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. For flights that included stopovers, the median number of stopovers was 2. This indicates that while direct options are available, a significant portion of routes involve at least one connection. Travelers should consider this when planning their journey.

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

The direct flight from Washington, D.C. to Seattle typically takes 5 hours and 45 minutes, covering a distance of 3748 kilometers. For flights with one stop, the median duration extends to 11 hours and 14 minutes. This significant difference highlights the time savings associated with choosing a non-stop option for this route.

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

Historically, cheap flights from Washington, D.C. to Seattle are classified as frequent. This means that favorable prices for this route appear regularly across the trailing quarter. Travelers can typically find good opportunities for this destination without an extended wait. This route is considered one of the more active for deals.

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

405 airlines compared

80%+ AI score for best value

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

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

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

2026-08-19 – 2026-08-24
WAS - Seattle
87% AI deal score
$376
$157
Round trip
2026-08-19 – 2026-08-25
WAS - Seattle
87% AI deal score
$364
$157
Round trip
2026-08-24 – 2026-08-25
WAS - Seattle
87% AI deal score
$381
$157
Round trip
2026-08-11 – 2026-08-25
WAS - Seattle
84% AI deal score
$325
$165
Round trip
2026-08-12 – 2026-08-25
WAS - Seattle
84% AI deal score
$326
$165
Round trip
2026-09-15 – 2026-09-29
WAS - Seattle
77% AI deal score
$192
$167
Round trip
2026-08-24 – 2026-08-26
WAS - Seattle
86% AI deal score
$381
$168
Round trip
2026-08-19 – 2026-08-26
WAS - Seattle
85% AI deal score
$363
$168
Round trip
2026-08-24 – 2026-08-29
WAS - Seattle
85% AI deal score
$369
$173
Round trip
2026-08-09 – 2026-08-23
WAS - Seattle
88% AI deal score
$323
$174
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, which can be an advantage for travelers seeking cheap flights from Washington, D.C. to Seattle. However, currently 0% of recent fares are classified as a good price.

When is the cheapest time to fly from Washington, D.C. to Seattle? You'll find the most affordable options in April, with a median fare of $192. Other cost-effective months include January, where the median fare is $224, and February, with a median of $244.

A typical journey from Washington, D.C. to Seattle takes about 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.

The route from Washington, D.C. to Seattle covers a distance of 3748 kilometers. This classifies it as a medium-haul flight, meaning you can expect a substantial journey. For this route, new deals appear almost daily, offering frequent opportunities to find suitable fares.

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

Regular price: $238 - $371

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

The regular price range for this route is between $238 and $371. The current lowest deal is $176 with Southwest Airlines for travel from Sep 8-Sep 10.

now $176

Low $238

High $371

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. Prices are generally 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

Sat, Aug 22

⌛ Last-Minute

IAD - Seattle

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

Deutsche Luft Hansa

$364

$225

One-way

Sun, Aug 23

⌛ Last-Minute

BWI - Seattle

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

Deutsche Luft Hansa

$325

$211

One-way

Mon, Aug 24

⌛ Last-Minute

BWI - Seattle

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

Southwest Airlines

$327

$196

One-way

Mon, Aug 24

⌛ Last-Minute

BWI - Seattle

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

Southwest Airlines

$325

$196

One-way

Tue, Aug 25

⌛ Last-Minute

BWI - Seattle

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

Southwest Airlines

$327

$185

One-way

Tue, Aug 25

⌛ Last-Minute

BWI - Seattle

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

Southwest Airlines

$324

$186

One-way

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

4 nights

Oct 20 - Oct 24

$403 → $186

54%

3 nights

Oct 27 - Oct 30

$411 → $195

53%

7 nights

Oct 24 - Oct 31

$396 → $185

53%

5 nights

Oct 22 - Oct 27

$405 → $195

52%

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 $176.

📅 Best time to fly

Fly in February for the best prices

Historically, February is the cheapest month to fly, with a median price of $244.

⏱️ Flight duration

Direct flights average 5h 45m

The typical direct flight from Washington, D.C. to Seattle takes 5h 45m.

✈️ Airlines & availability

27% of recent flights are direct

Historically, 27% of flights on this route are direct, with connecting flights having 2 stopovers.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights

Alaska Airlines, Inc. provides direct flights from Washington, D.C. to Seattle.

🎯 Booking tip

Deals are frequent on this route

Deals on flights from Washington, D.C. to Seattle are frequent, appearing often.

Washington, D.C. main airports to depart from

Baltimore–Washington International (BWI)

Cheapest

Baltimore–Washington International offers flights to Seattle, providing a budget-friendly option for your journey.

📍 ~45 km from Washington, D.C. (reachable by car or train)

💸 Flights from ~$226

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International Airport is a primary arrival option for flights to Seattle from Washington, D.C.

📍 ~18 km from Seattle (reachable by car, public transport).

💸 Flights from ~$226

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 ~$302

Business & First Class Flight Deals to Seattle

91% AI deal score

$2,314

$1,205

Save $1,109

Frequently Asked Questions About Flights to Seattle

Historically, booking flights from Washington, D.C. to Seattle 60 or more days in advance typically yields the lowest prices. Across the trailing quarter, the average price for flights booked within this window was $604. In contrast, booking within 0-6 days of departure saw average prices rise to $1106. Even booking 14-27 days out resulted in an average price of $925, indicating that earlier booking is generally more economical for this route.

A flight from Washington, D.C. to Seattle is considered a good deal if the price is at or below $377. This threshold represents the 25th percentile of prices observed across the trailing 90 days. The median price for this route historically stands at $627, while prices in the 75th percentile reached $928. Therefore, any price below $377 is a strong indicator of a favorable deal.

Historically, the cheapest months to fly from Washington, D.C. to Seattle include April, January, and February. In April, the median price was $192, while January saw a median price of $224. February also offered competitive pricing with a median of $244. These months are significantly more affordable compared to the annual median price of $627 for this route.

Related routes

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: $238 - $371

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

The regular price range for this route is between $238 and $371. The current lowest deal is $176 with Southwest Airlines for travel from Sep 8-Sep 10.

now $176

Low $238

High $371

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

Sat, Aug 22

⌛ Last-Minute

IAD - Seattle

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

Deutsche Luft Hansa

$364

$225

One-way

Sun, Aug 23

⌛ Last-Minute

BWI - Seattle

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

Deutsche Luft Hansa

$325

$211

One-way

Mon, Aug 24

⌛ Last-Minute

BWI - Seattle

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

Southwest Airlines

$327

$196

One-way

Mon, Aug 24

⌛ Last-Minute

BWI - Seattle

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

Southwest Airlines

$325

$196

One-way

Tue, Aug 25

⌛ Last-Minute

BWI - Seattle

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

Southwest Airlines

$327

$185

One-way

Tue, Aug 25

⌛ Last-Minute

BWI - Seattle

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

Southwest Airlines

$324

$186

One-way

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

4 nights

Oct 20 - Oct 24

$403 → $186

54%

3 nights

Oct 27 - Oct 30

$411 → $195

53%

7 nights

Oct 24 - Oct 31

$396 → $185

53%

5 nights

Oct 22 - Oct 27

$405 → $195

52%

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