CA $358 Cheap Flights from Casper (CPR) to Denver (DEN)

View CA $358 flight on Wed, Aug 26, 2026Opens in a new window

Popular airlines from Casper, WY (CPR-Natrona County Intl.) to Denver International Airport (DEN)

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Cheap flights from Casper (CPR) to Denver (DEN)

Prices were available within the past 7 days and start at CA $358 for one-way flights and CA $406 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Aug 18 - Thu, Sep 3
CPR
Casper
DEN
Denver
CA $406 Roundtrip, found 13 hours ago
CA $406
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Aug 18 from Casper to Denver, returning Thu, Sep 3, priced at CA $406 found 13 hours ago
United
Mon, Aug 24 - Mon, Sep 14
CPR
Casper
DEN
Denver
CA $427 Roundtrip, found 13 hours ago
CA $427
Roundtrip
found 13 hours ago
Select United flight, departing Mon, Aug 24 from Casper to Denver, returning Mon, Sep 14, priced at CA $427 found 13 hours ago
United
Fri, May 15 - Sat, May 30
CPR
Casper
DEN
Denver
CA $447 Roundtrip, found 13 hours ago
CA $447
Roundtrip
found 13 hours ago
Select United flight, departing Fri, May 15 from Casper to Denver, returning Sat, May 30, priced at CA $447 found 13 hours ago
United
Fri, May 22 - Fri, May 29
CPR
Casper
DEN
Denver
CA $455 Roundtrip, found 13 hours ago
CA $455
Roundtrip
found 13 hours ago
Select United flight, departing Fri, May 22 from Casper to Denver, returning Fri, May 29, priced at CA $455 found 13 hours ago
United
Tue, May 19 - Tue, May 26
CPR
Casper
DEN
Denver
CA $468 Roundtrip, found 13 hours ago
CA $468
Roundtrip
found 13 hours ago
Select United flight, departing Tue, May 19 from Casper to Denver, returning Tue, May 26, priced at CA $468 found 13 hours ago
United
Mon, Jun 15 - Thu, Jul 2
CPR
Casper
DEN
Denver
CA $482 Roundtrip, found 13 hours ago
CA $482
Roundtrip
found 13 hours ago
Select United flight, departing Mon, Jun 15 from Casper to Denver, returning Thu, Jul 2, priced at CA $482 found 13 hours ago
United
Sun, Jun 28 - Mon, Jul 13
CPR
Casper
DEN
Denver
CA $502 Roundtrip, found 13 hours ago
CA $502
Roundtrip
found 13 hours ago
Select United flight, departing Sun, Jun 28 from Casper to Denver, returning Mon, Jul 13, priced at CA $502 found 13 hours ago
United
Tue, Aug 11 - Sun, Aug 16
CPR
Casper
DEN
Denver
CA $515 Roundtrip, found 13 hours ago
CA $515
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Aug 11 from Casper to Denver, returning Sun, Aug 16, priced at CA $515 found 13 hours ago
United
Fri, May 22 - Fri, May 29
CPR
Casper
DEN
Denver
CA $522 Roundtrip, found 13 hours ago
CA $522
Roundtrip
found 13 hours ago
Select United flight, departing Fri, May 22 from Casper to Denver, returning Fri, May 29, priced at CA $522 found 13 hours ago
United
Mon, Aug 3 - Sun, Aug 16
CPR
Casper
DEN
Denver
CA $535 Roundtrip, found 13 hours ago
CA $535
Roundtrip
found 13 hours ago
Select United flight, departing Mon, Aug 3 from Casper to Denver, returning Sun, Aug 16, priced at CA $535 found 13 hours ago
United
Fri, May 22 - Fri, May 29
CPR
Casper
DEN
Denver
CA $550 Roundtrip, found 13 hours ago
CA $550
Roundtrip
found 13 hours ago
Select United flight, departing Fri, May 22 from Casper to Denver, returning Fri, May 29, priced at CA $550 found 13 hours ago

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city centre is 32 minutes. Flights from CA $427
DEN
Denver Intl.
Cheapest
Average driving time to city centre32 min
Flights from CA $427

Frequently asked questions

What is the cheapest month to fly from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.)?
February is typically the cheapest month to fly from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.), with average round-trip fares of approximately 422 CAD. This is about 24% lower than the average price throughout the year. February often sees lower prices because it's outside of peak holiday seasons, leading to less demand. Other cheap months to fly from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.) include January and April.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.)?
Enter CPR to DEN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.)?
To find a cheap flight from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.)?
The best airline to fly with from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.) will differ from traveler to traveler. If you like to fly early, UA offers early morning flights. If price is the most important factor, UA typically offers the lowest fares. UA offers the most daily flights from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.)?
The best time to fly from Casper, WY (CPR-Natrona County Intl.) (CPR) to Denver, CO (DEN-Denver Intl.) (DEN) for a good value is typically February or April. Based on booking data from the past year, you can expect to find round-trip flights for around 422 CAD during these months. These periods often offer lower prices as they fall outside of peak travel seasons, giving you a more budget-friendly option for your trip.*Prices based on flights available on Expedia in the last year.
How many flights per day from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.)?
There are approximately 8 nonstop flights per day from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.). For even more choice, look at flights that include layovers.
What is the earliest flight from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.)?
The earliest flight from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.) typically departs at approximately 5:15 AM local time, operated by United Airlines. This is a seasonal service active in May, June, and July. An early departure like this can help you maximize your time in Denver. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.)?
If you're flying from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.), you'll typically find the most flights on a Thursday, with around 7 flights available. This gives you a good selection of options for your travel plans. Flight schedules are consistent throughout the week, so you'll find similar availability on other days.
What are the most popular departure times for flights from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.)?
The most popular departure times for flights from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.) are in the morning, between 9am and 12pm. About 28% of passengers prefer this time window. This timing works well because it allows you to start your travel day a bit later while still arriving in Denver with plenty of time for your plans.
How long does it take to fly from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.)?
Flying nonstop from CPR to DEN takes around 1 hour 30 minutes, with the route covering approximately 230 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.)?
Select the "Business class" and "First class" filters when looking for CPR to DEN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.) flight with Expedia?
It's easy to earn miles on a Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Denver from Natrona County Intl. (CPR)?
If you're planning to travel to Denver from Natrona County Intl. (CPR), you can fly typically into Denver Intl. (DEN) Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.) at the last minute?
Typically, booking a last minute flight from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.) flight and hotel package?
Securing a Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.)?
If you booked your Casper, WY (CPR-Natrona County Intl.) to Denver, CO (DEN-Denver Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Natrona County Intl.
Destination airport
Denver Intl.
Airlines serving
United
Roundtrip price
CA $406
Distance
368 km
Average flight time
1 hour 28 mins

Book with confidence

Casper to Denver Flights

The easy way to book your flights from Casper to Denver 

With Expedia, it’s simple to find and book flights to Denver from Casper whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Denver Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Casper to Denver today, tomorrow, or this week.  

 

Save dollars with cheap flights from Natrona County Intl., CPR to Denver Intl., DEN 

Sort your search results by price to find great deals on your flight from Casper to Denver—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Denver from Casper currently is just CA $406 rising to CA $550.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Denver  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Denver from Casper 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Denver with Expedia today.

Casper to Denver Flights

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