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How to get the cheapest flight ticket from Seattle to Washington, D.C.
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Washington, D.C.?
In general, September is the cheapest month to fly from Seattle to Washington, D.C.. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R5 959. If you aren’t able to travel during the month of September, then book flights to Washington, D.C. from Seattle during February instead. Flights to Washington, D.C. in February, while not as cheap as those in September, still average around R6 163.
What is the cheapest day to depart on your flight to Washington, D.C.?
The cheapest day to depart from Seattle to Washington, D.C. is on a Monday. Travellers who choose to depart for Washington, D.C. on a Monday will often find tickets for as low as R0. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Washington, D.C. for around R65 316.
What is the cheapest Seattle/Tacoma Intl to Washington, D.C. flight route?
Fly from Seattle/Tacoma Intl to Washington, D.C. Reagan-National for the best Seattle/Tacoma Intl - Washington, D.C. flight prices
How far in advance should I book a flight to Washington, D.C.?
You are more likely to see cheaper flights to Washington, D.C. from Seattle when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around R8 001 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Seattle for as low as R6 405 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Washington, D.C. flights?
There are 1 cabin classes available to choose from on Seattle/Tacoma Intl to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have Seattle to Washington, D.C. flight prices changed over time?
As of January 2025, prices for Seattle to Washington, D.C. flights are approximately 42% more expensive when compared to flights at the same time last year.
When to book flights from Seattle to Washington, D.C.
Cheap Seattle to Washington, D.C. (SEA to WAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Washington, D.C.
How far is Seattle/Tacoma Intl to Washington, D.C. by plane?
There are 3734,4 km between Seattle/Tacoma Intl and Washington, D.C..
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Washington, D.C.?
Prices for flights from Seattle/Tacoma Intl Airport to Washington, D.C. are refreshed on a daily basis.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Washington, D.C.?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Washington, D.C.?
Based on momondo bookings for flights between Seattle and Washington, D.C., the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 25,03% of the total bookings. Other popular models include Boeing 737-900 with 23,29%, Boeing 737-800 with 8,94%, and Boeing 737 MAX 9 with 8,84%.
Travelling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Washington, D.C.?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Seattle.
Can I find flights from Seattle to Washington, D.C. with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Washington, D.C. from Seattle with this policy.
How can momondo help me find flights from Seattle to Washington, D.C.?
momondo helps you find the best flight between Seattle and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to Washington, D.C. right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Seattle to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.