Flight tickets from Washington Ronald Reagan to Seattle

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Flight deals from Washington Ronald Reagan Airport to Seattle

Looking for a cheap last-minute deal or the best return flight from Washington Ronald Reagan Airport to Seattle? If you want to travel next month, return fares start from ₹ 16,181. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Ronald Reagan to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Ronald Reagan to Seattle flights are currently cheapest in April.

Direct flights from Washington Ronald Reagan to Seattle

Washington D.C. to Seattle: Flight information

The things to know before you go.
Cheapest flight found₹ 7,971
Cheapest month to flyApril
Average flight time6 hrs, 1 min
Most popular airlineDelta
Average flights per week50

Finding cheap flights from Washington Ronald Reagan to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Washington Ronald Reagan to Seattle is ₹ 16,181. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
6 hours and 1 minute is the average flight time from Washington Ronald Reagan to Seattle.
Delta, Alaska Airlines and Hawaiian Airlines fly direct from Washington Ronald Reagan to Seattle.
As of March 2026, there are 50 flights per week flying from Washington Ronald Reagan to Seattle.
The cheapest month to fly from Washington Ronald Reagan to Seattle is usually April.
If you're flying from Washington Ronald Reagan Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from ₹ 16,181.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Ronald Reagan Airport to Seattle on Wednesday, 15 April 2026.
Yes – the average flight time is 6 hours and 1 minute.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 6°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Southwest Airlines and Delta offer the cheapest flight tickets to Seattle.

Flying from Ronald Reagan National Airport (DCA) to Seattle: what you need to know

  • Jump on a direct flight from Ronald Reagan National Airport to Seattle and you'll be in the air for an average of 5 hours 10 minutes.

  • The timezone in Seattle is UTC-7. The city is three hours behind Washington DC, where Ronald Reagan National Airport is located.

  • With 20 flights a week between the two airports, Ronald Reagan National Airport (DCA) to Seattle-Tacoma International Airport (SEA) is the most popular route. Alaska Airlines operates the earliest flight at 08:00. If you'd like to get more out of your day before leaving, the last flight from DCA to SEA is with Alaska Airlines at 17:55.

  • To avoid rushing for your DCA to Seattle flight, leave enough time to navigate the airport and find your gate. Arriving two hours before international departures and one hour before domestic flights is the standard rule.

  • If you're flying during a major holiday or another peak period, allow for even more time. A good general rule is two hours ahead of domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

  • Direct Ronald Reagan National Airport to Seattle tickets are available for booking. Seattle-Tacoma International Airport (SEA) is where you'll complete your journey.

  • Keep an eye out for promotions from Alaska Airlines. This airline operates direct flights from Ronald Reagan National Airport to Seattle.

  • Located around 6 kilometres from the centre of Washington DC, DCA can be reached in about 15 minutes by car (depending on traffic). Travelling on public transport takes roughly 45 minutes.

  • Have an early flight from Ronald Reagan National Airport to Seattle? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels near DCA:

  • Of all flights leaving Ronald Reagan National Airport, 76.44% touch down on time at their destination.

  • You'll find DCA at 1 Aviation Circle.

How to find the cheapest flights from Ronald Reagan National Airport (DCA) to Seattle

  • ₹ 7,971 is currently the best price for a one-way Ronald Reagan National Airport to Seattle flight. A return flight ticket starts from ₹ 16,181. These fares may change based on demand and availability.

  • Get cheap flights from DCA to Seattle by booking four months ahead. According to our research, that's the best time for bagging a bargain.

  • Organise your trip for August. That's the best month for landing an epic deal on Ronald Reagan National Airport to Seattle tickets. If you're flexible on when you fly, use the 'Whole month' tool to find the cheapest price across each month.

  • Never miss a deal on cheap flights from DCA to Seattle by creating a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.

  • Snag an affordable flight from Ronald Reagan National Airport to Seattle with the help of our filters. Select your preferred departure time, duration and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • The distance from Seattle-Tacoma International Airport (SEA) to central Seattle is roughly 23 kilometres. It takes around 20 minutes to get to the centre driving.

  • If you're using public transport, expect a journey time of around 55 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're landing late on a flight from Ronald Reagan National Airport to Seattle. Reserve one of these accommodation options near SEA instead:

  • Grab a Seattle-Tacoma International Airport rental car and discover Seattle and beyond with your own wheels. Thrifty, Europcar and Budget are popular providers to choose from here.

  • To get the best deal, reserve your ride from Seattle-Tacoma International Airport about one week in advance of your flight from DCA to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • The centre of Seattle is around 3 kilometres from Lake Union Sea Plane Base Airport (LKE). After your flight from Ronald Reagan National Airport to Seattle has landed and you've navigated your way to arrivals, the drive should be around 10 minutes.

  • If you travel by public transport, you'll get to the city centre in 25 minutes or so.

  • Following your DCA to Seattle flight, rest your head at a hotel close to LKE. These are some comfortable accommodation options that'll help you slip into relaxation mode:

Best time to go to Seattle

  • Carefully consider your trip dates before locking in your flight from Ronald Reagan National Airport to Seattle. The city buzzes in peak season, but prices are generally higher and major attractions can get busy. Go to Seattle in the low season if you like a quieter vibe.

  • When booking your Ronald Reagan National Airport to Seattle flight ticket, think about the weather you're most comfortable in. August is the warmest month in Seattle, with temperatures ranging from 12ºC to 28ºC.

  • Look for cheap tickets from DCA to Seattle in February if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -1ºC and 11ºC on average.

More about Seattle

  • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in Seattle right here. Check out these options once you've booked your flight from Ronald Reagan National Airport to Seattle:

  • All great holidays should include a little sightseeing. LMN Architects, Greyhound: Bus Station and Boeing Radiation Effects Lab are must-visits when exploring Seattle.

Explore more of United States

  • Portland is just one of the many places in United States waiting to be explored after you've experienced Seattle. Around 241 kilometres away to the south, check out popular attractions including Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Spokane is another must-experience destination in United States and is around 370 kilometres east of Seattle. No trip is complete without a visit to Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.