DEN - ORD

$104 Find Cheap Flights from Denver to Chicago O'Hare Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$158
Typical prices: $195-$338
Frontier
Tue 9/11Sat 9/15
DEN - ORD • 1 stop
Cheapest non-stop
$158
Typical prices: $197-$340
Frontier
Tue 10/9Thu 10/18
DEN - ORD • Non-stop
Advice from real travelers
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
+1
Expert advice
+1
Nonstop flights
You can fly direct with United Airlines, American Airlines and Frontier. Average duration is 2h 42m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 12 weeks in advance save around 38% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 24% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $264 (round-trip)
Shortest trip • 4h 45m (one-way)
Insights
Insights
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We hope you love your trip to Chicago O'Hare Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

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

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

Fri, Sep 11 - Tue, Sep 15
Frontier Logo
4:11 pm - 12:45 amDEN  Denver Intl-ORD Chicago O'Hare Intl
7h 34m1 stop Dallas/Fort Worth
Frontier Logo
1:21 pm - 11:44 pmORD  Chicago O'Hare Intl-DEN Denver Intl
11h 23m1 stop Las Vegas Harry Reid Intl
$158Frontier
Wed, Sep 16 - Sat, Sep 19
Frontier Logo
6:40 am - 10:59 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
15h 19m1 stop Orlando
Frontier Logo
4:35 pm - 9:49 pmORD  Chicago O'Hare Intl-DEN Denver Intl
6h 14m1 stop Dallas/Fort Worth
$158Frontier
Sat, Sep 19 - Tue, Sep 22
Multiple Airlines Logo
9:10 pm - 7:13 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
21h 03m1 stop Minneapolis St Paul
Multiple Airlines Logo
6:30 am - 8:15 amORD  Chicago O'Hare Intl-DEN Denver Intl
2h 45mnonstop
$177Multiple Airlines
Sat, Sep 19 - Mon, Sep 21
Multiple Airlines Logo
8:55 pm - 12:23 amDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 28mnonstop
Multiple Airlines Logo
11:47 am - 3:41 pmORD  Chicago O'Hare Intl-DEN Denver Intl
4h 54m1 stop Minneapolis St Paul
$177Multiple Airlines
Thu, Oct 15 - Mon, Oct 19
United Airlines Logo
7:10 pm - 10:46 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 36mnonstop
United Airlines Logo
6:00 am - 7:39 amORD  Chicago O'Hare Intl-DEN Denver Intl
2h 39mnonstop
$213United Airlines
Sat, Sep 12 - Mon, Sep 14
United Airlines Logo
4:40 pm - 8:22 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 42mnonstop
United Airlines Logo
8:20 pm - 10:13 pmORD  Chicago O'Hare Intl-DEN Denver Intl
2h 53mnonstop
$213United Airlines
Wed, Sep 30 - Wed, Sep 30
American Airlines Logo
12:29 pm - 4:10 pmDEN  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
$213American Airlines
Thu, Dec 31 - Thu, Jan 7
American Airlines Logo
10:21 am - 1:58 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
2h 37mnonstop
American Airlines Logo
6:40 am - 8:33 amORD  Chicago O'Hare Intl-DEN Denver Intl
2h 53mnonstop
$213American Airlines
Thu, Dec 17 - Tue, Jan 5
JetBlue Logo
10:40 pm - 5:55 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
18h 15m1 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
$767JetBlue
Fri, Sep 4 - Sun, Sep 6
JetBlue Logo
11:37 pm - 9:58 pmDEN  Denver Intl-ORD Chicago O'Hare Intl
21h 21m2 stops Boston Logan Intl New York John F Kennedy Intl
JetBlue Logo
8:20 pm - 9:03 amORD  Chicago O'Hare Intl-DEN Denver Intl
13h 43m1 stop Boston Logan Intl
$778JetBlue
Booking Insights

Price, demand and travel trends for Denver to Chicago O'Hare Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Denver to Chicago O'Hare Intl Airport with more confidence.

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

Round-trip flights from Denver to Chicago O'Hare Intl Airport start at $158. Prices are below average for this route right now, with typical round-trip fares ranging from $195 to $338. The lowest price found in the past 5 days was $158 on Frontier.

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

Thursday is the cheapest day of the week to fly from Denver to Chicago O'Hare Intl Airport, it is 4% cheaper than the average day. Sunday is the most expensive day with flight prices 24% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Denver to Chicago O'Hare Intl Airport at $198 round-trip.
  • June ($303) and July ($297) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 53% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Denver to Chicago O'Hare Intl Airport the cheapest?

Flights from Denver to Chicago O'Hare Intl Airport are cheapest 12 weeks before departure. Booking in this window typically costs about 38% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

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

 
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.

Key details for Denver to Chicago O'Hare Intl Airport flights

Low season

January

Cheapest flight

$104
Best time to beat the crowds with an average 24% drop in price.
Most popular time to fly with an average 16% increase in price.
Flight from Denver to Chicago O'Hare Intl 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

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…

Your Denver to Chicago O'Hare Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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.

  • Which airlines offer extra legroom and free seat selection on Denver to Chicago O'Hare Intl Airport flights?

    Among airlines operating Denver to Chicago O'Hare Intl Airport flights:

    • United Airlines: offers extra legroom; offers free seat selection
    • Frontier: offers free seat selection
    • American Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Denver to Chicago O'Hare Intl Airport?

    3 airlines operate flights between Denver and Chicago O'Hare Intl Airport. The airlines offering nonstop flights on this route include:
    • United Airlines
    • American Airlines
    • Frontier

  • Which airports can I use when flying from Denver to Chicago O'Hare Intl Airport?

    Flights from Denver to Chicago O'Hare Intl Airport usually depart from Denver Intl (DEN) and arrive at Chicago O'Hare Intl (ORD).

  • Which airlines include bags at no extra cost on Denver to Chicago O'Hare Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class
    • Frontier: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Denver to Chicago O'Hare Intl Airport?

    Four cabin classes are available on flights from Denver to Chicago O'Hare Intl Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by taking a layover when flying from Denver to Chicago O'Hare Intl Airport?

    On this route, nonstop and layover fares are close on average, with nonstop at $262 round-trip and layover options via Dallas/Fort Worth (DFW) at $264.

  • What is the standard checked-bag allowance on flights from Denver to Chicago O'Hare Intl Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Denver to Chicago O'Hare Intl Airport?

    The Airbus A321neo family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737-800 variants.

  • Which airports do connecting flights from Denver to Chicago O'Hare Intl Airport pass through?

    One-stop flights from Denver to Chicago O'Hare Intl Airport most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 50% of one-stop connections
    • Dallas/Fort Worth (DFW) - 30% of one-stop connections
    • Minneapolis St Paul (MSP) - 20% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Denver to Chicago O'Hare Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 23% on the Denver to Chicago O'Hare Intl Airport route. Thursday is the cheapest departure day at $252 round-trip on average, while Sunday is the most expensive at $325, a difference of $73. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Denver to Chicago O'Hare Intl Airport spread across the day?

    Morning is the busiest departure period on Denver to Chicago O'Hare Intl Airport flights, with 48% of flights leaving in that window. Evening departures account for 23%, afternoon flights for 15%, and night flights for 14%.

  • What popular places can I visit in Chicago O'Hare Intl Airport?

    Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and River North. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

  • How long is a flight from Denver to Chicago O'Hare Intl Airport?

    A nonstop flight from Denver to Chicago O'Hare Intl Airport takes 2h 42m, covering 886 miles.

  • What are the earliest and latest flights from Denver to Chicago O'Hare Intl Airport?

    These are the earliest and latest flight times available from Denver to Chicago O'Hare Intl Airport:

    • Earliest: departs at 5:30 am and lands at 8:12 am
    • Latest: departs at 8:55 pm and lands at 11:37 pm.

    The flight takes about 2h 42m.

  • How expensive are last-minute Denver to Chicago O'Hare Intl Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 28% above the route average of $261. Book 12 weeks before departure for the lowest fares.

  • Do I need a passport to fly from Denver to Chicago O'Hare Intl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from Denver to Chicago O'Hare Intl Airport looking right now?

    One-way fares from Denver to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $136, which is 20% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Denver to Chicago O'Hare Intl Airport?

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 4h 45m, compared with 7h 30m via Atlanta Hartsfield-Jackson (ATL) and 13h 48m via Dallas/Fort Worth (DFW).

  • What is the time difference between Denver and Chicago O'Hare Intl Airport?

    Chicago O'Hare Intl Airport is 1 hour ahead of Denver (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Chicago O'Hare Intl Airport (ORD)?

    Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around $17 for economy cars. Top options include:
    · Routes Car & Truck Rentals
    · Europcar
    · Hertz
    · Dollar
    · Ace

  • How much should I expect to pay for a Denver to Chicago O'Hare Intl Airport flight?

    Round-trip flights from Denver to Chicago O'Hare Intl Airport range from $195 to $338, with an average of $261 over the past 12 months. Anything below $195 counts as a good deal.

  • Which airlines offer Wi-Fi on Denver to Chicago O'Hare Intl Airport flights?

    Two airlines offer in-flight Wi-Fi on Denver to Chicago O'Hare Intl Airport flights:

    • • American Airlines
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Denver to Chicago O'Hare Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $252 - about $73 less than Sunday (22% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 12 weeks before you fly. On this route, that window historically saves about 38% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Denver to Chicago O'Hare Intl Airport trip for January. Fares historically average $198 round-trip in that month - typically $105 less than the most expensive month, which is June (based on the last 12 months).
  • 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?

 
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