Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Peoria, Illinois to Denver from $123

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
5:24 pm - 6:44 pmPIA  Greater Peoria-DEN Denver Intl
2h 20mnonstop
Allegiant Air Logo
10:20 am - 1:19 pmDEN  Denver Intl-PIA Greater Peoria
1h 59mnonstop
$247Allegiant Air
Thu, Oct 8 - Thu, Oct 15
Allegiant Air Logo
5:24 pm - 6:44 pmPIA  Greater Peoria-DEN Denver Intl
2h 20mnonstop
Allegiant Air Logo
10:20 am - 1:19 pmDEN  Denver Intl-PIA Greater Peoria
1h 59mnonstop
$268Allegiant Air
Thu, Oct 8 - Thu, Oct 15
Allegiant Air Logo
5:24 pm - 6:44 pmPIA  Greater Peoria-DEN Denver Intl
2h 20mnonstop
Allegiant Air Logo
10:20 am - 1:19 pmDEN  Denver Intl-PIA Greater Peoria
1h 59mnonstop
$276Allegiant Air
Thu, Oct 8 - Thu, Oct 15
United Airlines Logo
8:41 am - 10:35 amPIA  Greater Peoria-DEN Denver Intl
2h 54mnonstop
United Airlines Logo
5:45 pm - 9:06 pmDEN  Denver Intl-PIA Greater Peoria
2h 21mnonstop
$319United Airlines
Thu, Nov 12 - Tue, Nov 17
United Airlines Logo
8:41 am - 10:35 amPIA  Greater Peoria-DEN Denver Intl
2h 54mnonstop
United Airlines Logo
5:45 pm - 9:06 pmDEN  Denver Intl-PIA Greater Peoria
2h 21mnonstop
$319United Airlines
Thu, Nov 12 - Sat, Nov 14
United Airlines Logo
5:30 pm - 10:44 pmPIA  Greater Peoria-DEN Denver Intl
6h 14m1 stop Chicago O'Hare Intl
United Airlines Logo
5:45 pm - 9:06 pmDEN  Denver Intl-PIA Greater Peoria
2h 21mnonstop
$329United Airlines
Wed, Nov 25 - Fri, Nov 27
American Airlines Logo
5:30 pm - 12:36 amPIA  Greater Peoria-DEN Denver Intl
8h 06m1 stop Chicago O'Hare Intl
American Airlines Logo
5:24 am - 12:01 pmDEN  Denver Intl-PIA Greater Peoria
5h 37m1 stop Dallas/Fort Worth
$339American Airlines
Sat, Oct 17 - Tue, Oct 20
American Airlines Logo
7:00 am - 2:20 pmPIA  Greater Peoria-DEN Denver Intl
8h 20m1 stop Dallas/Fort Worth
American Airlines Logo
5:30 am - 11:54 amDEN  Denver Intl-PIA Greater Peoria
5h 24m1 stop Dallas/Fort Worth
$339American Airlines
Wed, Jan 27 - Sun, Jan 31
Multiple Airlines Logo
5:24 pm - 6:44 pmPIA  Greater Peoria-DEN Denver Intl
2h 20mnonstop
Multiple Airlines Logo
9:16 pm - 9:01 amDEN  Denver Intl-PIA Greater Peoria
34h 45m3 stops Houston George Bush Intcntl Atlanta Hartsfield-Jackson Orlando
$373Multiple Airlines
Thu, Oct 1 - Mon, Oct 5
Multiple Airlines Logo
5:24 pm - 6:44 pmPIA  Greater Peoria-DEN Denver Intl
2h 20mnonstop
Multiple Airlines Logo
10:47 pm - 12:59 pmDEN  Denver Intl-PIA Greater Peoria
13h 12m1 stop Phoenix Sky Harbor Intl
$379Multiple Airlines
Thu, Oct 1 - Tue, Oct 6

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Allegiant Air flights from Peoria, Illinois to Denver

Our best Allegiant Air deals on Peoria, Illinois to Denver flight tickets
Allegiant Air
Oct 8
PIA5:24 pmGreater Peoria
2h 20m
DEN6:44 pmDenver Intl
Oct 15
DEN10:20 amDenver Intl
1h 59m
PIA1:19 pmGreater Peoria
$268
Allegiant Air
Oct 8
PIA5:24 pmGreater Peoria
2h 20m
DEN6:44 pmDenver Intl
Oct 15
DEN10:20 amDenver Intl
1h 59m
PIA1:19 pmGreater Peoria
$276
Allegiant Air
Oct 11
PIA5:24 pmGreater Peoria
2h 20m
DEN6:44 pmDenver Intl
Oct 15
DEN10:20 amDenver Intl
1h 59m
PIA1:19 pmGreater Peoria
$278

United Airlines flights from Peoria, Illinois to Denver

Our best United Airlines deals on Peoria, Illinois to Denver flight tickets
United Airlines
Nov 12
PIA8:41 amGreater Peoria
2h 54m
DEN10:35 amDenver Intl
Nov 14
DEN5:45 pmDenver Intl
2h 21m
PIA9:06 pmGreater Peoria
$319
United Airlines
Nov 12
PIA8:41 amGreater Peoria
2h 54m
DEN10:35 amDenver Intl
Nov 14
DEN4:48 pmDenver Intl
5h 25m
1 stop
PIA11:13 pmGreater Peoria
$329
United Airlines
Sep 29
PIA8:45 amGreater Peoria
2h 41m
DEN10:26 amDenver Intl
Nov 6
DEN5:45 pmDenver Intl
2h 21m
PIA9:06 pmGreater Peoria
$339

momondo Fare Finder

 
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
Quickest round-trip

PeoriaDenver

PIA Greater Peoria - DEN Denver Intl

PIADEN

Greater Peoria

Thu 10/8

5:24 pm-6:44 pm

Nonstop2h 20m

Denver Intl

Thu 10/15

10:20 am-1:19 pm

Nonstop1h 59m

$247

PeoriaDenver

PIA Greater Peoria - DEN Denver Intl

PIADEN

Greater Peoria

Thu 10/8

5:24 pm-6:44 pm

Nonstop2h 20m

Denver Intl

Thu 10/15

10:20 am-1:19 pm

Nonstop1h 59m

$268

PeoriaDenver

PIA Greater Peoria - DEN Denver Intl

PIADEN

Greater Peoria

Thu 10/8

5:24 pm-6:44 pm

Nonstop2h 20m

Denver Intl

Thu 10/15

10:20 am-1:19 pm

Nonstop1h 59m

$276

PeoriaDenver

PIA Greater Peoria - DEN Denver Intl

PIADEN

Greater Peoria

Thu 11/12

8:41 am-10:35 am

Nonstop2h 54m

Denver Intl

Tue 11/17

5:45 pm-9:06 pm

Nonstop2h 21m

$319

PeoriaDenver

PIA Greater Peoria - DEN Denver Intl

PIADEN

Greater Peoria

Thu 11/12

8:41 am-10:35 am

Nonstop2h 54m

Denver Intl

Sat 11/14

5:45 pm-9:06 pm

Nonstop2h 21m

$319

PeoriaDenver

PIA Greater Peoria - DEN Denver Intl

PIADEN

Greater Peoria

Wed 11/25

5:30 pm-10:44 pm

1 stop6h 14m

Denver Intl

Fri 11/27

5:45 pm-9:06 pm

Nonstop2h 21m

$329

PeoriaDenver

PIA Greater Peoria - DEN Denver Intl

PIADEN

Greater Peoria

Sat 10/17

5:30 pm-12:36 am

1 stop8h 06m

Denver Intl

Tue 10/20

5:24 am-12:01 pm

1 stop5h 37m

$339

PeoriaDenver

PIA Greater Peoria - DEN Denver Intl

PIADEN

Greater Peoria

Wed 1/27

7:00 am-2:20 pm

1 stop8h 20m

Denver Intl

Sun 1/31

5:30 am-11:54 am

1 stop5h 24m

$339

PeoriaDenver

PIA Greater Peoria - DEN Denver Intl

PIADEN

Greater Peoria

Thu 10/1

5:24 pm-6:44 pm

Nonstop2h 20m

Denver Intl

Mon 10/5

9:16 pm-9:01 am

3 stops34h 45m

$373

PeoriaDenver

PIA Greater Peoria - DEN Denver Intl

PIADEN

Greater Peoria

Thu 10/1

5:24 pm-6:44 pm

Nonstop2h 20m

Denver Intl

Tue 10/6

10:47 pm-12:59 pm

1 stop13h 12m

$379

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

Prices are currently low for flights on this route.

Typical prices usually range from $291 to $416.
The lowest price recently found on this route was $247.

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Peoria, Illinois is in December. Flight prices, which tend to average around $253, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in December, then you should wait until October to fly from Peoria, Illinois, when ticket prices are also cheap, with an average price of $259.

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 Thursday when prices can be found for as low as $373. 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 Monday, with ticket prices averaging around $606.

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 $249. Flights in the morning are often more expensive with an average ticket price of $422.

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 $335 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 $278 on momondo.

What cabin class options are available on Peoria, Illinois to Denver flights?

There are 4 cabin classes available to choose from on Peoria, Illinois to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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 September 2026, prices for Peoria, Illinois to Denver flights are approximately 52% 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

$123

Fastest flight time

2h 20m

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 $123. The best round-trip flight deal from Peoria, Illinois to Denver found on momondo in the last 72 hours is $247.
The fastest flight from Peoria, Illinois to Denver takes 2h 20m
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 20m.

  • 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 $74Free CancellationRating
7.3
679 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $223Free CancellationRating
7.4
10,214 reviews
Search United Airlines flights
American AirlinesPriceFrom $228Free CancellationRating
7.1
12,076 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 10,214 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 $376 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
Westminster
Longmont
Boulder
Lakewood
Manitou Springs
Greeley
Keystone
Thornton
Centennial
Cripple Creek
Littleton
Englewood
Winter Park
Golden
Frisco

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.

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 10/17
Sat 10/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States