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Washington, D.C.

$63+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — WAS
Oct 28 — Nov 41
Mon 10/28
Mon 11/4
1 adult, Economy
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SEA - WAS
Oct 28 - Nov 4

Find cheap flights from Seattle to Washington, D.C. with Cheapflights

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The best prices from Seattle/Tacoma Intl to Washington, D.C. are usually found in February or September, booked 65 days in advance, depart on a Thursday or Tuesday 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 October 23, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

February

Round-trip from

$127
(Flightnetwork)

One-way from

$63
(Cheapflightsfares)
Provider with most accurate pricing for Seattle/Tacoma Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Washington, D.C. (WAS) flights.
Search Deals
High demand for flights, 17% potential price rise
Search Deals
Best time to find cheap flights, 20% potential price drop
Search Deals
From Seattle/Tacoma Intl to Washington, D.C. (WAS)
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One-way flight from Seattle/Tacoma Intl to Washington, D.C. (WAS)
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Find flight deals from Seattle to Washington, D.C.

Cheapest flights from Seattle to Washington, D.C.
Explore the most affordable flight options available from Seattle to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2024.

This Delta deal was found by Cheapflights users on 10/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/139:25 amSEA - IAD
Nonstop5h 01mDelta
Sat 11/167:15 amIAD - SEA
Nonstop6h 13mDelta
Deal found 10/23$237
This CheapOair deal was found by Cheapflights users on 10/23. 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 11/2212:10 pmSEA - DCA
1 stop20h 56mFrontier
Sat 12/77:00 amDCA - SEA
1 stop31h 29mFrontier
Deal found 10/23$238
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1211:00 pmSEA - IAD
Nonstop5h 01mAlaska Airlines
Wed 11/139:00 amIAD - SEA
1 stop10h 48mAlaska Airlines
Deal found 10/22$241
This CheapOair deal was found by Cheapflights users on 10/22. 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 11/51:33 pmSEA - BWI
2 stops22h 37mMultiple Airlines
Mon 11/112:46 pmBWI - SEA
1 stop20h 29mMultiple Airlines
Deal found 10/22$246
This FareScan deal was found by Cheapflights users on 10/23. 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.
Thu 11/147:45 pmSEA - BWI
1 stop8h 33mSpirit Airlines
Tue 11/199:04 amBWI - SEA
2 stops34h 19mSpirit Airlines
Deal found 10/23$247
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/138:30 amSEA - IAD
2 stops10h 56mUnited Airlines
Tue 11/198:35 amIAD - SEA
Nonstop6h 00mUnited Airlines
Deal found 10/21$252
This Travelocity deal was found by Cheapflights users on 10/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/109:53 pmSEA - DCA
1 stop11h 17mMultiple Airlines
Wed 11/138:00 amDCA - SEA
Nonstop5h 58mMultiple Airlines
Deal found 10/22$253
This American Airlines deal was found by Cheapflights users on 10/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1212:59 amSEA - DCA
1 stop8h 18mAmerican Airlines
Tue 11/195:14 pmDCA - SEA
1 stop8h 52mAmerican Airlines
Deal found 10/23$256
This Southwest deal was found by Cheapflights users on 10/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/165:10 amSEA - DCA
2 stops9h 50mSouthwest
Tue 11/196:55 amDCA - SEA
1 stop8h 30mSouthwest
Deal found 10/22$261
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1210:36 amSEA - IAD
1 stop9h 16mAmerican Airlines
Tue 11/191:47 pmIAD - SEA
2 stops12h 19mAmerican Airlines
Deal found 10/22$261
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/147:11 pmSEA - DCA
2 stops10h 14mUnited Airlines
Tue 11/196:00 amDCA - SEA
1 stop9h 48mUnited Airlines
Deal found 10/23$277
This Southwest deal was found by Cheapflights users on 10/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1210:40 amSEA - IAD
1 stop9h 20mSouthwest
Wed 11/137:25 amIAD - SEA
2 stops17h 20mSouthwest
Deal found 10/22$281

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 2,499,819 searches. Data last updated October 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$127 - $410

Route

Depart

Return

Price

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

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Thu 11/14

1 stop23h 51m

Washington, D.C. Reagan-National

Wed 11/20

1 stop15h 28m

$127

Seattle/Tacoma IntlBaltimore/Washington

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Thu 11/7

1 stop13h 12m

Baltimore/Washington

Mon 11/11

1 stop20h 29m

$147

Seattle/Tacoma IntlBaltimore/Washington

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Sun 11/3

1 stop9h 29m

Baltimore/Washington

Sun 11/10

1 stop13h 17m

$166

Seattle/Tacoma IntlBaltimore/Washington

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Thu 12/5

1 stop22h 42m

Baltimore/Washington

Sat 12/7

1 stop21h 40m

$212

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

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Thu 11/14

1 stop10h 59m

Washington, D.C. Reagan-National

Wed 11/20

2 stops17h 20m

$218

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Tue 11/12

Nonstop5h 01m

Washington, D.C. Dulles Intl

Wed 11/13

Nonstop5h 50m

$231

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 11/13

Nonstop4h 58m

Washington, D.C. Dulles Intl

Tue 11/19

Nonstop6h 13m

$237

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 11/13

2 stops10h 56m

Washington, D.C. Dulles Intl

Tue 11/19

Nonstop6h 00m

$252

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

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Tue 11/12

1 stop7h 04m

Washington, D.C. Reagan-National

Sat 11/16

1 stop8h 38m

$256

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

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Sat 11/16

2 stops9h 50m

Washington, D.C. Reagan-National

Tue 11/19

1 stop8h 30m

$261

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

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Sun 3/9

1 stop10h 44m

Washington, D.C. Reagan-National

Wed 3/19

1 stop9h 23m

$310

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 11/27

1 stop8h 26m

Washington, D.C. Dulles Intl

Fri 11/29

1 stop7h 48m

$410

Flights are sorted by cheapest first

Deals found on 10/22

Compare providers for flights from Seattle to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Washington, D.C. in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy2 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
CheapflightsfaresPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
PricelinePrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
AranGrantPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
MytripPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
GotogatePrice Accuracy2 starsTrust Score*3 starsCancellation PolicyAirline Policy
Booking.comPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
Kiwi.comPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyNo Information

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Seattle to Washington, D.C.

Get recent, data-driven insights about flights from Seattle to Washington, D.C. including ideal travel times, pricing trends, and more.

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 October 18, 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 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Find deals

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

Currently, August is the cheapest month in which you can book a flight from Seattle to Washington, D.C. (average of $241). Flying from Seattle to Washington, D.C. in January is currently the most expensive (average of $272). 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 WAS?

Find hourly flight availability from Seattle to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 23, 2024.

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 afternoon, which can drop the price by up to 18% versus a flight at noon.

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 October 20, 2024.

Travelers seeking maximum savings on their Seattle to Washington, D.C. flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Find deals

Weekly flight availability from Seattle to Washington, D.C.

Explore weekly flight availability from Seattle to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 23, 2024.

The most flights from SEA to WAS are scheduled on a Wednesday (31 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Washington, D.C. by month

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

In terms of precipitation, rainfall in Washington, D.C. 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 Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

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

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 October 23, 2024.
See what other customers who have flown with Southwest, 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.
Southwest
8.1
Very good
5,156 reviews

Boarding

8.3

Overall

8.1

Entertainment

7.7

Food

7.2

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,156 reviews
Southwest
8.1
Very good
5,156 reviews

Boarding

8.3

Overall

8.1

Entertainment

7.7

Food

7.2

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,411 reviews
Southwest
8.1
Very good
5,156 reviews

Boarding

8.3

Overall

8.1

Entertainment

7.7

Food

7.2

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,885 reviews
Southwest
8.1
Very good
5,156 reviews

Boarding

8.3

Overall

8.1

Entertainment

7.7

Food

7.2

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,552 reviews
Southwest
8.1
Very good
5,156 reviews

Boarding

8.3

Overall

8.1

Entertainment

7.7

Food

7.2

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,283 reviews
Southwest
8.1
Very good
5,156 reviews

Boarding

8.3

Overall

8.1

Entertainment

7.7

Food

7.2

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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 Frontier for just $127, but on average you can expect to pay $254.

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

    Cheapflights has at least 5 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 $273.

  • 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: Sunday, Wednesday, Friday, Saturday.

  • How popular is this Seattle to Washington, D.C. flight route?

    Flights from Seattle/Tacoma Intl to Washington, D.C. have been viewed 16 times in the past calendar month.

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

    Per day, 5 flights depart from Seattle to Washington, D.C. on average.
    Morning (6am - Noon) - 60% of flight departures
    Evening (6pm - Midnight) - 40% 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 01m. Frontier provides one of the quickest options available for as low as $127. The distance between Seattle and Washington, D.C. is about 2342 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 Frontier. Our recent data shows that you can find tickets from as low as $127 on this airline. Additional options worth looking into are Spirit Airlines and Alaska Airlines, starting at $212 and $231 round-trip. Frontier is currently priced 68% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Seattle to Washington, D.C. one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $63. However, be on the lookout for offers from Spirit Airlines and Delta, as they are both options that can get you from Seattle to Washington, D.C. for a low price.

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

    The most popular flight routes from Seattle to Washington, D.C. are Seattle/Tacoma Intl - Washington, D.C. Dulles Intl, Seattle/Tacoma Intl - Washington, D.C. Reagan-National and Seattle/Tacoma Intl - Baltimore/Washington.

  • 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 Hawaiian Airlines (90%), Alaska Airlines (76%) or Air Tahiti Nui (73%) 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 $386, 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 $237 for that flight.

  • What does SEA to BWI mean?

    SEA stands for Seattle/Tacoma Intl Airport, while BWI stands for Baltimore/Washington 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. Washington, D.C. Dulles Intl Airport (IAD), 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.?

    Flights departing from Seattle and landing in Washington, D.C. layover in Chicago most frequently.

  • 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 $60.

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

    Of the flights from Seattle to Washington, D.C. that have layovers, the fewest flights stop in Denver.

  • 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 10/23.

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

    Currently, August is the cheapest month in which you can book a flight from Seattle to Washington, D.C. (average of $241). Flying from Seattle to Washington, D.C. in January is currently the most expensive (average of $272). 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

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

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 2,499,819 searches. Data last updated October 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$114Average$243FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$476FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$169Average$534FlexibilityNo cancel feeOn-time83%
Spirit AirlinesCheapest$171Average$269FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$204Average$507FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$237Average$433FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$247Average$473FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$248Average$314FlexibilityNo cancel feeOn-time62%
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