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Cheap flights from Great Falls to Los Angeles from $169

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Great Falls to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:40 am - 9:02 amGTF  Great Falls-ONT Ontario
4h 22m1 stop Salt Lake City
Delta Logo
5:03 pm - 10:40 pmONT  Ontario-GTF Great Falls
4h 37m1 stop Salt Lake City
$338Delta
Thu, Oct 1 - Wed, Oct 7
Delta Logo
6:21 pm - 11:47 pmGTF  Great Falls-ONT Ontario
6h 26m1 stop Salt Lake City
Delta Logo
5:03 pm - 10:40 pmONT  Ontario-GTF Great Falls
4h 37m1 stop Salt Lake City
$338Delta
Tue, Sep 29 - Wed, Oct 7
Delta Logo
6:21 pm - 11:47 pmGTF  Great Falls-ONT Ontario
6h 26m1 stop Salt Lake City
Delta Logo
9:45 am - 5:47 pmONT  Ontario-GTF Great Falls
7h 02m1 stop Salt Lake City
$338Delta
Thu, Oct 1 - Fri, Oct 9
Delta Logo
6:21 pm - 11:47 pmGTF  Great Falls-ONT Ontario
6h 26m1 stop Salt Lake City
Delta Logo
9:45 am - 5:47 pmONT  Ontario-GTF Great Falls
7h 02m1 stop Salt Lake City
$338Delta
Tue, Sep 29 - Fri, Oct 9
Delta Logo
6:21 pm - 11:47 pmGTF  Great Falls-ONT Ontario
6h 26m1 stop Salt Lake City
Delta Logo
5:15 pm - 10:37 pmONT  Ontario-GTF Great Falls
4h 22m1 stop Salt Lake City
$338Delta
Tue, Sep 29 - Sat, Oct 3
Delta Logo
5:40 am - 9:02 amGTF  Great Falls-ONT Ontario
4h 22m1 stop Salt Lake City
Delta Logo
5:03 pm - 10:40 pmONT  Ontario-GTF Great Falls
4h 37m1 stop Salt Lake City
$338Delta
Thu, Oct 1 - Tue, Oct 6
Delta Logo
6:21 pm - 11:47 pmGTF  Great Falls-ONT Ontario
6h 26m1 stop Salt Lake City
Delta Logo
5:03 pm - 10:40 pmONT  Ontario-GTF Great Falls
4h 37m1 stop Salt Lake City
$338Delta
Fri, Oct 2 - Tue, Oct 6
Delta Logo
5:40 am - 9:02 amGTF  Great Falls-ONT Ontario
4h 22m1 stop Salt Lake City
Delta Logo
9:52 am - 5:41 pmONT  Ontario-GTF Great Falls
6h 49m1 stop Salt Lake City
$338Delta
Thu, Oct 1 - Sun, Oct 4
Alaska Airlines Logo
4:08 pm - 10:41 pmGTF  Great Falls-ONT Ontario
7h 33m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 3:28 pmONT  Ontario-GTF Great Falls
7h 28m1 stop Seattle/Tacoma Intl
$348Alaska Airlines
Sun, Jan 24 - Thu, Jan 28
Alaska Airlines Logo
4:59 pm - 11:18 amGTF  Great Falls-ONT Ontario
19h 19m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 4:19 pmONT  Ontario-GTF Great Falls
9h 19m1 stop Seattle/Tacoma Intl
$352Alaska Airlines
Sat, Nov 14 - Tue, Nov 17

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United Airlines flights from Great Falls to Ontario

Our best United Airlines deals on Great Falls to Ontario flight tickets
United Airlines
Nov 14
GTF2:45 pmGreat Falls
7h 06m
1 stop
ONT8:51 pmOntario
Nov 17
ONT9:25 amOntario
11h 13m
2 stops
GTF9:38 pmGreat Falls
$404
United Airlines
Nov 11
GTF2:45 pmGreat Falls
7h 06m
1 stop
ONT8:51 pmOntario
Nov 15
ONT5:00 amOntario
7h 49m
1 stop
GTF1:49 pmGreat Falls
$418
United Airlines
Nov 14
GTF2:45 pmGreat Falls
7h 06m
1 stop
ONT8:51 pmOntario
Nov 17
ONT9:25 amOntario
11h 13m
2 stops
GTF9:38 pmGreat Falls
$424

Delta flights from Great Falls to Ontario

Our best Delta deals on Great Falls to Ontario flight tickets
Delta
Sep 29
GTF6:21 pmGreat Falls
6h 26m
1 stop
ONT11:47 pmOntario
Oct 8
ONT9:45 amOntario
7h 02m
1 stop
GTF5:47 pmGreat Falls
$338
Delta
Sep 29
GTF1:15 pmGreat Falls
10h 25m
2 stops
ONT10:40 pmOntario
Oct 6
ONT5:03 pmOntario
4h 37m
1 stop
GTF10:40 pmGreat Falls
$344
Delta
Sep 29
GTF1:15 pmGreat Falls
10h 25m
2 stops
ONT10:40 pmOntario
Oct 8
ONT6:20 amOntario
10h 27m
2 stops
GTF5:47 pmGreat Falls
$349

momondo Fare Finder

 
Use the filters below to find and compare flights from Great Falls to Ontario that are best for you.

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Route

Depart

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Price

Cheapest round-trip
Quickest round-trip

Great FallsOntario

GTF Great Falls - ONT Ontario

GTFONT

Great Falls

Thu 10/1

5:40 am-9:02 am

1 stop4h 22m

Ontario

Wed 10/7

5:03 pm-10:40 pm

1 stop4h 37m

$338

Great FallsOntario

GTF Great Falls - ONT Ontario

GTFONT

Great Falls

Tue 9/29

6:21 pm-11:47 pm

1 stop6h 26m

Ontario

Wed 10/7

5:03 pm-10:40 pm

1 stop4h 37m

$338

Great FallsOntario

GTF Great Falls - ONT Ontario

GTFONT

Great Falls

Thu 10/1

6:21 pm-11:47 pm

1 stop6h 26m

Ontario

Fri 10/9

9:45 am-5:47 pm

1 stop7h 02m

$338

Great FallsOntario

GTF Great Falls - ONT Ontario

GTFONT

Great Falls

Tue 9/29

6:21 pm-11:47 pm

1 stop6h 26m

Ontario

Fri 10/9

9:45 am-5:47 pm

1 stop7h 02m

$338

Great FallsOntario

GTF Great Falls - ONT Ontario

GTFONT

Great Falls

Tue 9/29

6:21 pm-11:47 pm

1 stop6h 26m

Ontario

Sat 10/3

5:15 pm-10:37 pm

1 stop4h 22m

$338

Great FallsOntario

GTF Great Falls - ONT Ontario

GTFONT

Great Falls

Thu 10/1

5:40 am-9:02 am

1 stop4h 22m

Ontario

Tue 10/6

5:03 pm-10:40 pm

1 stop4h 37m

$338

Great FallsOntario

GTF Great Falls - ONT Ontario

GTFONT

Great Falls

Fri 10/2

6:21 pm-11:47 pm

1 stop6h 26m

Ontario

Tue 10/6

5:03 pm-10:40 pm

1 stop4h 37m

$338

Great FallsOntario

GTF Great Falls - ONT Ontario

GTFONT

Great Falls

Thu 10/1

5:40 am-9:02 am

1 stop4h 22m

Ontario

Sun 10/4

9:52 am-5:41 pm

1 stop6h 49m

$338

Great FallsOntario

GTF Great Falls - ONT Ontario

GTFONT

Great Falls

Sun 1/24

4:08 pm-10:41 pm

1 stop7h 33m

Ontario

Thu 1/28

7:00 am-3:28 pm

1 stop7h 28m

$348

Great FallsOntario

GTF Great Falls - ONT Ontario

GTFONT

Great Falls

Sat 11/14

4:59 pm-11:18 am

1 stop19h 19m

Ontario

Tue 11/17

6:00 am-4:19 pm

1 stop9h 19m

$352

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Great Falls to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Great Falls to Ontario?

Delta and Alaska Airlines are the most popular carriers operating from Great Falls to Ontario

When to book flights from Great Falls to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Great Falls to Ontario (GTF to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to Ontario

Best Price Found

$169

Fastest flight time

4h 43m

Direct flights

None
The best one-way flight to Ontario from Great Falls in the past 72 hours is $169. The best round-trip flight deal from Great Falls to Ontario found on momondo in the last 72 hours is $338.
The fastest flight from Great Falls to Ontario takes 4h 43m
There are no direct flights from Great Falls to Ontario. There are no popular flight routes from Great Falls to Ontario.
Search flight deals

Frequently asked questions about flying from Great Falls to Ontario

  • How far is Great Falls to Ontario by plane?

    A flight from Great Falls to Ontario will travel around 984.5 mi. Flights usually cover this in 4h 43m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Great Falls Airport to Ontario Airport?

    Prices for flights from Great Falls Airport to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from Great Falls Airport to Ontario Airport?

  • How old do you have to be to fly from Great Falls Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Great Falls Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Great Falls to Ontario?

Best airlines flying from Great Falls to Ontario

Compare and see reviews for airlines that fly from Great Falls to Ontario with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $203Free CancellationRating
7.8
8,566 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Great Falls.

Can I find flights from Great Falls to Ontario with flexible booking policies on momondo?

Flights from Great Falls to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Great Falls to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Great Falls.

I’m not ready to book a flight from Great Falls to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Great Falls. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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