Complete your Washington DC trip with a car rental
Finding you a cheap flight from Seattle-Tacoma International Airport to Washington DC isn't our only cool trick. Check out our car rentals in Washington DC and have more freedom to explore. We search for deals from trusted car rental providers and put them all in one place. Instantly compare offers and then book with no fees.
More about Washington DC
When it comes to looking for somewhere to lay your head, you'll find the most popular stays in Washington DC right here. Explore these options after locking in your flight from Seattle-Tacoma International Airport to Washington DC:
There are so many things to explore in this city it can be hard to figure out where to start. White House Historical Association, The White House and National Mall are popular attractions which should feature on every Washington DC itinerary.
Best time to go to Washington DC
It's time to work out your trip dates for your flight from Seattle-Tacoma International Airport to Washington DC. July is the most popular month for a trip to Washington DC. If you prefer a more relaxed atmosphere, go in May.
Before you book a flight from Seattle-Tacoma International Airport to Washington DC, think about the type of weather you enjoy. July is the warmest month in Washington DC, with temperatures ranging from 19ºC to 33ºC.
If you want cooler conditions, search for a cheap flight from SEA to Washington DC in January when temperatures average between -6ºC and 10ºC.
Washington Dulles International Airport (IAD)
As soon as your flight from Seattle-Tacoma International Airport to Washington DC has touched down, you can get to the city centre in around 51 minutes by car. Central Washington DC is roughly 56 kilometres from Washington Dulles International Airport (IAD).
You can also travel using public transport, which will take around 3 hours and 26 minutes.
After your flight from SEA to Washington DC, rest your head at a hotel close to IAD. These are some great options that'll help you get into relaxation mode:
Airports in Washington DC
Ronald Reagan National Airport (DCA)
Ronald Reagan National Airport (DCA) to the centre of Washington DC takes around 16 minutes by car. It's approximately 8 kilometres away.
Getting to the centre on public transport takes roughly 43 minutes.
If you're arriving on a late flight from Seattle-Tacoma International Airport to Washington DC, few things beat the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and relaxing soon after at one of these accommodation options near DCA:
How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Washington DC
$93 is the lowest price we've found for a one-way ticket from Seattle-Tacoma International Airport to Washington DC. For a return flight on this route, the best price is $171. Depending on when you want to go and the availability, these fares can change.
Book 9 months before flying. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from SEA to Washington DC.
May is the cheapest month for tickets from Seattle-Tacoma International Airport to Washington DC. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for every month.
Create a Price Alert for cheap tickets from SEA to Washington DC. You don't need to search every day to see whether fares have dropped. We'll notify you as soon as the price changes.
Tailor your flights with filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Seattle-Tacoma International Airport to Washington DC.
Travelling from Seattle-Tacoma International Airport (SEA) to Washington DC: what you need to know
Take a direct flight from Seattle-Tacoma International Airport to Washington DC and you'll be travelling for an average of 5 hours 55 minutes.
Seattle-Tacoma International Airport is located in Seattle. Operating on the UTC-4 timezone, Washington DC is 3 hours ahead of Seattle.
With 114 weekly flights between the two airports, Seattle-Tacoma International Airport (SEA) to Washington Dulles International Airport (IAD) is the busiest route. Alaska Airlines operates the earliest flight at 07:00. If you're eager to make the most of your day before you fly, the latest departure from SEA to IAD is with Alaska Airlines at 23:43.
Leave plenty of time to catch your flight from SEA to Washington DC. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.
Getting on a plane during a peak month like July? Busy periods (like Thanksgiving, Christmas/New Year and spring break) can add another hour at security. Play things extra safe and arrive up to four hours before international flights and two hours before a domestic departure.
Begin your journey with a direct flight from Seattle-Tacoma International Airport to Washington DC. From SEA, you can fly without any stops to any of these Washington DC airports:
Ronald Reagan National Airport (DCA)
Washington Dulles International Airport (IAD)
Baltimore/Wash International Thurgood Marshall Airport (BWI)
Pick from a variety of airlines offering direct flights from Seattle-Tacoma International Airport to Washington DC. Head off on your trip with any of these:
When flying within United States, you don't need a passport or visa. However, you'll have to bring another kind of identification, like a driver's licence or ID card. Once you've booked cheap tickets from Seattle-Tacoma International Airport to Washington DC, make sure your ID is up to date.
SEA is around 23 kilometres from central Seattle. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 18 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 54 minutes.
After a hassle-free start to your journey? Stay near SEA. Whether you're taking an early flight from Seattle-Tacoma International Airport to Washington DC or just don't like being rushed, these hotels are ideal: