What are the cheapest airlines to fly from Seattle to District of Columbia one-way?

For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $148. Users have also found prices from $148 and $149 on Sun Country Air and Delta, respectively.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

If weather is an important factor for your trip to District of Columbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the cheapest flights from Seattle to District of Columbia?

While on average a flight from Seattle to District of Columbia is generally $1,332, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Seattle/Tacoma Intl - Washington, D.C. Dulles Intl), you can expect to pay $277 for that flight.

What are the most reliable airlines from Seattle to District of Columbia?

Before booking your flight to District of Columbia from Seattle, check out the most reliable airlines to get you to your destination on time: Avianca (87%), Copa Airlines (85%), Lufthansa( 84%).

What are the most popular airlines that fly from Seattle to District of Columbia?

When booking a flight from Seattle to District of Columbia, you may want to consider flying on American Airlines, Alaska Airlines or Delta as they are the most popular for this route.

How far in advance should I book a flight from Seattle to District of Columbia?

To save up to 75% on this flight, we recommend booking at least 42 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to District of Columbia from $466 1-2 weeks out and tickets from $567 for flights departing within the next 72 hours.

What is the cheapest month to fly from Seattle to District of Columbia?

September is one of the best times of the year to fly to District of Columbia from Seattle. Prices for September average $395 per person but you can even find prices for as low as $206. The most expensive prices can be found in the month of December. Opting for a September flight can save you 28% on your journey compared to booking in December

What airport do you fly from for flights from Seattle to District of Columbia?

Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to District of Columbia. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

Can I find deals for flights from Seattle to District of Columbia that include hotel bookings?

Yes. In addition to deals on Seattle to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to District of Columbia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to District of Columbia.

Can I find deals for business class flights from Seattle to District of Columbia?

Yes. Cheapflights offers flight deals from Seattle to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$147+ Flights from Seattle to District of Columbia

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Cheap flight deals from Seattle to District of Columbia

Round-trip from	$263 (FlightHub)
One-way from	$148 (Hawaiian Airlines)
Popular in	December
Cheapest in	September
Average price	$407
Good round-trip deal	$334 or less
Good one-way deal	$190 or less

From Seattle/Tacoma Intl to District of Columbia

Search Deals

One-way flight from Seattle/Tacoma Intl to District of Columbia

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($33 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a round-trip flight from Seattle/Tacoma Intl to District of Columbia.

Search Deals

Price to beat on a one-way flight from Seattle/Tacoma Intl to District of Columbia.

Search Deals

Find flight deals from Seattle to District of Columbia

Cheapest flights from Seattle to District of Columbia
Explore the most affordable flight options available from Seattle to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Thu 8/147:48 pmSEA - DCA

1 stop13h 16mFrontier

Mon 8/186:00 pmDCA - SEA

1 stop9h 34mFrontier

Deal found 7/1

$263

Sat 8/236:25 amSEA - DCA

1 stop12h 34mMultiple Airlines

Sat 8/305:06 pmDCA - SEA

Nonstop5h 50mMultiple Airlines

Deal found 7/2

$266

Wed 8/133:59 pmSEA - IAD

Nonstop5h 00mHawaiian Airlines

Wed 8/206:09 pmIAD - SEA

Nonstop5h 42mHawaiian Airlines

Deal found 6/30

$266

Mon 7/143:11 pmSEA - IAD

1 stop12h 23mFrontier

Fri 7/187:30 amIAD - SEA

1 stop9h 36mFrontier

Deal found 7/2

$276

Wed 8/207:20 amSEA - DCA

Nonstop5h 05mDelta

Tue 8/264:59 pmDCA - SEA

Nonstop5h 51mDelta

Deal found 7/2

$277

Wed 8/139:55 pmSEA - IAD

Nonstop5h 00mDelta

Tue 8/197:35 amIAD - SEA

Nonstop5h 45mDelta

Deal found 7/3

$277

Tue 8/261:35 pmSEA - DCA

Nonstop5h 09mHawaiian Airlines

Sun 8/318:00 amDCA - SEA

Nonstop5h 49mHawaiian Airlines

Deal found 7/2

$280

Tue 8/2611:30 pmSEA - IAD

Nonstop5h 02mAlaska Airlines

Sun 8/316:09 pmIAD - SEA

Nonstop5h 42mAlaska Airlines

Deal found 7/3

$293

Thu 8/1411:59 pmSEA - IAD

1 stop8h 56mSun Country Air

Thu 8/2112:48 pmIAD - SEA

1 stop12h 55mSun Country Air

Deal found 7/3

$295

Wed 10/87:52 amSEA - DCA

1 stop9h 37mAlaska Airlines

Wed 10/158:59 amDCA - SEA

1 stop11h 35mAlaska Airlines

Deal found 7/3

$296

Mon 8/1812:46 amSEA - DCA

1 stop7h 14mAmerican Airlines

Sat 8/237:00 amDCA - SEA

1 stop10h 15mAmerican Airlines

Deal found 7/1

$298

Wed 8/206:45 amSEA - DCA

2 stops10h 30mSouthwest

Tue 8/266:05 amDCA - SEA

1 stop9h 50mSouthwest

Deal found 7/2

$302

Best flights from Seattle to District of Columbia
Discover carefully curated flight deals from Seattle to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Thu 8/147:48 pmSEA - DCA

1 stop13h 16mFrontier

Mon 8/186:00 pmDCA - SEA

1 stop9h 34mFrontier

Deal found 7/1

$263

Sat 8/236:25 amSEA - DCA

1 stop12h 34mMultiple Airlines

Sat 8/305:06 pmDCA - SEA

Nonstop5h 50mMultiple Airlines

Deal found 7/2

$266

Wed 8/133:59 pmSEA - IAD

Nonstop5h 00mHawaiian Airlines

Wed 8/206:09 pmIAD - SEA

Nonstop5h 42mHawaiian Airlines

Deal found 6/30

$266

Wed 8/207:20 amSEA - DCA

Nonstop5h 05mDelta

Tue 8/264:59 pmDCA - SEA

Nonstop5h 51mDelta

Deal found 7/2

$277

Wed 8/1310:05 pmSEA - IAD

Nonstop4h 57mUnited Airlines

Wed 8/202:39 pmIAD - SEA

1 stop9h 38mUnited Airlines

Deal found 7/3

$287

Tue 8/2611:30 pmSEA - IAD

Nonstop5h 02mAlaska Airlines

Sun 8/316:09 pmIAD - SEA

Nonstop5h 42mAlaska Airlines

Deal found 7/3

$293

Thu 8/1411:59 pmSEA - IAD

1 stop8h 56mSun Country Air

Thu 8/2112:48 pmIAD - SEA

1 stop12h 55mSun Country Air

Deal found 7/3

$295

Mon 8/1812:46 amSEA - DCA

1 stop7h 14mAmerican Airlines

Sat 8/237:00 amDCA - SEA

1 stop10h 15mAmerican Airlines

Deal found 7/1

$298

Wed 8/205:15 amSEA - DCA

2 stops10h 00mSouthwest

Sat 8/236:00 amDCA - SEA

1 stop7h 55mSouthwest

Deal found 7/2

$302

Mon 7/143:11 pmSEA - IAD

1 stop12h 23mFrontier

Fri 7/187:30 amIAD - SEA

1 stop9h 36mFrontier

Deal found 7/2

$276

Wed 8/139:55 pmSEA - IAD

Nonstop5h 00mDelta

Tue 8/197:35 amIAD - SEA

Nonstop5h 45mDelta

Deal found 7/3

$277

Tue 8/261:35 pmSEA - DCA

Nonstop5h 09mHawaiian Airlines

Sun 8/318:00 amDCA - SEA

Nonstop5h 49mHawaiian Airlines

Deal found 7/2

$280

Last-minute flights from Seattle to District of Columbia
Discover last-minute flight deals from Seattle to District of Columbia. Data last updated July 3, 2025 and is based on user searches.

Tue 7/89:12 amSEA - IAD

1 stop23h 31mSun Country Air

Tue 7/2212:40 pmIAD - SEA

1 stop22h 31mSun Country Air

Deal found 7/1

$385

Tue 7/810:05 pmSEA - IAD

Nonstop4h 57mUnited Airlines

Tue 7/2210:06 pmIAD - SEA

Nonstop5h 50mUnited Airlines

Deal found 7/1

$493

Wed 7/97:00 amSEA - IAD

1 stop9h 19mAlaska Airlines

Tue 7/228:19 pmIAD - SEA

1 stop16h 28mAlaska Airlines

Deal found 7/1

$512

Wed 7/912:20 amSEA - DCA

1 stop7h 36mUnited Airlines

Tue 8/56:00 pmDCA - SEA

1 stop7h 42mUnited Airlines

Deal found 7/1

$513

Wed 7/95:20 amSEA - IAD

1 stop8h 30mSouthwest

Wed 7/235:35 pmIAD - SEA

1 stop10h 40mSouthwest

Deal found 7/3

$593

Thu 7/108:34 amSEA - DCA

Nonstop5h 09mAlaska Airlines

Tue 8/58:59 amDCA - SEA

1 stop10h 46mAlaska Airlines

Deal found 7/1

$523

Fri 7/113:11 pmSEA - IAD

1 stop12h 23mFrontier

Sun 7/137:30 amIAD - SEA

1 stop9h 36mFrontier

Deal found 7/1

$290

Fri 7/113:11 pmSEA - IAD

1 stop12h 23mMultiple Airlines

Sat 7/1912:46 pmIAD - SEA

1 stop13h 01mMultiple Airlines

Deal found 7/3

$372

Fri 7/118:01 pmSEA - DCA

1 stop22h 56mMultiple Airlines

Tue 7/155:02 pmDCA - SEA

Nonstop5h 58mMultiple Airlines

Deal found 7/2

$450

Sat 7/126:25 amSEA - DCA

1 stop12h 32mFrontier

Tue 7/151:00 pmDCA - SEA

1 stop13h 42mFrontier

Deal found 7/3

$281

Mon 7/143:11 pmSEA - IAD

1 stop12h 23mFrontier

Fri 7/187:30 amIAD - SEA

1 stop9h 36mFrontier

Deal found 7/2

$276

Tue 8/126:00 amSEA - DCA

1 stop11h 59mAlaska Airlines

Sat 8/236:59 pmDCA - SEA

1 stop16h 08mAlaska Airlines

Deal found 7/1

$296

One-way flights from Seattle to District of Columbia
Search for one-way flight options from Seattle to District of Columbia. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Sat 9/68:00 amSEA - DCA

1 stop9h 59mHawaiian Airlines

Deal found 7/2

$148

Thu 9/186:31 pmSEA - IAD

1 stop14h 52mSun Country Air

Deal found 7/3

$148

Thu 7/317:40 amSEA - DCA

Nonstop5h 09mDelta

Deal found 7/1

$149

Thu 7/249:55 pmSEA - IAD

Nonstop5h 02mDelta

Deal found 7/3

$149

Thu 7/246:25 amSEA - DCA

1 stop7h 34mFrontier

Deal found 7/3

$150

Fri 8/19:29 amSEA - IAD

1 stop22h 58mFrontier

Deal found 7/1

$151

Wed 10/15:15 amSEA - DCA

2 stops10h 00mSouthwest

Deal found 7/2

$154

Wed 8/206:45 amSEA - IAD

2 stops12h 20mSouthwest

Deal found 7/3

$154

Sat 8/309:05 amSEA - IAD

Nonstop5h 04mAlaska Airlines

Deal found 7/1

$156

Thu 7/317:00 amSEA - DCA

1 stop11h 42mAlaska Airlines

Deal found 7/1

$158

Sun 7/2712:20 amSEA - IAD

1 stop8h 35mUnited Airlines

Deal found 7/1

$167

Fri 8/1512:46 amSEA - DCA

1 stop7h 14mAmerican Airlines

Deal found 7/2

$169

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Thu 8/14

7:48 pm-12:04 pm

1 stop13h 16m

Washington, D.C. Reagan-National

Mon 8/18

6:00 pm-12:34 am

1 stop9h 34m

$263

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Sat 8/23

6:25 am-9:59 pm

1 stop12h 34m

Washington, D.C. Reagan-National

Sat 8/30

5:06 pm-7:56 pm

Nonstop5h 50m

$266

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 8/13

3:59 pm-11:59 pm

Nonstop5h 00m

Washington, D.C. Dulles Intl

Wed 8/20

6:09 pm-8:51 pm

Nonstop5h 42m

$266

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Mon 7/14

3:11 pm-6:34 am

1 stop12h 23m

Washington, D.C. Dulles Intl

Fri 7/18

7:30 am-2:06 pm

1 stop9h 36m

$276

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Wed 8/20

7:20 am-3:25 pm

Nonstop5h 05m

Washington, D.C. Reagan-National

Tue 8/26

4:59 pm-7:50 pm

Nonstop5h 51m

$277

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 8/13

9:55 pm-5:55 am

Nonstop5h 00m

Washington, D.C. Dulles Intl

Wed 8/20

7:35 am-10:20 am

Nonstop5h 45m

$277

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Tue 8/26

1:35 pm-9:44 pm

Nonstop5h 09m

Washington, D.C. Reagan-National

Sun 8/31

8:00 am-10:49 am

Nonstop5h 49m

$280

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 8/13

10:05 pm-6:02 am

Nonstop4h 57m

Washington, D.C. Dulles Intl

Wed 8/20

2:39 pm-9:17 pm

1 stop9h 38m

$287

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Tue 8/26

11:30 pm-7:32 am

Nonstop5h 02m

Washington, D.C. Dulles Intl

Sun 8/31

6:09 pm-8:51 pm

Nonstop5h 42m

$293

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 8/14

11:59 pm-11:55 am

1 stop8h 56m

Washington, D.C. Dulles Intl

Thu 8/21

12:48 pm-10:43 pm

1 stop12h 55m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 30 results

Best time to book a flight from Seattle to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Seattle with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to District of Columbia

What is the cheapest month to book a flight from Seattle to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from Seattle to District of Columbia (average of $309). Flying from Seattle to District of Columbia in July is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to DC?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to District of Columbia as you normally would.

Weekly flight availability from Seattle to District of Columbia

The most flights from SEA to USDC are scheduled on a Wednesday (32 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (11 on average).

Reviews of airlines servicing District of Columbia

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Seattle to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Southwest

8.0

Very good

4,270 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Delta

8.0

Very good

7,970 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Hawaiian Airlines

7.8

Good

2,545 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

United Airlines

7.4

Good

8,845 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

What airport do you fly from for flights from Seattle to District of Columbia?
Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to District of Columbia. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.
What are the cheapest airlines to fly from Seattle to District of Columbia one-way?
For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $148. Users have also found prices from $148 and $149 on Sun Country Air and Delta, respectively.
What are the most reliable airlines from Seattle to District of Columbia?
Before booking your flight to District of Columbia from Seattle, check out the most reliable airlines to get you to your destination on time: Avianca (87%), Copa Airlines (85%), Lufthansa( 84%).
What are the cheapest flights from Seattle to District of Columbia?
While on average a flight from Seattle to District of Columbia is generally $1,332, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Seattle/Tacoma Intl - Washington, D.C. Dulles Intl), you can expect to pay $277 for that flight.
Can I find deals for flights from Seattle to District of Columbia that include hotel bookings?
Yes. In addition to deals on Seattle to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to District of Columbia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to District of Columbia.
Can I find deals for business class flights from Seattle to District of Columbia?
Yes. Cheapflights offers flight deals from Seattle to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to District of Columbia?
Currently, August is the cheapest month in which you can book a flight from Seattle to District of Columbia (average of $309). Flying from Seattle to District of Columbia in July is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Seattle to District of Columbia

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$86	Average$236	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$143	Average$417	FlexibilityNo cancel fee	On-time85%
Spirit Airlines	Cheapest$178	Average$274	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$206	Average$388	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$206	Average$437	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$237	Average$418	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$257	Average$477	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$296	Average$454	FlexibilityNo cancel fee	On-time63%

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$147+ Cheap flights from Seattle (SEA) to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to District of Columbia with Cheapflights

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Cheap flight deals from Seattle to District of Columbia

Keep the following information in mind while searching for Seattle to District of Columbia flight deals. Data was last updated July 3, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Seattle to District of Columbia

Cheapest flights from Seattle to District of ColumbiaExplore the most affordable flight options available from Seattle to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Seattle to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to District of Columbia that are best for you.

Best time to book a flight from Seattle to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to District of Columbia

What is the cheapest month to book a flight from Seattle to District of Columbia?

What is the cheapest time of day to fly from SEA to DC?

Find hourly flight availability from Seattle to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Weekly flight availability from Seattle to District of Columbia

Reviews of airlines servicing District of Columbia

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Seattle to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Seattle to District of Columbia?

What are the cheapest airlines to fly from Seattle to District of Columbia one-way?

What are the most reliable airlines from Seattle to District of Columbia?

What are the cheapest flights from Seattle to District of Columbia?

Can I find deals for flights from Seattle to District of Columbia that include hotel bookings?

How can I find direct flights from Seattle to District of Columbia?

Can I find deals for business class flights from Seattle to District of Columbia?

What is the cheapest month to book a flight from Seattle to District of Columbia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Seattle to District of Columbia

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Cheapest flights from Seattle to District of Columbia
Explore the most affordable flight options available from Seattle to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.