Lowest Prices
Find the lowest BFI airfares by comparing hundreds of airlines and agencies.
Good to Know: Flights to BFI
Useful information for finding cheap flights to Boeing Field King County International and booking your next trip
Cheapest Round Trip Flight
$368
X4
• nonstop
• 50m
Jul 11 – Jul 13
The cheapest round trip flight from Portland to Seattle (PDX-BFI-PDX) is currently $368
Cheapest Direct Flight
$368
X4
• nonstop
• 50m
Jul 11
The cheapest nonstop flight from Portland to Seattle (PDX-BFI) is currently $368
Fastest Flight
50m
The fastest nonstop flight from Portland to Seattle (PDX-BFI) takes 50m
Top Airlines Flying to Boeing Field King County International (BFI)
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.
Jul 11 - Jul 13, Economy
Portland → Seattle
50m
7:35 AM - 8:25 AM • nonstop
Portland → Seattle
50m
8:20 AM - 9:10 AM • nonstop
X4
Jul 10 - Jul 12, Economy
Portland → Seattle
50m
6:45 AM - 7:35 AM • nonstop
Portland → Seattle
50m
8:15 AM - 9:05 AM • nonstop
X4
Jul 11 - Jul 13, Economy
Portland → Seattle
1h 50m
7:05 AM - 8:15 AM • nonstop
Portland → Seattle
1h 41m
8:59 PM - 10:00 PM • nonstop
Delta Airlines
Jul 10 - Jul 12, Economy
Portland → Seattle
1h 52m
8:44 PM - 9:56 PM • nonstop
Portland → Seattle
1h 47m
6:55 PM - 8:02 PM • nonstop
Delta Airlines
Jul 10 - Jul 12, Economy
Portland → Seattle
1h 45m
5:30 AM - 6:35 AM • nonstop
Portland → Seattle
1h 41m
8:59 PM - 10:00 PM • nonstop
Delta Airlines
Need to travel to Seattle soon? View current last-minute flight options to BFI for spontaneous or pressing plans.
Maximize your time in Seattle, not in transit. Discover non-stop direct flights to BFI for the quickest, most straightforward journey to the Strip.
Jul 11 - Jul 13, Economy
Portland → Seattle
50m
7:35 AM - 8:25 AM • nonstop
Portland → Seattle
50m
8:20 AM - 9:10 AM • nonstop
X4
Jul 10 - Jul 12, Economy
Portland → Seattle
50m
6:45 AM - 7:35 AM • nonstop
Portland → Seattle
50m
8:15 AM - 9:05 AM • nonstop
X4
Jul 11 - Jul 13, Economy
Portland → Seattle
1h 50m
7:05 AM - 8:15 AM • nonstop
Portland → Seattle
1h 41m
8:59 PM - 10:00 PM • nonstop
Delta Airlines
Jul 10 - Jul 12, Economy
Portland → Seattle
1h 52m
8:44 PM - 9:56 PM • nonstop
Portland → Seattle
1h 47m
6:55 PM - 8:02 PM • nonstop
Delta Airlines
Jul 10 - Jul 12, Economy
Portland → Seattle
1h 45m
5:30 AM - 6:35 AM • nonstop
Portland → Seattle
1h 41m
8:59 PM - 10:00 PM • nonstop
Delta Airlines
FAQs on Flights to Seattle (BFI)
Which airlines fly to Seattle?
Airlines flying the most to Seattle (BFI)
What is the cheapest flight to BFI Airport?
In the past couple of days, the cheapest tickets to BFI were found on DL : USD 693
What are the most popular origin to Seattle (BFI)?
Travelers frequently travel from Portland, Spokane to Seattle (BFI)
Airport Information: Boeing Field King County International (BFI)
- IATA Code
- BFI
- Name
- Boeing Field King County International
- City
- Seattle
- Country
- US
- Latitude
- 47.529998779296875
- Longitude
- -122.302001953125
More Flight Options to Seattle, WA
Why Fareleaders for Flights to BFI
New Deals Everyday
Never miss a deal on BFI flights—we update prices daily to bring you the best airfares.
No Service Fees
Compare hundreds of BFI flights and find the best deals without any added service charges.