Cheap flights from Missoula to Ontario (MSO - ONT)

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How to find the cheapest flight from
Missoula (MSO) to Ontario (ONT)

All the information you need to plan the best MSO to ONT flight in 2021: compare Missoula to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
MSO - ONT
Price
$128 - $384
ONT
Temperature
53.6 - 78.8 °F
ONT
Precipitation
0.1 - 3.4 inches

Popular in

December

High demand for flights, 25% potential price rise

Cheapest in

July

Best time to find cheap flights, 55% potential price drop

Average price

$276

Average for round-trip flights in October 2021

Round-trip from

$128

From Missoula Johnson-Bell Field to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Missoula to Ontario (MSO - ONT)?

It’s optimal to fly from Missoula to Ontario in the afternoon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.

What is the cheapest month to fly from Missoula to Ontario?

June can be a great time to fly to Ontario from Missoula with a flight ticket averaging about $244. Cheapflights users have found deals in the month of June for as cheap as $81. The most expensive prices can be found in the month of December.

What is the cheapest day to fly round-trip from Missoula to Ontario?

Friday flights are generally found to be more expensive for flights from Missoula to Ontario. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ontario.

How far in advance should I book a flight from Missoula to Ontario?

Travelers have found it’s best to book a flight 26 days in advance to save up to 48% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 26 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Missoula to Ontario 1-2 weeks in advance for as low as $297, or $379 for flights within the next 24 hours.

Cheap flights from Missoula to Ontario in October, November 2021

The best prices found for MSO to ONT flights for October, November
3 Nov - 6 Nov
$237pp
MSO
Missoula Johnson-Bell Field
Delta
 
1 STOP
ONT
Ontario
ONT
Ontario
Delta
 
1 STOP
MSO
Missoula Johnson-Bell Field
3 Nov - 5 Nov
$267pp
MSO
Missoula Johnson-Bell Field
Delta
 
1 STOP
ONT
Ontario
ONT
Ontario
Delta
 
1 STOP
MSO
Missoula Johnson-Bell Field
6 Nov - 8 Nov
$291pp
MSO
Missoula Johnson-Bell Field
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
MSO
Missoula Johnson-Bell Field

Missoula Johnson-Bell Field to Ontario 2021 flight deals

Cheap flights to Ontario from Missoula found for this year
3 Nov - 6 Nov
$237pp
MSO
Missoula Johnson-Bell Field
Delta
 
1 STOP
ONT
Ontario
ONT
Ontario
Delta
 
1 STOP
MSO
Missoula Johnson-Bell Field
3 Nov - 5 Nov
$267pp
MSO
Missoula Johnson-Bell Field
Delta
 
1 STOP
ONT
Ontario
ONT
Ontario
Delta
 
1 STOP
MSO
Missoula Johnson-Bell Field
6 Nov - 8 Nov
$291pp
MSO
Missoula Johnson-Bell Field
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
MSO
Missoula Johnson-Bell Field

Last minute flights from Missoula to Ontario

Late deals on round-trip flights to Ontario from Missoula, departing today and this week
31 Oct - 6 Nov
$301pp
MSO
Missoula Johnson-Bell Field
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Alaska Airlines
 
1 STOP
MSO
Missoula Johnson-Bell Field
31 Oct - 5 Nov
$331pp
MSO
Missoula Johnson-Bell Field
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Alaska Airlines
 
1 STOP
MSO
Missoula Johnson-Bell Field
27 Oct - 30 Oct
$335pp
MSO
Missoula Johnson-Bell Field
Alaska Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Alaska Airlines
 
1 STOP
MSO
Missoula Johnson-Bell Field

One-way flights to Ontario from Missoula

The cheapest one-way flights from Missoula to Ontario
1:35 am - 7:34 am
United Airlines
1 Stop
6h 59m
MSO - ONT
United Airlines
$371
United
8:40 am - 3:43 am
American Airlines
2 Stops
20h 03m
MSO - ONT
American Airlines
3:10 am - 3:42 pm
Alaska Airlines
2 Stops
13h 32m
MSO - ONT
Alaska Airlines
$558
Travel2Be

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Missoula</span> to <span class="emphasized">Ontario</span> flights.

Flight FAQs

From Missoula to Ontario

Which airlines flying from Missoula Johnson-Bell Field to Ontario have flexible cancellations due to COVID-19?

Some of our airline partners flying from Missoula Johnson-Bell Field to Ontario have new flexible policies in place due to COVID-19. Delta, Alaska Airlines, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Delta with this kind of flexibility.

Can I find flights from Missoula to Ontario for under $300 on Cheapflights?

Yes, there are multiple flights from Missoula to Ontario for under $300. The cheapest flight booked recently is on Alaska Airlines for just $217, but on average you can expect to pay $275.

Are there last-minute flights available from Missoula to Ontario for under $400?

There are currently 20+ open flights from Missoula to Ontario within the next 7 days for less than $400.

What are the cheapest airlines flying from Missoula to Ontario round-trip?

According to our current data, Alaska Airlines ($217), Delta ($237), and American Airlines ($275) offers the cheapest pricing from Missoula to Ontario. Users have found that Alaska Airlines is 24% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Missoula to Ontario one-way?

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $173. However, be on the lookout for offers from Alaska Airlines and United Airlines, as they are both options that can get you from Missoula to Ontario for a low price.

What are the cheapest flights from Missoula to Ontario?

Looking at all options, your cheapest flight can be booked for $102. While the most popular route (Missoula Johnson-Bell Field - Ontario) can be booked for $240 on average our data indicates $268 when flying from Missoula to Ontario

What are the most popular airlines that fly from Missoula to Ontario?

Alaska Airlines, Delta and United Airlines are the most popular airlines when flying from Missoula to Ontario.

COVID Restrictions

View COVID Travel Restrictions for Ontario, CA

Do I need a COVID test to fly to Ontario from Missoula?

Information is based on travel restrictions for travel to Ontario within the United States

Most visitors from Missoula Johnson-Bell Field need to provide a negative COVID-19 test result and/or quarantine to enter Ontario.

COVID-19 testing requirements
Visitors from Missoula Johnson-Bell Field must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from Missoula Johnson-Bell Field are not required to quarantine after entering Ontario.

Do I need a test to fly back to Missoula from Ontario?

Returning to Missoula Johnson-Bell Field from Ontario

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Missoula Johnson-Bell Field.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Missoula Johnson-Bell Field.

Hide COVID Travel Restrictions for Ontario, CA

Alternative routes for Missoula to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Ontario

Things to know before you go - useful duration and weather info for your trip from Missoula to Ontario.

Airports servicing Missoula

Airports servicing Ontario

Top 3 airlines flying from Missoula Johnson-Bell Field to Ontario

The chart below displays the airlines Cheapflights users traveling from Missoula to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$105 $274 No cancel fee 69%
Delta
$129 $316 No cancel fee N/A
Alaska Airlines
$134 $258 No cancel fee 75%
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