
$75 Cheap flight deals from Seattle (SEA) to National Harbor (WAS)
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This Weekend's Flight Deals from Seattle to National Harbor
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $75 One Way, $152 Round Trip from Seattle to National Harbor
Prices starting at $152 for return flights and $75 for one-way flights to National Harbor were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
National Harbor economy flight packages

YOTEL Washington DC
May 16 - May 19
Seattle (SEA) to Washington (DCA)
Washington (DCA) to Seattle (SEA)
Reviewed on Sep 26, 2025


Washington Plaza Hotel
May 16 - May 19
Seattle (SEA) to Washington (DCA)
Washington (DCA) to Seattle (SEA)
Reviewed on Mar 4, 2026
More About Flying To National Harbor from Seattle
Route Information for Flights from Seattle to National Harbor
Origin Airport IATA Code | SEA |
|---|---|
Destination Airport IATA Code | WAS |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Seattle to National Harbor
If you are looking online for bargain Seattle to National Harbor flights, Orbitz is your ideal destination. We understand that vacations can be expensive and offer guaranteed low prices on our domestic and international tickets.
Orbitz Uses Cutting-Edge Mobile Tools
Orbitz may offer low cost Seattle to National Harbor flights but this does not mean that we skimp on giving you the latest mobile apps. You don’t have to worry about checking your flight status as we send the info for your flights from Seattle to National Harbor directly to your smartphone.
Fly Cheap and Earn Miles on Your Seattle to National Harbor Flights
Frequent flyer miles and points are great—and even better when you earn them on cheap flights from Seattle to National Harbor. With Orbitz, you can earn miles for your frequent flyer program on qualified flights. Enter your frequent flyer number when you book with us to get rewarded for your flight.
Orbitz Takes the Hassle Out Of Flying
We know that flying can be stressful, particularly if you are traveling with young children. That’s why we make sure you are aware of any changes or delays to your flights from Seattle to National Harbor via your phone or email address. We can even inform family members too.
Orbitz Flights Fit Around Your Lifestyle
Orbitz understands that you don’t necessarily want to fly at 5:00 a.m—and that sometimes you do. This is why we allow you to find the best Seattle to National Harbor flights at the times you want with ease.
Flights from Seattle
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.





