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 47 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 10,188 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 49m 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.

$254 Cheap Flights to Casper in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

11:22 am - 12:39 pmDEN Denver Intl-CPR Casper Natrona County

1h 17mnonstop

3:13 pm - 4:45 pmCPR Casper Natrona County-DEN Denver Intl

1h 32mnonstop

$279United Airlines

Wed, Oct 14 - Sun, Nov 1

1:25 pm - 2:36 pmDEN Denver Intl-CPR Casper Natrona County

1h 11mnonstop

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

1h 29mnonstop

$279United Airlines

Tue, Oct 6 - Tue, Oct 13

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

1h 19mnonstop

6:00 pm - 7:29 pmCPR Casper Natrona County-DEN Denver Intl

1h 29mnonstop

$279United Airlines

Wed, Sep 30 - Tue, Oct 13

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

1h 12mnonstop

1:26 pm - 2:55 pmCPR Casper Natrona County-DEN Denver Intl

1h 29mnonstop

$289United Airlines

Fri, Sep 25 - Sat, Sep 26

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

1h 19mnonstop

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

1h 38mnonstop

$294United Airlines

Mon, Sep 21 - Mon, Sep 28

12:51 pm - 5:17 pmPHX Phoenix Sky Harbor Intl-CPR Casper Natrona County

4h 26m1 stop Denver Intl

1:21 pm - 7:42 pmCPR Casper Natrona County-PHX Phoenix Sky Harbor Intl

6h 21m1 stop Denver Intl

$308United Airlines

Fri, Dec 4 - Mon, Dec 7

2:27 pm - 8:17 pmSEA Seattle/Tacoma Intl-CPR Casper Natrona County

4h 50m1 stop Denver Intl

5:57 pm - 11:15 pmCPR Casper Natrona County-SEA Seattle/Tacoma Intl

6h 18m1 stop Denver Intl

$308United Airlines

Fri, Oct 23 - Sun, Oct 25

1:08 pm - 5:03 pmSLC Salt Lake City-CPR Casper Natrona County

3h 55m1 stop Denver Intl

3:11 pm - 9:11 pmCPR Casper Natrona County-SLC Salt Lake City

6h 00m1 stop Denver Intl

$308United Airlines

Tue, Oct 6 - Tue, Oct 13

1:08 pm - 5:03 pmSLC Salt Lake City-CPR Casper Natrona County

3h 55m1 stop Denver Intl

6:00 pm - 10:35 pmCPR Casper Natrona County-SLC Salt Lake City

4h 35m1 stop Denver Intl

$308United Airlines

Tue, Oct 6 - Tue, Oct 13

11:18 am - 12:35 pmDEN Denver Intl-CPR Casper Natrona County

1h 17mnonstop

11:23 am - 12:50 pmCPR Casper Natrona County-DEN Denver Intl

1h 27mnonstop

$309United Airlines

Wed, Sep 23 - Sun, Sep 27

Cheap last minute flights

Enter your travel dates to find the best prices.

11:18 am - 12:35 pmDEN Denver Intl-CPR Casper Natrona County

1h 17mnonstop

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

1h 29mnonstop

$359United Airlines

Sat, Sep 12 - Tue, Oct 13

4:05 pm - 5:18 pmDEN Denver Intl-CPR Casper Natrona County

1h 13mnonstop

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

1h 29mnonstop

$359United Airlines

Mon, Sep 14 - Tue, Oct 13

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

1h 19mnonstop

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

1h 21mnonstop

$359United Airlines

Fri, Sep 11 - Tue, Oct 13

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

1h 19mnonstop

6:00 pm - 7:29 pmCPR Casper Natrona County-DEN Denver Intl

1h 29mnonstop

$359United Airlines

Sun, Sep 13 - Tue, Oct 13

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

1h 12mnonstop

6:00 pm - 7:29 pmCPR Casper Natrona County-DEN Denver Intl

1h 29mnonstop

$359United Airlines

Thu, Sep 10 - Tue, Oct 13

11:18 am - 12:35 pmDEN Denver Intl-CPR Casper Natrona County

1h 17mnonstop

10:01 am - 11:30 amCPR Casper Natrona County-DEN Denver Intl

1h 29mnonstop

$370United Airlines

Sun, Sep 13 - Wed, Sep 16

7:00 am - 10:49 amSLC Salt Lake City-CPR Casper Natrona County

3h 49m1 stop Denver Intl

1:16 pm - 5:23 pmCPR Casper Natrona County-SLC Salt Lake City

4h 07m1 stop Denver Intl

$378United Airlines

Fri, Sep 11 - Sun, Sep 13

7:00 am - 12:35 pmSLC Salt Lake City-CPR Casper Natrona County

5h 35m1 stop Denver Intl

10:01 am - 3:28 pmCPR Casper Natrona County-SLC Salt Lake City

5h 27m1 stop Denver Intl

$398United Airlines

Fri, Sep 11 - Sun, Sep 13

5:20 am - 10:49 amSLC Salt Lake City-CPR Casper Natrona County

5h 29m1 stop Denver Intl

4:15 pm - 10:43 pmCPR Casper Natrona County-SLC Salt Lake City

6h 28m1 stop Denver Intl

$398United Airlines

Thu, Sep 10 - Sat, Sep 12

1:34 pm - 8:27 pmPHX Phoenix Sky Harbor Intl-CPR Casper Natrona County

5h 53m1 stop Denver Intl

4:15 pm - 8:24 pmCPR Casper Natrona County-PHX Phoenix Sky Harbor Intl

5h 09m1 stop Denver Intl

$413United Airlines

Fri, Sep 11 - Sat, Sep 19

Recent direct flight deals from the United States to Casper

Enter your travel dates to find the best prices.

11:22 am - 12:39 pmDEN Denver Intl-CPR Casper Natrona County

1h 17mnonstop

3:13 pm - 4:45 pmCPR Casper Natrona County-DEN Denver Intl

1h 32mnonstop

$279United Airlines

Wed, Oct 14 - Sun, Nov 1

1:25 pm - 2:36 pmDEN Denver Intl-CPR Casper Natrona County

1h 11mnonstop

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

1h 29mnonstop

$279United Airlines

Tue, Oct 6 - Tue, Oct 13

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

1h 19mnonstop

6:00 pm - 7:29 pmCPR Casper Natrona County-DEN Denver Intl

1h 29mnonstop

$279United Airlines

Wed, Sep 30 - Tue, Oct 13

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

1h 12mnonstop

1:26 pm - 2:55 pmCPR Casper Natrona County-DEN Denver Intl

1h 29mnonstop

$289United Airlines

Fri, Sep 25 - Sat, Sep 26

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

1h 19mnonstop

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

1h 38mnonstop

$294United Airlines

Mon, Sep 21 - Mon, Sep 28

11:18 am - 12:35 pmDEN Denver Intl-CPR Casper Natrona County

1h 17mnonstop

11:23 am - 12:50 pmCPR Casper Natrona County-DEN Denver Intl

1h 27mnonstop

$309United Airlines

Wed, Sep 23 - Sun, Sep 27

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

1h 12mnonstop

11:25 am - 12:41 pmCPR Casper Natrona County-DEN Denver Intl

1h 16mnonstop

$329United Airlines

Sat, Feb 27 - Wed, Mar 3

8:38 pm - 9:59 pmDEN Denver Intl-CPR Casper Natrona County

1h 21mnonstop

5:15 am - 6:47 amCPR Casper Natrona County-DEN Denver Intl

1h 32mnonstop

$329United Airlines

Thu, Dec 24 - Sun, Jan 3

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

1h 12mnonstop

11:25 am - 12:41 pmCPR Casper Natrona County-DEN Denver Intl

1h 16mnonstop

$349United Airlines

Sat, Feb 27 - Wed, Mar 3

9:00 pm - 10:12 pmDEN Denver Intl-CPR Casper Natrona County

1h 12mnonstop

11:25 am - 12:41 pmCPR Casper Natrona County-DEN Denver Intl

1h 16mnonstop

$349United Airlines

Sat, Feb 27 - Wed, Mar 3

Fly from

Route

Depart

Return

Price

Cheapest round-trip

DenverCasper

DEN Denver Intl - CPR Casper Natrona County

DENCPR

Denver Intl

Wed 10/14

11:22 am-12:39 pm

Nonstop1h 17m

Casper Natrona County

Sun 11/1

3:13 pm-4:45 pm

Nonstop1h 32m

$279

Quickest round-trip

DenverCasper

DEN Denver Intl - CPR Casper Natrona County

DENCPR

Denver Intl

Tue 10/6

1:25 pm-2:36 pm

Nonstop1h 11m

Casper Natrona County

Tue 10/13

10:06 am-11:35 am

Nonstop1h 29m

$279

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

Tue 10/13

6:00 pm-7:29 pm

Nonstop1h 29m

$279

DenverCasper

DEN Denver Intl - CPR Casper Natrona County

DENCPR

Denver Intl

Fri 9/25

7:05 pm-8:17 pm

Nonstop1h 12m

Casper Natrona County

Sat 9/26

1:26 pm-2:55 pm

Nonstop1h 29m

$289

DenverCasper

DEN Denver Intl - CPR Casper Natrona County

DENCPR

Denver Intl

Mon 9/21

5:40 pm-6:59 pm

Nonstop1h 19m

Casper Natrona County

Mon 9/28

3:11 pm-4:49 pm

Nonstop1h 38m

$294

PhoenixCasper

PHX Phoenix Sky Harbor Intl - CPR Casper Natrona County

PHXCPR

Phoenix Sky Harbor Intl

Fri 12/4

12:51 pm-5:17 pm

1 stop4h 26m

Casper Natrona County

Mon 12/7

1:21 pm-7:42 pm

1 stop6h 21m

$308

SeattleCasper

SEA Seattle/Tacoma Intl - CPR Casper Natrona County

SEACPR

Seattle/Tacoma Intl

Fri 10/23

2:27 pm-8:17 pm

1 stop4h 50m

Casper Natrona County

Sun 10/25

5:57 pm-11:15 pm

1 stop6h 18m

$308

Salt Lake CityCasper

SLC Salt Lake City - CPR Casper Natrona County

SLCCPR

Salt Lake City

Tue 10/6

1:08 pm-5:03 pm

1 stop3h 55m

Casper Natrona County

Tue 10/13

3:11 pm-9:11 pm

1 stop6h 00m

$308

Salt Lake CityCasper

SLC Salt Lake City - CPR Casper Natrona County

SLCCPR

Salt Lake City

Tue 10/6

1:08 pm-5:03 pm

1 stop3h 55m

Casper Natrona County

Tue 10/13

6:00 pm-10:35 pm

1 stop4h 35m

$308

DenverCasper

DEN Denver Intl - CPR Casper Natrona County

DENCPR

Denver Intl

Wed 9/23

11:18 am-12:35 pm

Nonstop1h 17m

Casper Natrona County

Sun 9/27

11:23 am-12:50 pm

Nonstop1h 27m

$309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Casper flights insights and trends

Explore insights for your Casper flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Casper?

What is the absolute cheapest flight to Casper?

See prices from:

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	46% 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	112% 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	$254
Best Round-Trip Price	$279
Fastest flight time	1h 13m

The best one-way flight price to Casper from United States in the last 5 days is $254 (Denver Intl to Casper Natrona County).

Search Deals

The best round-trip flight price to Casper from United States in the last 5 days is $279 (Denver Intl to Casper Natrona County).

Search Deals

The fastest flight to Casper from United States takes 1h 13m (Denver Intl to Casper Natrona County).

Search Deals

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

Why use momondo?

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.