Question 1

How long does a flight from Washington, D.C. to Seattle take?

Accepted Answer

The average direct flight takes 5h 41m, covering a distance of 6,012 km. Visit our flight page for the latest deals!>/a>

Question 2

How many flights are there between Washington, D.C. Reagan-National Airport and Seattle per day?

Accepted Answer

Each day, there are 3 nonstop flights that take off from Washington, D.C. Reagan-National Airport and land in Seattle, with an average flight time of 5h 49m. The most common departure time is 4:00 p.m. and most flights take off in the afternoon. Each week, there are 21 flights and there are the same amount of flights each day (3). Visit our flight page for the latest deals!>/a>

Question 3

How many flights are there between Washington, D.C. Reagan-National Airport and Seattle per day?

Accepted Answer

Each day, there are 3 nonstop flights that take off from Washington, D.C. Reagan-National Airport and land in Seattle, with an average flight time of 5h 49m. The most common departure time is 4:00 p.m. and most flights take off in the afternoon. Each week, there are 21 flights and there are the same amount of flights each day (3). Visit our flight page for the latest deals!>/a>

Question 4

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

Accepted Answer

In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to Seattle was C$ 136 for a one-way ticket and C$ 240 for a round-trip. <a href='/flight-routes/Washington-D-C-Reagan-National-DCA/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 5

What’s the earliest departure time from Washington, D.C. to Seattle?

Accepted Answer

Early birds can take the earliest flight from Washington, D.C. Reagan-National Airport at 8:00 am and will be landing in Seattle at 10:53 am.

Question 6

What’s the latest departure time from Washington, D.C. to Seattle?

Accepted Answer

If you prefer to fly at night, the latest flight from Washington, D.C. Reagan-National Airport to Seattle jets off at 5:06 pm and lands at 7:56 pm.

Question 7

Which airlines offer Wi-Fi service onboard planes from Washington, D.C. to Seattle?

Accepted Answer

Alaska Airlines, Hawaiian Airlines, Delta, and American Airlines offer inflight Wi-Fi service on the Washington, D.C. to Seattle flight route.

Question 8

Which aircraft models fly most regularly from Washington, D.C. to Seattle?

Accepted Answer

The Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the Washington, D.C. to Seattle flight route.

Question 9

Which airline alliances offer flights from Washington, D.C. to Seattle?

Accepted Answer

oneworld, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Seattle, with SkyTeam being the most commonly used for this route.

Question 10

On which days can I fly direct from Washington, D.C. to Seattle?

Accepted Answer

There are direct flights from Washington, D.C. to Seattle on a daily basis.

Question 11

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

Accepted Answer

The cheapest month for flights from Washington, D.C. Reagan-National Airport to Seattle is September, where tickets cost C$ 507 (return) on average. On the other hand, the most expensive months are December and April, where the average cost of round-trip tickets is C$ 759 and C$ 695 respectively.

Question 12

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

Accepted Answer

The cheapest month for flights from Washington, D.C. Reagan-National Airport to Seattle is September, where tickets cost C$ 507 (return) on average. On the other hand, the most expensive months are December and April, where the average cost of round-trip tickets is C$ 759 and C$ 695 respectively.

Question 13

How does KAYAK find such low prices on flights from Washington, D.C. to Seattle?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Seattle. <a href='/flight-routes/Washington-D-C-Reagan-National-DCA/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 14

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Seattle?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Washington, D.C. is likely to change within 7 days, so travellers know whether to wait or book now. <a href='/flight-routes/Washington-D-C-Reagan-National-DCA/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 15

What is the Hacker Fare option on flights from Washington, D.C. to Seattle?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Washington, D.C. with another airline. <a href='/flight-routes/Washington-D-C-Reagan-National-DCA/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 16

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Seattle?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Washington-D-C-Reagan-National-DCA/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 17

Which cabin class options are there for flights between Washington, D.C. Reagan-National Airport and Seattle?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 18

Which cabin class options are there for flights between Washington, D.C. Reagan-National Airport and Seattle?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 19

Which airlines provide the cheapest flights from Washington, D.C. to Seattle?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Seattle were found on Southwest (C$ 332) and Hawaiian Airlines (C$ 356).

Question 20

Which airlines provide the cheapest flights from Washington, D.C. to Seattle?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Seattle were found on Southwest (C$ 332) and Hawaiian Airlines (C$ 356).

Question 21

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

Accepted Answer

To get a below average price on the flight from Washington, D.C. Reagan-National Airport to Seattle, you should book around 4 weeks before departure, which saves you about 31% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Question 22

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

Accepted Answer

To get a below average price on the flight from Washington, D.C. Reagan-National Airport to Seattle, you should book around 4 weeks before departure, which saves you about 31% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Low season	February
High season	July
Cheapest flight	C$ 188

DCA - SEA

C$ 188 Find Cheap Flights from Washington, D.C. to Seattle

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Cheap Flights from Washington, D.C. to Seattle (DCA-SEA)

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KAYAK's insights & trends for Washington, D.C. to Seattle flights

Get data-powered insights and trends into flights from Washington, D.C. to Seattle to help you find the cheapest flights, the best time to fly and much more.

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

The cheapest month for flights from Washington, D.C. Reagan-National Airport to Seattle is September, where tickets cost C$ 507 (return) on average. On the other hand, the most expensive months are December and April, where the average cost of round-trip tickets is C$ 759 and C$ 695 respectively.

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

Which airlines provide the cheapest flights from Washington, D.C. to Seattle?

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Seattle were found on Southwest (C$ 332) and Hawaiian Airlines (C$ 356).

Which cabin class options are there for flights between Washington, D.C. Reagan-National Airport and Seattle?

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How many flights are there between Washington, D.C. Reagan-National Airport and Seattle per day?

How long does a flight from Washington, D.C. to Seattle take?

The average direct flight takes 5h 41m, covering a distance of 6,012 km.

What’s the earliest departure time from Washington, D.C. to Seattle?

Early birds can take the earliest flight from Washington, D.C. Reagan-National Airport at 8:00 am and will be landing in Seattle at 10:53 am.

What’s the latest departure time from Washington, D.C. to Seattle?

If you prefer to fly at night, the latest flight from Washington, D.C. Reagan-National Airport to Seattle jets off at 5:06 pm and lands at 7:56 pm.

Good to know

When to book flights from Washington, D.C. to Seattle

Flights from Washington, D.C. to Seattle: the best tips from KAYAK users' own experiences

FAQs for booking Washington, D.C. to Seattle flights

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

In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to Seattle was C$ 136 for a one-way ticket and C$ 240 for a round-trip.

Which airlines offer Wi-Fi service onboard planes from Washington, D.C. to Seattle?

Alaska Airlines, Hawaiian Airlines, Delta, and American Airlines offer inflight Wi-Fi service on the Washington, D.C. to Seattle flight route.

Which aircraft models fly most regularly from Washington, D.C. to Seattle?

The Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the Washington, D.C. to Seattle flight route.

Which airline alliances offer flights from Washington, D.C. to Seattle?

oneworld, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Seattle, with SkyTeam being the most commonly used for this route.

On which days can I fly direct from Washington, D.C. to Seattle?

There are direct flights from Washington, D.C. to Seattle on a daily basis.

How does KAYAK find such low prices on flights from Washington, D.C. to Seattle?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Seattle.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Washington, D.C. is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington, D.C. to Seattle?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Washington, D.C. with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Seattle?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Washington, D.C. Reagan-National Airport to Seattle

Prefer to fly direct from Washington, D.C. to Seattle?

Everything you need to know for your flight from Washington, D.C. to Seattle

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Cabin class types available on flights to Seattle

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