Cheap flights from Seattle to District of Columbia from $65
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to District of Columbia departing on 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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1 adult
Economy
0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from Seattle to District of Columbia that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to District of Columbia.
Cheap last minute flights
Planning a quick getaway from Seattle to District of Columbia? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to District of Columbia, so you can enjoy a seamless trip without layovers.
Cheap bus & train deals from Seattle to District of Columbia
Find recent round-trip train or bus tickets from Seattle to District of Columbia.
All round-trip flight deals to District of Columbia
The cheapest plane tickets to District of Columbia found on KAYAK recently.
Alaska Airlines flights from Seattle to District of Columbia
Our best Alaska Airlines deals on Seattle to District of Columbia flight tickets
Alaska Airlines![Alaska Airlines]()
Feb 8![Alaska Airlines]()
Feb 8
SEA9:54 amSeattle/Tacoma Intl
5h 03m
IAD5:57 pmWashington, D.C. Dulles Intl
IAD6:57 pmWashington, D.C. Dulles Intl
6h 03m
SEA10:00 pmSeattle/Tacoma Intl
Alaska Airlines![Alaska Airlines]()
Feb 23![Alaska Airlines]()
Mar 2
SEA9:40 pmSeattle/Tacoma Intl
4h 52m
IAD5:32 amWashington, D.C. Dulles Intl
IAD7:00 amWashington, D.C. Dulles Intl
5h 56m
SEA9:56 amSeattle/Tacoma Intl
Southwest flights from Seattle to District of Columbia
Our best Southwest deals on Seattle to District of Columbia flight tickets
Southwest![Southwest]()
Feb 1![Southwest]()
Feb 3
SEA5:35 amSeattle/Tacoma Intl
10h 10m
1 stop
IAD6:45 pmWashington, D.C. Dulles Intl
IAD3:55 pmWashington, D.C. Dulles Intl
9h 35m
1 stop
SEA10:30 pmSeattle/Tacoma Intl
Southwest![Southwest]()
Jan 30![Southwest]()
Feb 3
SEA12:20 pmSeattle/Tacoma Intl
7h 45m
1 stop
IAD11:05 pmWashington, D.C. Dulles Intl
IAD5:50 pmWashington, D.C. Dulles Intl
7h 50m
1 stop
SEA10:40 pmSeattle/Tacoma Intl
See travel insights to District of Columbia from
How to get the cheapest flight ticket from Seattle to District of Columbia
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
Prices
Airlines
Other information
What is the cheapest month to fly to District of Columbia?
In general, September is the cheapest month to fly from Seattle to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $322. If you don’t want to visit District of Columbia in September, then you should wait until February to fly from Seattle, when ticket prices are also cheap, with an average price of $333.
What is the cheapest day to depart on your flight to District of Columbia?
The cheapest day to depart on your flight to District of Columbia is on a Thursday when prices can be found for as low as $377. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $466.
What is the cheapest time of day to depart on your flight to District of Columbia?
Flying to District of Columbia from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $378 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly at noon, with an average ticket price of $470. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Seattle/Tacoma Intl to District of Columbia flight route?
Fly from Seattle/Tacoma Intl to Baltimore/Washington for the best Seattle/Tacoma Intl - District of Columbia flight prices
How far in advance should I book a flight to District of Columbia?
You are more likely to see cheaper flights to District of Columbia from Seattle when booking 47 days ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $433 when searching 47 days out. Keep in mind that you might also find cheap flights to District of Columbia outside of this time window. In fact, momondo users recently found flights from Seattle to District of Columbia for $270.
What cabin class options are available on Seattle/Tacoma Intl to District of Columbia flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Seattle/Tacoma Intl to District of Columbia?
Frontier, JetBlue, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to District of Columbia
What airlines fly to District of Columbia?
Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to District of Columbia from Seattle according to our data. Alaska Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 9 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to District of Columbia on average per day?
21 flights are operational daily from Seattle to District of Columbia as of January 2025. The most popular departure time for this route is 9:00AM, with 36% of flights per day taking off at noon.
How many flights depart from Seattle to District of Columbia on average per week?
The number of flights available between Seattle and District of Columbia is 153 per week as of January 2025. The most frequent departure day is Wed, with 16% of weekly flights leaving on this day.
Cheap Seattle to District of Columbia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to District of Columbia
Best Price Found | $65 |
|---|---|
Fastest flight time | 4h 49m |
Direct flights | Every day |
Airports in District of Columbia | 2 airports |
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to District of Columbia?
Prices for flights from Seattle/Tacoma Intl Airport to District of Columbia refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to District of Columbia?
There are 8 operators available for flights from Seattle/Tacoma Intl Airport to District of Columbia as of January 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to District of Columbia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The necessary travel and health documents for your District of Columbia 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 license 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 District of Columbia?
Based on momondo bookings for flights between Seattle and District of Columbia, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 24.29% of the total bookings. Other popular models include Boeing 737-900 with 21.98%, Boeing 737 MAX 9 with 10.48%, and Boeing 737-800 with 10.45%.
Best airlines flying from Seattle to District of Columbia
Compare and see reviews for airlines that fly from Seattle to District of Columbia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $86 | Free Cancellation | Rating 6.0 3,428 reviews | |||
| PriceFrom $154 | Free Cancellation | Rating 8.0 8,501 reviews | |||
| PriceFrom $169 | Free Cancellation | Rating 7.0 381 reviews | |||
| PriceFrom $192 | Free Cancellation | Rating 6.3 8,075 reviews | |||
| PriceFrom $215 | Free Cancellation | Rating 8.1 4,650 reviews | |||
| PriceFrom $234 | Free Cancellation | Rating 8.0 9,643 reviews | |||
| PriceFrom $238 | Free Cancellation | Rating 7.4 8,942 reviews | |||
| PriceFrom $246 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 7.4 3,191 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to District of Columbia?
Finding the right flight to District of Columbia from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to District of Columbia quick and easy, saving you time and money.
Can I find flights from Seattle to District of Columbia with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Seattle to District of Columbia flights to just show those with flexible booking policies.
How can momondo help me find flights from Seattle to District of Columbia?
Once you have performed a search for Seattle to District of Columbia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Seattle to District of Columbia right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Seattle to District of Columbia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.
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