Cheap flights from Ontario to Denver from $247

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Denver departing on 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 12:21 pm
ONT
-
EGE
6h 21m
1 stop
United Airlines Logo
3:21 pm - 8:56 pm
EGE
-
ONT
6h 35m
1 stop
$533United Airlines
Tue, Nov 17 - Wed, Nov 18
United Airlines Logo
1:13 pm - 8:05 pm
ONT
-
EGE
5h 52m
1 stop
United Airlines Logo
1:30 pm - 8:06 pm
EGE
-
ONT
7h 36m
2 stops
$538United Airlines
Tue, Nov 17 - Wed, Nov 18
United Airlines Logo
5:00 am - 12:42 pm
ONT
-
EGE
6h 42m
1 stop
United Airlines Logo
3:31 pm - 8:58 pm
EGE
-
ONT
6h 27m
1 stop
$541United Airlines
Thu, Oct 15 - Tue, Oct 20
United Airlines Logo
9:00 am - 8:05 pm
ONT
-
EGE
10h 05m
2 stops
United Airlines Logo
1:30 pm - 8:06 pm
EGE
-
ONT
7h 36m
2 stops
$544United Airlines
Tue, Nov 17 - Wed, Nov 18
United Airlines Logo
1:24 pm - 8:33 pm
ONT
-
EGE
6h 09m
1 stop
United Airlines Logo
1:44 pm - 8:31 pm
EGE
-
ONT
7h 47m
2 stops
$546United Airlines
Fri, Oct 16 - Tue, Oct 20
United Airlines Logo
5:00 am - 12:42 pm
ONT
-
EGE
6h 42m
1 stop
United Airlines Logo
3:31 pm - 8:58 pm
EGE
-
ONT
6h 27m
1 stop
$549United Airlines
Fri, Oct 16 - Mon, Oct 19
United Airlines Logo
5:00 am - 12:24 pm
ONT
-
EGE
6h 24m
1 stop
United Airlines Logo
1:30 pm - 8:01 pm
EGE
-
ONT
7h 31m
2 stops
$551United Airlines
Tue, Sep 1 - Wed, Sep 2
United Airlines Logo
9:00 am - 8:05 pm
ONT
-
EGE
10h 05m
2 stops
United Airlines Logo
1:30 pm - 8:06 pm
EGE
-
ONT
7h 36m
2 stops
$552United Airlines
Sat, Nov 7 - Tue, Nov 10
United Airlines Logo
5:00 am - 12:21 pm
ONT
-
EGE
6h 21m
1 stop
United Airlines Logo
1:30 pm - 10:53 pm
EGE
-
ONT
10h 23m
2 stops
$554United Airlines
Sat, Nov 7 - Mon, Nov 9
United Airlines Logo
9:01 am - 8:21 pm
ONT
-
EGE
10h 20m
2 stops
United Airlines Logo
1:30 pm - 8:01 pm
EGE
-
ONT
7h 31m
2 stops
$557United Airlines
Tue, Sep 1 - Wed, Sep 2

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United Airlines flights from Ontario to Vail

Our best United Airlines deals on Ontario to Vail flight tickets
United Airlines
Nov 17
ONT5:00 amOntario
6h 21m
1 stop
EGE12:21 pmVail Eagle County
Nov 18
EGE3:21 pmVail Eagle County
6h 35m
1 stop
ONT8:56 pmOntario
$533
United Airlines
Nov 17
ONT1:13 pmOntario
5h 52m
1 stop
EGE8:05 pmVail Eagle County
Nov 18
EGE1:30 pmVail Eagle County
7h 36m
2 stops
ONT8:06 pmOntario
$538
United Airlines
Oct 15
ONT5:00 amOntario
6h 42m
1 stop
EGE12:42 pmVail Eagle County
Oct 20
EGE3:31 pmVail Eagle County
6h 27m
1 stop
ONT8:58 pmOntario
$541

American Airlines flights from Ontario to Vail

Our best American Airlines deals on Ontario to Vail flight tickets
American Airlines
Aug 10
ONT12:59 pmOntario
23h 29m
2 stops
EGE1:28 pmVail Eagle County
Aug 13
EGE7:50 amVail Eagle County
11h 25m
2 stops
ONT6:15 pmOntario
$632
American Airlines
Aug 10
ONT10:29 amOntario
7h 13m
1 stop
EGE6:42 pmVail Eagle County
Aug 13
EGE7:50 amVail Eagle County
6h 41m
1 stop
ONT1:31 pmOntario
$659
American Airlines
Aug 10
ONT10:29 amOntario
7h 13m
1 stop
EGE6:42 pmVail Eagle County
Aug 13
EGE10:28 amVail Eagle County
8h 47m
2 stops
ONT6:15 pmOntario
$664

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Vail 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, momondo users made 832,500 searches. Data last updated June 27, 2026.
Use the filters below to find and compare flights from Ontario to Vail that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioVail

ONT - EGE

ONTEGE

Ontario

Tue 11/17

5:00 am-12:21 pm

1 stop6h 21m

Vail Eagle County

Wed 11/18

3:21 pm-8:56 pm

1 stop6h 35m

$533

OntarioVail

ONT - EGE

ONTEGE

Ontario

Tue 11/17

1:13 pm-8:05 pm

1 stop5h 52m

Vail Eagle County

Wed 11/18

1:30 pm-8:06 pm

2 stops7h 36m

$538

OntarioVail

ONT - EGE

ONTEGE

Ontario

Thu 10/15

5:00 am-12:42 pm

1 stop6h 42m

Vail Eagle County

Tue 10/20

3:31 pm-8:58 pm

1 stop6h 27m

$541

OntarioVail

ONT - EGE

ONTEGE

Ontario

Tue 11/17

9:00 am-8:05 pm

2 stops10h 05m

Vail Eagle County

Wed 11/18

1:30 pm-8:06 pm

2 stops7h 36m

$544

OntarioVail

ONT - EGE

ONTEGE

Ontario

Fri 10/16

1:24 pm-8:33 pm

1 stop6h 09m

Vail Eagle County

Tue 10/20

1:44 pm-8:31 pm

2 stops7h 47m

$546

OntarioVail

ONT - EGE

ONTEGE

Ontario

Fri 10/16

5:00 am-12:42 pm

1 stop6h 42m

Vail Eagle County

Mon 10/19

3:31 pm-8:58 pm

1 stop6h 27m

$549

OntarioVail

ONT - EGE

ONTEGE

Ontario

Tue 9/1

5:00 am-12:24 pm

1 stop6h 24m

Vail Eagle County

Wed 9/2

1:30 pm-8:01 pm

2 stops7h 31m

$551

OntarioVail

ONT - EGE

ONTEGE

Ontario

Sat 11/7

9:00 am-8:05 pm

2 stops10h 05m

Vail Eagle County

Tue 11/10

1:30 pm-8:06 pm

2 stops7h 36m

$552

OntarioVail

ONT - EGE

ONTEGE

Ontario

Sat 11/7

5:00 am-12:21 pm

1 stop6h 21m

Vail Eagle County

Mon 11/9

1:30 pm-10:53 pm

2 stops10h 23m

$554

OntarioVail

ONT - EGE

ONTEGE

Ontario

Tue 9/1

9:01 am-8:21 pm

2 stops10h 20m

Vail Eagle County

Wed 9/2

1:30 pm-8:01 pm

2 stops7h 31m

$557

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Ontario to Vail

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 day to depart on your flight to Vail?

Our data shows that Monday is the least expensive day to fly to Vail. Tickets to fly out on this day can be as low as $331. Flights from Ontario to Vail on a Tuesday will generally be more expensive and average around $498. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

When to book flights from Ontario to Vail

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

Cheap Ontario to Vail (ONT to EGE) flight deals and tips

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

Fastest flight time

6h 03m

Direct flights

None
The fastest flight from Ontario to Vail takes 6h 03m
There are no direct flights from Ontario to Vail. There are no popular flight routes from Ontario to Vail.

Frequently asked questions about flying from Ontario to Vail

  • How far is Ontario to Vail Eagle County by plane?

    There are 731.5 mi between Ontario and Vail Eagle County. In terms of flight time, this usually takes a little over 6h 03m.

  • When did momondo last update prices for flights from Ontario Airport to Vail Eagle County Airport?

    Prices for flights from Ontario Airport to Vail Eagle County Airport were last updated today.

  • How old do you have to be to fly from Ontario Airport to Vail Eagle County 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 Ontario Airport to Vail Eagle County Airport.

  • What documentation or ID do you need to fly to Vail Eagle County Airport?

    The necessary travel and health documents for your Vail Eagle County 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.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Glenwood Springs
Beaver Creek
Avon
Eagle
Rifle

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Vail. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Vail from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Vail from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Ontario to Vail now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Vail and let you know when they change.

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1 adult
Mon 7/27
Mon 8/3

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