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Cheap flights from Casper to San Antonio from $328

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Casper to San Antonio departing on 9/2. 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
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
1:26 pm - 8:45 pm
CPR
-
SAT
6h 19m
1 stop
United Airlines Logo
8:53 am - 2:36 pm
SAT
-
CPR
6h 43m
1 stop
$328United Airlines
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
1:26 pm - 10:38 pm
CPR
-
SAT
8h 12m
2 stops
United Airlines Logo
5:30 am - 8:50 am
SAT
-
CPR
4h 20m
1 stop
$334United Airlines
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
1:26 pm - 9:16 pm
CPR
-
SAT
6h 50m
2 stops
United Airlines Logo
5:30 am - 10:48 am
SAT
-
CPR
6h 18m
2 stops
$339United Airlines
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
3:11 pm - 8:45 pm
CPR
-
SAT
4h 34m
1 stop
United Airlines Logo
8:53 am - 12:45 pm
SAT
-
CPR
4h 52m
1 stop
$348United Airlines
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
1:26 pm - 9:16 pm
CPR
-
SAT
6h 50m
2 stops
United Airlines Logo
8:53 am - 12:45 pm
SAT
-
CPR
4h 52m
1 stop
$354United Airlines
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
1:26 pm - 9:16 pm
CPR
-
SAT
6h 50m
2 stops
United Airlines Logo
5:30 am - 10:48 am
SAT
-
CPR
6h 18m
2 stops
$359United Airlines
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
9:05 am - 4:56 pm
CPR
-
SAT
6h 51m
1 stop
United Airlines Logo
4:45 pm - 10:07 pm
SAT
-
CPR
6h 22m
1 stop
$378United Airlines
Tue, Apr 21 - Sat, Apr 25
United Airlines Logo
3:14 pm - 10:59 pm
CPR
-
SAT
6h 45m
2 stops
United Airlines Logo
8:45 am - 2:39 pm
SAT
-
CPR
6h 54m
1 stop
$384United Airlines
Tue, Apr 21 - Sat, Apr 25
United Airlines Logo
1:21 pm - 9:03 pm
CPR
-
SAT
6h 42m
2 stops
United Airlines Logo
4:17 pm - 10:07 pm
SAT
-
CPR
6h 50m
2 stops
$389United Airlines
Tue, Apr 21 - Sat, Apr 25
United Airlines Logo
3:15 pm - 8:54 pm
CPR
-
SAT
4h 39m
1 stop
United Airlines Logo
1:39 pm - 5:29 pm
SAT
-
CPR
4h 50m
1 stop
$391United 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
Sep 2
CPR1:26 pmCasper Natrona County
6h 19m
1 stop
SAT8:45 pmSan Antonio
Sep 9
SAT8:53 amSan Antonio
6h 43m
1 stop
CPR2:36 pmCasper Natrona County
$328
United Airlines
Sep 2
CPR1:26 pmCasper Natrona County
8h 12m
2 stops
SAT10:38 pmSan Antonio
Sep 9
SAT5:30 amSan Antonio
4h 20m
1 stop
CPR8:50 amCasper Natrona County
$334
United Airlines
Sep 2
CPR1:26 pmCasper Natrona County
6h 50m
2 stops
SAT9:16 pmSan Antonio
Sep 9
SAT5:30 amSan Antonio
6h 18m
2 stops
CPR10:48 amCasper Natrona County
$339

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 April 10, 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

Wed 9/2

1:26 pm-8:45 pm

1 stop6h 19m

San Antonio

Wed 9/9

8:53 am-2:36 pm

1 stop6h 43m

$328

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Wed 9/2

1:26 pm-10:38 pm

2 stops8h 12m

San Antonio

Wed 9/9

5:30 am-8:50 am

1 stop4h 20m

$334

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Wed 9/2

1:26 pm-9:16 pm

2 stops6h 50m

San Antonio

Wed 9/9

5:30 am-10:48 am

2 stops6h 18m

$339
Quickest round-trip

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Wed 9/2

3:11 pm-8:45 pm

1 stop4h 34m

San Antonio

Wed 9/9

8:53 am-12:45 pm

1 stop4h 52m

$348

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Wed 9/2

1:26 pm-9:16 pm

2 stops6h 50m

San Antonio

Wed 9/9

8:53 am-12:45 pm

1 stop4h 52m

$354

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Wed 9/2

1:26 pm-9:16 pm

2 stops6h 50m

San Antonio

Wed 9/9

5:30 am-10:48 am

2 stops6h 18m

$359

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Tue 4/21

9:05 am-4:56 pm

1 stop6h 51m

San Antonio

Sat 4/25

4:45 pm-10:07 pm

1 stop6h 22m

$378

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Tue 4/21

3:14 pm-10:59 pm

2 stops6h 45m

San Antonio

Sat 4/25

8:45 am-2:39 pm

1 stop6h 54m

$384

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Tue 4/21

1:21 pm-9:03 pm

2 stops6h 42m

San Antonio

Sat 4/25

4:17 pm-10:07 pm

2 stops6h 50m

$389

CasperSan Antonio

CPR - SAT

CPRSAT

Casper Natrona County

Thu 6/25

3:15 pm-8:54 pm

1 stop4h 39m

San Antonio

Tue 6/30

1:39 pm-5:29 pm

1 stop4h 50m

$391

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 28m

Direct flights

None
The fastest flight from Casper to San Antonio takes 4h 28m
There are no direct flights from Casper to San Antonio. There are no popular flight routes from Casper to San Antonio.
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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 28m 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
9,562 reviews
Search United Airlines flights

Frequently asked questions about flying from Casper to San Antonio

  • How do I get Price Alerts for flights from Casper to San Antonio?

    Search flight deals from Casper to San Antonio. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Casper to San Antonio with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near San Antonio?

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