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

The Seattle/Tacoma Intl to District of Columbia flight path was viewed by 9 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 Seattle to District of Columbia one-way?

For one-way options, check prices for Delta. According to our data, you can fly for as low as $144. Users have also found prices from $145 and $149 on Sun Country Air and Hawaiian Airlines, respectively.

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

While on average a flight from Seattle to District of Columbia is generally $358, our data shows the cheapest flight currently is $149. When looking at the most popular route, (Seattle/Tacoma Intl - Washington, D.C. Dulles Intl), you can expect to pay $261 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: Alaska Airlines (84%), Air Tahiti Nui (84%), Hawaiian Airlines( 79%).

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 69% on this flight, we recommend booking at least 55 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 $552 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 $403 per person but you can even find prices for as low as $203. 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.

$144+ Flights from Seattle to District of Columbia

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Cheap flight deals from Seattle to District of Columbia

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$208 (CheapOair)
One-way from	$144 (Delta)
Popular in	December
Cheapest in	September
Average price	$397
Good round-trip deal	$323 or less
Good one-way deal	$190 or less

Provider with most accurate pricing for Seattle/Tacoma Intl-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Washington, D.C. (WAS) flights.

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From Seattle/Tacoma Intl to District of Columbia

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

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($29 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 April 2025

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

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

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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 April 15, 2025.

Fri 5/96:00 amSEA - DCA

1 stop12h 59mFrontier

Sun 5/117:00 amDCA - SEA

1 stop20h 44mFrontier

Deal found 4/15

$246

Thu 5/88:22 pmSEA - IAD

1 stop31h 09mFrontier

Sun 5/117:31 amIAD - SEA

1 stop13h 29mFrontier

Deal found 4/14

$248

Sat 5/101:50 pmSEA - DCA

Nonstop5h 09mMultiple Airlines

Mon 5/121:00 pmDCA - SEA

1 stop14h 44mMultiple Airlines

Deal found 4/15

$253

Mon 5/54:24 pmSEA - IAD

Nonstop4h 59mMultiple Airlines

Thu 5/87:45 amIAD - SEA

1 stop13h 15mMultiple Airlines

Deal found 4/14

$253

Thu 5/2911:59 pmSEA - IAD

1 stop8h 54mSun Country Air

Thu 6/512:40 pmIAD - SEA

1 stop13h 10mSun Country Air

Deal found 4/14

$285

Sat 5/107:35 amSEA - DCA

Nonstop5h 14mDelta

Tue 5/134:59 pmDCA - SEA

Nonstop5h 51mDelta

Deal found 4/14

$287

Mon 5/510:30 pmSEA - IAD

Nonstop4h 50mDelta

Tue 5/137:45 amIAD - SEA

Nonstop5h 48mDelta

Deal found 4/14

$287

Sat 5/101:50 pmSEA - DCA

Nonstop5h 09mHawaiian Airlines

Wed 5/149:59 amDCA - SEA

1 stop10h 04mHawaiian Airlines

Deal found 4/14

$297

Tue 5/1311:40 pmSEA - IAD

Nonstop5h 03mAlaska Airlines

Tue 5/205:14 pmIAD - SEA

1 stop20h 10mAlaska Airlines

Deal found 4/14

$297

Mon 5/56:00 amSEA - IAD

1 stop8h 59mHawaiian Airlines

Tue 5/137:13 pmIAD - SEA

Nonstop5h 47mHawaiian Airlines

Deal found 4/14

$301

Sat 5/241:48 pmSEA - DCA

Nonstop5h 11mAlaska Airlines

Sat 5/319:59 amDCA - SEA

1 stop11h 52mAlaska Airlines

Deal found 4/14

$307

Mon 5/59:35 amSEA - DCA

1 stop8h 05mSouthwest

Fri 5/94:35 pmDCA - SEA

2 stops10h 55mSouthwest

Deal found 4/14

$312

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 April 15, 2025.

Thu 4/246:00 amSEA - DCA

1 stop12h 59mFrontier

Fri 4/251:00 pmDCA - SEA

1 stop14h 44mFrontier

Deal found 4/15

$208

Sat 5/101:50 pmSEA - DCA

Nonstop5h 09mMultiple Airlines

Mon 5/121:00 pmDCA - SEA

1 stop14h 44mMultiple Airlines

Deal found 4/15

$253

Thu 5/2911:59 pmSEA - IAD

1 stop8h 54mSun Country Air

Thu 6/512:40 pmIAD - SEA

1 stop13h 10mSun Country Air

Deal found 4/14

$285

Sat 5/107:35 amSEA - DCA

Nonstop5h 14mDelta

Tue 5/134:59 pmDCA - SEA

Nonstop5h 51mDelta

Deal found 4/14

$287

Mon 5/54:24 pmSEA - IAD

Nonstop4h 59mAlaska Airlines

Thu 5/86:30 amIAD - SEA

Nonstop5h 43mAlaska Airlines

Deal found 4/14

$287

Sat 5/101:50 pmSEA - DCA

Nonstop5h 09mHawaiian Airlines

Wed 5/149:59 amDCA - SEA

1 stop10h 04mHawaiian Airlines

Deal found 4/14

$297

Mon 5/55:35 amSEA - IAD

1 stop9h 20mSouthwest

Tue 5/135:30 pmIAD - SEA

1 stop9h 20mSouthwest

Deal found 4/14

$307

Sat 5/2411:59 pmSEA - IAD

1 stop8h 33mUnited Airlines

Tue 5/2712:50 pmIAD - SEA

Nonstop5h 48mUnited Airlines

Deal found 4/14

$318

Sun 5/41:10 amSEA - DCA

1 stop8h 35mAmerican Airlines

Thu 5/86:40 amDCA - SEA

1 stop8h 48mAmerican Airlines

Deal found 4/14

$362

Thu 5/88:22 pmSEA - IAD

1 stop31h 09mFrontier

Sun 5/117:31 amIAD - SEA

1 stop13h 29mFrontier

Deal found 4/15

$248

Mon 5/54:24 pmSEA - IAD

Nonstop4h 59mMultiple Airlines

Thu 5/87:45 amIAD - SEA

1 stop13h 15mMultiple Airlines

Deal found 4/14

$253

Wed 5/219:50 pmSEA - IAD

Nonstop5h 02mDelta

Tue 5/277:45 amIAD - SEA

Nonstop5h 48mDelta

Deal found 4/15

$292

Last-minute flights from Seattle to District of Columbia
Discover last-minute flight deals from Seattle to District of Columbia. Data last updated April 15, 2025 and is based on user searches.

Mon 4/219:40 pmSEA - IAD

Nonstop4h 54mMultiple Airlines

Fri 5/28:01 amIAD - SEA

1 stop13h 01mMultiple Airlines

Deal found 4/15

$454

Mon 4/219:15 pmSEA - IAD

1 stop16h 23mAlaska Airlines

Fri 5/25:38 pmIAD - SEA

1 stop9h 17mAlaska Airlines

Deal found 4/15

$603

Tue 4/227:15 amSEA - IAD

2 stops28h 12mUnited Airlines

Wed 4/235:30 pmIAD - SEA

Nonstop5h 51mUnited Airlines

Deal found 4/14

$428

Wed 4/2310:30 pmSEA - IAD

Nonstop4h 50mDelta

Mon 5/57:25 amIAD - SEA

Nonstop5h 55mDelta

Deal found 4/15

$488

Wed 4/237:20 amSEA - IAD

1 stop9h 21mAmerican Airlines

Mon 5/55:07 pmIAD - SEA

1 stop10h 38mAmerican Airlines

Deal found 4/14

$508

Wed 4/237:25 amSEA - DCA

Nonstop5h 06mDelta

Mon 5/54:50 pmDCA - SEA

Nonstop6h 01mDelta

Deal found 4/15

$523

Wed 4/231:50 pmSEA - DCA

Nonstop5h 09mAlaska Airlines

Mon 5/59:59 amDCA - SEA

1 stop11h 51mAlaska Airlines

Deal found 4/15

$532

Thu 4/246:00 amSEA - DCA

1 stop27h 09mFrontier

Sun 4/276:00 pmDCA - SEA

1 stop20h 35mFrontier

Deal found 4/14

$330

Thu 4/246:00 amSEA - DCA

1 stop7h 59mMultiple Airlines

Mon 4/288:00 amDCA - SEA

Nonstop5h 40mMultiple Airlines

Deal found 4/14

$364

Thu 4/246:25 pmSEA - IAD

1 stop14h 58mSun Country Air

Mon 4/2811:37 amIAD - SEA

1 stop8h 22mSun Country Air

Deal found 4/14

$495

Thu 4/2412:40 pmSEA - IAD

1 stop7h 00mSouthwest

Wed 5/217:50 amIAD - SEA

2 stops11h 35mSouthwest

Deal found 4/14

$555

Thu 4/249:35 amSEA - DCA

1 stop8h 05mSouthwest

Wed 5/213:30 pmDCA - SEA

2 stops11h 00mSouthwest

Deal found 4/14

$588

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 April 15, 2025.

Sun 5/117:35 amSEA - DCA

Nonstop5h 14mDelta

Deal found 4/14

$144

Mon 5/129:50 pmSEA - IAD

Nonstop5h 02mDelta

Deal found 4/15

$144

Wed 5/216:33 pmSEA - IAD

1 stop14h 14mSun Country Air

Deal found 4/14

$145

Wed 5/286:00 amSEA - IAD

1 stop20h 55mMultiple Airlines

Deal found 4/14

$146

Wed 5/284:00 pmSEA - IAD

Nonstop4h 59mHawaiian Airlines

Deal found 4/14

$149

Sat 5/174:59 pmSEA - IAD

1 stop9h 56mAlaska Airlines

Deal found 4/15

$153

Mon 5/121:10 amSEA - DCA

1 stop8h 31mAmerican Airlines

Deal found 4/13

$154

Wed 5/75:22 amSEA - IAD

1 stop7h 55mAmerican Airlines

Deal found 4/14

$154

Fri 6/139:50 pmSEA - DCA

1 stop7h 49mJetBlue

Deal found 4/14

$155

Thu 5/293:11 pmSEA - IAD

1 stop11h 44mFrontier

Deal found 4/14

$155

Tue 6/177:00 amSEA - DCA

1 stop10h 59mAlaska Airlines

Deal found 4/14

$158

Tue 5/271:49 pmSEA - IAD

1 stop7h 41mUnited Airlines

Deal found 4/14

$159

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

Fri 5/9

6:00 am-9:59 pm

1 stop12h 59m

Washington, D.C. Reagan-National

Sun 5/11

7:00 am-12:44 am

1 stop20h 44m

$246

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 5/8

8:22 pm-6:31 am

1 stop31h 09m

Washington, D.C. Dulles Intl

Sun 5/11

7:31 am-6:00 pm

1 stop13h 29m

$248

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Sat 5/10

1:50 pm-9:59 pm

Nonstop5h 09m

Washington, D.C. Reagan-National

Mon 5/12

1:00 pm-12:44 am

1 stop14h 44m

$253

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Mon 5/5

4:24 pm-12:23 am

Nonstop4h 59m

Washington, D.C. Dulles Intl

Thu 5/8

7:45 am-6:00 pm

1 stop13h 15m

$253

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 5/29

11:59 pm-11:53 am

1 stop8h 54m

Washington, D.C. Dulles Intl

Thu 6/5

12:40 pm-10:50 pm

1 stop13h 10m

$285

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Sat 5/10

7:35 am-3:49 pm

Nonstop5h 14m

Washington, D.C. Reagan-National

Tue 5/13

4:59 pm-7:50 pm

Nonstop5h 51m

$287

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Mon 5/5

4:24 pm-12:23 am

Nonstop4h 59m

Washington, D.C. Dulles Intl

Thu 5/8

6:30 am-9:13 am

Nonstop5h 43m

$287

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 5/21

9:50 pm-5:52 am

Nonstop5h 02m

Washington, D.C. Dulles Intl

Tue 5/27

7:45 am-10:33 am

Nonstop5h 48m

$292

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Sat 5/10

1:50 pm-9:59 pm

Nonstop5h 09m

Washington, D.C. Reagan-National

Wed 5/14

9:59 am-5:03 pm

1 stop10h 04m

$297

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Mon 5/5

6:00 am-5:59 pm

1 stop8h 59m

Washington, D.C. Dulles Intl

Tue 5/13

7:13 pm-10:00 pm

Nonstop5h 47m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 34 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 $241). Flying from Seattle to District of Columbia in March is currently the most expensive (average of $290). 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 Friday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in District of Columbia by month

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.

Temperature in District of Columbia by month

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).

Reviews of airlines servicing District of Columbia

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Seattle to District of Columbia have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,871 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

9,871 reviews

Alaska Airlines

8.0

Very good

9,871 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

4,279 reviews

Alaska Airlines

8.0

Very good

9,871 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

7,917 reviews

Alaska Airlines

8.0

Very good

9,871 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

7.9

Good

2,374 reviews

Alaska Airlines

8.0

Very good

9,871 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

8,656 reviews

Alaska Airlines

8.0

Very good

9,871 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.
How popular is this Seattle to District of Columbia flight route?
The Seattle/Tacoma Intl to District of Columbia flight path was viewed by 9 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 Seattle to District of Columbia one-way?
For one-way options, check prices for Delta. According to our data, you can fly for as low as $144. Users have also found prices from $145 and $149 on Sun Country Air and Hawaiian Airlines, 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: Alaska Airlines (84%), Air Tahiti Nui (84%), Hawaiian Airlines( 79%).
What are the cheapest flights from Seattle to District of Columbia?
While on average a flight from Seattle to District of Columbia is generally $358, our data shows the cheapest flight currently is $149. When looking at the most popular route, (Seattle/Tacoma Intl - Washington, D.C. Dulles Intl), you can expect to pay $261 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 $241). Flying from Seattle to District of Columbia in March is currently the most expensive (average of $290). 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 9 airlines flying from Seattle to District of Columbia

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$86	Average$233	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$143	Average$422	FlexibilityNo cancel fee	On-time85%
Sun Country Air	Cheapest$169	Average$534	FlexibilityNo cancel fee	On-time83%
Spirit Airlines	Cheapest$178	Average$267	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$196	Average$412	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$206	Average$449	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$242	Average$499	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$243	Average$431	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$296	Average$492	FlexibilityNo cancel fee	On-time63%

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$144+ 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 5/11. 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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2. Select your favorite providers

3. Compare prices and book

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 April 15, 2025.

Most accurate provider

Most trusted provider

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 April 15, 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 April 15, 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 April 15, 2025.

Weekly flight availability from Seattle to District of Columbia

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

Reviews of airlines servicing District of Columbia

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Seattle to District of Columbia have to say. In addition to providing an overall rating, users have also rated airlines 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 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?

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

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?

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Alternative routes for Seattle to District of Columbia

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Top 9 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 April 15, 2025.