Cheap flights from District of Columbia to Seattle from $100
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Seattle departing on 6/7. 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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Frontier flights from District of Columbia to Seattle
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Alaska Airlines flights from District of Columbia to Seattle
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How to get the cheapest flight ticket from District of Columbia to Seattle
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 Seattle?
In general, September is the cheapest month to fly from District of Columbia to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $347. If you don’t want to visit Seattle in September, then you should wait until October to fly from District of Columbia, when ticket prices are also cheap, with an average price of $368.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from District of Columbia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $449. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from District of Columbia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $572.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from District of Columbia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $409 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $533. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest District of Columbia to Seattle/Tacoma Intl flight route?
Fly from Baltimore/Washington to Seattle/Tacoma Intl for the best District of Columbia - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from District of Columbia when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $413 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from District of Columbia for as low as $370 on momondo.
What cabin class options are available on District of Columbia to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on District of Columbia to Seattle/Tacoma Intl 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 District of Columbia to Seattle/Tacoma Intl?
Frontier, Delta, and Hawaiian Airlines are the most popular carriers operating from District of Columbia to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to Seattle from District of Columbia according to our data. Alaska Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 10 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from District of Columbia to Seattle on average per day?
As of May 2025, 29 flights take off from District of Columbia and land in Seattle each day. The most common flight departure time for this route is 5:00PM, with 60% of daily flights taking off at noon.
How many flights depart from District of Columbia to Seattle on average per week?
209 flights are operational weekly from District of Columbia to Seattle as of May 2025. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.
Cheap District of Columbia to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Seattle
When did momondo last update prices for flights from District of Columbia to Seattle/Tacoma Intl Airport?
Prices for flights from District of Columbia to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from District of Columbia to Seattle/Tacoma Intl Airport?
The number of operators available for flights from District of Columbia to Seattle/Tacoma Intl Airport is 9 as of May 2025.
How old do you have to be to fly from District of Columbia to Seattle/Tacoma Intl Airport?
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 District of Columbia to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from District of Columbia to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from District of Columbia to Seattle is Boeing 737-800 Passenger/BBJ2 (winglets) (20.09% of total bookings). The next most popular plane models are Boeing 737 MAX 9 (19.74%), Boeing 737-900 (13.20%), and Boeing 737-900 Passenger/BBJ3 (winglets) (12.93%).
Best airlines flying from District of Columbia to Seattle
Compare and see reviews for airlines that fly from District of Columbia to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $130 | Free Cancellation | Rating 5.9 3,288 reviews | |||
| PriceFrom $140 | Free Cancellation | Rating 6.3 7,967 reviews | |||
| PriceFrom $144 | Free Cancellation | Rating 6.9 346 reviews | |||
| PriceFrom $158 | Free Cancellation | Rating 7.9 2,420 reviews | |||
| PriceFrom $206 | Free Cancellation | Rating 8.0 7,941 reviews | |||
| PriceFrom $206 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $259 | Free Cancellation | Rating 8.0 9,987 reviews | |||
| PriceFrom $277 | Free Cancellation | Rating 7.4 8,702 reviews | |||
| PriceFrom $306 | Free Cancellation | Rating 8.0 4,292 reviews |
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from District of Columbia to Seattle?
It is quick and easy to find District of Columbia to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.
Can I find flights from District of Columbia to Seattle with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for District of Columbia to Seattle flights to just show those with flexible booking policies.
How can momondo help me find flights from District of Columbia to Seattle?
momondo provides multiple filters to help you find the best flight to Seattle from District of Columbia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from District of Columbia to Seattle right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of District of Columbia to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.