$82+ Cheap flights from Seattle (SEA) to Washington, D.C. (WAS)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — WAS
Jul 27 — Aug 31

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The best prices from Seattle/Tacoma Intl to Washington, D.C. are usually found in February or September, booked 90 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Seattle to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 22, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$157
(FareScan)

One-way from

$82
(mytrip.com)
High demand for flights, 17% potential price rise
Best time to find cheap flights, 17% potential price drop
From Seattle/Tacoma Intl to Washington, D.C. (WAS)
One-way flight from Seattle/Tacoma Intl to Washington, D.C. (WAS)

What is the cheapest day to fly round-trip from Seattle to Washington, D.C.?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 16%.

How far in advance should I book a flight from Seattle to Washington, D.C.?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 58 days in advance, which can save you up to 72% on flights from Seattle to Washington, D.C. compared to booking the week you need them. Waiting 58 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $442. For sooner than that we have options available in the next 3 days from $635.

What is the cheapest month to fly from Seattle to Washington, D.C.?

February is one of the best times of the year to fly to Washington, D.C. from Seattle. Prices for February average $395 per person but you can even find prices for as low as $125. The most expensive prices can be found in the month of June. Opting for a February flight can save you 20% on your journey compared to booking in June

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

When flying from Seattle to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 18% versus a flight at noon.

Cheap Seattle to Washington, D.C. flights in July & August 2024

Find cheap flight options from Seattle to Washington, D.C. specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,674,588 searches. Prices were last updated on July 22, 2024.
Check out some of the best flight deals from Seattle to Washington, D.C. in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/148:57 pmSEA - DCA
1 stop12h 12mFrontier
Sat 8/1712:59 pmDCA - SEA
1 stop9h 03mFrontier
Deal found 7/21$169
This CheapOair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/206:15 pmSEA - DCA
1 stop20h 54mFrontier
Tue 8/277:00 amDCA - SEA
1 stop27h 04mFrontier
Deal found 7/21$179
This Trip.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/148:57 pmSEA - DCA
1 stop22h 01mFrontier
Mon 8/197:00 amDCA - SEA
1 stop28h 38mFrontier
Deal found 7/21$187
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/168:04 amSEA - DCA
1 stop10h 55mFrontier
Mon 8/1912:59 pmDCA - SEA
1 stop11h 00mFrontier
Deal found 7/21$188
This CheapOair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/157:26 pmSEA - DCA
1 stop23h 33mFrontier
Fri 8/236:59 pmDCA - SEA
1 stop15h 05mFrontier
Deal found 7/21$198
This CheapOair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/168:58 pmSEA - DCA
1 stop12h 11mFrontier
Sun 8/187:00 amDCA - SEA
1 stop27h 04mFrontier
Deal found 7/21$218
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/139:38 amSEA - DCA
1 stop9h 20mFrontier
Tue 8/207:00 amDCA - SEA
1 stop13h 15mFrontier
Deal found 7/21$224
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/68:30 pmSEA - DCA
1 stop12h 39mFrontier
Tue 8/137:00 amDCA - SEA
1 stop13h 15mFrontier
Deal found 7/22$228
This deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1512:35 amSEA - IAD
1 stop19h 58mDelta
Tue 8/207:25 amIAD - SEA
Nonstop5h 46mDelta
Deal found 7/21$232

Seattle to Washington, D.C. 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Washington, D.C. in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,674,588 searches. Data last updated July 22, 2024.
Check out some of the best flight deals from Seattle to Washington, D.C. in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/59:46 pmSEA - DCA
1 stop21h 13mFrontier
Wed 9/117:00 amDCA - SEA
1 stop28h 01mFrontier
Deal found 7/21$168
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/148:57 pmSEA - DCA
1 stop12h 12mFrontier
Sat 8/1712:59 pmDCA - SEA
1 stop9h 03mFrontier
Deal found 7/21$169
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/59:46 pmSEA - DCA
1 stop11h 23mFrontier
Sun 9/812:59 pmDCA - SEA
1 stop10h 47mFrontier
Deal found 7/21$177
This CheapOair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/206:15 pmSEA - DCA
1 stop20h 54mFrontier
Tue 8/277:00 amDCA - SEA
1 stop27h 04mFrontier
Deal found 7/21$179
This mytrip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/179:01 amSEA - DCA
1 stop9h 58mFrontier
Sun 9/2212:59 pmDCA - SEA
1 stop10h 47mFrontier
Deal found 7/22$184
This deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/57:07 amSEA - IAD
Nonstop5h 09mAlaska Airlines
Wed 9/114:16 pmIAD - SEA
1 stop10h 26mAlaska Airlines
Deal found 7/21$186
This Trip.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/148:57 pmSEA - DCA
1 stop22h 01mFrontier
Mon 8/197:00 amDCA - SEA
1 stop28h 38mFrontier
Deal found 7/21$187
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/168:04 amSEA - DCA
1 stop10h 55mFrontier
Mon 8/1912:59 pmDCA - SEA
1 stop11h 00mFrontier
Deal found 7/21$188
This deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/55:30 amSEA - DCA
2 stops11h 48mAmerican Airlines
Wed 9/1110:14 amDCA - SEA
2 stops12h 17mAmerican Airlines
Deal found 7/21$189

Seattle to Washington, D.C. flights leaving soon

Find last-minute flight options from Seattle to Washington, D.C. for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,674,588 searches. Data last updated July 22, 2024.
Have a look at some of the last-minute flights available departing from Seattle to Washington, D.C.. It's wise to confirm all flight details are correct before booking.
This eDestinos deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/299:21 pmSEA - BWI
1 stop13h 14mSpirit Airlines
Wed 8/217:00 amBWI - SEA
1 stop20h 10mSpirit Airlines
Deal found 7/21$185
This eDestinos deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/299:21 pmSEA - BWI
1 stop13h 14mSpirit Airlines
Wed 8/2112:24 pmBWI - SEA
2 stops24h 45mSpirit Airlines
Deal found 7/21$195
This CheapOair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/3010:10 pmSEA - BWI
1 stop12h 25mSpirit Airlines
Wed 8/148:10 amBWI - SEA
1 stop10h 08mSpirit Airlines
Deal found 7/21$214
This CheapOair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/19:21 pmSEA - BWI
1 stop13h 04mMultiple Airlines
Tue 8/69:59 pmBWI - SEA
1 stop12h 01mMultiple Airlines
Deal found 7/21$215
This FareScan deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/318:55 pmSEA - BWI
1 stop13h 30mSpirit Airlines
Tue 8/137:42 amBWI - SEA
2 stops19h 53mSpirit Airlines
Deal found 7/21$218
This CheapOair deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/3010:10 pmSEA - BWI
1 stop12h 25mSpirit Airlines
Sat 8/35:31 pmBWI - SEA
2 stops20h 08mSpirit Airlines
Deal found 7/22$219
This mytrip.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/299:21 pmSEA - BWI
1 stop13h 14mSpirit Airlines
Wed 8/217:10 amBWI - SEA
3 stops29h 59mSpirit Airlines
Deal found 7/21$228
This Cheapflightsfares deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/318:55 pmSEA - BWI
1 stop13h 30mSpirit Airlines
Tue 8/137:42 amBWI - SEA
1 stop11h 33mSpirit Airlines
Deal found 7/21$232
This Cheapflightsfares deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/19:21 pmSEA - BWI
1 stop13h 04mSpirit Airlines
Sun 8/411:53 pmBWI - SEA
1 stop19h 22mSpirit Airlines
Deal found 7/21$236

One-way flights to Washington, D.C. from Seattle

Search for one-way flight options from Seattle to Washington, D.C.. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,674,588 searches. Data last updated July 22, 2024.
Take a look at some of the best available options we've come across on one-way flights from Seattle to Washington, D.C.. Users needing a return flight from Seattle to Washington, D.C. should utilize the search form above.
This mytrip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/239:01 amSEA - DCA
1 stop9h 58mFrontier
Deal found 7/22$82
This FareScan deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/215:45 amSEA - BWI
2 stops16h 14mSpirit Airlines
Deal found 7/20$83
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/249:01 amSEA - DCA
1 stop9h 58mFrontier
Deal found 7/21$84
This Cheapflightsfares deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/285:45 amSEA - BWI
1 stop9h 44mSpirit Airlines
Deal found 7/21$86
This mytrip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/88:26 pmSEA - DCA
1 stop18h 43mFrontier
Deal found 7/22$86
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/105:30 amSEA - BWI
1 stop12h 46mSpirit Airlines
Deal found 7/21$87
This mytrip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/159:37 amSEA - DCA
1 stop9h 22mFrontier
Deal found 7/22$87
This mytrip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/285:45 amSEA - BWI
2 stops16h 14mSpirit Airlines
Deal found 7/22$88
This CheapOair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/318:04 amSEA - DCA
1 stop7h 05mFrontier
Deal found 7/21$89

Find flights from Seattle to Washington, D.C. within your budget

Customize your flight search to find flights from Seattle to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,674,588 searches. Data last updated July 22, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$157 - $311

Route

Depart

Return

Price

Seattle/Tacoma IntlBaltimore/Washington

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Tue 8/20

2 stops12h 52m

Baltimore/Washington

Tue 8/27

2 stops23h 43m

$157

Seattle/Tacoma IntlWashington, D.C. Reagan-National

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Thu 9/5

1 stop21h 13m

Washington, D.C. Reagan-National

Wed 9/11

1 stop28h 01m

$168

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 9/5

Nonstop5h 09m

Washington, D.C. Dulles Intl

Wed 9/11

1 stop10h 26m

$186

Seattle/Tacoma IntlWashington, D.C. Reagan-National

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Thu 9/5

2 stops11h 48m

Washington, D.C. Reagan-National

Wed 9/11

2 stops12h 17m

$189

Seattle/Tacoma IntlBaltimore/Washington

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Fri 8/2

2 stops16h 45m

Baltimore/Washington

Tue 8/6

1 stop12h 01m

$194

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 9/18

1 stop8h 30m

Washington, D.C. Dulles Intl

Thu 9/19

1 stop9h 06m

$205

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 8/15

1 stop19h 58m

Washington, D.C. Dulles Intl

Tue 8/20

Nonstop5h 46m

$232

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 10/24

1 stop14h 26m

Washington, D.C. Dulles Intl

Sun 10/27

1 stop8h 31m

$270

Seattle/Tacoma IntlWashington, D.C. Reagan-National

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Thu 9/5

1 stop10h 01m

Washington, D.C. Reagan-National

Wed 9/11

2 stops13h 07m

$311

Flights are sorted by cheapest first

Deals found on 7/21

How far ahead should I book a flight from Seattle to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Washington, D.C.. Price data was last updated on July 19, 2024.
The price you pay for your flight from Seattle to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from Seattle to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Washington, D.C.. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Washington, D.C. flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Seattle to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Temperature and rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

35.6 - 80.6 °F

If weather is an important factor for your trip to Washington, D.C., 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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated July 22, 2024.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Seattle to Washington, D.C. have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,364 reviews

Comfort

7.9

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

8.1
Very good
9,364 reviews
8.1
Very good
9,364 reviews

Comfort

7.9

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

8.0
Very good
9,684 reviews
8.1
Very good
9,364 reviews

Comfort

7.9

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

7.6
Good
4,024 reviews
8.1
Very good
9,364 reviews

Comfort

7.9

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

7.4
Good
10,000 reviews
8.1
Very good
9,364 reviews

Comfort

7.9

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

7.4
Good
2,754 reviews
8.1
Very good
9,364 reviews

Comfort

7.9

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Washington, D.C.. 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 Washington, D.C.?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Washington, D.C.. 8 airlines have flights from Seattle/Tacoma Intl to Washington, D.C. on a regular basis. Booking flights from Seattle/Tacoma Intl to Washington, D.C. should not be difficult; the airport handles an average of 21 outbound flights to Washington, D.C. per day.

  • Can I find flights from Seattle to Washington, D.C. for under $200 on Cheapflights?

    Yes, there are multiple flights from Seattle to Washington, D.C. for under $200. The cheapest flight booked recently is on Spirit Airlines for just $157, but on average you can expect to pay $173.

  • Are there nonstop flights from Seattle to Washington, D.C. for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Seattle to Washington, D.C. under $300. A good price for a nonstop flight from Seattle to Washington, D.C. is less than $293.

  • Are there last-minute flights available from Seattle to Washington, D.C. for under $200?

    There are currently 20+ open flights from Seattle to Washington, D.C. within the next 7 days for less than $200.

  • What days are nonstop flights available from Seattle to Washington, D.C.?

    Days when nonstop flights are available for this flight are: Tuesday, Thursday, Friday.

  • How many flights depart from Seattle to Washington, D.C. on average per day?

    Per day, 4 flights depart from Seattle to Washington, D.C. on average.
    Morning (6am - Noon) - 50% of flight departures
    Afternoon (Noon - 6pm) - 50% of flight departures

  • How long is the flight from Seattle to Washington, D.C.?

    A quick flight from Seattle to Washington, D.C. can take about 5h 09m. Spirit Airlines provides one of the quickest options available for as low as $157. The distance between Seattle and Washington, D.C. is about 2313 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Seattle to Washington, D.C. round-trip?

    Our cheapest airline available from Seattle to Washington, D.C. is Spirit Airlines. Our recent data shows that you can find tickets from as low as $157 on this airline. Additional options worth looking into are Frontier and Alaska Airlines, starting at $168 and $186 round-trip. Spirit Airlines is currently priced 60% below the average price you’ll pay for this route.

  • What are the most popular routes from Seattle to Washington, D.C.?

  • What are the most reliable airlines from Seattle to Washington, D.C.?

    No one likes to see their flight delayed. When booking a flight from Seattle to Washington, D.C. consider choosing Iberia (94%), Austrian Airlines (87%) or Brussels Airlines (87%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Washington, D.C.?

    While on average a flight from Seattle to Washington, D.C. is generally $773, our data shows the cheapest flight currently is $144. When looking at the most popular route, (Seattle/Tacoma Intl - Washington, D.C. Dulles Intl), you can expect to pay $254 for that flight.

  • What does SEA to IAD mean?

    SEA stands for Seattle/Tacoma Intl Airport, while IAD stands for Washington, D.C. Dulles Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA) are other airports near this flight route and their unique identifiers/IATA codes.

  • Where are the most common layover locations when flying from Seattle to Washington, D.C.?

  • What are some popular things to do or see while on a layover in Chicago?

    Magnificent Mile, Grant Park, and River North are the most popular attractions in Chicago if you're in need of something to do during your layover. Magnificent Mile, Grant Park, and River North can be visited by traveling about 15.5 mi, 16.2 mi, and 15.0 mi respectively from Chicago O'Hare Intl. Those on a layover in Chicago in need of a rental car can book one at Chicago O'Hare Intl for about $69.

  • Where are the least popular layover locations for Seattle to Washington, D.C. flights?

  • Can I find deals for flights from Seattle to Washington, D.C. that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Washington, D.C. flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Washington, D.C. with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Washington, D.C. flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Seattle to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Washington, D.C.?

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

  • Can I find deals for business class flights from Seattle to Washington, D.C.?

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

  • Can I find deals for flights from Seattle to Washington, D.C. that allow pets onboard?

    Many airlines flying from Seattle to Washington, D.C. offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Washington, D.C.?

    Yes, you can often find last-minute deals on Seattle to Washington, D.C. flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Washington, D.C. flight deals updated?

    The Seattle to Washington, D.C. flight deals you see on this page were last updated on 7/22.

  • What are the most popular airlines that fly from Seattle to Washington, D.C.?

  • What is the cheapest month to book a flight from Seattle to Washington, D.C.?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Washington, D.C. (average of $278). Flying from Seattle to Washington, D.C. in June is currently the most expensive (average of $378). 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.

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Top 8 airlines flying from Seattle to Washington, D.C.

Discover the top 8 airlines that operate flights from Seattle to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,674,588 searches. Data last updated July 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$105Average$243FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$114Average$307FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$457FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$134Average$267FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$159Average$484FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$218Average$402FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$225Average$440FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$286Average$506