How does KAYAK find such low prices on flights from Illinois to Vail?

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 Illinois to Vail.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Vail?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Vail from Illinois 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 Illinois to Vail?

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 Vail with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Vail?

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 Vail from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$186 CHEAP FLIGHTS from Illinois to Vail

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Flight Deals

Cheap Flights from Illinois to Vail

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Vail

Tue, Jan 5 - Thu, Jan 7

10:50 am - 6:31 pmSTL Lambert-St Louis-EGE Vail Eagle County

8h 41m1 stop Chicago O'Hare Intl

1:30 pm - 8:59 pmEGE Vail Eagle County-STL Lambert-St Louis

6h 29m1 stop Denver Intl

$361United Airlines

Tue, Jan 5 - Thu, Jan 7

7:30 am - 2:34 pmSTL Lambert-St Louis-EGE Vail Eagle County

8h 04m2 stops Chicago O'Hare Intl Denver Intl

1:30 pm - 8:59 pmEGE Vail Eagle County-STL Lambert-St Louis

6h 29m1 stop Denver Intl

$366United Airlines

Tue, Jan 5 - Thu, Jan 7

10:50 am - 8:05 pmSTL Lambert-St Louis-EGE Vail Eagle County

10h 15m2 stops Chicago O'Hare Intl Denver Intl

3:21 pm - 8:59 pmEGE Vail Eagle County-STL Lambert-St Louis

4h 38m1 stop Denver Intl

$366United Airlines

Wed, Mar 10 - Sun, Mar 14

9:00 am - 2:34 pmSTL Lambert-St Louis-EGE Vail Eagle County

6h 34m1 stop Atlanta Hartsfield-Jackson

3:35 pm - 11:39 pmEGE Vail Eagle County-STL Lambert-St Louis

7h 04m1 stop Atlanta Hartsfield-Jackson

$461Delta

Sun, Jan 24 - Fri, Jan 29

9:40 am - 11:52 amORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 12mnonstop

12:31 pm - 4:29 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 58mnonstop

$465American Airlines

Sun, Feb 7 - Thu, Feb 11

9:40 am - 11:52 amORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 12mnonstop

12:04 pm - 3:56 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 52mnonstop

$465American Airlines

Sun, Jan 24 - Fri, Jan 29

9:00 am - 2:50 pmORD Chicago O'Hare Intl-EGE Vail Eagle County

6h 50m1 stop Dallas/Fort Worth

12:31 pm - 4:29 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 58mnonstop

$475American Airlines

Sun, Jan 24 - Fri, Jan 29

7:10 am - 2:34 pmORD Chicago O'Hare Intl-EGE Vail Eagle County

8h 24m1 stop Atlanta Hartsfield-Jackson

11:50 am - 9:10 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

8h 20m1 stop Atlanta Hartsfield-Jackson

$485Delta

Fri, Jan 22 - Fri, Jan 29

7:10 am - 2:34 pmORD Chicago O'Hare Intl-EGE Vail Eagle County

8h 24m1 stop Atlanta Hartsfield-Jackson

3:35 pm - 11:50 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

7h 15m1 stop Atlanta Hartsfield-Jackson

$485Delta

Thu, Feb 18 - Sat, Feb 27

8:51 am - 10:59 amORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 08mnonstop

8:00 am - 11:40 amEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 40mnonstop

$519United Airlines

Recent last minute flight deals from Illinois to Vail

Thu, Sep 17 - Tue, Sep 22

9:00 am - 2:27 pmSTL Lambert-St Louis-EGE Vail Eagle County

6h 27m1 stop Denver Intl

3:29 pm - 8:38 pmEGE Vail Eagle County-STL Lambert-St Louis

4h 09m1 stop Denver Intl

$415United Airlines

Thu, Sep 17 - Tue, Sep 22

9:00 am - 2:27 pmSTL Lambert-St Louis-EGE Vail Eagle County

6h 27m1 stop Denver Intl

1:30 pm - 10:00 pmEGE Vail Eagle County-STL Lambert-St Louis

7h 30m2 stops Denver Intl Chicago O'Hare Intl

$420United Airlines

Thu, Sep 17 - Tue, Sep 22

10:53 am - 8:21 pmSTL Lambert-St Louis-EGE Vail Eagle County

10h 28m2 stops Chicago O'Hare Intl Denver Intl

1:30 pm - 10:00 pmEGE Vail Eagle County-STL Lambert-St Louis

7h 30m2 stops Denver Intl Chicago O'Hare Intl

$536United Airlines

Tue, Sep 22 - Tue, Sep 29

7:09 am - 12:17 pmORD Chicago O'Hare Intl-EGE Vail Eagle County

6h 08m1 stop Dallas/Fort Worth

12:58 pm - 10:04 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

8h 06m1 stop Dallas/Fort Worth

$580American Airlines

Fri, Sep 18 - Tue, Sep 22

6:00 am - 12:17 pmORD Chicago O'Hare Intl-EGE Vail Eagle County

7h 17m1 stop Dallas/Fort Worth

8:00 am - 4:00 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

7h 00m1 stop Dallas/Fort Worth

$640American Airlines

Fri, Sep 18 - Tue, Sep 22

4:00 pm - 6:02 pmORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 02mnonstop

1:30 pm - 9:30 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

7h 00m1 stop Denver Intl

$709United Airlines

Fri, Sep 18 - Tue, Sep 22

3:56 pm - 8:21 pmORD Chicago O'Hare Intl-EGE Vail Eagle County

5h 25m1 stop Denver Intl

1:30 pm - 8:22 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

5h 52m1 stop Denver Intl

$719United Airlines

Sat, Sep 19 - Mon, Sep 21

7:11 am - 12:17 pmMLI Moline Quad-City-EGE Vail Eagle County

6h 06m1 stop Dallas/Fort Worth

8:00 am - 4:03 pmEGE Vail Eagle County-MLI Moline Quad-City

7h 03m1 stop Dallas/Fort Worth

$738American Airlines

Sat, Sep 19 - Mon, Sep 21

6:00 am - 6:43 pmMLI Moline Quad-City-EGE Vail Eagle County

13h 43m2 stops Chicago O'Hare Intl Dallas/Fort Worth

8:00 am - 4:03 pmEGE Vail Eagle County-MLI Moline Quad-City

7h 03m1 stop Dallas/Fort Worth

$743American Airlines

Tue, Sep 22 - Tue, Sep 29

11:05 pm - 12:17 pmORD Chicago O'Hare Intl-EGE Vail Eagle County

14h 12m2 stops Lambert-St Louis Dallas/Fort Worth

12:58 pm - 10:04 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

8h 06m1 stop Dallas/Fort Worth

$752American Airlines

Recent direct flight deals from Illinois to Vail

Sun, Jan 24 - Fri, Jan 29

9:40 am - 11:52 amORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 12mnonstop

12:31 pm - 4:29 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 58mnonstop

$465American Airlines

Sun, Feb 7 - Thu, Feb 11

9:40 am - 11:52 amORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 12mnonstop

12:04 pm - 3:56 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 52mnonstop

$465American Airlines

Sun, Jan 31 - Sat, Feb 6

9:40 am - 11:52 amORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 12mnonstop

12:31 pm - 4:29 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 58mnonstop

$502American Airlines

Wed, Feb 3 - Thu, Feb 11

9:40 am - 11:52 amORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 12mnonstop

12:04 pm - 3:56 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 52mnonstop

$502American Airlines

Sat, Jan 23 - Thu, Jan 28

9:40 am - 11:52 amORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 12mnonstop

12:31 pm - 4:29 pmEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 58mnonstop

$502American Airlines

Thu, Feb 18 - Sat, Feb 27

8:51 am - 10:59 amORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 08mnonstop

8:00 am - 11:40 amEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 40mnonstop

$519United Airlines

Thu, Feb 18 - Sat, Feb 27

8:51 am - 10:59 amORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 08mnonstop

8:00 am - 11:40 amEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 40mnonstop

$539United Airlines

Sat, Dec 19 - Thu, Dec 24

8:25 pm - 10:38 pmORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 13mnonstop

7:45 am - 11:43 amEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 58mnonstop

$539United Airlines

Fri, Dec 25 - Wed, Dec 30

8:50 am - 11:02 amORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 12mnonstop

7:45 am - 11:43 amEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 58mnonstop

$539United Airlines

Fri, Dec 25 - Thu, Dec 31

8:50 am - 11:02 amORD Chicago O'Hare Intl-EGE Vail Eagle County

3h 12mnonstop

7:45 am - 11:43 amEGE Vail Eagle County-ORD Chicago O'Hare Intl

2h 58mnonstop

$580United Airlines

Useful Info

Low season	April
High season	March
Cheapest flight	$186

Best time to beat the crowds but there is an average 11% increase in price.

Most popular time to fly and prices are also 3% lower on average.

Flight from St. Louis to Vail

How does KAYAK find such low prices on flights from Illinois to Vail?
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 Illinois to Vail.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Vail?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Vail from Illinois 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 Illinois to Vail?
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 Vail with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Vail?
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 Vail from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.