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$87+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LAX
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
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 January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$167
(Kiwi.com)

One-way from

$87
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$329
Provider with most accurate pricing for Bozeman Gallatin Field-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Los Angeles flights.
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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. 9% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/910:53 am
MSO
-
LAX
1 stop27h 32m
Multiple Airlines
Thu 2/124:07 pm
LAX
-
MSO
1 stop22h 08m
Multiple Airlines
Deal found 1/13$167
This Trip.com deal was found by Cheapflights users on 1/13. 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.
Sat 2/286:28 pm
GTF
-
LAX
1 stop5h 35m
Hawaiian Airlines
Sat 3/78:46 am
LAX
-
GTF
1 stop8h 02m
Hawaiian Airlines
Deal found 1/13$190
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 1/2611:16 am
FCA
-
LAX
1 stop24h 38m
Multiple Airlines
Thu 1/299:17 am
LAX
-
FCA
1 stop9h 59m
Multiple Airlines
Deal found 1/13$193
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Fri 4/101:33 pm
FCA
-
LAX
1 stop21h 01m
Multiple Airlines
Wed 4/154:07 pm
LAX
-
FCA
1 stop18h 36m
Multiple Airlines
Deal found 1/13$206
This Alaska Airlines deal was found by Cheapflights users on 1/13. 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.
Tue 4/141:52 pm
FCA
-
LAX
1 stop7h 56m
Alaska Airlines
Wed 4/1512:46 pm
LAX
-
FCA
1 stop6h 00m
Alaska Airlines
Deal found 1/13$217
This Delta deal was found by Cheapflights users on 1/14. 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 3/1012:59 pm
HLN
-
LAX
1 stop4h 05m
Delta
Wed 3/185:45 am
LAX
-
HLN
1 stop5h 34m
Delta
Deal found 1/14$217
This Alaska Airlines deal was found by Cheapflights users on 1/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:02 pm
BZN
-
LAX
1 stop7h 48m
Alaska Airlines
Sat 2/286:30 am
LAX
-
BZN
1 stop6h 38m
Alaska Airlines
Deal found 1/12$217
This Travelocity deal was found by Cheapflights users on 1/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:20 pm
MSO
-
LAX
1 stop5h 16m
Alaska Airlines
Tue 3/105:00 pm
LAX
-
MSO
1 stop5h 59m
Alaska Airlines
Deal found 1/13$217
This Delta deal was found by Cheapflights users on 1/14. 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 3/105:15 am
BIL
-
LAX
1 stop4h 41m
Delta
Tue 3/175:09 pm
LAX
-
BIL
1 stop4h 20m
Delta
Deal found 1/14$217
This Alaska Airlines deal was found by Cheapflights users on 1/14. 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.
Tue 4/75:06 pm
GTF
-
LAX
1 stop6h 49m
Alaska Airlines
Wed 4/1510:00 am
LAX
-
GTF
1 stop5h 26m
Alaska Airlines
Deal found 1/14$218
This Delta deal was found by Cheapflights users on 1/14. 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 3/1111:34 am
BIL
-
LAX
2 stops10h 00m
Delta
Wed 3/185:09 pm
LAX
-
BIL
1 stop4h 20m
Delta
Deal found 1/14$222
This Alaska Airlines deal was found by Cheapflights users on 1/14. 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 3/97:00 am
BZN
-
LAX
1 stop7h 29m
Alaska Airlines
Tue 3/177:00 am
LAX
-
BZN
1 stop5h 08m
Alaska Airlines
Deal found 1/14$223

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 January 14, 2026.
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

Great FallsLos Angeles

GTF - LAX

GTFLAX

Great Falls

Sat 2/28

6:28 pm-11:03 pm

1 stop5h 35m

Los Angeles

Sat 3/7

8:46 am-5:48 pm

1 stop8h 02m

$190

KalispellLos Angeles

FCA - LAX

FCALAX

Kalispell Glacier Park

Tue 4/14

1:52 pm-8:48 pm

1 stop7h 56m

Los Angeles

Wed 4/15

12:46 pm-7:46 pm

1 stop6h 00m

$217

HelenaLos Angeles

HLN - LAX

HLNLAX

Helena

Wed 3/11

5:30 am-8:56 am

1 stop4h 26m

Los Angeles

Tue 3/17

5:45 am-12:19 pm

1 stop5h 34m

$217

HelenaLos Angeles

HLN - LAX

HLNLAX

Helena

Sat 2/21

4:36 pm-9:50 pm

1 stop6h 14m

Los Angeles

Sat 2/28

6:30 am-3:59 pm

1 stop8h 29m

$217

HelenaLos Angeles

HLN - LAX

HLNLAX

Helena

Tue 3/10

12:59 pm-4:04 pm

1 stop4h 05m

Los Angeles

Tue 3/17

5:45 am-12:19 pm

1 stop5h 34m

$217

HelenaLos Angeles

HLN - LAX

HLNLAX

Helena

Sat 5/2

1:04 pm-6:08 pm

1 stop6h 04m

Los Angeles

Tue 5/5

6:00 am-12:24 pm

1 stop5h 24m

$217

BozemanLos Angeles

BZN - LAX

BZNLAX

Bozeman Gallatin Field

Tue 2/24

3:02 pm-9:50 pm

1 stop7h 48m

Los Angeles

Sat 2/28

6:30 am-2:08 pm

1 stop6h 38m

$217

BillingsLos Angeles

BIL - LAX

BILLAX

Billings Logan Intl

Wed 3/11

5:15 am-8:56 am

1 stop4h 41m

Los Angeles

Wed 3/18

5:09 pm-10:29 pm

1 stop4h 20m

$217

BillingsLos Angeles

BIL - LAX

BILLAX

Billings Logan Intl

Wed 3/11

6:21 pm-11:59 pm

1 stop6h 38m

Los Angeles

Tue 3/17

9:59 am-5:41 pm

1 stop6h 42m

$217

Great FallsLos Angeles

GTF - LAX

GTFLAX

Great Falls

Tue 4/7

5:06 pm-10:55 pm

1 stop6h 49m

Los Angeles

Wed 4/15

10:00 am-4:26 pm

1 stop5h 26m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

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, March is the cheapest month in which you can book a flight from Montana to Irvine (average of $45). Flying from Montana to Irvine in September is currently the most expensive (average of $229). 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 January 14, 2026.

A simple way to save on the total cost of your ticket is to fly from Montana to Irvine in the evening. If you’re flexible enough to do this you can expect to save up to 65% on your trip compared to booking a flight in the morning.

Weekly flight availability from Montana to Irvine

Explore weekly flight availability from Montana to Irvine. 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 January 14, 2026.

The most flights from USMT to IR9 are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

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, 8 users have taken a look at flights from Montana to Irvine.

  • How long is the flight from Montana to Irvine?

    Hawaiian Airlines, Alaska Airlines, and Delta can get you from Montana to Irvine in just under 4h 26m. Your travel time can differ by up to 3h 30m. The distance between Montana and Irvine is about 937 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $49. United Airlines flights start at $105 while deals on Delta start at $115 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 Billings Logan Intl - 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 Air New Zealand (90%), United Airlines (81%) and Air France (67%).

  • What are the cheapest flights from Montana to Irvine?

    Looking for the cheapest flight from Montana to Irvine? While on average our users pay $296, our data indicates the cheapest price to be $105. The most popular route (Bozeman Gallatin Field - Los Angeles), is priced around $249.

  • 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, March is the cheapest month in which you can book a flight from Montana to Irvine (average of $45). Flying from Montana to Irvine in September is currently the most expensive (average of $229). 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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Alternative routes for Montana to Irvine

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$45Average$166FlexibilityNo cancel feeOn-time88%
DeltaCheapest$133Average$378FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$198Average$349FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$198Average$384FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$199Average$321FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$208Average$367FlexibilityNo cancel feeOn-time63%

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