Cheap flights from Missoula to Ontario (MSO - ONT) from $119

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to Ontario departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MSO — ONT
Mar 5 — Mar 121

Cheap flight deals from Missoula to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 29, 2024.

Popular in

December

Cheapest in

January

Round-trip from

$238

One-way from

$120
High demand for flights, 34% potential price rise
Best time to find cheap flights, 33% potential price drop
From Missoula Johnson-Bell Field to Ontario
One-way flight from Missoula Johnson-Bell Field to Ontario

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

Sunday 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 39 days in advance to save up to 187% 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 39 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 $98, or $250 for flights within the next 24 hours.

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 $412. Cheapflights users have found deals in the month of June for as cheap as $54. The most expensive prices can be found in the month of November.

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 20% on the cost of your flight, compared to a flight in the morning.

Cheap Frontier flights from Missoula to Ontario

Explore cheap flight options specifically provided by Frontier for the route between Missoula and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Peruse some of the lowest-priced Frontier flights we've found from Missoula to Ontario. Make sure to double check the flight details before booking.
Sat 5/43:24 pmMSO - ONT
1 stop9h 35mFrontier
Sat 5/117:26 amONT - MSO
1 stop5h 58mFrontier
Deal found 2/29$120
Wed 5/223:14 pmMSO - ONT
1 stop9h 25mFrontier
Wed 5/2910:59 pmONT - MSO
1 stop9h 38mFrontier
Deal found 2/29$160
Wed 5/223:14 pmMSO - ONT
1 stop9h 25mFrontier
Tue 5/2812:49 amONT - MSO
1 stop12h 35mFrontier
Deal found 2/29$170

Cheap United Airlines flights from Missoula to Ontario

Explore cheap flight options specifically provided by United Airlines for the route between Missoula and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Some of the lowest-priced United Airlines flights we've found at this time heading from Missoula to Ontario. Deals are refreshing constantly so come back soon for more options.
Sat 3/306:30 amMSO - ONT
1 stop15h 27mUnited Airlines
Sat 4/61:36 pmONT - MSO
1 stop6h 55mUnited Airlines
Deal found 2/29$459
Sat 3/306:30 amMSO - ONT
2 stops16h 31mUnited Airlines
Sat 4/61:36 pmONT - MSO
1 stop6h 55mUnited Airlines
Deal found 2/29$464
Fri 3/292:36 pmMSO - ONT
1 stop7h 21mUnited Airlines
Fri 4/51:36 pmONT - MSO
1 stop22h 45mUnited Airlines
Deal found 2/28$499
Wed 3/132:36 pmMSO - ONT
1 stop7h 21mUnited Airlines
Wed 3/205:15 amONT - MSO
1 stop7h 19mUnited Airlines
Deal found 2/28$562
Mon 3/256:30 amMSO - ONT
2 stops28h 29mUnited Airlines
Tue 4/26:00 amONT - MSO
2 stops30h 21mUnited Airlines
Deal found 2/29$572
Wed 3/136:30 amMSO - ONT
2 stops16h 31mUnited Airlines
Wed 3/205:15 amONT - MSO
1 stop7h 19mUnited Airlines
Deal found 2/28$592
Wed 4/176:30 amMSO - ONT
2 stops17h 34mUnited Airlines
Sun 4/216:00 amONT - MSO
2 stops30h 21mUnited Airlines
Deal found 2/27$597
Fri 6/74:18 pmMSO - ONT
1 stop21h 07mUnited Airlines
Mon 6/106:00 amONT - MSO
2 stops30h 24mUnited Airlines
Deal found 2/27$606
Wed 3/66:30 amMSO - ONT
1 stop7h 12mUnited Airlines
Wed 3/131:38 pmONT - MSO
1 stop6h 56mUnited Airlines
Deal found 2/28$630

Cheap Missoula to Ontario flights in February & March 2024

Find cheap flight options from Missoula to Ontario specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,314,962 searches. Prices were last updated on February 29, 2024.
These are some of the most attractive deals on flights from Missoula to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Fri 3/296:25 pmMSO - ONT
1 stop6h 21mDelta
Fri 4/55:45 amONT - MSO
1 stop4h 23mDelta
Deal found 2/28$408
Mon 3/257:26 pmMSO - ONT
1 stop5h 33mAlaska Airlines
Tue 4/25:32 pmONT - MSO
1 stop4h 58mAlaska Airlines
Deal found 2/29$435
Sat 3/306:30 amMSO - ONT
1 stop15h 27mUnited Airlines
Sat 4/61:36 pmONT - MSO
1 stop6h 55mUnited Airlines
Deal found 2/29$459
Sat 3/306:30 amMSO - ONT
2 stops16h 31mUnited Airlines
Sat 4/61:36 pmONT - MSO
1 stop6h 55mUnited Airlines
Deal found 2/29$464
Fri 3/292:36 pmMSO - ONT
1 stop7h 21mUnited Airlines
Fri 4/51:36 pmONT - MSO
1 stop22h 45mUnited Airlines
Deal found 2/28$499
Thu 3/285:40 pmMSO - ONT
1 stop5h 12mAlaska Airlines
Tue 4/25:32 pmONT - MSO
1 stop4h 58mAlaska Airlines
Deal found 2/29$502
Mon 3/257:26 pmMSO - ONT
1 stop5h 33mAlaska Airlines
Tue 4/26:00 amONT - MSO
2 stops10h 00mAlaska Airlines
Deal found 2/29$516
Sun 3/246:25 pmMSO - ONT
1 stop6h 21mDelta
Sat 3/305:45 amONT - MSO
1 stop4h 23mDelta
Deal found 2/29$518
Wed 3/132:36 pmMSO - ONT
1 stop7h 21mUnited Airlines
Wed 3/205:15 amONT - MSO
1 stop7h 19mUnited Airlines
Deal found 2/28$562

Missoula to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Missoula and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
These are some of the most attractive deals on flights from Missoula to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 5/43:24 pmMSO - ONT
1 stop9h 35mFrontier
Sat 5/117:26 amONT - MSO
1 stop5h 58mFrontier
Deal found 2/29$120
Wed 5/153:14 pmMSO - ONT
1 stop9h 45mFrontier
Tue 5/2112:49 amONT - MSO
1 stop12h 35mFrontier
Deal found 2/29$150
Wed 5/223:14 pmMSO - ONT
1 stop9h 25mFrontier
Wed 5/2910:59 pmONT - MSO
1 stop9h 38mFrontier
Deal found 2/29$160
Wed 5/223:14 pmMSO - ONT
1 stop9h 25mFrontier
Tue 5/2812:49 amONT - MSO
1 stop12h 35mFrontier
Deal found 2/29$170
Tue 5/76:20 pmMSO - ONT
1 stop6h 24mDelta
Sat 5/115:45 amONT - MSO
1 stop5h 03mDelta
Deal found 2/27$338
Mon 5/62:41 pmMSO - ONT
1 stop10h 18mAlaska Airlines
Sat 5/115:00 pmONT - MSO
1 stop5h 31mAlaska Airlines
Deal found 2/27$350
Wed 4/172:41 pmMSO - ONT
1 stop7h 47mAlaska Airlines
Sun 4/216:00 amONT - MSO
1 stop6h 51mAlaska Airlines
Deal found 2/27$368
Tue 5/76:20 pmMSO - ONT
2 stops17h 17mDelta
Sat 5/115:45 amONT - MSO
1 stop5h 03mDelta
Deal found 2/27$385
Fri 4/265:40 amMSO - ONT
2 stops8h 32mDelta
Sat 5/45:45 amONT - MSO
1 stop5h 05mDelta
Deal found 2/29$393

Missoula to Ontario flights leaving soon

Find last-minute flight options from Missoula to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Consider one of these great deals we found on last-minute flights from Missoula to Ontario. Tip: verify your flight details before completing your reservation.
Thu 3/76:30 amMSO - ONT
2 stops16h 31mUnited Airlines
Thu 3/146:00 amONT - MSO
2 stops30h 34mUnited Airlines
Deal found 2/29$592
Wed 3/66:30 amMSO - ONT
1 stop7h 12mUnited Airlines
Wed 3/131:38 pmONT - MSO
1 stop6h 56mUnited Airlines
Deal found 2/28$630
Wed 3/66:30 amMSO - ONT
1 stop7h 12mUnited Airlines
Wed 3/135:58 amONT - MSO
2 stops14h 36mUnited Airlines
Deal found 2/28$645
Thu 3/71:26 pmMSO - ONT
1 stop8h 19mAmerican Airlines
Wed 3/1312:59 amONT - MSO
1 stop10h 55mAmerican Airlines
Deal found 2/29$1,203
Wed 3/61:26 pmMSO - ONT
2 stops9h 34mAmerican Airlines
Wed 3/1310:31 pmONT - MSO
2 stops13h 23mAmerican Airlines
Deal found 2/28$1,356

One-way flights to Ontario from Missoula

Search for one-way flight options from Missoula to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Take a look at some of the best available options we've come across on one-way flights from Missoula to Ontario. Users needing a return flight from Missoula to Ontario should utilize the search form above.
Mon 3/252:53 pmMSO - ONT
2 stops25h 13mMultiple Airlines
Deal found 2/29$119
Mon 3/252:53 pmMSO - ONT
1 stop7h 01mMultiple Airlines
Deal found 2/29$120
Tue 3/266:25 pmMSO - ONT
1 stop6h 21mDelta
Deal found 2/29$169
Fri 4/126:20 pmMSO - ONT
1 stop6h 39mDelta
Deal found 2/28$189
Sat 6/12:25 pmMSO - ONT
1 stop7h 23mUnited Airlines
Deal found 2/29$200
Tue 4/232:41 pmMSO - ONT
2 stops8h 12mAlaska Airlines
Deal found 2/29$216
Tue 4/27:26 pmMSO - ONT
1 stop24h 38mAlaska Airlines
Deal found 2/28$222
Wed 3/207:26 pmMSO - ONT
1 stop22h 44mAlaska Airlines
Deal found 2/28$232
Sat 3/302:36 pmMSO - ONT
1 stop7h 21mUnited Airlines
Deal found 2/28$245

Find flights from Missoula to Ontario within your budget

Customize your flight search to find flights from Missoula to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$120 - $571

Route

Depart

Return

Price

Missoula Johnson-Bell FieldOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Sat 5/4

1 stop9h 35m

Ontario

Sat 5/11

1 stop5h 58m

$120

Missoula Johnson-Bell FieldOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Wed 5/22

1 stop9h 25m

Ontario

Wed 5/29

1 stop9h 38m

$160

Missoula Johnson-Bell FieldOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Wed 5/22

1 stop9h 25m

Ontario

Tue 5/28

1 stop12h 35m

$170

Missoula Johnson-Bell FieldOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Tue 5/7

1 stop6h 24m

Ontario

Sat 5/11

1 stop5h 03m

$338

Missoula Johnson-Bell FieldOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Mon 5/6

1 stop10h 18m

Ontario

Sat 5/11

1 stop5h 31m

$350

Missoula Johnson-Bell FieldOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Wed 4/17

1 stop7h 47m

Ontario

Sun 4/21

1 stop6h 51m

$368

Missoula Johnson-Bell FieldOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Tue 5/7

2 stops17h 17m

Ontario

Sat 5/11

1 stop5h 03m

$385

Missoula Johnson-Bell FieldOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Sat 3/30

1 stop15h 27m

Ontario

Sat 4/6

1 stop6h 55m

$459

Missoula Johnson-Bell FieldOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Sun 5/26

1 stop8h 52m

Ontario

Sat 6/1

2 stops10h 20m

$571

Flights are sorted by cheapest first

Deals found on 2/29

When is the cheapest time to fly from Missoula to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Missoula to Ontario. Price data was last updated on February 25, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Missoula to Ontario flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Ontario by month

Plan your trip from Missoula to Ontario by taking into account the cheapest months to travel. The average price of a one-way flight from Missoula to Ontario is currently $190 while a round-trip flight costs $325. Price data was last updated on February 25, 2024.

Currently, October is the cheapest month in which you can book a flight from Missoula to Ontario (average of $237). Flying from Missoula to Ontario in June is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$271

February

$282

March

$289

April

$308

May

$289

June

$357

July

$332

August

$288

September

$258

October

$237

November

$268

December

$271

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated February 29, 2024.
Read reviews from past customers who have flown Frontier, United Airlines and Delta from Missoula to Ontario. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,264 reviews

Entertainment

7.4

Boarding

8.2

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

8.1
Very good
9,264 reviews
8.1
Very good
9,264 reviews

Entertainment

7.4

Boarding

8.2

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

8.1
Very good
11,818 reviews
8.1
Very good
9,264 reviews

Entertainment

7.4

Boarding

8.2

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

7.4
Good
11,794 reviews
8.1
Very good
9,264 reviews

Entertainment

7.4

Boarding

8.2

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

7.3
Good
15,571 reviews
8.1
Very good
9,264 reviews

Entertainment

7.4

Boarding

8.2

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

6.4
Okay
4,459 reviews
8.1
Very good
9,264 reviews

Entertainment

7.4

Boarding

8.2

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

Related info for your journey

Find useful and relevant information for your journey from Missoula to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find flights from Missoula to Ontario for under $200 on Cheapflights?

Yes, there are multiple flights from Missoula to Ontario for under $200. The cheapest flight booked recently is on Frontier for just $120, but on average you can expect to pay $386.

Are there last-minute flights available from Missoula to Ontario for under $600?

There are currently 5+ open flights from Missoula to Ontario within the next 7 days for less than $600.

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

According to our current data, Frontier ($120), Delta ($338), and Alaska Airlines ($350) offers the cheapest pricing from Missoula to Ontario. Users have found that Frontier is 77% 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 Delta, with whom users have recently found tickets for as low as $169. However, be on the lookout for offers from United Airlines and Alaska Airlines, as they are both options that can get you from Missoula to Ontario for a low price.

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

What does MSO to ONT mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Missoula Johnson-Bell Field Airport to Ontario Airport flight would often be abbreviated as a MSO to ONT flight.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Missoula to Ontario

Discover the top 3 airlines that operate flights from Missoula to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$344Average$485FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$355Average$553FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$358Average$639FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Missoula to Ontario by cabin class

Find flights from Missoula to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Missoula to Ontario?

When you search for this flight from Missoula to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Missoula to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Missoula to Ontario.

Can Cheapflights find flights from Missoula to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from Missoula? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Missoula to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Missoula today and book when prices fit your budget.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.