GJT - ONT

$116 Find Cheap Flights from Grand Junction to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Grand Junction to Ontario departing on 4/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Grand Junction to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Grand Junction to Ontario, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$249
American Airlines
Mon 3/30Sun 4/5
GJT - ONT • 1 stop
Cheapest one-way
$116
Multiple Airlines
Sun 4/19
GJT - ONT • 1 stop
Top airlines
Cheapest • from $249 (round-trip)
Best reviews • 7.1 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Grand Junction and Ontario. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $301 (round-trip)
Shortest trip • 4h 26m (one-way)
Insights
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Ontario!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Grand Junction to Ontario (GJT-ONT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Grand Junction to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Grand Junction to Ontario

Mon, Mar 30 - Sun, Apr 5
American Airlines Logo
12:08 pm - 4:22 pm
GJT
-
ONT
5h 14m
1 stop
American Airlines Logo
6:15 am - 11:32 am
ONT
-
GJT
4h 17m
1 stop
$249American Airlines
Tue, Mar 31 - Sat, Apr 4
American Airlines Logo
6:53 pm - 10:07 pm
GJT
-
ONT
4h 14m
1 stop
American Airlines Logo
6:15 am - 11:32 am
ONT
-
GJT
4h 17m
1 stop
$251American Airlines
Tue, May 5 - Sun, May 10
Delta Logo
7:45 am - 12:14 pm
GJT
-
ONT
5h 29m
1 stop
Delta Logo
1:29 pm - 6:16 pm
ONT
-
GJT
3h 47m
1 stop
$271Delta
Wed, Jun 10 - Sun, Jun 14
Delta Logo
7:41 am - 12:29 pm
GJT
-
ONT
5h 48m
1 stop
Delta Logo
1:00 pm - 6:10 pm
ONT
-
GJT
4h 10m
1 stop
$290Delta
Tue, May 5 - Fri, May 8
Delta Logo
7:45 am - 12:14 pm
GJT
-
ONT
5h 29m
1 stop
Delta Logo
1:29 pm - 6:16 pm
ONT
-
GJT
3h 47m
1 stop
$332Delta
Thu, Jun 11 - Sun, Jun 14
Delta Logo
6:56 pm - 11:44 pm
GJT
-
ONT
5h 48m
1 stop
Delta Logo
1:00 pm - 6:10 pm
ONT
-
GJT
4h 10m
1 stop
$334Delta
Tue, May 5 - Sat, May 9
United Airlines Logo
7:00 am - 12:38 pm
GJT
-
ONT
6h 38m
1 stop
United Airlines Logo
1:40 pm - 8:44 pm
ONT
-
GJT
6h 04m
1 stop
$341United Airlines
Tue, Mar 31 - Sat, Apr 4
United Airlines Logo
5:30 am - 12:14 pm
GJT
-
ONT
7h 44m
2 stops
United Airlines Logo
5:10 am - 12:23 pm
ONT
-
GJT
6h 13m
1 stop
$342United Airlines
Wed, Aug 12 - Sun, Aug 16
United Airlines Logo
1:30 pm - 10:58 pm
GJT
-
ONT
10h 28m
2 stops
United Airlines Logo
5:00 am - 12:28 pm
ONT
-
GJT
6h 28m
1 stop
$346United Airlines
Sun, May 10 - Mon, May 11
Delta Logo
7:40 am - 12:19 pm
GJT
-
ONT
5h 39m
1 stop
Delta Logo
4:57 pm - 10:00 pm
ONT
-
GJT
4h 03m
1 stop
$355Delta
Booking Insights

KAYAK's insights & trends for Grand Junction to Ontario flights

Get data-powered insights and trends into flights from Grand Junction to Ontario to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Grand Junction to Ontario?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Grand Junction to Ontario were found on American Airlines ($249) and Delta ($271).

Good to know

Low seasonFebruary
Cheapest flight$116
Best time to beat the crowds with an average 35% drop in price.
Most popular time to fly with an average 6% increase in price.
Flight from Grand Junction to Ontario

When to book flights from Grand Junction to Ontario

Are your dates flexible? Find out the best times to travel from Grand Junction to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Grand Junction to Ontario

  • What is the cheapest flight from Grand Junction to Ontario?

    In the last 3 days, the lowest price for a flight from Grand Junction to Ontario was $116 for a one-way ticket and $249 for a round-trip.

  • Do I need a passport to fly between Grand Junction and Ontario?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from Grand Junction to Ontario?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Grand Junction to Ontario?

    oneworld is the only airline alliance operating flights between Grand Junction and Ontario.

  • How does KAYAK find such low prices on flights from Grand Junction to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Grand Junction to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Grand Junction to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Grand Junction is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Grand Junction to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Grand Junction with another airline. Booking your flights between Grand Junction and ONT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Grand Junction to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Grand Junction up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Grand Junction to Ontario

 
See real verified KAYAK customer reviews for airlines flying from Grand Junction to Ontario. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Grand Junction to Ontario? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
American AirlinesOverall score based on 11468 reviews
7.5Boarding
7.2Comfort
6.4Food
7.9Crew
6.9Entertainment
Airline reviews

Smooth flight. From the early boarding and all were on board before departure time and arrived early in ONT. Great crew. Thank you!!!!

10.0 ExcellentFraxys, Feb 2026
DFW - ONT
Read more American Airlines reviews

Smooth flight. From the early boarding and all were on board before departure time and arrived early in ONT. Great crew. Thank you!!!!

The flight was significantly delayed for 6.5 hours because of snow. There was no communication once the plane returned to the gate regarding when the flight would resume. Other flights were departing while our flight was being unloaded for reasons unknown. Our flight also seemed out of the queue regarding further deicing, refueling, and waiting to Taxi to the runway.

They are always late and seats was also not having working charger

did not have enough meal for first class passengers so offer us snack

Amazing I love American. I’ll never fly anyone else if I can help it.

Everything about the flight was lovely. My only suggestion would be to offer a few more options of tv series from Apple TV or HBO.

After the door had been closed, the cockpit makes an announcement that catering is running late and it is not the airline's fault. It is their fault in the sense that we had to sit for 2 hours or more when we could have stayed in the terminal. Poor communications between catering and airline. This caused a young man to lose his temper and he went storming out hitting objects. He had complained to the gate agent that he had already waited at the gate 7 hours and when can the airplane leave? Airilnes do a poor job of explaining delays, maintenance issues, etc. whereas being truthful may gain more sympathy or understanding.

We were told the flight was delayed 5 times, then it was moved to the next day.

The experience with American Airlines was good, although the Philippines Airlines flight was much better (better seats, better food, better entertainment options, overall better). Again, the MIA to LAX flight was fine, but nothing in comparison to the comfort and accommodations of the Philippines Airlines flight from LAX to MNL.

Loved the crew . Absolutely no complaints. Except for luggage lost

Everything you need to know for your flight from Grand Junction to Ontario

Information on your arrival and departure airports