Can I fly direct from Seattle to Washington, D.C.?

Direct flights from Seattle to Washington, D.C. are available, but they represent a smaller portion of the total options. Historically, approximately 7.1% of flights on this route were direct. For connecting flights, travelers typically experienced a median of 2 stopovers.

How long does it take to fly from Seattle to Washington, D.C.?

A direct flight from Seattle to Washington, D.C. typically takes 5 hours and 3 minutes. For flights with one stop, the median travel time increases to 10 hours and 57 minutes. The distance covered on this route is approximately 3702 kilometers.

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

Cheap flights from Seattle to Washington, D.C. are classified as frequent. This indicates that favorable prices for this route appear regularly. Travelers have consistent opportunities to find deals when planning their trips.

Flights From Seattle

To Washington, D.C.

Cheap Flights from Seattle to Washington, D.C.

Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Seattle

RatePunk searches hundreds of travel sites at once for deals on flights to Washington, D.C.

Prices updated 7 days ago

483 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 Seattle to Washington, D.C.

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

2027-02-01 – 2027-02-09
SEA - Washington, D.C.
69% AI deal score
$252
$251
Round trip
2027-02-01 – 2027-02-09
SEA - Washington, D.C.
68% AI deal score
$235
$251
Round trip
2027-02-01 – 2027-02-23
SEA - Washington, D.C.
68% AI deal score
$235
$254
Round trip
2027-02-01 – 2027-02-23
SEA - Washington, D.C.
68% AI deal score
$220
$254
Round trip
2027-02-01 – 2027-03-01
SEA - Washington, D.C.
68% AI deal score
$235
$256
Round trip
2027-02-01 – 2027-03-01
SEA - Washington, D.C.
68% AI deal score
$220
$256
Round trip
2027-02-03 – 2027-02-09
SEA - Washington, D.C.
69% AI deal score
$256
$258
Round trip
2026-12-05 – 2026-12-12
SEA - Washington, D.C.
80% AI deal score
$347
$259
Round trip
2026-12-11 – 2026-12-16
SEA - Washington, D.C.
80% AI deal score
$359
$266
Round trip
2026-11-20 – 2026-11-23
SEA - Washington, D.C.
70% AI deal score
$276
$267
Round trip

Seattle to Washington, D.C.: Overview

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

A journey from Seattle to Washington, D.C. covers a distance of 3702 kilometers, classifying it as a medium-haul route. This means you can expect a significant travel time, often involving connections, to bridge the distance between these two major cities.

For those seeking cheap flights from Seattle to Washington, D.C., fares typically range from $516 to $1001, with a median price of $730. Right now, current fares are above the typical level for this route. Only 1% of recent fares were classified as a good price, indicating that finding a low-cost option can be challenging.

When considering the cheapest time to fly from Seattle to Washington, D.C., May stands out with a median fare of $259. April also offers more affordable options, with a median fare of $440, followed by January at a median of $497. These months present the best opportunities for securing lower prices on this route.

Regarding direct flights from Seattle to Washington, D.C., most itineraries connect at least once, with only 7.1% of recent fares being non-stop. For connecting flights, the typical number of connections is 2, which significantly impacts the overall travel duration.

The typical journey time for flights from Seattle to Washington, D.C., including connections, is 5h 1m. However, for connecting itineraries, the median travel time extends to 34h 51m, reflecting the impact of layovers and multiple stops on this route. New deals for this route appear almost daily, so setting up a price alert can be beneficial.

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

Regular price: $206 - $644

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

The regular price range for flights from Seattle to Washington, D.C. is typically between $206 and $644. The current lowest deal is $251 with Frontier Airlines, for travel from Feb 1 to Feb 23.

now $251

Low $206

High $644

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

The cheapest month to fly from Seattle to Washington is May, with a median price of $259. The most expensive month is July, with a median price of $933. Prices are generally lower from January to December.

May

Cheapest

Flights from $259

July

Most Expensive

Flights from $933

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to Washington, D.C.

Alaska Airlines, Inc.

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

Wed, Nov 11

⌛ Last-Minute

SEA - Washington, D.C.

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

Frontier Airlines

$297

$376

One-way

Fri, Nov 13

⌛ Last-Minute

SEA - Washington, D.C.

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

Frontier Airlines

$306

$362

One-way

Sat, Nov 14

⌛ Last-Minute

SEA - Washington, D.C.

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

Frontier Airlines

$305

$323

One-way

Tue, Nov 17

⌛ Last-Minute

SEA - Washington, D.C.

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

Southwest Airlines

$299

$357

One-way

Fri, Nov 20

⌛ Last-Minute

SEA - Washington, D.C.

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

Frontier Airlines

$276

$267

One-way

Fri, Nov 20

⌛ Last-Minute

SEA - Washington, D.C.

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

Frontier Airlines

$275

$359

One-way

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

4 nights

Nov 6 - Nov 10

$469 → $524

12%

3 nights

Nov 14 - Nov 17

$345 → $402

17%

1 night

Nov 4 - Nov 5

$479 → $549

15%

2 nights

Nov 5 - Nov 7

$418 → $491

17%

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

Seattle - Washington, D.C. route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares from Seattle to Washington, D.C. are above the typical level for this route.

📅 Best time to fly

Fly in May for prices below the typical level.

Historically, May has offered the lowest median prices at $259 for flights from Seattle to Washington, D.C.

⏱️ Flight duration

Direct flights take 5h 1m.

Direct flights to Washington, D.C. typically take 5h 1m, while connecting flights average 34h 51m.

✈️ Airlines & availability

7.1% of flights are direct.

Only 7.1% of recent flights from Seattle to Washington, D.C. are direct, with connecting flights having 2 stopovers.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights.

Alaska Airlines, Inc. has 3 direct deals available for this route.

🎯 Booking tip

Deals appear frequently.

Deals for flights from Seattle to Washington, D.C. appear frequently, typically within a 30-day window.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

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

📍 ~18 km from city center (reachable by car or train)

💸 Flights from ~$246

Washington, D.C. main airports to arrive at

Washington Dulles International (IAD)

Cheapest

Washington Dulles International is a good arrival airport for flights from Seattle to Washington, D.C.

📍 ~36 km from Washington, D.C. (reachable by car)

💸 Flights from ~$277

Airports nearby Washington, D.C. used as alternative

Philadelphia International (PHL)

Cheapest

Philadelphia International is a major international hub with extensive networks, often resulting in lower fares.

📍 ~200 km from Washington, D.C. (reachable by car or Amtrak)

💸 Flights from ~$281

Business & First Class Flight Deals to Washington, D.C.

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

Elite

Best Elite deals to Washington, D.C.

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

From SEA

Elite

Dec 07

Washington, D.C., United States

90% AI deal score

$1,691

$927

Save $764

From SEA

Elite

Dec 06

Washington, D.C., United States

87% AI deal score

$1,612

$977

Save $635

From SEA

Elite

Feb 20

Washington, D.C., United States

86% AI deal score

$1,505

$997

Save $508

From SEA

Elite

Dec 08

Washington, D.C., United States

86% AI deal score

$1,670

$1,297

Save $373

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Feb 20

Washington, D.C., United States

85% AI deal score

$1,431

$1,017

Save $414

From SEA

Elite

Nov 30

Washington, D.C., United States

85% AI deal score

$1,706

$1,127

Save $579

From SEA

Elite

Dec 30

Washington, D.C., United States

85% AI deal score

$1,593

$1,287

Save $306

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Dec 29

Washington, D.C., United States

85% AI deal score

$1,592

$1,287

Save $305

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Nov 14

Washington, D.C., United States

84% AI deal score

$1,769

$1,108

Save $661

From SEA

Elite

Nov 18

Washington, D.C., United States

84% AI deal score

$1,769

$1,222

Save $547

From SEA

Elite

Mar 26

Washington, D.C., United States

83% AI deal score

$1,538

$1,147

Save $391

From SEA

Elite

Dec 07

Washington, D.C., United States

80% AI deal score

$1,644

$1,298

Save $346

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Washington, D.C.

Historically, the best prices for flights from Seattle to Washington, D.C. are found when booking 28-59 days in advance. During this period, the average price was $789. Booking within 0-6 days of departure typically sees prices rise to an average of $1193. Even booking 60+ days out can be more expensive, with an average price of $963.

Across the trailing quarter, a good price for a flight from Seattle to Washington, D.C. was considered to be $516 or less. The median price for this route during the same period was $730. Prices can go up significantly, with 75% of observed prices being $1001 or less.

Historically, May has been the cheapest month to fly from Seattle to Washington, D.C., with a median price of $259. April also offered competitive prices, with a median of $440. The annual median price for this route is $730, indicating significant savings are possible during these months.

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More routes from Seattle

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Flights to Washington, D.C. from other cities

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Seattle to Washington, D.C.: Overview

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

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

Regular price: $206 - $644

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

The regular price range for flights from Seattle to Washington, D.C. is typically between $206 and $644. The current lowest deal is $251 with Frontier Airlines, for travel from Feb 1 to Feb 23.

now $251

Low $206

High $644

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

May

Cheapest

Flights from $259

July

Most Expensive

Flights from $933

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to Washington, D.C.

Alaska Airlines, Inc.

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

Wed, Nov 11

⌛ Last-Minute

SEA - Washington, D.C.

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

Frontier Airlines

$297

$376

One-way

Fri, Nov 13

⌛ Last-Minute

SEA - Washington, D.C.

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

Frontier Airlines

$306

$362

One-way

Sat, Nov 14

⌛ Last-Minute

SEA - Washington, D.C.

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

Frontier Airlines

$305

$323

One-way

Tue, Nov 17

⌛ Last-Minute

SEA - Washington, D.C.

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

Southwest Airlines

$299

$357

One-way

Fri, Nov 20

⌛ Last-Minute

SEA - Washington, D.C.

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

Frontier Airlines

$276

$267

One-way

Fri, Nov 20

⌛ Last-Minute

SEA - Washington, D.C.

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

Frontier Airlines

$275

$359

One-way

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

4 nights

Nov 6 - Nov 10

$469 → $524

12%

3 nights

Nov 14 - Nov 17

$345 → $402

17%

1 night

Nov 4 - Nov 5

$479 → $549

15%

2 nights

Nov 5 - Nov 7

$418 → $491

17%

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

Seattle - Washington, D.C. route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares from Seattle to Washington, D.C. are above the typical level for this route.

📅 Best time to fly

Fly in May for prices below the typical level.

Historically, May has offered the lowest median prices at $259 for flights from Seattle to Washington, D.C.

⏱️ Flight duration

Direct flights take 5h 1m.

Direct flights to Washington, D.C. typically take 5h 1m, while connecting flights average 34h 51m.

✈️ Airlines & availability

7.1% of flights are direct.

Only 7.1% of recent flights from Seattle to Washington, D.C. are direct, with connecting flights having 2 stopovers.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights.

Alaska Airlines, Inc. has 3 direct deals available for this route.

🎯 Booking tip

Deals appear frequently.

Deals for flights from Seattle to Washington, D.C. appear frequently, typically within a 30-day window.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

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

📍 ~18 km from city center (reachable by car or train)

💸 Flights from ~$246

Washington, D.C. main airports to arrive at

Washington Dulles International (IAD)

Cheapest

Washington Dulles International is a good arrival airport for flights from Seattle to Washington, D.C.

📍 ~36 km from Washington, D.C. (reachable by car)

💸 Flights from ~$277

Airports nearby Washington, D.C. used as alternative

Philadelphia International (PHL)

Cheapest

Philadelphia International is a major international hub with extensive networks, often resulting in lower fares.

📍 ~200 km from Washington, D.C. (reachable by car or Amtrak)

💸 Flights from ~$281

Business & First Class Flight Deals to Washington, D.C.

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

Elite

Best Elite deals to Washington, D.C.

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

From SEA

Elite

Dec 07

Washington, D.C., United States

90% AI deal score

$1,691

$927

Save $764

From SEA

Elite

Dec 06

Washington, D.C., United States

87% AI deal score

$1,612

$977

Save $635

From SEA

Elite

Feb 20

Washington, D.C., United States

86% AI deal score

$1,505

$997

Save $508

From SEA

Elite

Dec 08

Washington, D.C., United States

86% AI deal score

$1,670

$1,297

Save $373

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Feb 20

Washington, D.C., United States

85% AI deal score

$1,431

$1,017

Save $414

From SEA

Elite

Nov 30

Washington, D.C., United States

85% AI deal score

$1,706

$1,127

Save $579

From SEA

Elite

Dec 30

Washington, D.C., United States

85% AI deal score

$1,593

$1,287

Save $306

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Dec 29

Washington, D.C., United States

85% AI deal score

$1,592

$1,287

Save $305

Alaska Airlines, Inc.

Business Class

From SEA

Elite

Nov 14

Washington, D.C., United States

84% AI deal score

$1,769

$1,108

Save $661

From SEA

Elite

Nov 18

Washington, D.C., United States

84% AI deal score

$1,769

$1,222

Save $547

From SEA

Elite

Mar 26

Washington, D.C., United States

83% AI deal score

$1,538

$1,147

Save $391

From SEA

Elite

Dec 07

Washington, D.C., United States

80% AI deal score

$1,644

$1,298

Save $346

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Washington, D.C.

Cheap Flights from Seattle to Washington, D.C.

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

Seattle to Washington, D.C.: Overview

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

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

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

Direct flights from Seattle to Washington, D.C.

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

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

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

Seattle - Washington, D.C. route insights

Recent fares are above the typical level.

Fly in May for prices below the typical level.

Direct flights take 5h 1m.

7.1% of flights are direct.

Alaska Airlines, Inc. offers direct flights.

Deals appear frequently.

Seattle main airports to depart from

Washington, D.C. main airports to arrive at

Airports nearby Washington, D.C. used as alternative

Business & First Class Flight Deals to Washington, D.C.

Best Elite deals to Washington, D.C.

Dec 07

Dec 06

Feb 20

Dec 08

Feb 20

Nov 30

Dec 30

Dec 29

Nov 14

Nov 18

Mar 26

Dec 07

Frequently Asked Questions About Flights to Washington, D.C.

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

How much should a flight from Seattle to Washington, D.C. cost?

What's the best month to fly from Seattle to Washington, D.C.?

Can I fly direct from Seattle to Washington, D.C.?

How long does it take to fly from Seattle to Washington, D.C.?

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

Related routes

More routes from Seattle

Flights to Washington, D.C. from other cities

Seattle to Washington, D.C.: Overview

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

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

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

Direct flights from Seattle to Washington, D.C.

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

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

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

Seattle - Washington, D.C. route insights

Recent fares are above the typical level.

Fly in May for prices below the typical level.

Direct flights take 5h 1m.

7.1% of flights are direct.

Alaska Airlines, Inc. offers direct flights.

Deals appear frequently.

Seattle main airports to depart from

Washington, D.C. main airports to arrive at

Airports nearby Washington, D.C. used as alternative

Business & First Class Flight Deals to Washington, D.C.

Best Elite deals to Washington, D.C.

Dec 07

Dec 06

Feb 20

Dec 08

Feb 20

Nov 30

Dec 30

Dec 29

Nov 14

Nov 18

Mar 26

Dec 07

Frequently Asked Questions About Flights to Washington, D.C.

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

How much should a flight from Seattle to Washington, D.C. cost?

What's the best month to fly from Seattle to Washington, D.C.?