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Missoula

$115+ Cheap flights from Irvine, CA to Missoula (MSO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — MSO
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Missoula Johnson-Bell Field are usually found in April or September, booked 87 days in advance, depart on a Saturday or Monday and return on a Wednesday

Cheap flight deals from Irvine to Missoula

Keep the following information in mind while searching for Irvine to Missoula flight deals. Data was last updated July 3, 2025.

Round-trip from

$240
(Mytrip)

One-way from

$115
(Mytrip)

Popular in

January

Cheapest in

April

Average price

$453
From Irvine to Missoula Johnson-Bell Field
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One-way flight from Irvine to Missoula Johnson-Bell Field
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Highest demand for flights based on searches. 10% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Irvine to Missoula

Cheapest flights from Irvine to Missoula
Explore the most affordable flight options available from Irvine to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/229:22 amLAX - MSO
1 stop10h 35mMultiple Airlines
Mon 8/256:21 pmMSO - LAX
3 stops28h 15mMultiple Airlines
Deal found 7/2$240
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/193:13 pmLAX - MSO
1 stop7h 21mDelta
Wed 8/205:30 amMSO - LAX
1 stop6h 03mDelta
Deal found 6/30$267
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1211:41 amLAX - MSO
Nonstop2h 42mAmerican Airlines
Tue 8/193:55 pmMSO - LAX
Nonstop2h 53mAmerican Airlines
Deal found 7/2$271
This Alaska Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:00 amLAX - MSO
1 stop8h 18mAlaska Airlines
Tue 8/262:14 pmMSO - LAX
1 stop6h 34mAlaska Airlines
Deal found 6/30$277
This Hawaiian Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/128:00 amLAX - MSO
1 stop6h 17mHawaiian Airlines
Tue 8/192:16 pmMSO - LAX
1 stop6h 44mHawaiian Airlines
Deal found 7/1$278
This FlightHub deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1010:55 amLAX - MSO
1 stop23h 59mFrontier
Mon 7/1412:40 pmMSO - LAX
1 stop12h 47mFrontier
Deal found 7/2$303

Cheapflights Fare Finder

Customize your flight search to find flights from Irvine to Missoula 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 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Irvine to Missoula that are best for you.

Fly from

Irvine

Fly to

Missoula

Route

Depart

Return

Price

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Fri 8/22

9:22 am-8:57 pm

1 stop10h 35m

Missoula Johnson-Bell Field

Mon 8/25

6:21 pm-9:36 pm

3 stops28h 15m

$240

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Tue 8/19

3:13 pm-11:34 pm

1 stop7h 21m

Missoula Johnson-Bell Field

Wed 8/20

5:30 am-10:33 am

1 stop6h 03m

$267

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Tue 8/12

11:41 am-3:23 pm

Nonstop2h 42m

Missoula Johnson-Bell Field

Tue 8/19

3:55 pm-5:48 pm

Nonstop2h 53m

$271

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Fri 8/22

8:00 am-3:36 pm

1 stop6h 36m

Missoula Johnson-Bell Field

Tue 8/26

2:40 pm-9:21 pm

1 stop7h 41m

$277

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Tue 8/12

8:00 am-3:17 pm

1 stop6h 17m

Missoula Johnson-Bell Field

Tue 8/19

2:16 pm-8:00 pm

1 stop6h 44m

$278

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Wed 10/22

10:30 pm-3:20 pm

2 stops15h 50m

Missoula Johnson-Bell Field

Sat 10/25

1:07 pm-5:14 pm

1 stop5h 07m

$286

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Fri 7/11

6:00 am-3:30 pm

1 stop8h 30m

$115

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Wed 9/17

5:36 pm-12:27 am

1 stop5h 51m

$139

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Wed 7/16

6:07 pm-11:54 pm

1 stop4h 47m

$145

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Sun 8/17

7:45 pm-11:54 am

2 stops15h 09m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 12 results
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Best time to book a flight from Irvine to Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula from Irvine with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Irvine to Missoula

How far ahead should I book a flight from Irvine to Missoula?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Missoula. Price data was last updated on June 27, 2025.

The best time to book flights from Irvine to Missoula is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Irvine to Missoula?

Currently, October is the cheapest month in which you can book a flight from Irvine to Missoula (average of $365). Flying from Irvine to Missoula in March is currently the most expensive (average of $506). 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.

What is the cheapest time of day to fly from IR9 to MSO?

Find hourly flight availability from Irvine to Missoula. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

When flying from Irvine to Missoula, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Irvine to Missoula?

Use this chart to determine the cheapest time to fly round-trip from Irvine to Missoula. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Irvine to Missoula flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Missoula

Get insights into the airlines that provide service to Missoula. 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 Missoula. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Irvine to Missoula to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

  • What airport do you fly into for flights to Missoula from Irvine?

    If you book a flight to Missoula from Irvine, you will be flying to Johnson-Bell Field, which is the city’s only airport. Missoula Johnson-Bell Field (MSO) is located 5.5 mi from the center of Missoula. There are 0 flights from Irvine to Johnson-Bell Field per day from 7 different airlines.

  • How popular is this Irvine to Missoula flight route?

    Within the past month, 3 users have taken a look at flights from Irvine to Missoula Johnson-Bell Field.

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

    $139 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Hawaiian Airlines and Frontier, with prices starting from $145 and $166, respectively.

  • What are the cheapest flights from Irvine to Missoula?

    On average you can expect to pay $391 for a flight from Irvine to Missoula. The cheapest flight overall is $197 while the most popular route, (Los Angeles - Missoula Johnson-Bell Field) is currently priced at $166.

  • Can I find deals for flights from Irvine to Missoula that include hotel bookings?

    Yes. In addition to deals on Irvine to Missoula flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Irvine to Missoula?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irvine to Missoula.

  • Can I find deals for business class flights from Irvine to Missoula?

    Yes. Cheapflights offers flight deals from Irvine to Missoula by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Irvine to Missoula?

    Currently, October is the cheapest month in which you can book a flight from Irvine to Missoula (average of $365). Flying from Irvine to Missoula in March is currently the most expensive (average of $506). 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.

See more FAQs

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Top 7 airlines flying from Irvine to Missoula

Discover the top 7 airlines that operate flights from Irvine to Missoula. 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 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$90Average$189FlexibilityNo cancel feeOn-time88%
FrontierCheapest$112Average$242FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$120Average$328FlexibilityNo cancel feeOn-time85%
DeltaCheapest$198Average$346FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$246Average$471FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$263Average$434FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$294Average$519FlexibilityNo cancel feeOn-time69%

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