How popular is this District of Columbia to Seattle flight route?

This flight path from District of Columbia to Seattle/Tacoma Intl was viewed by 29 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $143. However, be on the lookout for offers from Alaska Airlines and Sun Country Air, as they are both options that can get you from District of Columbia to Seattle for a low price.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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

The cheapest flight price from District of Columbia to Seattle is $138. On average you can expect to pay $1,257. The most popular route, (Washington, D.C. Reagan-National - Seattle/Tacoma Intl), can usually be booked for $263.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from District of Columbia to Seattle on time: Finnair (94%), Southwest (67%), Alaska Airlines (63%).

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

When booking a flight from District of Columbia to Seattle, 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 District of Columbia to Seattle?

To save on the cost of your flight from District of Columbia to Seattle, book at least 44 days before your planned departure. Booking around this time can save you about 92% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $561 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $625.

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

Our data shows that September tends to be the cheapest month to fly to Seattle from District of Columbia. Users have commonly found prices around $404 for the month, but tickets can be as low as $189. Due to multiple factors, prepare for potentially higher prices in December.

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

Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from 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 District of Columbia to Seattle that include hotel bookings?

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

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

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

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

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

$143+ Flights from District of Columbia to Seattle

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Cheap flight deals from District of Columbia to Seattle

Round-trip from	$251 (lastminute.com)
One-way from	$143 (Cheapflightsfares)
Popular in	December
Cheapest in	September
Average price	$455
Good round-trip deal	$328 or less
Good one-way deal	$222 or less

From District of Columbia to Seattle/Tacoma Intl

Search Deals

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

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

Search Deals

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

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

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Find flight deals from District of Columbia to Seattle

Cheapest flights from District of Columbia to Seattle
Explore the most affordable flight options available from District of Columbia to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Sat 8/237:00 amDCA - SEA

1 stop7h 45mFrontier

Tue 8/266:41 amSEA - DCA

1 stop7h 18mFrontier

Deal found 7/27

$255

Wed 8/277:00 amIAD - SEA

Nonstop5h 40mAlaska Airlines

Sat 9/69:05 amSEA - IAD

Nonstop5h 04mAlaska Airlines

Deal found 7/28

$257

Sat 10/45:03 pmDCA - SEA

Nonstop5h 55mAlaska Airlines

Wed 10/158:30 amSEA - DCA

Nonstop5h 18mAlaska Airlines

Deal found 7/29

$257

Sat 9/207:00 amIAD - SEA

Nonstop5h 38mHawaiian Airlines

Sat 9/274:20 pmSEA - IAD

Nonstop5h 03mHawaiian Airlines

Deal found 7/27

$263

Sat 9/205:06 pmDCA - SEA

Nonstop5h 50mHawaiian Airlines

Sat 9/278:35 amSEA - DCA

Nonstop5h 14mHawaiian Airlines

Deal found 7/27

$263

Tue 9/164:59 pmDCA - SEA

Nonstop5h 41mDelta

Tue 9/237:25 amSEA - DCA

Nonstop5h 05mDelta

Deal found 7/29

$277

Mon 8/187:35 amIAD - SEA

Nonstop5h 45mDelta

Tue 8/269:55 pmSEA - IAD

Nonstop5h 00mDelta

Deal found 7/26

$287

Sat 9/202:21 pmIAD - SEA

1 stop8h 44mAmerican Airlines

Sat 9/275:26 amSEA - IAD

1 stop8h 21mAmerican Airlines

Deal found 7/27

$295

Thu 8/147:30 amIAD - SEA

1 stop9h 36mFrontier

Mon 8/183:11 pmSEA - IAD

1 stop12h 23mFrontier

Deal found 7/27

$298

Tue 8/262:25 pmIAD - SEA

1 stop9h 30mSouthwest

Wed 8/277:00 amSEA - IAD

2 stops12h 05mSouthwest

Deal found 7/28

$302

Wed 9/104:40 pmDCA - SEA

2 stops9h 30mSouthwest

Sat 9/205:55 amSEA - DCA

1 stop9h 25mSouthwest

Deal found 7/28

$302

Thu 10/1611:52 amIAD - SEA

1 stop8h 33mSun Country Air

Sun 10/1911:59 pmSEA - IAD

1 stop8h 27mSun Country Air

Deal found 7/28

$304

Best flights from District of Columbia to Seattle
Discover carefully curated flight deals from District of Columbia to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sat 8/235:06 pmDCA - SEA

Nonstop5h 50mHawaiian Airlines

Sat 8/308:00 amSEA - DCA

1 stop9h 59mHawaiian Airlines

Deal found 7/29

$251

Tue 10/216:00 pmDCA - SEA

1 stop8h 02mFrontier

Sat 10/256:00 amSEA - DCA

1 stop8h 01mFrontier

Deal found 7/29

$254

Wed 8/277:00 amIAD - SEA

Nonstop5h 40mAlaska Airlines

Sat 9/69:05 amSEA - IAD

Nonstop5h 04mAlaska Airlines

Deal found 7/28

$257

Sat 8/234:59 pmDCA - SEA

Nonstop5h 51mDelta

Sat 8/307:20 amSEA - DCA

Nonstop5h 05mDelta

Deal found 7/29

$257

Sat 9/202:21 pmIAD - SEA

1 stop8h 44mAmerican Airlines

Sat 9/275:26 amSEA - IAD

1 stop8h 21mAmerican Airlines

Deal found 7/27

$295

Tue 8/262:25 pmIAD - SEA

1 stop9h 30mSouthwest

Wed 8/277:00 amSEA - IAD

2 stops12h 05mSouthwest

Deal found 7/28

$302

Thu 10/1611:52 amIAD - SEA

1 stop8h 33mSun Country Air

Sun 10/1911:59 pmSEA - IAD

1 stop8h 27mSun Country Air

Deal found 7/28

$304

Thu 10/95:55 pmIAD - SEA

Nonstop5h 49mUnited Airlines

Mon 10/137:37 pmSEA - IAD

1 stop8h 25mUnited Airlines

Deal found 7/26

$333

Sat 9/207:00 amIAD - SEA

Nonstop5h 38mHawaiian Airlines

Sat 9/274:20 pmSEA - IAD

Nonstop5h 03mHawaiian Airlines

Deal found 7/27

$263

Mon 8/187:35 amIAD - SEA

Nonstop5h 45mDelta

Tue 8/269:55 pmSEA - IAD

Nonstop5h 00mDelta

Deal found 7/26

$287

Thu 8/147:30 amIAD - SEA

1 stop9h 36mFrontier

Mon 8/183:11 pmSEA - IAD

1 stop12h 23mFrontier

Deal found 7/27

$298

Sat 8/306:00 pmDCA - SEA

1 stop8h 41mAmerican Airlines

Sat 8/3012:46 amSEA - DCA

1 stop7h 14mAmerican Airlines

Deal found 7/29

$301

Last-minute flights from District of Columbia to Seattle
Discover last-minute flight deals from District of Columbia to Seattle. Data last updated July 29, 2025 and is based on user searches.

Mon 8/46:00 pmDCA - SEA

1 stop9h 34mFrontier

Sat 8/167:48 pmSEA - DCA

1 stop13h 16mFrontier

Deal found 7/27

$278

Tue 8/57:30 amIAD - SEA

Nonstop5h 47mDelta

Thu 8/219:55 pmSEA - IAD

Nonstop5h 00mDelta

Deal found 7/26

$533

Tue 8/58:10 amIAD - SEA

1 stop11h 44mAlaska Airlines

Thu 8/217:59 pmSEA - IAD

1 stop17h 48mAlaska Airlines

Deal found 7/28

$542

Tue 8/56:20 amDCA - SEA

1 stop9h 00mAmerican Airlines

Wed 8/2012:46 amSEA - DCA

1 stop7h 14mAmerican Airlines

Deal found 7/26

$563

Tue 8/55:45 amIAD - SEA

2 stops12h 25mSouthwest

Tue 8/195:15 amSEA - IAD

1 stop8h 00mSouthwest

Deal found 7/28

$648

Wed 8/69:59 amDCA - SEA

1 stop27h 54mAlaska Airlines

Thu 8/71:58 pmSEA - DCA

Nonstop5h 01mAlaska Airlines

Deal found 7/29

$537

Wed 8/68:10 amIAD - SEA

1 stop11h 44mHawaiian Airlines

Tue 8/124:42 pmSEA - IAD

1 stop11h 08mHawaiian Airlines

Deal found 7/28

$643

Thu 8/71:28 pmIAD - SEA

1 stop21h 34mSun Country Air

Thu 8/1411:59 pmSEA - IAD

1 stop8h 56mSun Country Air

Deal found 7/27

$495

Thu 8/77:00 amDCA - SEA

1 stop14h 46mMultiple Airlines

Thu 8/141:58 pmSEA - DCA

Nonstop5h 01mMultiple Airlines

Deal found 7/27

$559

Fri 8/87:30 amIAD - SEA

1 stop9h 36mFrontier

Fri 8/153:11 pmSEA - IAD

1 stop12h 23mFrontier

Deal found 7/27

$338

Fri 8/87:30 amIAD - SEA

1 stop9h 36mMultiple Airlines

Wed 8/136:40 pmSEA - IAD

1 stop13h 57mMultiple Airlines

Deal found 7/28

$458

Thu 8/147:30 amIAD - SEA

1 stop9h 36mFrontier

Mon 8/183:11 pmSEA - IAD

1 stop12h 23mFrontier

Deal found 7/27

$298

One-way flights from District of Columbia to Seattle
Search for one-way flight options from District of Columbia to Seattle. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Mon 8/187:30 amIAD - SEA

1 stop9h 36mFrontier

Deal found 7/29

$143

Sun 8/171:00 pmDCA - SEA

1 stop8h 46mFrontier

Deal found 7/28

$143

Sat 8/305:52 pmIAD - SEA

1 stop18h 33mAlaska Airlines

Deal found 7/29

$144

Thu 10/1611:52 amIAD - SEA

1 stop8h 33mSun Country Air

Deal found 7/28

$145

Tue 8/262:25 pmIAD - SEA

1 stop9h 30mSouthwest

Deal found 7/29

$149

Wed 9/104:40 pmDCA - SEA

2 stops9h 30mSouthwest

Deal found 7/28

$154

Fri 10/39:59 amDCA - SEA

1 stop11h 49mHawaiian Airlines

Deal found 7/29

$158

Tue 8/267:35 amIAD - SEA

Nonstop5h 45mDelta

Deal found 7/28

$159

Wed 9/104:59 pmDCA - SEA

Nonstop5h 51mDelta

Deal found 7/28

$159

Mon 8/258:00 amDCA - SEA

Nonstop5h 45mAlaska Airlines

Deal found 7/29

$166

Tue 8/264:36 pmIAD - SEA

1 stop8h 24mAmerican Airlines

Deal found 7/28

$167

Mon 8/256:09 pmIAD - SEA

Nonstop5h 42mHawaiian Airlines

Deal found 7/27

$175

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sat 8/23

5:06 pm-7:56 pm

Nonstop5h 50m

Seattle/Tacoma Intl

Sat 8/30

8:00 am-8:59 pm

1 stop9h 59m

$251

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Tue 10/21

6:00 pm-11:02 pm

1 stop8h 02m

Seattle/Tacoma Intl

Sat 10/25

6:00 am-5:01 pm

1 stop8h 01m

$254

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 8/27

7:00 am-9:40 am

Nonstop5h 40m

Seattle/Tacoma Intl

Sat 9/6

9:05 am-5:09 pm

Nonstop5h 04m

$257

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sat 8/23

4:59 pm-7:50 pm

Nonstop5h 51m

Seattle/Tacoma Intl

Sat 8/30

7:20 am-3:25 pm

Nonstop5h 05m

$257

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sat 9/20

7:00 am-9:38 am

Nonstop5h 38m

Seattle/Tacoma Intl

Sat 9/27

4:20 pm-12:23 am

Nonstop5h 03m

$263

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Mon 8/18

7:35 am-10:20 am

Nonstop5h 45m

Seattle/Tacoma Intl

Tue 8/26

9:55 pm-5:55 am

Nonstop5h 00m

$287

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sat 9/20

2:21 pm-8:05 pm

1 stop8h 44m

Seattle/Tacoma Intl

Sat 9/27

5:26 am-4:47 pm

1 stop8h 21m

$295

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Thu 8/14

7:30 am-2:06 pm

1 stop9h 36m

Seattle/Tacoma Intl

Mon 8/18

3:11 pm-6:34 am

1 stop12h 23m

$298

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sat 8/30

6:00 pm-11:41 pm

1 stop8h 41m

Seattle/Tacoma Intl

Sat 8/30

12:46 am-11:00 am

1 stop7h 14m

$301

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Tue 8/26

2:25 pm-8:55 pm

1 stop9h 30m

Seattle/Tacoma Intl

Wed 8/27

7:00 am-10:05 pm

2 stops12h 05m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 29 results

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

Have a flexible travel schedule? Discover the best time to fly to Seattle from District of Columbia 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 District of Columbia to Seattle

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

Currently, January is the cheapest month in which you can book a flight from District of Columbia to Seattle (average of $238). Flying from District of Columbia to Seattle in June is currently the most expensive (average of $389). 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 DC to SEA?

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

Weekly flight availability from District of Columbia to Seattle

The most flights from USDC to SEA are scheduled on a Tuesday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from District of Columbia to Seattle, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Southwest

8.0

Very good

4,238 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Delta

8.0

Very good

7,979 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Hawaiian Airlines

7.8

Good

2,605 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

United Airlines

7.4

Good

8,896 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Related info for your journey

What airport do you fly into for flights to Seattle from District of Columbia?
Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from District of Columbia. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.
How popular is this District of Columbia to Seattle flight route?
This flight path from District of Columbia to Seattle/Tacoma Intl was viewed by 29 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines to fly from District of Columbia to Seattle one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $143. However, be on the lookout for offers from Alaska Airlines and Sun Country Air, as they are both options that can get you from District of Columbia to Seattle for a low price.
What are the most reliable airlines from District of Columbia to Seattle?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from District of Columbia to Seattle on time: Finnair (94%), Southwest (67%), Alaska Airlines (63%).
What are the cheapest flights from District of Columbia to Seattle?
The cheapest flight price from District of Columbia to Seattle is $138. On average you can expect to pay $1,257. The most popular route, (Washington, D.C. Reagan-National - Seattle/Tacoma Intl), can usually be booked for $263.
Can I find deals for flights from District of Columbia to Seattle that include hotel bookings?
Yes. In addition to deals on District of Columbia to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from District of Columbia to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Seattle.
Can I find deals for business class flights from District of Columbia to Seattle?
Yes. Cheapflights offers flight deals from District of Columbia to Seattle 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 District of Columbia to Seattle?
Currently, January is the cheapest month in which you can book a flight from District of Columbia to Seattle (average of $238). Flying from District of Columbia to Seattle in June is currently the most expensive (average of $389). 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

SeaTac

Tukwila

Tacoma

Ocean Shores

Lakewood

Lynnwood

Lacey

Leavenworth

Renton

Olympia

Puyallup

Kent

Cle Elum

Chehalis

Kirkland

Issaquah

Aberdeen

Shoreline

Federal Way

Shelton

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Top 9 airlines flying from District of Columbia to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$103	Average$264	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$111	Average$252	FlexibilityNo cancel fee	On-time62%
Sun Country Air	Cheapest$144	Average$386	FlexibilityNo cancel fee	On-time83%
Hawaiian Airlines	Cheapest$168	Average$453	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$206	Average$379	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$206	Average$457	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$260	Average$486	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$262	Average$481	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$276	Average$429	FlexibilityNo cancel fee	On-time69%

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$143+ Cheap flights from District of Columbia to Seattle (SEA)

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from District of Columbia to Seattle with Cheapflights

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Cheap flight deals from District of Columbia to Seattle

Keep the following information in mind while searching for District of Columbia to Seattle flight deals. Data was last updated July 29, 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 District of Columbia to Seattle

Cheapest flights from District of Columbia to SeattleExplore the most affordable flight options available from District of Columbia to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from District of Columbia to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

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

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

Find hourly flight availability from District of Columbia to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Weekly flight availability from District of Columbia to Seattle

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from District of Columbia to Seattle, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Seattle. 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 into for flights to Seattle from District of Columbia?

How popular is this District of Columbia to Seattle flight route?

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

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

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

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

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

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

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

Traveling to a place near Seattle?

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Alternative routes for District of Columbia to Seattle

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

Top 9 airlines flying from District of Columbia to Seattle

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Cheapest flights from District of Columbia to Seattle
Explore the most affordable flight options available from District of Columbia to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.