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DLS to BFI: distance & flight time
The Dalles (Columbia Gorge Regional the Dalles Municipal Airport) → Seattle (Boeing Field King County International Airport)
143 mi
230 km · 124 nm
51m
estimated nonstop flight time
Same time
time difference · heading north
See live DLS→BFI fares Phone-only fares on this route — call free
Flight time details
143 miles nonstop takes roughly 51m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- DLS — Columbia Gorge Regional the Dalles Municipal Airport · The Dalles, United States
- BFI — Boeing Field King County International Airport · Seattle, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near DLS
- TTD · Portland Troutdale Airport60 mi away
- PDX · Portland International Airport69 mi away
- YKM · Yakima Air Terminal McAllister Field72 mi away
- HIO · Portland Hillsboro Airport86 mi away
Near BFI
- SEA · Seattle Tacoma International Airport6 mi away
- RNT · Renton Municipal Airport5 mi away
- PWT · Bremerton National Airport22 mi away
- TIW · Tacoma Narrows Airport22 mi away
Frequently asked questions
How far is DLS from BFI?
The flight distance from The Dalles (DLS) to Seattle (BFI) is 143 miles (230 km, 124 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DLS to BFI?
A nonstop flight takes about 51m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from DLS to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DLS–BFI that never appear on search engines, with no booking fees.