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Find the lowest SEA airfares by comparing hundreds of airlines and agencies.
Good to Know: Flights to SEA
Useful information for finding cheap flights to Seattle Tacoma International and booking your next trip
Cheapest Round Trip Flight
$519
American Airlines• 1 stop • 15h 30mJan 23 – Jan 28
The cheapest round trip flight from Logan International to Seattle Tacoma International is currently $519
Cheapest One way Flight
$426
Hawaiian Airlines• 1 stop• 32h 3mJan 22
The cheapest one way flight from Dallas Fort Worth International to Seattle Tacoma International is currently $426
Cheapest Direct Flight
$486
Hawaiian Airlines• nonstop• 10h 33mJan 23
The cheapest nonstop flight from Logan International to Seattle Tacoma International is currently $486
Fastest Flight
10h 28m
The fastest nonstop flight from Logan International to Seattle Tacoma International takes 10h 28m
Best Flight Deals to Seattle
Identify the most efficient round-trip flights to Seattle. We present options balancing cost and convenience for your return journey.
Jan 23 - Jan 28, Economy
Boston → Seattle
15h 30m
3:50 PM - 10:20 PM • 1 stop
Boston → Seattle
38h 39m
8:04 AM - 10:23 AM • 1 stop
American Airlines
Jan 23 - Jan 28, Economy
Boston → Seattle
14h 17m
4:10 PM - 10:07 PM • 1 stop
Boston → Seattle
8h 34m
3:40 PM - 11:54 PM • nonstop
American Airlines
Jan 23 - Jan 28, Economy
Boston → Seattle
15h 30m
3:50 PM - 10:20 PM • 1 stop
Boston → Seattle
8h 34m
3:40 PM - 11:54 PM • nonstop
American Airlines
Jan 23 - Jan 28, Economy
Boston → Seattle
14h 17m
4:10 PM - 10:07 PM • 1 stop
Boston → Seattle
12h 29m
6:12 AM - 5:01 PM • 1 stop
American Airlines
Jan 23 - Jan 28, Economy
Boston → Seattle
12h 36m
2:43 PM - 10:20 PM • 1 stop
Boston → Seattle
10h 31m
6:12 AM - 5:01 PM • 1 stop
American Airlines
For travel requiring no set return, access available one-way flights to Seattle (SEA). These options support extended stays or open-ended plans.
Need to travel to Seattle soon? View current last-minute flight options to SEA for spontaneous or pressing plans.
Jan 23 - Jan 28, Economy
Boston → Seattle
27h 15m
5:20 PM - 6:55 AM • 1 stop
Boston → Seattle
8h 45m
7:55 AM - 4:20 PM • nonstop
Alaska Airlines
Jan 23 - Jan 28, Economy
Boston → Seattle
30h 48m
5:20 PM - 9:08 AM • 1 stop
Boston → Seattle
8h 45m
7:55 AM - 4:20 PM • nonstop
Alaska Airlines
Jan 23 - Jan 28, Economy
Boston → Seattle
29h 14m
5:20 PM - 8:14 AM • 1 stop
Boston → Seattle
8h 45m
7:55 AM - 4:20 PM • nonstop
Alaska Airlines
Jan 23 - Jan 28, Economy
Boston → Seattle
29h 14m
5:20 PM - 8:14 AM • 1 stop
Boston → Seattle
8h 34m
3:40 PM - 11:54 PM • nonstop
Hawaiian Airlines
Jan 23 - Jan 28, Economy
Boston → Seattle
27h 15m
5:20 PM - 6:55 AM • 1 stop
Boston → Seattle
8h 34m
3:40 PM - 11:54 PM • nonstop
Hawaiian Airlines
Maximize your time in Seattle, not in transit. Discover non-stop direct flights to SEA for the quickest, most straightforward journey to the Strip.
Jan 23 - Jan 28, Economy
Boston → Seattle
10h 33m
6:44 PM - 10:17 PM • nonstop
Boston → Seattle
8h 34m
3:40 PM - 11:54 PM • nonstop
Hawaiian Airlines
Jan 23 - Jan 28, Economy
Boston → Seattle
10h 28m
6:45 PM - 10:13 PM • nonstop
Boston → Seattle
8h 49m
7:40 AM - 4:09 PM • nonstop
Delta Airlines
Jan 23 - Jan 28, Economy
Boston → Seattle
10h 33m
6:44 PM - 10:17 PM • nonstop
Boston → Seattle
8h 34m
3:40 PM - 11:54 PM • nonstop
Alaska Airlines
Jan 23 - Jan 28, Economy
Boston → Seattle
10h 34m
7:00 AM - 10:34 AM • nonstop
Boston → Seattle
8h 45m
7:55 AM - 4:20 PM • nonstop
American Airlines
Jan 23 - Jan 28, Economy
Boston → Seattle
10h 34m
7:00 AM - 10:34 AM • nonstop
Boston → Seattle
8h 45m
7:55 AM - 4:20 PM • nonstop
Alaska Airlines
Destination Airport Information
| IATA Code | SEA |
| Name | Seattle Tacoma International |
| City | Seattle |
| Country | US |
| Latitude | 47.44900131225586 |
| Longitude | -122.30899810791016 |
Popular Airlines
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