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Cheap flights Ontario to Seattle (Tacoma)

1 passenger, economy

Nonstop flights from Ontario to Seattle: Alaska Airlines, Frontier Airlines. Nonstop flights per week: 5. Flight time: 3 hours 2 minutes. Distance: 1539 km. Tickets from TSh204 710 (departure 27 October).

Prices updated on 26 October at 11:04

See also: Seattle (Tacoma) — OntarioFlights from OntarioFlights to Seattle (Tacoma)

Cheap flights Ontario to Seattle

Compare prices, duration and stops

Alaska Airlines
AS 475 🔥 Hot deal Best price
11:13
Ontario (ONT)
Tue, 27 Oct
2h 43min
Direct
13:56
Tacoma (SEA)
Tue, 27 Oct
TSh204 710
Frontier Airlines
F9 1500 🔥 Hot deal
06:25
Ontario (ONT)
Sat, 31 Oct
8h 47min
Direct
15:12
Tacoma (SEA)
Sat, 31 Oct
TSh315 470
Frontier Airlines
F9 1500
06:30
Ontario (ONT)
Sat, 14 Nov
8h 42min
1 stop
15:12
Tacoma (SEA)
Sat, 14 Nov
TSh272 415
Frontier Airlines
F9 2275
04:06
Ontario (ONT)
Fri, 20 Nov
3h 2min
Direct
07:08
Tacoma (SEA)
Fri, 20 Nov
TSh282 766
Frontier Airlines
F9 2275
17:00
Ontario (ONT)
Sun, 29 Nov
3h 3min
Direct
20:03
Tacoma (SEA)
Sun, 29 Nov
TSh541 432
Alaska Airlines
AS 677 🔥 Hot deal
11:36
Ontario (ONT)
Tue, 2 Feb
2h 50min
Direct
14:26
Tacoma (SEA)
Tue, 2 Feb
TSh228 932

Direct flight schedule Ontario — Seattle

Direct flights: 1

Departure → arrivalFlightAirport DaysDurationPrice
04:06→07:08 Frontier Airlines F9 2275 OntarioONT MonTueWedThuFriSatSun 3h 2min
Local time: departure at the departure airport, arrival at the arrival airport. Days and prices are based on tickets found for the coming months.

Low price calendar

From
To
October 2026 — no data Mon, 26 Oct · One way

Prices as of 26 October, 11:04 Moscow time

Cheap flights Ontario to Seattle

Frontier Airlines
Frontier Airlines
Fri, Sat, Sun
Price from
TSh272 415

Round trip Ontario — Seattle

TripOutboundReturnOutbound + returnTotal
Weekend tripSat, 14 NovSun, 15 Nov TSh272 415 + TSh359 964
One weekSat, 14 NovSat, 21 Nov TSh272 415 + TSh222 716

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

Prices as of 26 October, 11:04 Moscow time

Popular destinations from Ontario

All →
ONT
Ontario — San Francisco
United States → United States
SFO
from
TSh44 065
ONT
Ontario — Denver
United States → United States
DEN
from
TSh81 639
ONT
Ontario — Oakland
United States → United States
OAK
from
TSh172 097
ONT
Ontario — Nashville
United States → United States
BNA
from
TSh185 111
ONT
Ontario — San Antonio
United States → United States
SAT
from
TSh242 926
ONT
Ontario — San Jose
United States → United States
SJC
from
TSh248 775
ONT
Ontario — Boise
United States → United States
BOI
from
TSh277 254
ONT
Ontario — Kansas City
United States → United States
MCI
from
TSh283 470

Popular destinations to Seattle

All →
SFO
San Francisco — Seattle
United States → United States
SEA
from
TSh140 342
SAN
San Diego — Seattle
United States → United States
SEA
from
TSh164 319
LAX
Los Angeles — Seattle
United States → United States
SEA
from
TSh183 917
OAK
Oakland — Seattle
United States → United States
SEA
from
TSh189 613
LAS
Las Vegas — Seattle
United States → United States
SEA
from
TSh205 781
PHX
Phoenix — Seattle
United States → United States
SEA
from
TSh226 237
SLC
Salt Lake City — Seattle
United States → United States
SEA
from
TSh244 733
FAT
Fresno — Seattle
United States → United States
SEA
from
TSh258 054
DEN
Denver — Seattle
United States → United States
SEA
from
TSh260 320

Cheap flights Ontario to Seattle

Price from
TSh272 415
Average price
TSh277 591
Flight time
3 hours 2 minutes
Distance
1 539 km
Рейсов в неделю
5
Airlines
2
Most frequent flight
F9 1500

Prices as of 26 October, 11:04 Moscow time

Airports on the Ontario — Seattle route

From → to Flights Direct Airlines Price from
OntarioONT TacomaSEA
442

Departure airports · Ontario

  • OntarioONT

Arrival airports · Seattle

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United States

All plans

change

3 GB

data

30

days

TSh22 196

Buy

change

2 GB

data

15

days

TSh30 828

Buy

change

5 GB

data

30

days

TSh34 528

Buy

change

3 GB

data

30

days

TSh39 460

Buy

change

5 GB

data

30

days

TSh55 491

Buy

Frequently Asked Questions

Yes. Nonstop flights from Ontario to Seattle are operated by: Alaska Airlines, Frontier Airlines. A nonstop flight takes 3 hours 2 minutes on average. Nonstop tickets start at TSh204 710.
The average ticket price Ontario Seattle is TSh277 591. The cheapest ticket costs TSh204 710, operated by Alaska Airlines, flight AS 475, departing Ontario on 27 October at 11:13, arriving Seattle on 27 October at 13:56. Prices as of 26 October.
A nonstop flight takes 3 hours 2 minutes on average. The fastest is AS 475 Alaska Airlines: 2 hours 43 minutes. With a connection: from 8 hours 42 minutes, usually about 9 hours.
Tickets from Ontario to Seattle are sold by: Alaska Airlines, Frontier Airlines. All of them fly nonstop.
The distance from Ontario to Seattle is 1539 km.
Tickets from Seattle to Ontario start at TSh89 448. The average price is TSh351 329. Nonstop flights are operated by: Frontier Airlines. All tickets Seattle — Ontario