$104 Cheap flight deals from Washington (WAS) to SeaTac (SEA)

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This Weekend's Flight Deals from Washington to SeaTac

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.

Sat, Jun 28 - Mon, Jun 30
BWI
Baltimore Washington Intl. Thurgood Marshall
SEA
Seattle - Tacoma Intl.
$424 Roundtrip, found 1 hour ago
$424
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Jun 28 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Mon, Jun 30, priced at $424 found 1 hour ago
Sun, Jun 29 - Thu, Jul 3
DCA
Ronald Reagan Washington National
SEA
Seattle - Tacoma Intl.
$465 Roundtrip, found 1 hour ago
$465
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, Jun 29 from Ronald Reagan Washington National to Seattle - Tacoma Intl., returning Thu, Jul 3, priced at $465 found 1 hour ago
Fri, Jun 27 - Mon, Jun 30
IAD
Washington Dulles Intl.
PAE
Seattle Paine Field Intl. Airport
$666 Roundtrip, found 1 hour ago
$666
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Jun 27 from Washington Dulles Intl. to Seattle Paine Field Intl. Airport, returning Mon, Jun 30, priced at $666 found 1 hour ago
Fri, Jun 27 - Mon, Jun 30
IAD
Washington Dulles Intl.
PAE
Seattle Paine Field Intl. Airport
$666 Roundtrip, found 1 hour ago
$666
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Jun 27 from Washington Dulles Intl. to Seattle Paine Field Intl. Airport, returning Mon, Jun 30, priced at $666 found 1 hour ago

Airfares from $104 One Way, $207 Round Trip from Washington to SeaTac

Prices starting at $207 for return flights and $104 for one-way flights to SeaTac were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 17 - Fri, Sep 26
BWI
Baltimore
SEA
Seattle
$207 Roundtrip, found 1 day ago
$207
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 17 from Baltimore to Seattle, returning Fri, Sep 26, priced at $207 found 1 day ago
Tue, Sep 9 - Tue, Sep 23
DCA
Washington
SEA
Seattle
$254 Roundtrip, found 5 hours ago
$254
Roundtrip
found 5 hours ago
Select Bargain Flight flight, departing Tue, Sep 9 from Washington to Seattle, returning Tue, Sep 23, priced at $254 found 5 hours ago
Wed, Sep 17 - Fri, Sep 26
BWI
Baltimore
SEA
Seattle
$277 Roundtrip, found 1 day ago
$277
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Sep 17 from Baltimore to Seattle, returning Fri, Sep 26, priced at $277 found 1 day ago
Mon, Jun 30 - Fri, Jul 4
IAD
Washington
PAE
Seattle
$302 Roundtrip, found 2 hours ago
$302
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Jun 30 from Washington to Seattle, returning Fri, Jul 4, priced at $302 found 2 hours ago
Mon, Sep 1 - Sat, Sep 6
DCA
Washington
PAE
Seattle
$356 Roundtrip, found 8 hours ago
$356
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Mon, Sep 1 from Washington to Seattle, returning Sat, Sep 6, priced at $356 found 8 hours ago

SeaTac economy flight packages

Price found within the past 48 hours. Click for updated prices.
The Inn at Virginia Mason
2.5-star property

The Inn at Virginia Mason

7.6/10 Good! (1,096 reviews)

Jul 31 - Aug 6

6 night stay

Baltimore (BWI) to Seattle (SEA)

United • Non-stop • Coach

Seattle (SEA) to Baltimore (BWI)

Spirit Airlines • Non-stop • Coach
Save 100% on your flight
per person
found 1 day ago
The unique art deco style was fun to look at, and the room furnishings were quaint. We enjoyed our stay.

Reviewed on Jun 19, 2025

Lotte Hotel Seattle
5.0-star property

Lotte Hotel Seattle

9.4/10 Exceptional! (903 reviews)

Jul 31 - Aug 6

6 night stay

Baltimore (BWI) to Seattle (SEA)

United • Non-stop • Coach

Seattle (SEA) to Baltimore (BWI)

Spirit Airlines • Non-stop • Coach
Save 100% on your flight
per person
found 1 day ago
Check in gal, jasmine was AMAZING. Very friendly. All the gentlmen that were doing vallet were also very respectful and friendly! The rooms were so great and clean! Definitely will be staying there again!

Reviewed on May 19, 2025

1 Hotel Seattle
5.0-star property

1 Hotel Seattle

9/10 Wonderful! (27 reviews)

Aug 7 - Aug 10

3 night stay

Baltimore (BWI) to Seattle (SEA)

United • Non-stop • Coach

Seattle (SEA) to Baltimore (BWI)

Spirit Airlines • Non-stop • Coach
Save 100% on your flight
per person
found 17 hours ago
This was our third time staying at this particular hotel in the last 10 years so we have a history to compare it to. It will be the last time we stay here. For the room price and the options that you have to DEPEND on the hotel staff to provide for you in a timely manner, it wasn't worth it. Nice property to look at though

Reviewed on May 27, 2025

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More About Flying To SeaTac from Washington

Route Information for Flights from Washington to SeaTac

Origin Airport IATA Code
WAS
Destination Airport IATA Code
SEA
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Washington to SeaTac

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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.