car)

💸 Flights from ~$396

Business & First Class Flight Deals to Seattle

Discover luxury on the budget with premium cabin class on flights from Washington, D.C. to Seattle.

Elite

Best Elite deals to Seattle

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From IAD

Elite

Oct 23

Seattle, United States

86% AI deal score

$1,675

$1,217

Save $458

United Airlines

Business Class

From DCA

Elite

Oct 23

Seattle, United States

82% AI deal score

$1,637

$1,227

Save $410

From DCA

Seattle, United States

76% AI deal score

$1,409

$1,291

Save $118

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Seattle

Cheap Flights from Washington, D.C. to Seattle

Today’s best flight deals from Washington, D.C. to Seattle

Washington, D.C. to Seattle: Overview

Insights for flights from Washington, D.C. to Seattle

How much is a round trip from Washington, D.C. to Seattle

The cheapest time to fly from Washington, D.C. to Seattle

Direct flights from Washington, D.C. to Seattle

Last-minute flights going from Washington, D.C. to Seattle

Biggest price drops on these dates for flights from Washington, D.C. to Seattle

Popular Airports to fly from Washington, D.C. to Seattle

Washington, D.C. - Seattle route insights

Recent fares are below the typical level.

Fly in April for the best prices.

Direct flights take 5h 45m.

Connecting flights are dominant.

Alaska Airlines, Inc. offers direct flights.

Deals appear frequently.

Washington, D.C. main airports to depart from

Seattle main airports to arrive at

Airports nearby Seattle used as alternative

Business & First Class Flight Deals to Seattle

Best Elite deals to Seattle

Oct 23

Oct 23

Oct 26

Oct 17

Oct 15

Nov 13

Jan 29

Oct 27

Dec 15

Oct 17

Oct 27

Oct 27

Frequently Asked Questions About Flights to Seattle

How early should I book Washington, D.C. to Seattle flights to get the cheapest price?

How do I know if a Washington, D.C. to Seattle flight is a good deal?

When is the cheapest time of year to fly from Washington, D.C. to Seattle?

How many flights from Washington, D.C. to Seattle are non-stop?

How many hours is the flight from Washington, D.C. to Seattle?

How often do cheap flights from Washington, D.C. to Seattle come up?

Related routes

More routes from Washington, D.C.

Flights to Seattle from other cities

Washington, D.C. to Seattle: Overview

Insights for flights from Washington, D.C. to Seattle

How much is a round trip from Washington, D.C. to Seattle

The cheapest time to fly from Washington, D.C. to Seattle

Direct flights from Washington, D.C. to Seattle

Last-minute flights going from Washington, D.C. to Seattle

Biggest price drops on these dates for flights from Washington, D.C. to Seattle

Popular Airports to fly from Washington, D.C. to Seattle

Washington, D.C. - Seattle route insights

Recent fares are below the typical level.

Fly in April for the best prices.

Direct flights take 5h 45m.

Connecting flights are dominant.

Alaska Airlines, Inc. offers direct flights.

Deals appear frequently.

Washington, D.C. main airports to depart from

Seattle main airports to arrive at

Airports nearby Seattle used as alternative

Business & First Class Flight Deals to Seattle

Best Elite deals to Seattle

Oct 23

Oct 23

Oct 26

Oct 17

Oct 15

Nov 13

Jan 29

Oct 27

Dec 15

Oct 17

Oct 27

Oct 27

Frequently Asked Questions About Flights to Seattle

How early should I book Washington, D.C. to Seattle flights to get the cheapest price?

How do I know if a Washington, D.C. to Seattle flight is a good deal?

When is the cheapest time of year to fly from Washington, D.C. to Seattle?