What is the cheapest airline that flies from Ontario to Wyoming?

Southwest, Frontier, and Delta are the most popular carriers operating from Ontario to Wyoming

What airlines fly to Wyoming?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Wyoming from Ontario according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Wyoming. Keep in mind that there are 4 different airlines that fly to Wyoming on a routine basis, so you have a few additional options to choose from.

How many flights depart from Ontario to Wyoming on average per week?

149 flights are operational weekly from Ontario to Wyoming as of June 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

When did momondo last update prices for flights from Ontario Airport to Wyoming?

Prices for flights from Ontario Airport to Wyoming were last updated today.

How many operators does momondo search for flights from Ontario Airport to Wyoming?

As of June 2026, there are 4 operators available to choose from for flights from Ontario Airport to Wyoming.

How old do you have to be to fly from Ontario Airport to Wyoming?

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 Ontario Airport to Wyoming.

What documentation or ID do you need to fly to Wyoming?

The travel and health documents required for your trip to Wyoming can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Wyoming. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$63 Cheap Flights from Ontario to Wyoming in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Wyoming

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 9:24 am

ONT

DEN

2h 24mnonstop

10:29 pm - 11:50 pm

DEN

ONT

2h 21mnonstop

$129Frontier

Sat, Aug 8 - Mon, Aug 10

6:00 am - 9:26 am

ONT

DEN

2h 26mnonstop

10:34 pm - 11:55 pm

DEN

ONT

2h 21mnonstop

$134Frontier

Tue, Oct 13 - Sat, Oct 17

3:34 pm - 12:38 am

ONT

DEN

8h 04m

1 stop

10:29 pm - 11:49 pm

DEN

ONT

2h 20mnonstop

$140Frontier

Tue, Jun 30 - Wed, Jul 1

1:38 pm - 3:48 am

ONT

DEN

13h 10m

1 stop

10:29 pm - 11:50 pm

DEN

ONT

2h 21mnonstop

$141Frontier

Tue, Jul 21 - Tue, Jul 28

6:00 am - 12:27 pm

ONT

WYS

5h 27m

1 stop

11:29 am - 4:24 pm

WYS

ONT

5h 55m

1 stop

$294Delta

Tue, Aug 25 - Sat, Aug 29

6:00 am - 10:49 am

ONT

JAC

3h 49m

1 stop

5:54 pm - 11:37 pm

JAC

ONT

6h 43m

1 stop

$329Delta

Mon, Sep 14 - Wed, Sep 23

3:14 pm - 11:22 am

ONT

JAC

19h 08m

1 stop

3:10 pm - 11:16 am

JAC

ONT

21h 06m

2 stops

$334Alaska Airlines

Wed, Sep 23 - Sat, Sep 26

7:00 am - 1:31 pm

ONT

JAC

5h 31m

1 stop

3:47 pm - 11:52 pm

JAC

ONT

9h 05m

1 stop

$369Alaska Airlines

Wed, Jul 8 - Wed, Jul 15

5:00 am - 12:45 pm

ONT

CPR

6h 45m

1 stop

5:15 am - 12:50 pm

CPR

ONT

8h 35m

1 stop

$378United Airlines

Sat, Aug 29 - Tue, Sep 1

11:00 am - 8:27 pm

ONT

CPR

8h 27m

2 stops

5:15 am - 12:50 pm

CPR

ONT

8h 35m

1 stop

$384United Airlines

Sat, Aug 29 - Tue, Sep 1

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Frontier flights from Ontario to Wyoming

Our best Frontier deals on Ontario to Wyoming flight tickets

Frontier

Aug 8

ONT6:00 amOntario

2h 24m

DEN9:24 amDenver Intl

Aug 10

DEN10:29 pmDenver Intl

2h 21m

ONT11:50 pmOntario

$129

Frontier

Oct 13

ONT6:00 amOntario

2h 26m

DEN9:26 amDenver Intl

Oct 17

DEN10:34 pmDenver Intl

2h 21m

ONT11:55 pmOntario

$134

Frontier

Jun 30

ONT3:34 pmOntario

8h 04m

1 stop

DEN12:38 amDenver Intl

Jul 1

DEN10:29 pmDenver Intl

2h 20m

ONT11:49 pmOntario

$140

Southwest flights from Ontario to Wyoming

Our best Southwest deals on Ontario to Wyoming flight tickets

Southwest

Jul 7

ONT1:20 pmOntario

2h 15m

DEN4:35 pmDenver Intl

Jul 14

DEN6:00 amDenver Intl

4h 05m

1 stop

ONT9:05 amOntario

$155

Southwest

Jun 30

ONT7:20 pmOntario

3h 55m

1 stop

DEN12:15 amDenver Intl

Jul 1

DEN6:25 pmDenver Intl

5h 35m

1 stop

ONT11:00 pmOntario

$165

Southwest

Jul 15

ONT4:10 pmOntario

6h 00m

2 stops

DEN11:10 pmDenver Intl

Jul 21

DEN4:55 pmDenver Intl

6h 40m

1 stop

ONT10:35 pmOntario

$170

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Sat 8/8

6:00 am-9:24 am

Nonstop2h 24m

Denver Intl

Mon 8/10

10:29 pm-11:50 pm

Nonstop2h 21m

$129

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Tue 10/13

6:00 am-9:26 am

Nonstop2h 26m

Denver Intl

Sat 10/17

10:34 pm-11:55 pm

Nonstop2h 21m

$134

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Tue 6/30

3:34 pm-12:38 am

1 stop8h 04m

Denver Intl

Wed 7/1

10:29 pm-11:49 pm

Nonstop2h 20m

$140

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Tue 7/21

1:38 pm-3:48 am

1 stop13h 10m

Denver Intl

Tue 7/28

10:29 pm-11:50 pm

Nonstop2h 21m

$141

OntarioWest Yellowstone

ONT - WYS

ONTWYS

Ontario

Tue 8/25

6:00 am-12:27 pm

1 stop5h 27m

West Yellowstone

Sat 8/29

11:29 am-4:24 pm

1 stop5h 55m

$294

OntarioJackson

ONT - JAC

ONTJAC

Ontario

Mon 9/14

6:00 am-10:49 am

1 stop3h 49m

Jackson Hole

Wed 9/23

5:54 pm-11:37 pm

1 stop6h 43m

$329

OntarioJackson

ONT - JAC

ONTJAC

Ontario

Wed 9/23

3:14 pm-11:22 am

1 stop19h 08m

Jackson Hole

Sat 9/26

3:10 pm-11:16 am

2 stops21h 06m

$334

OntarioJackson

ONT - JAC

ONTJAC

Ontario

Wed 7/8

7:00 am-1:31 pm

1 stop5h 31m

Jackson Hole

Wed 7/15

3:47 pm-11:52 pm

1 stop9h 05m

$369

OntarioCasper

ONT - CPR

ONTCPR

Ontario

Sat 8/29

5:00 am-12:45 pm

1 stop6h 45m

Casper Natrona County

Tue 9/1

5:15 am-12:50 pm

1 stop8h 35m

$378

OntarioCasper

ONT - CPR

ONTCPR

Ontario

Sat 8/29

11:00 am-8:27 pm

2 stops8h 27m

Casper Natrona County

Tue 9/1

5:15 am-12:50 pm

1 stop8h 35m

$384

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Wyoming

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

Prices

Airlines

Other information

What is the cheapest month to fly to Wyoming?

The cheapest month to fly to Wyoming from Ontario is in March. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Wyoming during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $0.

Can stopping save me money on Ontario to Wyoming flights?

You could potentially save up to 13% on your flight if you consider stops on a Ontario to Wyoming flight.

Cheap Ontario to Wyoming flight deals and tips

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

Fastest flight time	1h 45m
Direct flights	Every day
Airports in Wyoming	26 airports

The fastest flight from Ontario to Wyoming takes 1h 45m

Direct flights go from Ontario to Wyoming every day.

There are 26 airports in Wyoming. From Ontario there are direct flights to Salt Lake City (SLC), Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Ontario to Wyoming

When did momondo last update prices for flights from Ontario Airport to Wyoming?
Prices for flights from Ontario Airport to Wyoming were last updated today.
How many operators does momondo search for flights from Ontario Airport to Wyoming?
As of June 2026, there are 4 operators available to choose from for flights from Ontario Airport to Wyoming.
How old do you have to be to fly from Ontario Airport to Wyoming?
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 Ontario Airport to Wyoming.
What documentation or ID do you need to fly to Wyoming?
The travel and health documents required for your trip to Wyoming can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Wyoming. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Wyoming

Compare and see reviews for airlines that fly from Ontario to Wyoming with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $164	Free Cancellation	Rating 7.9 8,406 reviews		Search Delta flights
United Airlines	PriceFrom $199	Free Cancellation	Rating 7.4 9,815 reviews		Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Wyoming. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Wyoming from Ontario with this policy.

How can momondo help me find flights from Ontario to Wyoming?

momondo helps you find the best flight between Ontario and Wyoming by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Wyoming, momondo offers a useful price alert feature which will track prices for flights to Wyoming from Ontario and alert you when they change.