$124 Cheap Flights from Seattle Paine Field Intl. Airport (PAE) to Washington (IAD)

View $124 flight on Fri, Jul 25, 2025Opens in a new window

Popular airlines from Seattle Paine Field Intl. Airport (PAE) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Seattle Paine Field Intl. Airport to Washington (PAE-IAD)

Prices were available within the past 7 days and start at $124 for one-way flights and $304 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Jul 18 - Mon, Jul 21
PAE
Seattle
IAD
Washington
$304 Roundtrip, found 1 day ago
$304
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Jul 18 from Seattle to Washington, returning Mon, Jul 21, priced at $304 found 1 day ago
Frontier Airlines
Mon, Aug 11 - Mon, Aug 18
PAE
Seattle
IAD
Washington
$334 Roundtrip, found 2 hours ago
$334
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Aug 11 from Seattle to Washington, returning Mon, Aug 18, priced at $334 found 2 hours ago
Frontier Airlines
Fri, Jul 11 - Mon, Jul 14
PAE
Seattle
IAD
Washington
$337 Roundtrip, found 1 day ago
$337
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Jul 11 from Seattle to Washington, returning Mon, Jul 14, priced at $337 found 1 day ago
Frontier Airlines
Mon, Jul 14 - Fri, Jul 18
PAE
Seattle
IAD
Washington
$339 Roundtrip, just found
$339
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Jul 14 from Seattle to Washington, returning Fri, Jul 18, priced at $339 just found
Frontier Airlines
Mon, Jul 28 - Fri, Aug 1
PAE
Seattle
IAD
Washington
$344 Roundtrip, found 2 hours ago
$344
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Jul 28 from Seattle to Washington, returning Fri, Aug 1, priced at $344 found 2 hours ago
Frontier Airlines
Fri, Jul 11 - Sun, Jul 13
PAE
Seattle
IAD
Washington
$373 Roundtrip, found 3 days ago
$373
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Jul 11 from Seattle to Washington, returning Sun, Jul 13, priced at $373 found 3 days ago
Frontier Airlines
Mon, Aug 4 - Mon, Aug 11
PAE
Seattle
IAD
Washington
$379 Roundtrip, found 13 hours ago
$379
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Mon, Aug 4 from Seattle to Washington, returning Mon, Aug 11, priced at $379 found 13 hours ago
Hawaiian Airlines
Tue, Sep 9 - Tue, Sep 16
PAE
Seattle
IAD
Washington
$402 Roundtrip, found 5 days ago
$402
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Sep 9 from Seattle to Washington, returning Tue, Sep 16, priced at $402 found 5 days ago
Alaska Airlines
Tue, Aug 12 - Tue, Aug 19
PAE
Seattle
IAD
Washington
$444 Roundtrip, found 6 days ago
$444
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Seattle to Washington, returning Tue, Aug 19, priced at $444 found 6 days ago
American Airlines
Tue, Aug 5 - Fri, Aug 22
PAE
Seattle
IAD
Washington
$2,577 Roundtrip, found 6 days ago
$2,577
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Aug 5 from Seattle to Washington, returning Fri, Aug 22, priced at $2,577 found 6 days ago
Flights from Seattle Paine Field Intl. Airport (PAE) to Washington (IAD)
Origin airport
Seattle Paine Field Intl. Airport
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, Frontier Airlines, Hawaiian Airlines
Roundtrip price
$304
Distance
2297 mi

Seattle Paine Field Intl. Airport to Washington Flights

The cheapest times to fly from Seattle Paine Field Intl. Airport to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle Paine Field Intl. Airport to Washington are during the month of July. You can find some of the cheapest flights from Seattle Paine Field Intl. Airport to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle Paine Field Intl. Airport to Washington

Sunday is one of the best days to book for cheap flights from Seattle Paine Field Intl. Airport to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle Paine Field Intl. Airport to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle Paine Field Intl. Airport to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $124 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle Paine Field Intl. Airport to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle Paine Field Intl. Airport to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Snohomish County - Paine Field Airport (PAE) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from PAE to IAD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PAE to IAD?
The cheapest flights from PAE to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Snohomish County - Paine Field Airport (PAE) to Washington Dulles Intl. Airport (IAD)?
There are no direct routes from Seattle Paine Field Intl. Airport (PAE) to Washington Dulles Intl. Airport (IAD). However, you'll find other airports that have nonstop flights. Board your plane at Seattle - Tacoma Intl. Airport (SEA) and travel straight to Washington without a layover.
What is the cheapest airline that flies from PAE to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PAE to IAD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Snohomish County - Paine Field Airport (PAE) to Washington Dulles Intl. Airport (IAD)?
There aren't any daily direct flights available from Snohomish County - Paine Field Airport (PAE) to Washington Dulles Intl. Airport (IAD). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from PAE to IAD?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Snohomish County - Paine Field Airport (PAE) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Snohomish County - Paine Field Airport (PAE) to Washington Dulles Intl. Airport (IAD) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Snohomish County - Paine Field Airport (PAE) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute bookings from PAE to IAD are usually more expensive. To lock in the cheapest rates, start searching for flights ahead of time. That said, if you're flexible with your travel plans, you may land a cheap ticket right before your trip.
Is it cheaper to book a PAE to IAD flight and hotel package?
Booking a PAE to IAD flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Snohomish County - Paine Field Airport (PAE) to Washington Dulles Intl. Airport (IAD)?
If you booked your PAE to IAD flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.