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Cheap flights Ontario to Boeing Field King County International Airport

1 passenger, economy

There are no nonstop flights from Ontario to Boeing Field King County International Airport. With a connection, the trip takes from 7 hours 25 minutes. Distance: 1549 km. Tickets from $308 (departure 14 November).

Prices updated on 24 October at 10:53

See also: Flights from OntarioFlights to Boeing Field King County International Airport (Seattle)

Cheap flights Ontario to Boeing Field King County International Airport

Compare prices, duration and stops

Frontier Airlines
F9 1262 Best price
11:52
Ontario (ONT)
Sat, 14 Nov
29h 18min
2 stops
17:10
Boeing Field King County International Airport (BFI)
Sun, 15 Nov +1
$308
Frontier Airlines
F9 4206
07:35
Ontario (ONT)
Fri, 20 Nov
25h 40min
2 stops
09:15
Boeing Field King County International Airport (BFI)
Sat, 21 Nov +1
$467
Frontier Airlines
F9 2913
20:45
Ontario (ONT)
Sun, 29 Nov
7h 25min
1 stop
04:10
Boeing Field King County International Airport (BFI)
Mon, 30 Nov +1
$799

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From
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October 2026 — no data Sat, 24 Oct · One way

Prices as of 24 October, 11:05 Moscow time

Cheap flights Ontario to Boeing Field King County International Airport

Frontier Airlines
Frontier Airlines
Fri, Sat, Sun
Price from
$308

Round trip Ontario — Boeing Field King County International Airport

TripOutboundReturnOutbound + returnTotal
Weekend tripSat, 14 NovSun, 15 Nov $110 + $146
One weekSat, 14 NovSat, 21 Nov $110 + $90

Two one-way tickets combined, price per adult. Tap a price to search these dates.

Prices as of 24 October, 11:05 Moscow time

Popular destinations from Ontario

All →
ONT
Ontario — Denver
United States → United States
DEN
from
$33
ONT
Ontario — Oakland
United States → United States
OAK
from
$70
ONT
Ontario — Nashville
United States → United States
BNA
from
$75
ONT
Ontario — San Francisco
United States → United States
SFO
from
$81
ONT
Ontario — San Jose
United States → United States
SJC
from
$101
ONT
Ontario — Austin
United States → United States
AUS
from
$106
ONT
Ontario — Seattle
United States → United States
SEA
from
$110
ONT
Ontario — Boise
United States → United States
BOI
from
$112
ONT
Ontario — Kansas City
United States → United States
MKC
from
$115

Popular destinations to Boeing Field King County International Airport

All →
SAN
San Diego — Seattle
United States → United States
BFI
from
$207
LAX
Los Angeles — Seattle
United States → United States
BFI
from
$207
SLC
Salt Lake City — Seattle
United States → United States
BFI
from
$238
PHX
Phoenix — Seattle
United States → United States
BFI
from
$258
SFO
San Francisco — Seattle
United States → United States
BFI
from
$286
NYC
New York — Seattle
United States → United States
BFI
from
$299
CHI
Chicago — Seattle
United States → United States
BFI
from
$309
MSP
Minneapolis — Seattle
United States → United States
BFI
from
$313

Cheap flights Ontario to Boeing Field King County International Airport

Price from
$308
Average price
$467
Flight time
25 hours 40 minutes
Distance
1 549 km
Рейсов в неделю
3
Airlines
1
Most frequent flight
F9 1262

Prices as of 24 October, 10:53 Moscow time

Airports on the Ontario — Boeing Field King County International Airport route

From → to Flights Direct Airlines Price from
OntarioONT Boeing Field King County International AirportBFI
301

Departure airports · Ontario

  • OntarioONT

Arrival airports · Boeing Field King County International Airport

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Frequently Asked Questions

Based on the tickets found, there are no nonstop flights from Ontario to Boeing Field King County International Airport — you will need to fly with a connection. Tickets with a connection start at $308. The journey takes from 7 hours 25 minutes.
The average ticket price Ontario Boeing Field King County International Airport is $467. The cheapest ticket costs $308, operated by Frontier Airlines, flight F9 1262, departing Ontario on 14 November at 11:52, arriving Boeing Field King County International Airport on 15 November at 17:10. Prices as of 24 October.
There are no nonstop flights. With a connection: from 7 hours 25 minutes, usually about 26 hours.
Tickets from Ontario to Boeing Field King County International Airport are sold by: Frontier Airlines. All flights have connections.
The distance from Ontario to Boeing Field King County International Airport is 1549 km.