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Cheap flights from Washington, D.C. Reagan-National Airport to Seattle from C$ 214

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SEA
26 Nov — 3 Dec1
1 adult

Cheap flight deals from Reagan-National to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 21 November 2024.

Round-trip from

C$ 374

One-way from

C$ 214

Popular in

March

Cheapest in

January
JetBlue
  • JetBlue
  • 9/2-18/2
  • 2 total stops
  • 21h 36m total
  • Washington, D.C. to Seattle
Search Deals
United Airlines
  • United Airlines
  • 17/3
  • 1 total stop
  • 7h 53m total
  • Washington, D.C. to Seattle
Search Deals
High demand for flights, 23% potential price rise
Search Deals
Best time to find cheap flights, 34% potential price drop
Search Deals

Find flight deals from Reagan-National to Seattle

Cheapest flights from Reagan-National to Seattle
Explore the most affordable flight options available from Reagan-National to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Mon 16/126:30 a.m.DCA - SEA
1 stop8h 38mUnited Airlines
Fri 3/111:51 p.m.SEA - DCA
1 stop7h 40mUnited Airlines
Deal found 21/11C$ 427
Tue 10/126:55 a.m.DCA - SEA
1 stop8h 30mSouthwest
Sat 14/125:10 a.m.SEA - DCA
2 stops11h 50mSouthwest
Deal found 20/11C$ 630
Wed 11/129:20 a.m.DCA - SEA
1 stop12h 33mAlaska Airlines
Sun 15/121:55 p.m.SEA - DCA
Nonstop5h 04mAlaska Airlines
Deal found 21/11C$ 681
Sat 7/126:30 p.m.DCA - SEA
1 stop8h 51mDelta
Wed 11/1211:05 p.m.SEA - DCA
1 stop6h 36mDelta
Deal found 21/11C$ 776

Find flights from Reagan-National to Seattle within your budget

Customize your flight search to find flights from Reagan-National 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 640,016 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sun 9/2

7:00 a.m.-2:10 p.m.

1 stop10h 10m

Seattle/Tacoma Intl

Tue 18/2

11:17 p.m.-1:43 p.m.

1 stop11h 26m

C$ 374

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Thu 16/1

6:30 a.m.-12:07 p.m.

1 stop8h 37m

Seattle/Tacoma Intl

Tue 21/1

11:17 p.m.-10:31 a.m.

1 stop8h 14m

C$ 420

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Tue 14/1

5:29 p.m.-8:35 p.m.

Nonstop6h 06m

Seattle/Tacoma Intl

Wed 22/1

2:05 p.m.-9:59 p.m.

Nonstop4h 54m

C$ 443

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sat 11/1

11:15 a.m.-7:25 p.m.

2 stops11h 10m

Seattle/Tacoma Intl

Mon 13/1

10:40 a.m.-11:05 p.m.

1 stop9h 25m

C$ 462

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sat 7/12

6:30 p.m.-12:21 a.m.

1 stop8h 51m

Seattle/Tacoma Intl

Wed 11/12

11:05 p.m.-8:41 a.m.

1 stop6h 36m

C$ 776

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Mon 17/3

6:00 p.m.-10:53 p.m.

1 stop7h 53m

C$ 214

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Tue 7/1

5:29 p.m.-8:35 p.m.

Nonstop6h 06m

C$ 222

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Tue 21/1

6:55 a.m.-11:50 a.m.

1 stop7h 55m

C$ 249

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Mon 6/1

7:00 a.m.-1:10 p.m.

1 stop9h 10m

C$ 268

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Mon 14/4

2:45 p.m.-10:49 p.m.

1 stop11h 04m

C$ 288

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/11

Showing 1-10 of 11 results
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Best time to book a flight from Reagan-National to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Reagan-National 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 Reagan-National to Seattle

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

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

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Seattle. Price data was last updated on 15 November 2024.

Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Reagan-National Airport to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Seattle (average of C$ 271). Flying from Washington, D.C. Reagan-National Airport to Seattle in March is currently the most expensive (average of C$ 418). 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 DCA to SEA?

Find hourly flight availability from Reagan-National 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 21 November 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Seattle as you normally would.

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 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 21 November 2024.
Read through reviews of airlines operating flights from Washington, D.C. to Seattle, such as United Airlines, Alaska Airlines and Southwest. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

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
5,005 reviews
Southwest
8.1
Very good
5,005 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

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
9,464 reviews
Southwest
8.1
Very good
5,005 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

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
8,755 reviews
Southwest
8.1
Very good
5,005 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

Crew

8.7

Reviews

1 / 10

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

JetBlue
7.5
Good
3,389 reviews
Southwest
8.1
Very good
5,005 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

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
9,172 reviews
Southwest
8.1
Very good
5,005 reviews
Check prices

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

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 Reagan-National 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 Washington, D.C. Reagan-National?

    Located just 18.4 km from the city centre, Seattle/Tacoma Intl is the airport most travellers will use when flying to Seattle from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 2 daily inbound flights from Washington, D.C. Reagan-National from 0 different airlines.

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

    Our cheapest airline available from Washington, D.C. Reagan-National Airport to Seattle is JetBlue. Our recent data shows that you can find tickets from as low as C$ 374 on this airline. Additional options worth looking into are United Airlines and Alaska Airlines, starting at C$ 420 and C$ 443 round-trip. You may be able to fly from Washington, D.C. Reagan-National Airport to Seattle for 42% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at C$ 214. Alaska Airlines flights start at C$ 222 while deals on Southwest start at C$ 249 one-way.

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

    Before booking your flight to Seattle from Washington, D.C. Reagan-National Airport, check out the most reliable airlines to get you to your destination on time: Hawaiian Airlines (93%), Japan Airlines (92%), Korean Air( 92%).

  • Can I find deals for flights from Reagan-National to Seattle that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Seattle?

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

  • Can I find deals for business class flights from Reagan-National to Seattle?

    Yes. Cheapflights offers flight deals from Reagan-National 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 Washington, D.C. Reagan-National Airport to Seattle?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Seattle (average of C$ 271). Flying from Washington, D.C. Reagan-National Airport to Seattle in March is currently the most expensive (average of C$ 418). 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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Can Cheapflights notify me if prices for flights from Reagan-National to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Reagan-National to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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