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 44 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 $258 (from Atlanta Hartsfield-Jackson) have been found by momondo users. In 10,169 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 42m on average. If you fly from Miami (another popular airport in United States) to Casper Natrona County, then the average flight time is 7h 18m.

$228 Cheap Flights to Casper in 2026

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Find the cheapest flights from the United States to Casper

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:05 pm - 8:17 pmDEN Denver Intl-CPR Casper Natrona County

1h 12mnonstop

3:11 pm - 4:49 pmCPR Casper Natrona County-DEN Denver Intl

1h 38mnonstop

$259United Airlines

Fri, Oct 9 - Sun, Oct 11

5:50 pm - 7:09 pmDEN Denver Intl-CPR Casper Natrona County

1h 19mnonstop

10:06 am - 11:35 amCPR Casper Natrona County-DEN Denver Intl

1h 29mnonstop

$259United Airlines

Wed, Sep 30 - Wed, Oct 7

7:45 am - 8:59 amDEN Denver Intl-CPR Casper Natrona County

1h 14mnonstop

7:15 am - 8:36 amCPR Casper Natrona County-DEN Denver Intl

1h 21mnonstop

$259United Airlines

Mon, Oct 5 - Wed, Oct 14

7:40 am - 8:50 amDEN Denver Intl-CPR Casper Natrona County

1h 10mnonstop

11:24 am - 12:52 pmCPR Casper Natrona County-DEN Denver Intl

1h 28mnonstop

$289United Airlines

Sat, Sep 19 - Wed, Sep 23

5:40 pm - 6:59 pmDEN Denver Intl-CPR Casper Natrona County

1h 19mnonstop

5:15 am - 6:35 amCPR Casper Natrona County-DEN Denver Intl

1h 20mnonstop

$289United Airlines

Thu, Sep 17 - Mon, Sep 21

8:50 pm - 9:59 pmDEN Denver Intl-CPR Casper Natrona County

1h 09mnonstop

4:15 pm - 5:50 pmCPR Casper Natrona County-DEN Denver Intl

1h 35mnonstop

$289United Airlines

Tue, Sep 15 - Sat, Sep 19

5:00 am - 10:49 amGEG Spokane-CPR Casper Natrona County

4h 49m1 stop Denver Intl

3:13 pm - 9:11 pmCPR Casper Natrona County-GEG Spokane

6h 58m1 stop Denver Intl

$308United Airlines

Wed, Oct 28 - Tue, Nov 3

5:45 am - 8:59 amDFW Dallas/Fort Worth-CPR Casper Natrona County

4h 14m1 stop Denver Intl

6:00 pm - 11:59 pmCPR Casper Natrona County-DFW Dallas/Fort Worth

4h 59m1 stop Denver Intl

$308United Airlines

Thu, Oct 1 - Thu, Oct 8

1:39 pm - 7:06 pmDFW Dallas/Fort Worth-CPR Casper Natrona County

6h 27m1 stop Denver Intl

6:00 pm - 12:26 amCPR Casper Natrona County-DFW Dallas/Fort Worth

5h 26m1 stop Denver Intl

$308United Airlines

Fri, Dec 25 - Fri, Jan 1

8:58 am - 12:39 pmDFW Dallas/Fort Worth-CPR Casper Natrona County

4h 41m1 stop Denver Intl

6:00 pm - 11:59 pmCPR Casper Natrona County-DFW Dallas/Fort Worth

4h 59m1 stop Denver Intl

$308United Airlines

Sat, Oct 3 - Fri, Oct 9

Cheap last minute flights

Enter your travel dates to find the best prices.

7:15 pm - 8:27 pmDEN Denver Intl-CPR Casper Natrona County

1h 12mnonstop

7:05 am - 8:26 amCPR Casper Natrona County-DEN Denver Intl

1h 21mnonstop

$304United Airlines

Tue, Sep 8 - Mon, Sep 21

5:50 pm - 7:09 pmDEN Denver Intl-CPR Casper Natrona County

1h 19mnonstop

8:45 am - 10:17 amCPR Casper Natrona County-DEN Denver Intl

1h 32mnonstop

$304United Airlines

Sun, Sep 6 - Sun, Sep 13

7:15 pm - 8:27 pmDEN Denver Intl-CPR Casper Natrona County

1h 12mnonstop

6:00 pm - 7:35 pmCPR Casper Natrona County-DEN Denver Intl

1h 35mnonstop

$339United Airlines

Tue, Sep 8 - Fri, Oct 9

2:45 pm - 8:27 pmSLC Salt Lake City-CPR Casper Natrona County

5h 42m1 stop Denver Intl

4:15 pm - 9:09 pmCPR Casper Natrona County-SLC Salt Lake City

4h 54m1 stop Denver Intl

$368United Airlines

Sat, Sep 5 - Mon, Sep 7

6:03 pm - 9:59 pmSLC Salt Lake City-CPR Casper Natrona County

3h 56m1 stop Denver Intl

5:15 am - 9:34 amCPR Casper Natrona County-SLC Salt Lake City

4h 19m1 stop Denver Intl

$368United Airlines

Sat, Sep 5 - Mon, Sep 7

5:40 pm - 6:59 pmDEN Denver Intl-CPR Casper Natrona County

1h 19mnonstop

5:15 am - 6:35 amCPR Casper Natrona County-DEN Denver Intl

1h 20mnonstop

$369United Airlines

Tue, Sep 8 - Sun, Sep 13

5:05 am - 8:50 amSLC Salt Lake City-CPR Casper Natrona County

3h 45m1 stop Denver Intl

7:05 am - 1:18 pmCPR Casper Natrona County-SLC Salt Lake City

6h 13m1 stop Denver Intl

$378United Airlines

Sat, Sep 5 - Mon, Sep 7

5:09 pm - 8:27 pmDFW Dallas/Fort Worth-CPR Casper Natrona County

4h 18m1 stop Denver Intl

5:15 am - 10:44 amCPR Casper Natrona County-DFW Dallas/Fort Worth

4h 29m1 stop Denver Intl

$428United Airlines

Sat, Sep 5 - Mon, Sep 7

2:20 pm - 8:27 pmDFW Dallas/Fort Worth-CPR Casper Natrona County

7h 07m2 stops Houston George Bush Intcntl Denver Intl

5:15 am - 10:44 amCPR Casper Natrona County-DFW Dallas/Fort Worth

4h 29m1 stop Denver Intl

$434United Airlines

Sat, Sep 5 - Mon, Sep 7

5:09 pm - 9:59 pmDFW Dallas/Fort Worth-CPR Casper Natrona County

5h 50m1 stop Denver Intl

6:00 pm - 11:59 pmCPR Casper Natrona County-DFW Dallas/Fort Worth

4h 59m1 stop Denver Intl

$493United Airlines

Sat, Sep 5 - Tue, Sep 8

Fly from

Route

Depart

Return

Price

Cheapest round-trip

DenverCasper

DEN Denver Intl - CPR Casper Natrona County

DENCPR

Denver Intl

Fri 10/9

7:05 pm-8:17 pm

Nonstop1h 12m

Casper Natrona County

Sun 10/11

3:11 pm-4:49 pm

Nonstop1h 38m

$259

DenverCasper

DEN Denver Intl - CPR Casper Natrona County

DENCPR

Denver Intl

Wed 9/30

5:50 pm-7:09 pm

Nonstop1h 19m

Casper Natrona County

Wed 10/7

10:06 am-11:35 am

Nonstop1h 29m

$259

Quickest round-trip

DenverCasper

DEN Denver Intl - CPR Casper Natrona County

DENCPR

Denver Intl

Mon 10/5

7:45 am-8:59 am

Nonstop1h 14m

Casper Natrona County

Wed 10/14

7:15 am-8:36 am

Nonstop1h 21m

$259

DenverCasper

DEN Denver Intl - CPR Casper Natrona County

DENCPR

Denver Intl

Sat 9/19

7:40 am-8:50 am

Nonstop1h 10m

Casper Natrona County

Wed 9/23

11:24 am-12:52 pm

Nonstop1h 28m

$289

DenverCasper

DEN Denver Intl - CPR Casper Natrona County

DENCPR

Denver Intl

Thu 9/17

5:40 pm-6:59 pm

Nonstop1h 19m

Casper Natrona County

Mon 9/21

5:15 am-6:35 am

Nonstop1h 20m

$289

DenverCasper

DEN Denver Intl - CPR Casper Natrona County

DENCPR

Denver Intl

Tue 9/15

8:50 pm-9:59 pm

Nonstop1h 09m

Casper Natrona County

Sat 9/19

4:15 pm-5:50 pm

Nonstop1h 35m

$289

SpokaneCasper

GEG Spokane - CPR Casper Natrona County

GEGCPR

Spokane

Wed 10/28

5:00 am-10:49 am

1 stop4h 49m

Casper Natrona County

Tue 11/3

3:13 pm-9:11 pm

1 stop6h 58m

$308

DallasCasper

DFW Dallas/Fort Worth - CPR Casper Natrona County

DFWCPR

Dallas/Fort Worth

Thu 10/1

5:45 am-8:59 am

1 stop4h 14m

Casper Natrona County

Thu 10/8

6:00 pm-11:59 pm

1 stop4h 59m

$308

DallasCasper

DFW Dallas/Fort Worth - CPR Casper Natrona County

DFWCPR

Dallas/Fort Worth

Fri 12/25

1:39 pm-7:06 pm

1 stop6h 27m

Casper Natrona County

Fri 1/1

6:00 pm-12:26 am

1 stop5h 26m

$308

DallasCasper

DFW Dallas/Fort Worth - CPR Casper Natrona County

DFWCPR

Dallas/Fort Worth

Sat 10/3

8:58 am-12:39 pm

1 stop4h 41m

Casper Natrona County

Fri 10/9

6:00 pm-11:59 pm

1 stop4h 59m

$308

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 month to fly to Casper?

What is the absolute cheapest flight to Casper?

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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	November	48% cheaper	Flying from Los Angeles to Casper costs on average just $254 in November
MOST EXPENSIVE MONTH TO FLY TO CASPER FROM LOS ANGELES	May	102% more expensive	It costs about $986 for flights to Casper from Los Angeles in May
MOST POPULAR MONTH TO FLY TO CASPER FROM LOS ANGELES	August	600% more users visited	More momondo users searched in flights to Casper from Los Angeles in August than any other month

Cheap Casper flight deals and tips

Summary info about Casper flight prices, duration and airlines

Best One-Way Price	$228
Best Round-Trip Price	$259
Fastest flight time	1h 11m

The best one-way flight price to Casper from United States in the last 5 days is $228 (Idaho Falls Fanning Field to Casper Natrona County).

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The best round-trip flight price to Casper from United States in the last 5 days is $259 (Denver Intl to Casper Natrona County).

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The fastest flight to Casper from United States takes 1h 11m (Denver Intl to Casper Natrona County).

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Frequently asked questions about flying to Casper

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 September 2026, 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.

Rawlins

Douglas

Evansville

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Why should I use momondo to find a flight deal to Casper?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Casper. Millions of users trust and use momondo every year so you are in good company.

Can I find flights to Casper with flexible booking policies on momondo?

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.

How can momondo help me find flights to Casper?

Once you have performed a search for flights to Casper, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight to Casper right now. Can momondo alert me if prices change?

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.