What is the cheapest airline to fly from Ontario to Vail round-trip?

United Airlines, at $399, was found to be the cheapest airline from Ontario to Vail..

In terms of precipitation, rainfall in Vail ranges from 1.5 - 2.4 inches per month. April is typically the wettest month, when rainfall can reach 2.4 in. June is typically the driest time to visit Vail when rainfall is around 1.5 in.

If weather is an important factor for your trip to Vail, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 59.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

How far in advance should I book a flight from Ontario to Vail?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 32 days in advance, which can save you up to 46% on flights from Ontario to Vail compared to booking the week you need them. Waiting 32 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $170. For sooner than that we have options available in the next 3 days from $338.

What is the cheapest month to fly from Ontario to Vail?

Our data shows that January tends to be the cheapest month to fly to Vail from Ontario. Users have commonly found prices around $188 for the month, but tickets can be as low as $50. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from ONT to EGE?

It’s optimal to fly from Ontario to Vail in the morning. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight at noon.

Can I find deals for flights from Ontario to Vail that include hotel bookings?

Yes. In addition to deals on Ontario to Vail flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Vail?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Vail.

Can I find deals for business class flights from Ontario to Vail?

Yes. Cheapflights offers flight deals from Ontario to Vail by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$200+ Flights from Ontario to Vail

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Cheap flight deals from Ontario to Vail

Round-trip from	$399 (United Airlines)
One-way from	$200 (United Airlines)
Popular in	June
Cheapest in	January
Average price	$217

From Ontario to Vail Eagle County

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One-way flight from Ontario to Vail Eagle County

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Highest demand for flights based on searches. 11% potential increase in price ($24 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Ontario to Vail

Cheapest flights from Ontario to Vail
Explore the most affordable flight options available from Ontario to Vail. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 29, 2025.

mar. 12/3010:33 amONT - EGE

1 stop4h 01mAmerican Airlines

sam. 1/178:20 amEGE - ONT

1 stop6h 28mAmerican Airlines

Deal found 7/28

$299

lun. 8/255:10 amONT - EGE

1 stop6h 26mUnited Airlines

jeu. 8/281:40 pmEGE - ONT

1 stop4h 49mUnited Airlines

Deal found 7/29

$399

Best flights from Ontario to Vail
Discover carefully curated flight deals from Ontario to Vail that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated juillet 29, 2025.

lun. 8/255:10 amONT - EGE

1 stop6h 26mUnited Airlines

jeu. 8/281:40 pmEGE - ONT

1 stop4h 49mUnited Airlines

Deal found 7/29

$399

Last-minute flights from Ontario to Vail
Discover last-minute flight deals from Ontario to Vail. Data last updated juillet 29, 2025 and is based on user searches.

dim. 8/35:05 amONT - EGE

1 stop6h 32mUnited Airlines

jeu. 8/77:25 amEGE - ONT

1 stop6h 07mUnited Airlines

Deal found 7/27

$561

dim. 8/312:59 amONT - EGE

1 stop7h 43mAmerican Airlines

lun. 8/42:38 pmEGE - ONT

2 stops8h 00mAmerican Airlines

Deal found 7/27

$1,578

lun. 8/255:10 amONT - EGE

1 stop6h 26mUnited Airlines

jeu. 8/281:40 pmEGE - ONT

1 stop4h 49mUnited Airlines

Deal found 7/29

$399

One-way flights from Ontario to Vail
Search for one-way flight options from Ontario to Vail. Find affordable one-way fares based on user searches. Data last updated juillet 29, 2025.

lun. 8/255:10 amONT - EGE

1 stop6h 26mUnited Airlines

Deal found 7/29

$200

Fly from

Fly to

Route

Depart

Return

Price

OntarioVail

ONT - EGE

ONTEGE

Ontario

lun. 8/25

5:10 am-12:36 pm

1 stop6h 26m

Vail Eagle County

jeu. 8/28

1:40 pm-5:29 pm

1 stop4h 49m

$399

OntarioVail

ONT - EGE

ONTEGE

Ontario

lun. 8/25

5:10 am-12:36 pm

1 stop6h 26m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Ontario to Vail

Have a flexible travel schedule? Discover the best time to fly to Vail from Ontario 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 Ontario to Vail

What is the cheapest month to book a flight from Ontario to Vail?

Currently, October is the cheapest month in which you can book a flight from Ontario to Vail (average of $448). Flying from Ontario to Vail in December is currently the most expensive (average of $621). 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.

Reviews of airlines servicing Vail

Peruse reviews from past customers who have flown with United Airlines from Ontario to Vail to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel

United Airlines

7.4

Good

8,896 reviews

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel

Related info for your journey

What is the cheapest airline to fly from Ontario to Vail round-trip?
United Airlines, at $399, was found to be the cheapest airline from Ontario to Vail..
Can I find deals for flights from Ontario to Vail that include hotel bookings?
Yes. In addition to deals on Ontario to Vail flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Vail?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Vail.
Can I find deals for business class flights from Ontario to Vail?
Yes. Cheapflights offers flight deals from Ontario to Vail 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 Ontario to Vail?
Currently, October is the cheapest month in which you can book a flight from Ontario to Vail (average of $448). Flying from Ontario to Vail in December is currently the most expensive (average of $621). 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

Eagle

Beaver Creek

Avon

Rifle

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Top airline flying from Ontario to Vail

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$285	Average$377	FlexibilityNo cancel fee	On-time69%

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$200+ Cheap flights from Ontario to Vail (ONT - EGE)

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Vail with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Vail

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Vail

Cheapest flights from Ontario to VailExplore the most affordable flight options available from Ontario to Vail. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 29, 2025.

Explore the most affordable flight options available from Ontario to Vail. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 29, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Ontario to Vail

Have a flexible travel schedule? Discover the best time to fly to Vail from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Vail

What is the cheapest month to book a flight from Ontario to Vail?

Reviews of airlines servicing Vail

Get insights into the airlines that provide service to Vail. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Vail. Reviews last updated juillet 29, 2025.

Peruse reviews from past customers who have flown with United Airlines from Ontario to Vail to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Vail. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Ontario to Vail round-trip?

Can I find deals for flights from Ontario to Vail that include hotel bookings?

How can I find direct flights from Ontario to Vail?

Can I find deals for business class flights from Ontario to Vail?

What is the cheapest month to book a flight from Ontario to Vail?

Traveling to a place near Vail?

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Alternative routes for Ontario to Vail

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Ontario to Vail

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Travel Smart

Cheapest flights from Ontario to Vail
Explore the most affordable flight options available from Ontario to Vail. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 29, 2025.