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

In the trailing 90 days, approximately 11.3% of flights from Washington, D.C. to Seattle have been non-stop. For flights that include stopovers, travelers typically encounter a median of 2 stopovers. This indicates that direct routes are less common for this particular journey.

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

The median flight time for a direct flight from Washington, D.C. to Seattle is 5 hours and 47 minutes. For flights with one stop, the median duration is significantly longer, typically around 11 hours and 45 minutes. The distance between these two cities is approximately 3702 kilometers.

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

Cheap flights from Washington, D.C. to Seattle are classified as frequent. This means that travelers typically have regular opportunities to find favorable prices for this route. The availability of deals is consistently observed across the trailing 30 days.

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 7 days ago

482 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)

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

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

2027-01-12 – 2027-02-01
WAS - Seattle
67% AI deal score
$211
$256
Round trip
2027-01-12 – 2027-01-25
WAS - Seattle
67% AI deal score
$218
$257
Round trip
2027-01-12 – 2027-02-08
WAS - Seattle
67% AI deal score
$210
$258
Round trip
2027-02-09 – 2027-02-22
WAS - Seattle
68% AI deal score
$300
$305
Round trip
2027-02-09 – 2027-02-22
WAS - Seattle
67% AI deal score
$259
$306
Round trip
2026-11-18 – 2026-12-05
WAS - Seattle
69% AI deal score
$284
$371
Round trip
2026-11-18 – 2026-12-12
WAS - Seattle
69% AI deal score
$282
$371
Round trip
2026-11-18 – 2026-12-08
WAS - Seattle
69% AI deal score
$282
$371
Round trip
2026-12-08 – 2027-01-05
WAS - Seattle
70% AI deal score
$247
$374
Round trip
2026-12-12 – 2026-12-26
WAS - Seattle
71% AI deal score
$263
$374
Round trip

Washington, D.C. to Seattle: Overview

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

A typical flight from Washington, D.C. to Seattle costs $478–$997, with a median of $670. Right now, fares for this route are below the typical level, and about 1% of recent fares were classified as a good price. New deals appear almost daily for this route, indicating frequent opportunities to find cheap flights from Washington, D.C. to Seattle.

When considering the cheapest time to fly from Washington, D.C. to Seattle, the data indicates that February and January are typically the most affordable months, both with a median fare of $377. Following closely, April also presents a more budget-friendly option, with a median fare of $457.

The journey from Washington, D.C. to Seattle covers a distance of 3702 kilometers, classifying it as a medium-haul route. This distance typically involves a significant amount of travel time.

The typical journey time for flights from Washington, D.C. to Seattle is 5h 47m, including connections. Given that only 11.3% of recent fares were for direct flights from Washington, D.C. to Seattle, most itineraries connect at least once. When connecting, the median number of stopovers is 2, which significantly extends the overall travel duration.

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

Regular price: $220 - $423

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

The regular price range for this route is between $220 and $423. The current lowest deal is $261 with Frontier Airlines for travel from Feb 9-Feb 24.

now $261

Low $220

High $423

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

The cheapest month to fly from Washington to Seattle is January, with a median price of $377. The most expensive month is March, with a median price of $1254. Prices are generally lower from January to November.

January

Cheapest

Flights from $377

March

Most Expensive

Flights from $1,254

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

Tue, Nov 10

⌛ Last-Minute

DCA - Seattle

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

Frontier Airlines

$335

$367

One-way

Wed, Nov 11

⌛ Last-Minute

DCA - Seattle

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

Frontier Airlines

$363

$374

One-way

Thu, Nov 12

⌛ Last-Minute

DCA - Seattle

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

Frontier Airlines

$328

$355

One-way

Thu, Nov 12

⌛ Last-Minute

DCA - Seattle

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

Frontier Airlines

$340

$382

One-way

Sat, Nov 14

⌛ Last-Minute

DCA - Seattle

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

Frontier Airlines

$355

$365

One-way

Sat, Nov 14

⌛ Last-Minute

BWI - Seattle

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

Southwest Airlines

$285

$386

One-way

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

3 nights

Dec 11 - Dec 14

$456 → $289

37%

7 nights

Dec 5 - Dec 12

$434 → $287

34%

6 nights

Dec 16 - Dec 22

$434 → $317

27%

6 nights

Dec 14 - Dec 20

$435 → $345

21%

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 from Washington, D.C. to Seattle are below the typical level at $261.

📅 Best time to fly

Fly in February for the best prices

Historically, February is the cheapest month to fly from Washington, D.C. to Seattle, at $377.

⏱️ Flight duration

Direct flights take 5h 47m

The typical direct flight from Washington, D.C. to Seattle takes 5h 47m.

✈️ Airlines & availability

Connecting flights are common

Connecting flights are dominant on this route, with a median of 2 stopovers.

🏆 Airline highlight

Frontier Airlines offers deals

Frontier Airlines recently offered a deal for $261 from Washington, D.C. to Seattle.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Washington, D.C. to Seattle are frequent, appearing every 30 days.

Washington, D.C. main airports to depart from

Washington Dulles International (IAD)

Cheapest

Washington Dulles International offers flights to Seattle, often with competitive pricing for your journey.

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

💸 Flights from ~$179

Baltimore–Washington International (BWI)

Baltimore–Washington International provides another option for flights from the Washington, D.C. area to Seattle.

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

💸 Flights from ~$209

Ronald Reagan Washington National (DCA)

Ronald Reagan Washington National is a convenient choice for flights to Seattle from closer to the city.

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

💸 Flights from ~$228

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

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

📍 ~18 km from Seattle (reachable by car)

💸 Flights from ~$243

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.

📍 ~40 km from Seattle (reachable by car)

💸 Flights from ~$435

Business & First Class Flight Deals to Seattle

76% AI deal score

$1,465

$1,212

Save $253

Frequently Asked Questions About Flights to Seattle

Historically, the best prices for flights from Washington, D.C. to Seattle are found when booking 28-59 days in advance. During this period, the average price is typically around $765. Booking too close to departure, such as 0-6 days out, generally results in higher prices, averaging $1147. Even booking 60+ days out tends to be more expensive, with an average price of $910.

Across the trailing quarter, a good deal for a flight from Washington, D.C. to Seattle is considered to be $478 or less. The median price for this route has historically been $670. Prices can go higher, with 75% of deals found at $997 or more. Keeping an eye out for prices at or below $478 can help secure a favorable fare.

Historically, the cheapest months to fly from Washington, D.C. to Seattle are January and February, both with a median price of $377. April also offers relatively lower prices, with a median of $457. These months tend to be significantly cheaper than the annual median price of $670 for this route, based on data from the trailing 270 days.

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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

The journey from Washington, D.C. to Seattle covers a distance of 3702 kilometers, classifying it as a medium-haul route. This distance typically involves a significant amount of travel time.

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

Regular price: $220 - $423

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

The regular price range for this route is between $220 and $423. The current lowest deal is $261 with Frontier Airlines for travel from Feb 9-Feb 24.

now $261

Low $220

High $423

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

January

Cheapest

Flights from $377

March

Most Expensive

Flights from $1,254

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

Tue, Nov 10

⌛ Last-Minute

DCA - Seattle

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

Frontier Airlines

$335

$367

One-way

Wed, Nov 11

⌛ Last-Minute

DCA - Seattle

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

Frontier Airlines

$363

$374

One-way

Thu, Nov 12

⌛ Last-Minute

DCA - Seattle

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

Frontier Airlines

$328

$355

One-way

Thu, Nov 12

⌛ Last-Minute

DCA - Seattle

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

Frontier Airlines

$340

$382

One-way

Sat, Nov 14

⌛ Last-Minute

DCA - Seattle

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

Frontier Airlines

$355

$365

One-way

Sat, Nov 14

⌛ Last-Minute

BWI - Seattle

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

Southwest Airlines

$285

$386

One-way

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

3 nights

Dec 11 - Dec 14

$456 → $289

37%

7 nights

Dec 5 - Dec 12

$434 → $287

34%

6 nights

Dec 16 - Dec 22

$434 → $317

27%

6 nights

Dec 14 - Dec 20

$435 → $345

21%

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