$64 Cheap Flights from Denver (DEN) to Chicago (ORD)

View $64 flight on Wed, May 28, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Chicago O'Hare Intl. Airport (ORD)

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Find available prices by choosing your travel dates.

Cheap Flights from Denver to Chicago (DEN-ORD)

Prices were available within the past 7 days and start at $64 for one-way flights and $128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, May 24 - Sun, May 25
DEN
Denver
ORD
Chicago
$128 Roundtrip, just found
$128
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 24 from Denver to Chicago, returning Sun, May 25, priced at $128 just found
Frontier Airlines
Fri, Jun 6 - Sat, Jun 7
DEN
Denver
ORD
Chicago
$130 Roundtrip, found 2 hours ago
$130
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Jun 6 from Denver to Chicago, returning Sat, Jun 7, priced at $130 found 2 hours ago
Frontier Airlines
Mon, Jun 2 - Thu, Jun 12
DEN
Denver
ORD
Chicago
$134 Roundtrip, found 1 hour ago
$134
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Jun 2 from Denver to Chicago, returning Thu, Jun 12, priced at $134 found 1 hour ago
Frontier Airlines
Thu, Aug 7 - Tue, Aug 12
DEN
Denver
ORD
Chicago
$139 Roundtrip, found 6 days ago
$139
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Aug 7 from Denver to Chicago, returning Tue, Aug 12, priced at $139 found 6 days ago
Frontier Airlines
Mon, Jul 21 - Thu, Jul 31
DEN
Denver
ORD
Chicago
$140 Roundtrip, found 1 hour ago
$140
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Denver to Chicago, returning Thu, Jul 31, priced at $140 found 1 hour ago
Frontier Airlines
Sat, May 24 - Mon, May 26
DEN
Denver
ORD
Chicago
$142 Roundtrip, just found
$142
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 24 from Denver to Chicago, returning Mon, May 26, priced at $142 just found
United
Wed, May 21 - Sat, May 31
DEN
Denver
ORD
Chicago
$144 Roundtrip, found 1 hour ago
$144
Roundtrip
found 1 hour ago
Select United flight, departing Wed, May 21 from Denver to Chicago, returning Sat, May 31, priced at $144 found 1 hour ago
American Airlines
Tue, Jul 1 - Sat, Jul 5
DEN
Denver
ORD
Chicago
$148 Roundtrip, found 3 hours ago
$148
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Jul 1 from Denver to Chicago, returning Sat, Jul 5, priced at $148 found 3 hours ago
Southwest Airlines
Wed, Jun 4 - Sat, Jun 7
DEN
Denver
ORD
Chicago
$150 Roundtrip, found 1 hour ago
$150
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Jun 4 from Denver to Chicago, returning Sat, Jun 7, priced at $150 found 1 hour ago
Sun Country Airlines
Tue, Nov 25 - Fri, Nov 28
DEN
Denver
ORD
Chicago
$257 Roundtrip, found 4 hours ago
$257
Roundtrip
found 4 hours ago
Select Sun Country Airlines flight, departing Tue, Nov 25 from Denver to Chicago, returning Fri, Nov 28, priced at $257 found 4 hours ago

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD) cost?
Score affordable return tickets from Denver Intl. Airport (DEN) to O’Hare Intl. Airport (ORD) starting at $128. Snag a seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving DEN on May 19 2025 and touching down at ORD. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from DEN to ORD?
The cheapest flights from DEN to ORD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD)?
Skip the stopovers and fly nonstop to O’Hare Intl. Airport (ORD) from Denver Intl. Airport (DEN) with 4 carriers, including:

  • United Airlines
  • Southwest Airlines
  • American Airlines

What is the cheapest airline that flies from DEN to ORD?
With tickets starting at $64 for a one-way journey from DEN to ORD, Frontier Airlines is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on July 4 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD)?
When taking off from Denver Intl. Airport (DEN), you can choose from an average of 14 daily direct flights to O’Hare Intl. Airport (ORD).
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD)?
The 5 PM departures from DEN to ORD are the most sought after. These flights can come with a higher price due to their popularity. If you’re looking to save, choose a less crowded time to fly.
What day of the week has the most flights from DEN to ORD?
Jet off on a Sunday if you’re looking for the best choice of flights from Denver Intl. Airport (DEN) to O’Hare Intl. Airport (ORD).
What is the earliest flight from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD)?
Take the earliest flight at around 6:00AM UTC-7, departing from Denver Intl. Airport (DEN). You’ll be in the air for approximately 2h 38m, landing at O’Hare Intl. Airport (ORD) at approximately 9:38AM UTC-6.
How long does it take to fly from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD)?
It usually takes 2 hours and 32 minutes to cover the 890 mi from DEN to ORD.
What is the best time to fly from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD)?
To reach O’Hare Intl. Airport (ORD) on schedule, opt for a flight that takes off from Denver Intl. Airport (DEN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Chicago from Denver Intl. Airport (DEN)?
You’ll touch down at O’Hare Intl. Airport (ORD) or Midway Intl. Airport (MDW) when traveling to Chicago on a direct flight from Denver Intl. Airport (DEN).
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD) last-minute?
Waiting until just before your trip to book your flight from DEN to ORD often results in higher prices. While you might find some last-minute discounts, there’s no guarantee. Allow some flexibility in your schedule to boost your chances of scoring a bargain.
Is it cheaper to book a DEN to ORD flight and hotel package?
Compared with arranging hotels and flights separately, booking a DEN to ORD flight and hotel package with Expedia could result in significant savings. What’s more, having everything in one convenient place will take the stress out of travel planning. Just pick your flights and select from our wide range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to O'Hare Intl. Airport (ORD)?
Usually, it’s possible to reschedule or cancel your DEN to ORD flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more information on our Customer Service portal.
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