DEN - ORD

$103 Find Cheap Flights from Denver to Chicago O'Hare Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Denver to O'Hare Intl departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$164
Typical prices: $161-$318
Frontier
Thu 9/17Sun 9/20
DEN - ORD • 1 stop
Cheapest non-stop
$165
Typical prices: $170-$320
American Airlines
Tue 9/15Tue 9/15
DEN - ORD • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
United Economy Plus adds legroom; American Main Cabin Extra adds early boarding.
Frontier Basic Fare limits seat choice, while Southwest includes a free carry-on.
Expert advice
Expert advice
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Expert advice
Expert advice
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Nonstop flights
You can fly direct with American Airlines, Frontier and United Airlines. Average duration is 2h 44m
Direct flights
Direct flights
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+1
Direct flights
Direct flights
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When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 42% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Denver to O'Hare Intl (DEN-ORD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Denver to O'Hare Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Denver to O'Hare Intl

Thu, Sep 17 - Sun, Sep 20
Frontier Logo
4:11 pm - 12:45 amDEN  Denver Intl-ORD Chicago O'Hare Intl
7h 34m1 stop Dallas/Fort Worth
Frontier Logo
6:30 am - 8:15 amORD  Chicago O'Hare Intl-DEN Denver Intl
2h 45mnonstop
$164Frontier
Thu, Sep 17 - Sun, Sep 20
Frontier Logo
4:11 pm - 12:45 amDEN  Denver Intl-ORD Chicago O'Hare Intl
7h 34m1 stop Dallas/Fort Worth
Frontier Logo
6:30 am - 8:15 amORD  Chicago O'Hare Intl-DEN Denver Intl
2h 45mnonstop
$164Frontier
Sat, Oct 10 - Tue, Oct 13
United Airlines Logo
6:10 pm - 9:52 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 42mnonstop
United Airlines Logo
10:00 pm - 11:53 pmORD  Chicago O'Hare Intl-DEN Denver Intl
2h 53mnonstop
$165United Airlines
Tue, Oct 20 - Sat, Oct 24
United Airlines Logo
4:40 pm - 8:22 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 42mnonstop
United Airlines Logo
7:50 pm - 9:44 pmORD  Chicago O'Hare Intl-DEN Denver Intl
2h 54mnonstop
$165United Airlines
Wed, Jan 13 - Wed, Jan 20
American Airlines Logo
8:00 am - 11:45 amDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 45mnonstop
American Airlines Logo
3:29 pm - 5:28 pmORD  Chicago O'Hare Intl-DEN Denver Intl
2h 59mnonstop
$165American Airlines
Tue, Sep 15 - Tue, Sep 15
American Airlines Logo
8:18 am - 11:59 amDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 41mnonstop
American Airlines Logo
10:30 pm - 12:17 amORD  Chicago O'Hare Intl-DEN Denver Intl
2h 47mnonstop
$165American Airlines
Fri, Oct 30 - Sun, Nov 1
Multiple Airlines Logo
6:25 am - 10:01 amDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 36mnonstop
Multiple Airlines Logo
6:08 pm - 11:46 pmORD  Chicago O'Hare Intl-DEN Denver Intl
6h 38m1 stop Minneapolis St Paul
$169Multiple Airlines
Sun, Oct 11 - Fri, Oct 30
Multiple Airlines Logo
10:38 am - 4:44 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
5h 06m1 stop Minneapolis St Paul
Multiple Airlines Logo
10:40 pm - 12:29 amORD  Chicago O'Hare Intl-DEN Denver Intl
2h 49mnonstop
$170Multiple Airlines
Tue, Jan 12 - Wed, Jan 20
JetBlue Logo
1:40 pm - 5:43 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
27h 03m1 stop Boston Logan Intl
JetBlue Logo
7:40 am - 10:42 amORD  Chicago O'Hare Intl-DEN Denver Intl
28h 02m2 stops Boston Logan Intl New York John F Kennedy Intl
$408JetBlue
Fri, Feb 5 - Sun, Feb 7
JetBlue Logo
1:40 pm - 5:43 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
27h 03m1 stop Boston Logan Intl
JetBlue Logo
7:40 am - 10:42 amORD  Chicago O'Hare Intl-DEN Denver Intl
28h 02m2 stops Boston Logan Intl New York John F Kennedy Intl
$488JetBlue
Booking Insights

KAYAK's insights & trends for Denver to O'Hare Intl flights

Get data-powered insights and trends into flights from Denver to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Denver to Chicago O'Hare Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Denver to Chicago O'Hare Intl Airport departing in October.

Flight prices are below average for this route right now.

Flights to Chicago O'Hare Intl Airport from Denver usually cost between $212 and $377 in October.
The lowest price found in the past 5 days was $164 on Frontier (Oct 8-Oct 14).

What’s the cheapest day of the week to fly from Denver to Chicago O'Hare Airport?

The average price of all round-trip flights from Denver to Chicago O'Hare Intl Airport clicked on KAYAK for each day over the last 12 months.

When flying from Denver to Chicago O'Hare Airport, you should consider leaving on a Thursday and avoid Sundays if you are looking for the best rates. For your return to Denver, you’ll find the best rates on Wednesdays and the most expensive ones on Mondays.

What is the cheapest month to fly from Denver to Chicago O'Hare Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Denver to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Denver to Chicago O'Hare Intl Airport is September, where tickets cost $244 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $352 and $348 respectively.

How far in advance should I book a flight from Denver to Chicago O'Hare Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Denver to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Denver to Chicago O'Hare Intl Airport, you should book around 4 weeks before departure, which saves you about 42% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Expert advice

Expert advice for your flight from Denver to O'Hare Intl

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines, Frontier and ORD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on American Airlines and DEN

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low season

January

Cheapest flight

$103
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Denver to Chicago O'Hare Airport

When to book flights from Denver to O'Hare Intl

Are your dates flexible? Find out the best times to travel from Denver to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Denver to O'Hare Intl: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Denver to O'Hare Intl 
JoanneFlew with United Airlines-Jun 2026
The runway to gate took a bit of time. So if you have a short layover pay for a seat up front .
AdamFlew with Southwest-Oct 2024
Arriving T5 at ORD on Southwest is often a LONG walk, with no moving walkways going out, to baggage claim / pickup.
BrianFlew with United Airlines-Jan 2024
Big airport. Make sure you have enough time between flights for rest, eating, etc…

FAQs for booking Denver to Chicago O'Hare Airport flights

  • Does DEN have good places to sleep inside the airport?

    There are several spots in the airport to sleep, such gates A56-70 and the far end of concourse A. These areas have chairs without armrests that you can stretch out on. Additionally, when you move towards the other side of the concourse, there are 8 massage chairs. Near the entrance of the lounges on the third floor, there are a number of mini beds and resting chairs. Close to gates C26-28 on concourse C, you will find come curved couches. Another area with armrest-free chairs is terminal A and in the Jeppesen Terminal.

  • What are my transport options when at DEN?

    If you're traveling to one of the hotels near the airport, you can use the shuttle services that run between the hotels and the airport. If you want to board one, go to the outside doors 505-507 at level 5 of the Jeppesen Terminal. Limousine services are also available though you need to make prior arrangements. There are public trains which are cheaper than any other means of transport. the routes available are 169L, 145X, AT, AB and AA. The final option is the taxi and shared-ride services which are the fastest way to get to Denver city center.

  • Are there salon and spa services at ORD?

    If you are looking for massages, facials, and more, go to gate H6 or H1 of terminal 3 or gate B12 of terminal 1 to find the Terminal Gateway Spa. Alternatively, head over to gate M10 of terminal 5 orf the XpressSpa. If you are looking for a barber shop, you can find one between the parking garage and terminal 2.

  • Which airport lounges are available at ORD?

    You can decide to abandon the less comfortable waiting chairs in the terminals for more comfort at the Air France VIP lounge at gate M7 at terminal 5. Another accessible lounge is the American Airlines Admirals Club on concourses L, K/H, and G in terminal 1. The Swissport Lounge is found close to gates M8 and M7 in terminal 5 with the United Club being on concourses F and C in terminal 1 and on concourse B in terminal 2. Additionally, the Delta Sky Club is available at gate E6 on concourse E of terminal 2. The USO lounge can be found at the ticket counter area for Northwest in the mezzanine level of terminal 2 and mezzanine level at rotunda in terminal 3.

  • What is the cheapest flight from Denver to Chicago O'Hare Intl Airport?

    In the last 5 days, the lowest price for a flight from Denver to Chicago O'Hare Intl Airport was $103 for a one-way ticket and $164 for a round-trip.

  • Do I need a passport to fly between Denver and Chicago O'Hare Airport?

    A passport is not required to fly from Denver to Chicago O'Hare Airport.

  • Which airports will I be using when flying from Denver to Chicago O'Hare Airport?

    When flying out of Denver you will be using Denver Intl. You will be landing at Chicago O'Hare Airport, also known as Chicago O'Hare Intl.

  • Which airlines offer Wi-Fi service onboard planes from Denver to Chicago O'Hare Airport?

    American Airlines, JetBlue, and Delta offer inflight Wi-Fi service on the Denver to Chicago O'Hare Airport flight route.

  • Which aircraft models fly most regularly from Denver to Chicago O'Hare Airport?

    The Airbus A321neo is the aircraft model that flies most regularly on the Denver to Chicago O'Hare Airport flight route.

  • Which airline alliances offer flights from Denver to Chicago O'Hare Airport?

    oneworld, and Star Alliance are the airline alliances operating flights between Denver and Chicago O'Hare Airport, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Denver to Chicago O'Hare Airport?

    There are nonstop flights from Denver to Chicago O'Hare Airport on a daily basis.

  • Which is the best airline for flights from Denver to Chicago, Southwest or United Airlines?

    The two airlines most popular with KAYAK users for flights from Denver to Chicago are Southwest and United Airlines. With an average price for the route of $292 and an overall rating of 8.0, Southwest is the most popular choice. United Airlines is also a great choice for the route, with an average price of $366 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Denver to Chicago O'Hare Airport?

    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 Denver to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Denver to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Denver 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 Denver to Chicago O'Hare Airport?

    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 Chicago O'Hare Airport with an airline and back to Denver with another airline. Booking your flights between Denver and ORD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Denver to Chicago O'Hare Airport?

    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 Chicago O'Hare Airport from Denver up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Denver to Chicago O'Hare Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $157 or less one-way and $267 or less round-trip.
  • There are a number of charging stations at Chicago O'Hare Airport (ORD) ideal for charging laptops and phones, they can be found in terminals 5, 3, 2, and 1. In the gate areas, there are built-in power outlets on the individual seats.
  • Head on to the arrival level of terminal 5 and gates C18 and B7 of terminal 1 in ORD to make inquiries at the information desks.
  • If you want to post some letters from the airport, you’ll find mailboxes at terminals 5, 3, 2 and 1 at ORD.
  • Duty-free shopping is available at Denver International Airport (DEN) at the mezzanine and center core areas of gate B and the center core of gate A. You will find a number of different shops.
  • Each of the concourses at DEN has a water bottle filling station where you can quench your thirst for free. Make sure to take a refillable bottle with you.

Prefer to fly direct from Denver to Chicago O'Hare Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Denver Intl to Chicago O'Hare Intl.
Find which airlines fly direct from Denver Intl Airport to Chicago O'Hare Intl Airport, which days they fly and book direct flights.

Direct departures

Denver Intl to Chicago O'Hare Intl

Monday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Tuesday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Wednesday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Thursday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Saturday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Sunday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

See more direct flights

Direct returns

Chicago O'Hare Intl to Denver Intl

Monday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Tuesday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Wednesday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Thursday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Saturday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Sunday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

See more direct flights

Everything you need to know for your flight from Denver to O'Hare Intl

Other airlines flying to Denver

Flight deals from the most popular airlines with KAYAK users flying the route