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Cheap flights from Casper to San Antonio from $303

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Casper to San Antonio departing on 8/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Casper to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:15 pm - 11:55 pm
CPR
-
SAT
7h 40m
1 stop
United Airlines Logo
5:40 am - 8:51 am
SAT
-
CPR
4h 11m
1 stop
$343United Airlines
Thu, Jun 25 - Tue, Jun 30
United Airlines Logo
6:13 pm - 11:55 pm
CPR
-
SAT
4h 42m
1 stop
United Airlines Logo
5:40 am - 8:51 am
SAT
-
CPR
4h 11m
1 stop
$428United Airlines
Sun, Jul 5 - Sat, Jul 11
United Airlines Logo
11:25 am - 9:07 pm
CPR
-
SAT
8h 42m
1 stop
United Airlines Logo
8:55 am - 5:04 pm
SAT
-
CPR
9h 09m
1 stop
$468United Airlines
Tue, Dec 1 - Sat, Dec 5
United Airlines Logo
11:25 am - 9:07 pm
CPR
-
SAT
8h 42m
1 stop
United Airlines Logo
4:20 pm - 10:12 pm
SAT
-
CPR
6h 52m
2 stops
$474United Airlines
Tue, Dec 1 - Sat, Dec 5
United Airlines Logo
11:25 am - 10:48 pm
CPR
-
SAT
10h 23m
2 stops
United Airlines Logo
5:30 am - 6:37 pm
SAT
-
CPR
14h 07m
2 stops
$479United Airlines
Tue, Dec 1 - Sat, Dec 5
United Airlines Logo
11:25 am - 10:48 pm
CPR
-
SAT
10h 23m
2 stops
United Airlines Logo
1:35 pm - 6:37 pm
SAT
-
CPR
6h 02m
1 stop
$484United Airlines
Tue, Dec 1 - Sat, Dec 5
United Airlines Logo
11:25 am - 10:48 pm
CPR
-
SAT
10h 23m
2 stops
United Airlines Logo
5:30 am - 6:37 pm
SAT
-
CPR
14h 07m
2 stops
$489United Airlines
Tue, Dec 1 - Sat, Dec 5
United Airlines Logo
11:25 am - 9:07 pm
CPR
-
SAT
8h 42m
1 stop
United Airlines Logo
4:45 pm - 8:17 pm
SAT
-
CPR
4h 32m
1 stop
$544United Airlines
Tue, Dec 1 - Sat, Dec 5
United Airlines Logo
6:13 pm - 11:55 pm
CPR
-
SAT
4h 42m
1 stop
United Airlines Logo
5:30 am - 2:40 pm
SAT
-
CPR
10h 10m
2 stops
$549United Airlines
Sun, Jul 5 - Sat, Jul 11
United Airlines Logo
7:05 am - 10:42 pm
CPR
-
SAT
14h 37m
2 stops
United Airlines Logo
9:37 am - 9:59 pm
SAT
-
CPR
13h 22m
2 stops
$559United Airlines
Thu, Jun 25 - Tue, Jun 30

United Airlines flights from Casper to San Antonio

Our best United Airlines deals on Casper to San Antonio flight tickets
United Airlines
Jun 25
CPR3:15 pmCasper Natrona County
7h 40m
1 stop
SAT11:55 pmSan Antonio
Jun 30
SAT5:40 amSan Antonio
4h 11m
1 stop
CPR8:51 amCasper Natrona County
$343
United Airlines
Jul 5
CPR6:13 pmCasper Natrona County
4h 42m
1 stop
SAT11:55 pmSan Antonio
Jul 11
SAT5:40 amSan Antonio
4h 11m
1 stop
CPR8:51 amCasper Natrona County
$428
United Airlines
Dec 1
CPR11:25 amCasper Natrona County
8h 42m
1 stop
SAT9:07 pmSan Antonio
Dec 5
SAT8:55 amSan Antonio
9h 09m
1 stop
CPR5:04 pmCasper Natrona County
$468

momondo Fare Finder

 
Customize your flight search to find flights from Casper to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 8, 2026.
Use the filters below to find and compare flights from Casper to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Thu 6/25

3:15 pm-11:55 pm

1 stop7h 40m

San Antonio

Tue 6/30

5:40 am-8:51 am

1 stop4h 11m

$343
Quickest round-trip

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Sun 7/5

6:13 pm-11:55 pm

1 stop4h 42m

San Antonio

Sat 7/11

5:40 am-8:51 am

1 stop4h 11m

$428

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Tue 12/1

11:25 am-9:07 pm

1 stop8h 42m

San Antonio

Sat 12/5

8:55 am-5:04 pm

1 stop9h 09m

$468

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Tue 12/1

11:25 am-9:07 pm

1 stop8h 42m

San Antonio

Sat 12/5

4:20 pm-10:12 pm

2 stops6h 52m

$474

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Tue 12/1

11:25 am-10:48 pm

2 stops10h 23m

San Antonio

Sat 12/5

5:30 am-6:37 pm

2 stops14h 07m

$479

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Tue 12/1

11:25 am-10:48 pm

2 stops10h 23m

San Antonio

Sat 12/5

1:35 pm-6:37 pm

1 stop6h 02m

$484

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Tue 12/1

11:25 am-10:48 pm

2 stops10h 23m

San Antonio

Sat 12/5

5:30 am-6:37 pm

2 stops14h 07m

$489

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Tue 12/1

11:25 am-9:07 pm

1 stop8h 42m

San Antonio

Sat 12/5

4:45 pm-8:17 pm

1 stop4h 32m

$544

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Sun 7/5

6:13 pm-11:55 pm

1 stop4h 42m

San Antonio

Sat 7/11

5:30 am-2:40 pm

2 stops10h 10m

$549

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Thu 6/25

7:05 am-10:42 pm

2 stops14h 37m

San Antonio

Tue 6/30

9:37 am-9:59 pm

2 stops13h 22m

$559

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Casper to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Casper Natrona County to San Antonio?

United Airlines is the most popular carrier operating from Casper Natrona County to San Antonio

When to book flights from Casper to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Casper to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Casper to San Antonio (CPR to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Casper to San Antonio

Fastest flight time

4h 42m

Direct flights

None
The fastest flight from Casper to San Antonio takes 4h 42m
There are no direct flights from Casper to San Antonio. There are no popular flight routes from Casper to San Antonio.
Search flight deals

Frequently asked questions about flying from Casper to San Antonio

  • How far is Casper Natrona County to San Antonio by plane?

    The distance between Casper Natrona County and San Antonio is about 1023.5 mi. Typically, this will take 4h 42m by plane in normal conditions.

  • When did momondo last update prices for flights from Casper Natrona County Airport to San Antonio Airport?

    Prices for flights from Casper Natrona County Airport to San Antonio Airport were last updated today.

  • How many operators does momondo search for flights from Casper Natrona County Airport to San Antonio Airport?

  • How old do you have to be to fly from Casper Natrona County Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Casper Natrona County Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Casper to San Antonio?

Best airlines flying from Casper to San Antonio

Compare and see reviews for airlines that fly from Casper to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,781 reviews
Search United Airlines flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Pleasanton
Boerne
Schertz

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Casper to San Antonio. momondo saves you time and could save you money on your trip.

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

Yes. All flights to San Antonio from Casper on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Casper to San Antonio?

Once you have performed a search for Casper to San Antonio flights, momondo helps you find the right one 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 from Casper to San Antonio right now. Can momondo alert me if prices change?

Price alerts on flights to San Antonio from Casper are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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