Seattle

$139+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SEA
Nov 26 — Dec 31
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Cheap flight deals from District of Columbia to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from District of Columbia (USDC) to Seattle (SEA). 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 November 21, 2024.

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 November 21, 2024.

This Frontier deal was found by Cheapflights users on 11/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/187:00 amDCA - SEA
1 stop9h 10mFrontier
Sun 1/59:36 pmSEA - DCA
1 stop11h 32mFrontier
Deal found 11/20$258
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/116:20 pmIAD - SEA
Nonstop6h 10mDelta
Thu 12/129:25 amSEA - IAD
Nonstop5h 00mDelta
Deal found 11/20$297
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/111:10 pmDCA - SEA
1 stop9h 41mAmerican Airlines
Sun 12/1512:15 amSEA - DCA
1 stop7h 40mAmerican Airlines
Deal found 11/20$301
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:00 amIAD - SEA
1 stop8h 24mUnited Airlines
Sun 12/154:23 pmSEA - IAD
1 stop9h 45mUnited Airlines
Deal found 11/20$306
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/183:30 pmDCA - SEA
1 stop10h 16mUnited Airlines
Tue 1/77:00 amSEA - DCA
1 stop6h 59mUnited Airlines
Deal found 11/20$316
This Expedia deal was found by Cheapflights users on 11/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:00 amDCA - SEA
1 stop9h 10mMultiple Airlines
Sat 1/257:42 amSEA - DCA
1 stop7h 11mMultiple Airlines
Deal found 11/20$317
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/75:00 amIAD - SEA
1 stop19h 19mAmerican Airlines
Tue 1/211:43 pmSEA - IAD
1 stop15h 58mAmerican Airlines
Deal found 11/20$329
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/115:10 pmIAD - SEA
1 stop31h 50mAlaska Airlines
Mon 12/169:05 amSEA - IAD
1 stop9h 38mAlaska Airlines
Deal found 11/20$354
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/163:05 pmDCA - SEA
2 stops10h 50mSouthwest
Mon 1/1310:40 amSEA - DCA
1 stop6h 55mSouthwest
Deal found 11/20$381
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/134:00 pmIAD - SEA
2 stops11h 30mSouthwest
Tue 12/178:00 amSEA - IAD
2 stops12h 00mSouthwest
Deal found 11/20$416
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/169:20 amDCA - SEA
1 stop15h 14mAlaska Airlines
Tue 12/241:59 pmSEA - DCA
Nonstop5h 00mAlaska Airlines
Deal found 11/20$474
This Sun Country Air deal was found by Cheapflights users on 11/20. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2111:47 amIAD - SEA
1 stop24h 28mSun Country Air
Thu 11/2810:25 amSEA - IAD
1 stop22h 20mSun Country Air
Deal found 11/20$515

Find flights from District of Columbia to Seattle within your budget

Customize your flight search to find flights from District of Columbia to Seattle 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

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Fly to

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Route

Depart

Return

Price

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 12/18

7:00 am-1:10 pm

1 stop9h 10m

Seattle/Tacoma Intl

Sun 1/5

9:36 pm-12:08 pm

1 stop11h 32m

$258

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Mon 2/24

3:35 pm-10:07 pm

1 stop9h 32m

Seattle/Tacoma Intl

Sun 3/2

11:48 pm-11:44 am

1 stop8h 56m

$268

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sat 1/11

4:20 pm-7:20 pm

Nonstop6h 00m

Seattle/Tacoma Intl

Tue 1/14

7:25 am-3:25 pm

Nonstop5h 00m

$277

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 1/29

6:57 pm-10:00 pm

Nonstop6h 03m

Seattle/Tacoma Intl

Sun 2/2

9:54 am-5:57 pm

Nonstop5h 03m

$282

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 1/29

6:22 am-7:10 pm

1 stop15h 48m

Seattle/Tacoma Intl

Sun 2/2

1:43 pm-8:41 am

1 stop15h 58m

$283

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Thu 2/20

5:19 pm-8:19 pm

Nonstop6h 00m

Seattle/Tacoma Intl

Wed 2/26

7:00 am-9:03 pm

1 stop11h 03m

$287

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Fri 2/28

7:00 am-12:36 pm

1 stop8h 36m

Seattle/Tacoma Intl

Wed 3/5

8:20 am-4:27 pm

Nonstop5h 07m

$287

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 2/12

11:40 am-7:10 pm

1 stop10h 30m

Seattle/Tacoma Intl

Wed 2/19

1:33 pm-11:09 pm

1 stop6h 36m

$296

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Thu 1/16

6:30 am-12:07 pm

1 stop8h 37m

Seattle/Tacoma Intl

Tue 1/21

11:17 pm-10:31 am

1 stop8h 14m

$301

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Thu 2/20

5:25 pm-8:35 pm

Nonstop6h 10m

Seattle/Tacoma Intl

Sat 3/1

2:05 pm-9:59 pm

Nonstop4h 54m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 29 results
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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.

Travel insights for flights from District of Columbia to Seattle

Get recent, data-driven insights about flights from District of Columbia to Seattle including ideal travel times, pricing trends, and more.

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 July is currently the most expensive (average of $411). 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?

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 November 21, 2024.

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

Explore weekly flight availability from District of Columbia to Seattle. 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 November 21, 2024.

The most flights from USDC to SEA are scheduled on a Wednesday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

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.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated November 21, 2024.
See what other customers who have flown with Frontier, Delta and Alaska Airlines from District of Columbia to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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

8.1
Very good
5,015 reviews
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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

8.0
Very good
9,458 reviews
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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

8.0
Very good
8,758 reviews
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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

7.5
Good
3,396 reviews
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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

7.4
Good
9,172 reviews
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

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 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?

    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.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $139. However, be on the lookout for offers from American Airlines and Frontier, 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: Singapore Airlines (100%), Air Tahiti Nui (95%), Japan Airlines (93%).

  • 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 $1,010. The most popular route, (Washington, D.C. Dulles Intl - Seattle/Tacoma Intl), can usually be booked for $257.

  • 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 July is currently the most expensive (average of $411). 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

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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

Discover the top 9 airlines that operate flights from District of Columbia to Seattle. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$263FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$144Average$374FlexibilityNo cancel feeOn-time83%
Spirit AirlinesCheapest$164Average$265FlexibilityNo cancel feeOn-time65%
DeltaCheapest$170Average$453FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$207Average$501FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$224Average$419FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$248Average$364FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$266Average$462FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$326Average$484FlexibilityNo cancel feeOn-time63%
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