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Washington To Seattle Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

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Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

April
August
September
October
November
December
January
February
March

April is by far the best month, wherein you can get cheapest flights for Washington to Seattle. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.

disclDisclaimer - All the mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Best Flight From Washington To Seattle

Southwest
Southwest

Washington

16:30

Washington Dulles International Airport [IAD]

Mon , 27 Apr 2026

11h 25m
ellipse
1 Stop

Seattle

00:55

Seattle Tacoma International Airport [SEA]

Tue, 28 Apr 2026

$85
Southwest
Southwest

Washington

17:05

Washington Dulles International Airport [IAD]

Sat , 02 May 2026

08h 05m
ellipse
1 Stop

Seattle

22:10

Seattle Tacoma International Airport [SEA]

Sat, 02 May 2026

$94
Southwest
Southwest

Washington

17:05

Washington Dulles International Airport [IAD]

Sat , 25 Apr 2026

08h 05m
ellipse
1 Stop

Seattle

22:10

Seattle Tacoma International Airport [SEA]

Sat, 25 Apr 2026

$94
Alaska Airlines
Alaska Airlines

Washington

07:00

Washington Dulles International Airport [IAD]

Wed , 15 Apr 2026

05h 53m
ellipse
Non Stop

Seattle

09:53

Seattle Tacoma International Airport [SEA]

Wed, 15 Apr 2026

$145
Hawaiian Airlines
Hawaiian Airlines

Washington

07:00

Washington Dulles International Airport [IAD]

Wed , 15 Apr 2026

05h 53m
ellipse
Non Stop

Seattle

09:53

Seattle Tacoma International Airport [SEA]

Wed, 15 Apr 2026

$145
Alaska Airlines
Alaska Airlines

Washington

07:00

Washington Dulles International Airport [IAD]

Thu , 16 Apr 2026

05h 53m
ellipse
Non Stop

Seattle

09:53

Seattle Tacoma International Airport [SEA]

Thu, 16 Apr 2026

$145
Hawaiian Airlines
Hawaiian Airlines

Washington

07:00

Washington Dulles International Airport [IAD]

Thu , 16 Apr 2026

05h 53m
ellipse
Non Stop

Seattle

09:53

Seattle Tacoma International Airport [SEA]

Thu, 16 Apr 2026

$145
Alaska Airlines
Alaska Airlines

Washington

19:11

Washington Dulles International Airport [IAD]

Tue , 07 Apr 2026

05h 51m
ellipse
Non Stop

Seattle

22:02

Seattle Tacoma International Airport [SEA]

Tue, 07 Apr 2026

$145
Hawaiian Airlines
Hawaiian Airlines

Washington

19:11

Washington Dulles International Airport [IAD]

Tue , 07 Apr 2026

05h 51m
ellipse
Non Stop

Seattle

22:02

Seattle Tacoma International Airport [SEA]

Tue, 07 Apr 2026

$145
United Airlines
United Airlines

Washington

17:55

Washington Dulles International Airport [IAD]

Sat , 02 May 2026

05h 58m
ellipse
Non Stop

Seattle

20:53

Seattle Tacoma International Airport [SEA]

Sat, 02 May 2026

$154
United Airlines
United Airlines

Washington

17:55

Washington Dulles International Airport [IAD]

Sat , 25 Apr 2026

05h 58m
ellipse
Non Stop

Seattle

20:53

Seattle Tacoma International Airport [SEA]

Sat, 25 Apr 2026

$154
ellipse

Early Morning Flight Washington to Seattle

wallet
Cheapest Flight
Found
$145
group
Average Flight
Time
05h 53m
calendra
Date/Time
15 Apr 2026
07:00 AM
plane
Airlines
Alaska Airlines
Ellipse

Late Night Flight Washington to Seattle

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Cheapest Flight
Found
$145
group
Average Flight
Time
05h 51m
calendar
Date/Time
07 Apr 2026
19:11 PM
plane
Airlines
Alaska Airlines