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Missoula

$87+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — MSO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$220
(Mytrip)

One-way from

$87
(Mytrip)

Popular in

January

Cheapest in

April

Average price

$478
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. 9% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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.
Mon 7/75:30 amLAX - MSO
1 stop9h 00mMultiple Airlines
Fri 7/114:15 pmMSO - LAX
2 stops29h 01mMultiple Airlines
Deal found 6/10$220
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 10/87:19 pmLAX - MSO
1 stop4h 12mDelta
Sat 10/115:35 amMSO - LAX
1 stop6h 33mDelta
Deal found 6/10$267
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/116:00 amLAX - MSO
2 stops8h 17mAlaska Airlines
Wed 8/132:16 pmMSO - LAX
1 stop5h 49mAlaska Airlines
Deal found 6/11$270
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 9/153:40 pmLAX - MSO
1 stop7h 47mHawaiian Airlines
Fri 9/196:35 amMSO - LAX
1 stop5h 25mHawaiian Airlines
Deal found 6/10$286
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 7/1111:24 amLAX - MSO
Nonstop2h 41mAmerican Airlines
Wed 7/163:35 pmMSO - LAX
Nonstop2h 52mAmerican Airlines
Deal found 6/12$311
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2812:45 pmLAX - MSO
1 stop7h 37mUnited Airlines
Tue 9/26:30 amMSO - LAX
1 stop7h 28mUnited Airlines
Deal found 6/11$338
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/16:02 pmLAX - MSO
1 stop21h 30mSun Country Air
Sat 7/1211:43 amMSO - LAX
1 stop11h 58mSun Country Air
Deal found 6/10$355
This FlightHub deal was found by Cheapflights users on 6/12. 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 6/266:15 amLAX - MSO
1 stop28h 40mFrontier
Mon 6/3012:40 pmMSO - LAX
1 stop12h 49mFrontier
Deal found 6/12$406

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 June 12, 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

Mon 7/7

5:30 am-3:30 pm

1 stop9h 00m

Missoula Johnson-Bell Field

Fri 7/11

4:15 pm-8:16 pm

2 stops29h 01m

$220

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Wed 10/8

7:19 pm-12:31 am

1 stop4h 12m

Missoula Johnson-Bell Field

Sat 10/11

5:35 am-11:08 am

1 stop6h 33m

$267

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Mon 8/11

6:00 am-3:17 pm

2 stops8h 17m

Missoula Johnson-Bell Field

Wed 8/13

2:16 pm-7:05 pm

1 stop5h 49m

$270

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Mon 9/15

3:40 pm-12:27 am

1 stop7h 47m

Missoula Johnson-Bell Field

Fri 9/19

6:35 am-11:00 am

1 stop5h 25m

$286

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Fri 7/11

11:24 am-3:05 pm

Nonstop2h 41m

Missoula Johnson-Bell Field

Wed 7/16

3:35 pm-5:27 pm

Nonstop2h 52m

$311

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Thu 8/28

12:45 pm-9:22 pm

1 stop7h 37m

Missoula Johnson-Bell Field

Tue 9/2

6:30 am-12:58 pm

1 stop7h 28m

$338

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Tue 7/1

6:02 pm-4:32 pm

1 stop21h 30m

Missoula Johnson-Bell Field

Sat 7/12

11:43 am-10:41 pm

1 stop11h 58m

$355

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Thu 6/26

6:15 am-11:55 am

1 stop28h 40m

Missoula Johnson-Bell Field

Mon 6/30

12:40 pm-12:29 am

1 stop12h 49m

$406

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Thu 8/7

4:50 pm-3:30 pm

1 stop21h 40m

$87

Los AngelesMissoula

LAX - MSO

LAXMSO

Los Angeles

Sat 8/23

7:00 am-12:21 pm

1 stop4h 21m

$134

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 15 results
1
2

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 9, 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 June 12, 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.

Weekly flight availability from Irvine to Missoula

Explore weekly flight availability from Irvine to Missoula. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from IR9 to MSO are scheduled on a Monday (2 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Missoula by month

Plan your trip to Missoula by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missoula ranges from 0.7 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Missoula when rainfall is around 0.7 in.

Temperature in Missoula by month

Plan your trip to Missoula by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missoula, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.8 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian Airlines from Irvine to Missoula by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

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

Entertainment

7.1

Boarding

8.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

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
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

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

Entertainment

7.1

Boarding

8.1

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 is 1 flight from Irvine to Johnson-Bell Field per day from 6 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?

    $134 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Hawaiian Airlines and Alaska Airlines, with prices starting from $141 and $143, respectively.

  • What are the cheapest flights from Irvine to Missoula?

    On average you can expect to pay $277 for a flight from Irvine to Missoula. The cheapest flight overall is $150 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.

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Top 6 airlines flying from Irvine to Missoula

Discover the top 6 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$90Average$189FlexibilityNo cancel feeOn-time88%
FrontierCheapest$112Average$238FlexibilityNo cancel feeOn-time62%
DeltaCheapest$198Average$357FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$251Average$471FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$263Average$439FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$268Average$483FlexibilityNo cancel feeOn-time69%

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