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$76+ Cheap flights from Montana to Irvine, CA

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LAX
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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Cheap flight deals from Montana to Irvine

Keep the following information in mind while searching for Montana to Irvine flight deals. Data was last updated June 26, 2025.

Round-trip from

$177
(Mytrip)

One-way from

$76
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$359
From Montana to Irvine
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One-way flight from Montana to Irvine
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Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 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 Montana to Irvine

Cheapest flights from Montana to Irvine
Explore the most affordable flight options available from Montana to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

This Mytrip deal was found by Cheapflights users on 6/25. 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 8/110:26 pmBIL - LAX
1 stop12h 59mMultiple Airlines
Fri 8/86:00 amLAX - BIL
1 stop14h 36mMultiple Airlines
Deal found 6/25$177
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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.
Thu 8/286:40 pmMSO - LAX
1 stop5h 08mAlaska Airlines
Mon 9/17:00 amLAX - MSO
1 stop7h 18mAlaska Airlines
Deal found 6/26$206
This Delta deal was found by Cheapflights users on 6/25. 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 8/125:30 amMSO - LAX
1 stop4h 16mDelta
Tue 8/197:25 pmLAX - MSO
1 stop3h 50mDelta
Deal found 6/25$207
This Mytrip deal was found by Cheapflights users on 6/25. 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.
Thu 7/1710:40 amFCA - LAX
1 stop13h 10mMultiple Airlines
Fri 8/89:08 pmLAX - FCA
2 stops16h 46mMultiple Airlines
Deal found 6/25$214
This American Airlines deal was found by Cheapflights users on 6/25. 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 10/211:35 pmBZN - LAX
1 stop10h 45mAmerican Airlines
Tue 10/281:30 amLAX - BZN
1 stop10h 02mAmerican Airlines
Deal found 6/25$217
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/115:30 amBZN - LAX
1 stop5h 09mHawaiian Airlines
Tue 8/127:00 amLAX - BZN
1 stop5h 06mHawaiian Airlines
Deal found 6/24$229
This Trip.com deal was found by Cheapflights users on 6/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/83:00 pmBZN - LAX
1 stop8h 46mMultiple Airlines
Fri 8/154:05 pmLAX - BZN
1 stop7h 06mMultiple Airlines
Deal found 6/24$237
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 10/87:00 amBZN - LAX
1 stop6h 58mUnited Airlines
Sun 10/1211:00 amLAX - BZN
Nonstop2h 33mUnited Airlines
Deal found 6/23$239
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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.
Wed 7/232:03 pmBIL - LAX
1 stop7h 57mAlaska Airlines
Wed 7/305:15 pmLAX - BIL
1 stop5h 53mAlaska Airlines
Deal found 6/25$240
This Delta deal was found by Cheapflights users on 6/25. 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 7/166:20 amBIL - LAX
1 stop7h 38mDelta
Wed 7/237:19 pmLAX - BIL
1 stop3h 48mDelta
Deal found 6/25$241
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Wed 8/205:49 amBIL - LAX
1 stop9h 08mAmerican Airlines
Tue 8/2610:00 amLAX - BIL
2 stops10h 30mAmerican Airlines
Deal found 6/24$246
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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.
Thu 8/214:51 pmFCA - LAX
1 stop6h 57mAlaska Airlines
Mon 8/2512:00 pmLAX - FCA
1 stop6h 22mAlaska Airlines
Deal found 6/25$248

Cheapflights Fare Finder

Customize your flight search to find flights from Montana to Irvine 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 26, 2025.
Use the filters below to find and compare flights from Montana to Irvine that are best for you.

Fly from

Montana

Fly to

Irvine

Route

Depart

Return

Price

BillingsLos Angeles

BIL - LAX

BILLAX

Billings Logan Intl

Fri 8/1

10:26 pm-10:25 am

1 stop12h 59m

Los Angeles

Fri 8/8

6:00 am-9:36 pm

1 stop14h 36m

$177

MissoulaLos Angeles

MSO - LAX

MSOLAX

Missoula Johnson-Bell Field

Thu 8/28

6:40 pm-10:48 pm

1 stop5h 08m

Los Angeles

Mon 9/1

7:00 am-3:18 pm

1 stop7h 18m

$206

MissoulaLos Angeles

MSO - LAX

MSOLAX

Missoula Johnson-Bell Field

Tue 8/12

5:30 am-8:46 am

1 stop4h 16m

Los Angeles

Tue 8/19

7:25 pm-12:15 am

1 stop3h 50m

$207

KalispellLos Angeles

FCA - LAX

FCALAX

Kalispell Glacier Park

Thu 7/17

10:40 am-10:50 pm

1 stop13h 10m

Los Angeles

Fri 8/8

9:08 pm-2:54 pm

2 stops16h 46m

$214

BozemanLos Angeles

BZN - LAX

BZNLAX

Bozeman Gallatin Field

Wed 8/13

5:45 pm-11:25 pm

1 stop6h 40m

Los Angeles

Wed 8/20

12:40 pm-6:40 pm

1 stop5h 00m

$217

BozemanLos Angeles

BZN - LAX

BZNLAX

Bozeman Gallatin Field

Mon 8/11

5:30 am-9:39 am

1 stop5h 09m

Los Angeles

Tue 8/12

7:00 am-1:06 pm

1 stop5h 06m

$229

BozemanLos Angeles

BZN - LAX

BZNLAX

Bozeman Gallatin Field

Fri 8/8

3:00 pm-10:46 pm

1 stop8h 46m

Los Angeles

Fri 8/15

4:05 pm-12:11 am

1 stop7h 06m

$237

BillingsLos Angeles

BIL - LAX

BILLAX

Billings Logan Intl

Wed 7/23

2:03 pm-9:00 pm

1 stop7h 57m

Los Angeles

Wed 7/30

5:15 pm-12:08 am

1 stop5h 53m

$240

BillingsLos Angeles

BIL - LAX

BILLAX

Billings Logan Intl

Wed 7/16

6:20 am-12:58 pm

1 stop7h 38m

Los Angeles

Wed 7/23

7:19 pm-12:07 am

1 stop3h 48m

$241

BillingsLos Angeles

BIL - LAX

BILLAX

Billings Logan Intl

Wed 8/20

5:49 am-1:57 pm

1 stop9h 08m

Los Angeles

Tue 8/26

10:00 am-9:30 pm

2 stops10h 30m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 60 results
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Best time to book a flight from Montana to Irvine

Have a flexible travel schedule? Discover the best time to fly to Irvine from Montana 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 Montana to Irvine

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

Currently, January is the cheapest month in which you can book a flight from Montana to Irvine (average of $246). Flying from Montana to Irvine in March is currently the most expensive (average of $327). 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 MT to IR9?

Find hourly flight availability from Montana to Irvine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 26, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montana to Irvine as you normally would.

Rainfall in Irvine by month

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

In terms of precipitation, rainfall in Irvine ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Irvine when rainfall is around 0.0 in.

Temperature in Irvine by month

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

If weather is an important factor for your trip to Irvine, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing Irvine

Get insights into the airlines that provide service to Irvine. 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 Irvine. Reviews last updated June 26, 2025.
Read through reviews of airlines operating flights from Montana to Irvine, such as Alaska Airlines, Southwest, and Delta. 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

Food

7.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Boarding

8.1

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

Food

7.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Boarding

8.1

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
7,965 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Boarding

8.1

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
2,521 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Boarding

8.1

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
8,840 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Boarding

8.1

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 Montana to Irvine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Montana to Irvine flight route?

    Within the past month, 7 users have taken a look at flights from Montana to Irvine.

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

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $109. Hawaiian Airlines flights start at $117 while deals on Alaska Airlines start at $124 one-way.

  • What are the most popular routes from Montana to Irvine?

    The most popular route from Montana to Irvine is Bozeman Gallatin Field - Los Angeles. You may also consider Kalispell Glacier Park - Los Angeles or Missoula Johnson-Bell Field - Los Angeles.

  • What are the most reliable airlines from Montana to Irvine?

    The top 3 most reliable airlines when flying from Montana to Irvine are SkyWest Airlines (93%), Air New Zealand (91%) and United Airlines (91%).

  • What are the cheapest flights from Montana to Irvine?

    Looking for the cheapest flight from Montana to Irvine? While on average our users pay $375, our data indicates the cheapest price to be $173. The most popular route (Bozeman Gallatin Field - Los Angeles), is priced around $217.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montana to Irvine 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 Montana to Irvine?

    Currently, January is the cheapest month in which you can book a flight from Montana to Irvine (average of $246). Flying from Montana to Irvine in March is currently the most expensive (average of $327). 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 6 airlines flying from Montana to Irvine

Discover the top 6 airlines that operate flights from Montana to Irvine. 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$82Average$376FlexibilityNo cancel feeOn-time75%
Allegiant AirCheapest$93Average$156FlexibilityNo cancel feeOn-time88%
DeltaCheapest$142Average$356FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$305FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$198Average$421FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$254Average$396FlexibilityNo cancel feeOn-time63%

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