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Cheap flights from Peoria, Illinois to Denver from $122

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Peoria, Illinois to Denver departing on 7/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Peoria, Illinois to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
11:07 am - 12:34 pm
PIA
-
DEN
2h 27mnonstop
Allegiant Air Logo
4:50 pm - 7:56 pm
DEN
-
PIA
2h 06mnonstop
$216Allegiant Air
Sun, Jun 7 - Thu, Jun 18
Allegiant Air Logo
11:09 am - 12:32 pm
PIA
-
DEN
2h 23mnonstop
Allegiant Air Logo
4:24 pm - 7:30 pm
DEN
-
PIA
2h 06mnonstop
$218Allegiant Air
Sun, May 31 - Sun, Jun 7
Allegiant Air Logo
11:07 am - 12:30 pm
PIA
-
DEN
2h 23mnonstop
Allegiant Air Logo
4:24 pm - 7:34 pm
DEN
-
PIA
2h 10mnonstop
$225Allegiant Air
Sun, Jul 26 - Thu, Jul 30
Allegiant Air Logo
5:23 pm - 6:48 pm
PIA
-
DEN
2h 25mnonstop
Allegiant Air Logo
4:27 pm - 7:37 pm
DEN
-
PIA
2h 10mnonstop
$226Allegiant Air
Thu, Aug 13 - Sun, Aug 16
Allegiant Air Logo
11:07 am - 12:30 pm
PIA
-
DEN
2h 23mnonstop
Allegiant Air Logo
4:24 pm - 7:34 pm
DEN
-
PIA
2h 10mnonstop
$229Allegiant Air
Sun, Jul 19 - Sun, Jul 26
Allegiant Air Logo
5:23 pm - 6:48 pm
PIA
-
DEN
2h 25mnonstop
Allegiant Air Logo
4:27 pm - 7:37 pm
DEN
-
PIA
2h 10mnonstop
$235Allegiant Air
Thu, Aug 13 - Sun, Aug 16
Allegiant Air Logo
10:52 am - 12:15 pm
PIA
-
DEN
2h 23mnonstop
Allegiant Air Logo
4:24 pm - 7:34 pm
DEN
-
PIA
2h 10mnonstop
$267Allegiant Air
Thu, Jul 2 - Sun, Jul 5
Allegiant Air Logo
11:07 am - 12:34 pm
PIA
-
DEN
2h 27mnonstop
Allegiant Air Logo
4:50 pm - 7:56 pm
DEN
-
PIA
2h 06mnonstop
$270Allegiant Air
Sun, Jun 14 - Thu, Jun 18
Multiple Airlines Logo
5:23 pm - 6:48 pm
PIA
-
DEN
2h 25mnonstop
Multiple Airlines Logo
2:46 pm - 9:12 am
DEN
-
PIA
41h 26m
2 stops
$274Multiple Airlines
Thu, Aug 13 - Wed, Aug 19
United Airlines Logo
2:50 pm - 9:09 pm
PIA
-
DEN
7h 19m
1 stop
United Airlines Logo
5:33 pm - 9:01 pm
DEN
-
PIA
2h 28mnonstop
$279United Airlines
Tue, May 19 - Sun, May 24

United Airlines flights from Peoria, Illinois to Denver

Our best United Airlines deals on Peoria, Illinois to Denver flight tickets
United Airlines
May 19
PIA2:50 pmGreater Peoria
7h 19m
1 stop
DEN9:09 pmDenver Intl
May 24
DEN5:33 pmDenver Intl
2h 28m
PIA9:01 pmGreater Peoria
$279
United Airlines
Jun 30
PIA5:33 pmGreater Peoria
7h 16m
1 stop
DEN11:49 pmDenver Intl
Jul 7
DEN5:33 pmDenver Intl
2h 28m
PIA9:01 pmGreater Peoria
$299
United Airlines
Sep 4
PIA5:31 pmGreater Peoria
7h 03m
1 stop
DEN11:34 pmDenver Intl
Sep 9
DEN5:29 pmDenver Intl
2h 18m
PIA8:47 pmGreater Peoria
$311

Allegiant Air flights from Peoria, Illinois to Denver

Our best Allegiant Air deals on Peoria, Illinois to Denver flight tickets
Allegiant Air
Jun 7
PIA11:07 amGreater Peoria
2h 27m
DEN12:34 pmDenver Intl
Jun 18
DEN4:50 pmDenver Intl
2h 06m
PIA7:56 pmGreater Peoria
$216
Allegiant Air
May 31
PIA11:09 amGreater Peoria
2h 23m
DEN12:32 pmDenver Intl
Jun 7
DEN4:24 pmDenver Intl
2h 06m
PIA7:30 pmGreater Peoria
$218
Allegiant Air
Jul 26
PIA11:07 amGreater Peoria
2h 23m
DEN12:30 pmDenver Intl
Jul 30
DEN4:24 pmDenver Intl
2h 10m
PIA7:34 pmGreater Peoria
$225

momondo Fare Finder

 
Customize your flight search to find flights from Peoria, Illinois to Denver 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 April 30, 2026.
Use the filters below to find and compare flights from Peoria, Illinois to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Sun 6/7

11:07 am-12:34 pm

Nonstop2h 27m

Denver Intl

Thu 6/18

4:50 pm-7:56 pm

Nonstop2h 06m

$216
Quickest round-trip

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Sun 5/31

11:09 am-12:32 pm

Nonstop2h 23m

Denver Intl

Sun 6/7

4:24 pm-7:30 pm

Nonstop2h 06m

$218

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Sun 7/26

11:07 am-12:30 pm

Nonstop2h 23m

Denver Intl

Thu 7/30

4:24 pm-7:34 pm

Nonstop2h 10m

$225

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Thu 8/13

5:23 pm-6:48 pm

Nonstop2h 25m

Denver Intl

Sun 8/16

4:27 pm-7:37 pm

Nonstop2h 10m

$226

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Sun 7/19

11:07 am-12:30 pm

Nonstop2h 23m

Denver Intl

Sun 7/26

4:24 pm-7:34 pm

Nonstop2h 10m

$229

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Thu 8/13

5:23 pm-6:48 pm

Nonstop2h 25m

Denver Intl

Sun 8/16

4:27 pm-7:37 pm

Nonstop2h 10m

$235

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Thu 7/2

10:52 am-12:15 pm

Nonstop2h 23m

Denver Intl

Sun 7/5

4:24 pm-7:34 pm

Nonstop2h 10m

$267

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Sun 6/14

11:07 am-12:34 pm

Nonstop2h 27m

Denver Intl

Thu 6/18

4:50 pm-7:56 pm

Nonstop2h 06m

$270

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Thu 8/13

5:23 pm-6:48 pm

Nonstop2h 25m

Denver Intl

Wed 8/19

2:46 pm-9:12 am

2 stops41h 26m

$274

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Tue 5/19

2:50 pm-9:09 pm

1 stop7h 19m

Denver Intl

Sun 5/24

5:33 pm-9:01 pm

Nonstop2h 28m

$279

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 Peoria, Illinois to Denver

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 typical price of a round-trip flight between Peoria, Illinois and Denver?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Peoria, Illinois is in October. Flight prices, which tend to average around $223, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in October, then you should wait until August to fly from Peoria, Illinois, when ticket prices are also cheap, with an average price of $248.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $311. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $488.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $170. Flights in the morning are often more expensive with an average ticket price of $423.

What is the cheapest Greater Peoria to Denver Intl flight route?

Fly from Greater Peoria to Denver Intl for the best Greater Peoria - Denver Intl flight prices

How far in advance should I book a flight from Peoria, Illinois to Denver?

You are more likely to see cheaper flights to Denver from Peoria, Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $314 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Peoria, Illinois for as low as $180 on momondo.

Can stopping save me money on Peoria, Illinois to Denver flights?

No. A direct flight is the cheapest option for a flight between Peoria, Illinois to Denver.

How have Peoria, Illinois to Denver flight prices changed over time?

As of April 2026, prices for Peoria, Illinois to Denver flights are approximately 293% more expensive when compared to flights at the same time last year.

When to book flights from Peoria, Illinois to Denver

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

Cheap Peoria, Illinois to Denver (PIA to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Peoria, Illinois to Denver

Best Price Found

$315

Fastest flight time

2h 23m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Peoria, Illinois in the past 72 hours is $315. The best round-trip flight deal from Peoria, Illinois to Denver found on momondo in the last 72 hours is $324.
The fastest flight from Peoria, Illinois to Denver takes 2h 23m
Direct flights go from Peoria, Illinois to Denver every day.
There is 1 airport in Denver. From Peoria, Illinois there are direct flights to Denver Intl (DEN).
Search flight deals

Frequently asked questions about flying from Peoria, Illinois to Denver

  • How far is Greater Peoria to Denver Intl by plane?

    Denver Intl is 813.3 mi away from Greater Peoria. A reasonable flight in good conditions will take 2h 23m.

  • When did momondo last update prices for flights from Greater Peoria Airport to Denver Intl Airport?

    Prices for flights from Greater Peoria Airport to Denver Intl Airport were last updated today.

  • How many operators does momondo search for flights from Greater Peoria Airport to Denver Intl Airport?

  • How old do you have to be to fly from Greater Peoria Airport to Denver Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Greater Peoria Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents required for your trip to Denver Intl Airport 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 Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Peoria, Illinois to Denver?

  • What is the most popular airline from Peoria, Illinois to Denver?

Best airlines flying from Peoria, Illinois to Denver

Compare and see reviews for airlines that fly from Peoria, Illinois to Denver with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $53Free CancellationRating
7.3
707 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $223Free CancellationRating
7.4
9,677 reviews
Search United Airlines flights
American AirlinesPriceFrom $228Free CancellationRating
7.1
11,682 reviews
Search American Airlines flights

  • United Airlines Flights From Peoria, Illinois to Denver

    United Airlines flies from Peoria, Illinois to Denver around 7 times per week, with 9,677 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Peoria, Illinois to Denver in the last 72 hours was $223 (round-trip), much lower than the average airfare cost of $361 for United Airlines flights on this route.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Manitou Springs
Longmont
Boulder
Greeley
Keystone
Lakewood
Cripple Creek
Westminster
Thornton
Frisco
Centennial
Grand Lake
Winter Park
Englewood
Littleton

Why use momondo?

Why should I use momondo to find a flight deal from Peoria to Denver?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Peoria to Denver for you.

Can I find flights from Peoria to Denver with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Denver from Peoria with this policy.

How can momondo help me find flights from Peoria to Denver?

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

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

Yes. momondo can track prices for Peoria to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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