Which airlines fly to Casper?

When flying to Casper from United States, momondo travelers will most often fly with that one popular airline: United Airlines. Depending on what airport in United States you fly from, you may be able to find flights with that popular airline.

United Airlines Flights to Casper

United Airlines is a popular choice for users traveling to Casper. It operates 49 flights every week to Casper, most often flying from Denver Intl. United Airlines ticket prices will depend on when and where you need to fly from - deals as low as $169 (from Atlanta Hartsfield-Jackson) have been found by momondo users. In 8,991 reviews, momondo users have rated United Airlines at an average score of 7.4/10.

How long does it take to fly to Casper?

The flight from United States to Casper depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Los Angeles (a popular airport in United States) to Casper Natrona County (the most popular airport in Casper), then the flight time is 4h 36m on average. If you fly from Miami (another popular airport in United States) to Casper Natrona County, then the average flight time is 9h 29m.

$169 Cheap Flights to Casper in 2025/26

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Find the cheapest flights from the United States to Casper

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Cheap round-trip flights

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9:35 am - 10:45 amDEN-CPR

1h 10mnonstop

8:55 pm - 10:22 pmCPR-DEN

1h 27mnonstop

$169United Airlines

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Mon, Nov 24 - Sat, Nov 29

3:41 pm - 4:53 pmDEN-CPR

1h 12mnonstop

3:18 pm - 4:45 pmCPR-DEN

1h 27mnonstop

$179United Airlines

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Sun, Nov 2 - Sat, Nov 8

11:20 am - 12:31 pmDEN-CPR

1h 11mnonstop

9:03 am - 10:30 amCPR-DEN

1h 27mnonstop

$184United Airlines

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Sun, Nov 16 - Sun, Nov 23

1:00 pm - 4:53 pmSLC-CPR

3h 53m1 stop

1:25 pm - 5:20 pmCPR-SLC

3h 55m1 stop

$228United Airlines

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Tue, Nov 4 - Sat, Nov 8

5:45 pm - 7:02 pmDEN-CPR

1h 17mnonstop

9:00 am - 10:31 amCPR-DEN

1h 31mnonstop

$229United Airlines

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Sat, Feb 28 - Tue, Mar 3

9:45 am - 10:53 amDEN-CPR

1h 08mnonstop

3:15 pm - 4:40 pmCPR-DEN

1h 25mnonstop

$234United Airlines

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Fri, Mar 27 - Sat, Apr 4

4:32 pm - 8:17 pmPHX-CPR

3h 45m1 stop

6:05 pm - 10:40 pmCPR-PHX

4h 35m1 stop

$238United Airlines

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Fri, Nov 14 - Sun, Nov 16

3:48 pm - 9:58 pmSEA-CPR

5h 10m1 stop

5:30 am - 10:35 amCPR-SEA

6h 05m1 stop

$238United Airlines

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Sat, Nov 8 - Tue, Nov 11

11:33 am - 7:02 pmPHX-CPR

7h 29m2 stops

5:25 am - 9:56 amCPR-PHX

4h 31m1 stop

$244United Airlines

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Thu, Feb 19 - Sun, Feb 22

1:20 pm - 9:58 pmSEA-CPR

7h 38m2 stops

5:30 am - 10:35 amCPR-SEA

6h 05m1 stop

$244United Airlines

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Sat, Nov 8 - Tue, Nov 11

Fly from

Route

Depart

Return

Price

DenverCasper

DEN - CPR

DENCPR

Denver Intl

Mon 11/24

9:35 am-10:45 am

Nonstop1h 10m

Casper Natrona County

Sat 11/29

8:55 pm-10:22 pm

Nonstop1h 27m

$169

DenverCasper

DEN - CPR

DENCPR

Denver Intl

Sun 11/2

3:41 pm-4:53 pm

Nonstop1h 12m

Casper Natrona County

Sat 11/8

3:18 pm-4:45 pm

Nonstop1h 27m

$179

DenverCasper

DEN - CPR

DENCPR

Denver Intl

Sun 11/16

11:20 am-12:31 pm

Nonstop1h 11m

Casper Natrona County

Sun 11/23

9:03 am-10:30 am

Nonstop1h 27m

$184

Salt Lake CityCasper

SLC - CPR

SLCCPR

Salt Lake City

Tue 11/4

1:00 pm-4:53 pm

1 stop3h 53m

Casper Natrona County

Sat 11/8

1:25 pm-5:20 pm

1 stop3h 55m

$228

DenverCasper

DEN - CPR

DENCPR

Denver Intl

Sat 2/28

5:45 pm-7:02 pm

Nonstop1h 17m

Casper Natrona County

Tue 3/3

9:00 am-10:31 am

Nonstop1h 31m

$229

DenverCasper

DEN - CPR

DENCPR

Denver Intl

Fri 3/27

9:45 am-10:53 am

Nonstop1h 08m

Casper Natrona County

Sat 4/4

3:15 pm-4:40 pm

Nonstop1h 25m

$234

PhoenixCasper

PHX - CPR

PHXCPR

Phoenix Sky Harbor Intl

Fri 11/14

4:32 pm-8:17 pm

1 stop3h 45m

Casper Natrona County

Sun 11/16

6:05 pm-10:40 pm

1 stop4h 35m

$238

SeattleCasper

SEA - CPR

SEACPR

Seattle/Tacoma Intl

Sat 11/8

3:48 pm-9:58 pm

1 stop5h 10m

Casper Natrona County

Tue 11/11

5:30 am-10:35 am

1 stop6h 05m

$238

PhoenixCasper

PHX - CPR

PHXCPR

Phoenix Sky Harbor Intl

Thu 2/19

11:33 am-7:02 pm

2 stops7h 29m

Casper Natrona County

Sun 2/22

5:25 am-9:56 am

1 stop4h 31m

$244

SeattleCasper

SEA - CPR

SEACPR

Seattle/Tacoma Intl

Sat 11/8

1:20 pm-9:58 pm

2 stops7h 38m

Casper Natrona County

Tue 11/11

5:30 am-10:35 am

1 stop6h 05m

$244

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Casper flights insights and trends

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Prices

Other information

What is the cheapest day to depart on your flight to Casper?

The cheapest day to depart from United States to Casper is on a Saturday when prices can be found for as low as $420. The most expensive day to fly to Casper is Friday, with ticket prices averaging around $794.

What is the cheapest time of day to depart on your flight to Casper?

The cheapest time of day to fly to Casper is in the morning when flights can be purchased for as low as $680. Flights to Casper are more costly in the afternoon, with an average ticket price of $1,419. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheapest flights to Casper Natrona County

Find the cheapest flights to Casper Natrona County from your nearest city or airport

Find flights from Los Angeles to Casper

CHEAPEST MONTH TO FLY TO CASPER FROM LOS ANGELES	April	21% cheaper	Flying from Los Angeles to Casper costs on average just $308 in April
MOST EXPENSIVE MONTH TO FLY TO CASPER FROM LOS ANGELES	June	53% more expensive	It costs about $598 for flights to Casper from Los Angeles in June
MOST POPULAR MONTH TO FLY TO CASPER FROM LOS ANGELES	December	650% more users visited	More momondo users searched in flights to Casper from Los Angeles in December than any other month

Cheap Casper flight deals and tips

Summary info about Casper flight prices, duration and airlines

Best One-Way Price	$233
Best Round-Trip Price	$169
Fastest flight time	1h 12m
Popular in	December

The best one-way flight price to Casper from United States in the last 72 hours is $233 (Seattle/Tacoma Intl to Casper Natrona County).

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The best round-trip flight price to Casper from United States in the last 72 hours is $169 (Denver Intl to Casper Natrona County).

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The fastest flight to Casper from United States takes 1h 12m (Denver Intl to Casper Natrona County).

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December has the highest demand for flights to Casper, with a 1% price increase on average.

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Frequently asked questions about flying to Casper

When are the weather conditions best for skiing in Casper?

Typically, the best ski conditions are found in January, when the temperatures are lower and there is a chance of fresh snow. Popular places to ski in the Casper area include Jackson Hole Mountain Resort. If you are planning a ski trip to multiple mountains, Grand Targhee is a recommended attraction in the Casper area.

What is the cheapest month to fly to Casper?

In general, November is the cheapest month to fly from United States to Casper. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $344. If you aren’t able to travel during the month of November, then book flights to Casper from United States during February instead. Flights to Casper in February, while not as cheap as those in November, still average around $376.

When did momondo last update prices for flights to Casper Natrona County Airport?

Prices for flights to Casper Natrona County Airport are updated daily.

How many operators does momondo search for flights to Casper Natrona County Airport?

As of October 2025, there is 1 operator available to choose from for flights to Casper Natrona County Airport.

How old do you have to be to fly to Casper Natrona County Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Casper Natrona County Airport.

What documentation or ID do you need to fly to Casper Natrona County Airport?

The travel and health documents you'll need for your trip to Casper Natrona County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Casper Natrona County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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momondo does allow users to show only those flights to Casper which offer a flexible booking policy as well as other useful filters and features.

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Yes. momondo can track flight prices for Casper and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.