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Home / Missoula — Ontario

Cheap flights Missoula — Ontario

Missoula (MSO, US) Ontario (ONT, US)
from $290 1 458 km ~2h 13m 1 flights found 1 airlines cheapest on Thursday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $290 on 26.11.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 1 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
26 Nov 2026, Thu
Alaska Airlines AS 3141
23:04
MSO Missoula International Airport
03:16
ONT Ontario International Airport
4h 12m 1 stop
Trip.com
$290
View this ticket
Route characteristics
Distance
1 458 km
Flight time
2h 13m
Time difference
-1h
Minimum price
from $290 (26.11.2026)
Average price
$290
Maximum price
$290
Cheapest day
Thursday
Departure airports (1)
MSO Missoula International Airport
Arrival airports (1)
ONT Ontario International Airport
Airlines (1)
AS Alaska Airlines
Agencies (1)
Trip.com
Airlines — cheapest prices 1
Alaska Airlines
Alaska Airlines
1 flights · 1 days
$290
Where to buy tickets 1
Trip.com
1 tickets · 1 days
from $290
Airports

From — Missoula (1)

  • MSO Missoula International Airport

To — Ontario (1)

  • ONT Ontario International Airport
Other destinations from Missoula
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US · Hub
Newburgh
US
Salt Lake City
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AE
Seattle
US
Oakland
US
New York
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Minneapolis
US · Hub
Long Beach
US
Los Angeles
US · Hub
Albuquerque
US
Honolulu
US
Frequently asked questions about the route Missoula — Ontario
How long is the flight from Missoula to Ontario?
Approximate flight time — 2h 13m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Missoula to Ontario?
The straight-line distance — 1 458 km.
How much do flights from Missoula to Ontario cost?
The minimum price over 3 months — from $290 on 26.11.2026.
What is the average ticket price?
The average price — $290. Range: $290 — $290.
What is the time difference between Missoula and Ontario?
The difference — -1h.
From which airports does Missoula operate flights?
From Missoula: MSO (Missoula International Airport).
To which airports in Ontario do flights arrive?
To Ontario: ONT (Ontario International Airport).
Which airlines fly this route?
This route is served by 1 airline: Alaska Airlines.
Which day of the week is cheapest?
The cheapest day of the week — Thursday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Missoula — Ontario

Flights Missoula — Ontario is a popular route. The straight-line distance is 1 458 km. Flight time 2h 13m. Time difference -1h.

From Missoula (MSO) flights depart from 1 airport: MSO. To Ontario (ONT) — 1 arrival airport: ONT.

1 airline operate on this route: Alaska Airlines.

The minimum price for the next 3 months — from $290 (26.11.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $290, ranging from $290 to $290. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Thursday.

Other destinations in United States from Missoula
Oakland
US
Los Angeles
US
Long Beach
US
Minneapolis
US
New York
US
Salt Lake City
US
Newburgh
US
Las Vegas
US

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