Cheap flights from Washington, D.C. Dulles Intl Airport to Seattle from $139
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Seattle departing on 9/24. 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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Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Washington, D.C. Dulles Intl Airport to Seattle by changing tabs
Find the cheapest one-way flights from Washington, D.C. Dulles Intl Airport to Seattle
If you're looking for one-way flights from Washington, D.C. Dulles Intl Airport to Seattle, view some of our deals below provided by Alaska Airlines, American Airlines and Delta
Search last-minute flights to Seattle from Washington, D.C. Dulles Intl Airport
Find and compare round-trip flight prices for your last-minute flight from Washington, D.C. Dulles Intl Airport to Seattle
United Airlines flights from Washington, D.C. Dulles Intl Airport to Seattle
Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Seattle flight tickets
Delta flights from Washington, D.C. Dulles Intl Airport to Seattle
Our best Delta deals on Washington, D.C. Dulles Intl Airport to Seattle flight tickets
How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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 from Washington, D.C. Dulles Intl Airport to Seattle?
January. The cheapest time of year to fly to Seattle from Washington, D.C. Dulles Intl Airport is January. Most expensive is June
What is the cheapest day to depart Washington, D.C. Dulles Intl Airport for Seattle?
Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Seattle?
At noon. Washington, D.C. Dulles Intl Airport to Seattle flights are approximately 43% more expensive in the morning than at noon
What is the cheapest airline that flies to Seattle from Washington, D.C. Dulles Intl Airport?
Frontier. Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl Airport to Seattle
How far in advance should you book Washington, D.C. Dulles Intl Airport to Seattle flights?
34 days before. The cheapest time to buy a flight from Washington, D.C. Dulles Intl Airport to Seattle is approximately 34 days to departure
How many flights depart from Washington, D.C. Dulles Intl Airport to Seattle on average per day?
As of June 2024, 13 flights take off from Washington, D.C. Dulles Intl Airport and land in Seattle each day. The most common flight departure time for this route is 4:00PM, with 65% of daily flights taking off in the afternoon.
How many flights depart from Washington, D.C. Dulles Intl Airport to Seattle on average per week?
As of June 2024, there are 93 flights per week flying from Washington, D.C. Dulles Intl Airport to Seattle. The most common day of the week flights depart is Friday, with 16% of flights taking off on this day.
What cabin class options are available on Washington, D.C. Dulles Intl Airport to Seattle flights?
There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Washington, D.C. Dulles Intl Airport to Seattle flights?
No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Seattle.
Cheap Washington, D.C. Dulles Intl Airport to Seattle (IAD to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Seattle
Best Price Found | $139 |
|---|---|
Fastest flight time | 5h 30m |
Direct flights | Every day |
Airports in Seattle | 1 airport |
How far is Washington, D.C. Dulles Intl to Seattle/Tacoma Intl by plane?
The distance between Washington, D.C. Dulles Intl and Seattle/Tacoma Intl is about 2299.7 mi. A reasonable flight in good conditions will take 5h 30m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Seattle/Tacoma Intl Airport?
There are 6 operators available for flights from Washington, D.C. Dulles Intl Airport to Seattle/Tacoma Intl Airport as of June 2024.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Washington, D.C. Dulles Intl Airport to Seattle
Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $139 | Free Cancellation | Rating 8.0 10,410 reviews | |||
| PriceFrom $145 | Free Cancellation | Rating 8.0 9,198 reviews | |||
| PriceFrom $188 | Free Cancellation | Rating 6.2 4,006 reviews | |||
| PriceFrom $194 | Free Cancellation | Rating 7.4 10,754 reviews | |||
| PriceFrom $254 | Free Cancellation | Rating 7.3 14,268 reviews |
Delta Flights From Washington, D.C. Dulles Intl Airport to Seattle
Across 5 Delta flights from Washington, D.C. Dulles Intl Airport to Seattle this week, the average price was $377, with the best Delta deals starting from $139 round-trip. 10,410 users have rated Delta on momondo, with an average score of 8.0/10.
Alaska Airlines Flights From Washington, D.C. Dulles Intl Airport to Seattle
The best Alaska Airlines deal for Washington, D.C. Dulles Intl Airport to Seattle flight tickets found on momondo in the last 72 hours was $145, round-trip. It should be noted that an average Alaska Airlines flight deal for this route in this time was higher, at $378 round-trip. Alaska Airlines operates 10 flights out of Washington, D.C. Dulles Intl Airport into Seattle in an average week, so prices vary by time and availability. 9,198 Alaska Airlines reviews by users on momondo have scored the airline at 8.0/10.
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Seattle?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Seattle for you.
Can I find flights from Washington, D.C. to Seattle with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington, D.C. to Seattle flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Seattle?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Seattle.
I’m not ready to book a flight from Washington, D.C. to Seattle right now. Can momondo alert me if prices change?
Price alerts on flights to Seattle from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.