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Cheap flights from San Antonio to the United States from $28

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to the United States departing on 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Frontier Logo
3:12 pm - 4:38 pmSAT-DEN
2h 26mnonstop
Frontier Logo
4:16 pm - 7:30 pmDEN-SAT
2h 14mnonstop
$87Frontier
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Sat, Nov 1 - Mon, Nov 3
Frontier Logo
8:25 pm - 9:48 pmSAT-DEN
2h 23mnonstop
Frontier Logo
4:16 pm - 7:30 pmDEN-SAT
2h 14mnonstop
$93Frontier
Find Deal
Mon, Nov 10 - Fri, Nov 14
Spirit Airlines Logo
8:10 pm - 8:14 amSAT-LAX
14h 04m1 stop
Spirit Airlines Logo
7:00 pm - 11:45 pmLAX-SAT
2h 45mnonstop
$101Spirit Airlines
Find Deal
Mon, Nov 3 - Sat, Nov 8
Spirit Airlines Logo
3:23 pm - 4:26 pmSAT-LAS
3h 03mnonstop
Spirit Airlines Logo
9:54 am - 2:28 pmLAS-SAT
2h 34mnonstop
$103Spirit Airlines
Find Deal
Sun, Nov 2 - Wed, Nov 5
Southwest Logo
6:30 pm - 7:50 pmSAT-DEN
2h 20mnonstop
Southwest Logo
6:45 pm - 9:55 pmDEN-SAT
2h 10mnonstop
$117Southwest
Find Deal
Sun, Jan 11 - Wed, Jan 14
American Airlines Logo
3:12 pm - 4:40 pmSAT-LAX
3h 28mnonstop
American Airlines Logo
6:00 pm - 10:55 pmLAX-SAT
2h 55mnonstop
$153American Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Southwest Logo
8:15 pm - 11:15 pmSAT-LAX
5h 00m1 stop
Southwest Logo
5:25 am - 1:50 pmLAX-SAT
6h 25m1 stop
$161Southwest
Find Deal
Mon, Nov 24 - Sat, Dec 6
American Airlines Logo
6:00 am - 11:31 amSAT-ATL
4h 31m1 stop
American Airlines Logo
3:20 pm - 10:30 pmATL-SAT
8h 10m1 stop
$201American Airlines
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Sat, Dec 6 - Sat, Dec 6
Delta Logo
6:25 am - 12:58 pmSAT-SEA
8h 33m1 stop
Delta Logo
2:10 pm - 11:46 pmSEA-SAT
7h 36m1 stop
$217Delta
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Fri, Oct 31 - Wed, Nov 5
Delta Logo
7:05 am - 12:56 pmSAT-SEA
7h 51m1 stop
Delta Logo
6:00 am - 5:18 pmSEA-SAT
9h 18m1 stop
$228Delta
Find Deal
Sun, Nov 16 - Wed, Nov 19

Southwest flights from San Antonio to United States

Our best Southwest deals on San Antonio to United States flight tickets
Southwest
Jan 11
SAT6:30 pmSan Antonio
2h 20m
DEN7:50 pmDenver Intl
Jan 14
DEN6:45 pmDenver Intl
2h 10m
SAT9:55 pmSan Antonio
$117
Find similar
Southwest
Nov 24
SAT8:15 pmSan Antonio
5h 00m
1 stop
LAX11:15 pmLos Angeles
Dec 6
LAX5:25 amLos Angeles
6h 25m
1 stop
SAT1:50 pmSan Antonio
$161
Find similar
Southwest
Nov 5
SAT6:25 pmSan Antonio
6h 30m
1 stop
SEA10:55 pmSeattle/Tacoma Intl
Nov 10
SEA5:15 amSeattle/Tacoma Intl
6h 20m
1 stop
SAT1:35 pmSan Antonio
$206
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Spirit Airlines flights from San Antonio to United States

Our best Spirit Airlines deals on San Antonio to United States flight tickets
Spirit Airlines
Nov 3
SAT8:10 pmSan Antonio
14h 04m
1 stop
LAX8:14 amLos Angeles
Nov 8
LAX7:00 pmLos Angeles
2h 45m
SAT11:45 pmSan Antonio
$101
Find similar
Spirit Airlines
Nov 2
SAT3:23 pmSan Antonio
3h 03m
LAS4:26 pmLas Vegas Harry Reid Intl
Nov 5
LAS9:54 amLas Vegas Harry Reid Intl
2h 34m
SAT2:28 pmSan Antonio
$103
Find similar
Spirit Airlines
Nov 15
SAT6:45 amSan Antonio
5h 37m
1 stop
LAS10:22 amLas Vegas Harry Reid Intl
Nov 20
LAS8:46 amLas Vegas Harry Reid Intl
2h 31m
SAT1:17 pmSan Antonio
$104
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momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to United States 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 October 16, 2025.
Use the filters below to find and compare flights from San Antonio to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Sat 11/1

3:12 pm-4:38 pm

Nonstop2h 26m

Denver Intl

Mon 11/3

4:16 pm-7:30 pm

Nonstop2h 14m

$87

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Mon 11/10

8:25 pm-9:48 pm

Nonstop2h 23m

Denver Intl

Fri 11/14

4:16 pm-7:30 pm

Nonstop2h 14m

$93

San AntonioLos Angeles

SAT - LAX

SATLAX

San Antonio

Mon 11/3

8:10 pm-8:14 am

1 stop14h 04m

Los Angeles

Sat 11/8

7:00 pm-11:45 pm

Nonstop2h 45m

$101

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sun 11/2

3:23 pm-4:26 pm

Nonstop3h 03m

Las Vegas Harry Reid Intl

Wed 11/5

9:54 am-2:28 pm

Nonstop2h 34m

$103

San AntonioDenver

SAT - DEN

SATDEN

San Antonio

Sun 1/11

6:30 pm-7:50 pm

Nonstop2h 20m

Denver Intl

Wed 1/14

6:45 pm-9:55 pm

Nonstop2h 10m

$117

San AntonioLos Angeles

SAT - LAX

SATLAX

San Antonio

Wed 11/12

3:12 pm-4:40 pm

Nonstop3h 28m

Los Angeles

Wed 11/19

6:00 pm-10:55 pm

Nonstop2h 55m

$153

San AntonioLos Angeles

SAT - LAX

SATLAX

San Antonio

Mon 11/24

8:15 pm-11:15 pm

1 stop5h 00m

Los Angeles

Sat 12/6

5:25 am-1:50 pm

1 stop6h 25m

$161

San AntonioAtlanta

SAT - ATL

SATATL

San Antonio

Sat 12/6

6:00 am-11:31 am

1 stop4h 31m

Atlanta Hartsfield-Jackson

Sat 12/6

3:20 pm-10:30 pm

1 stop8h 10m

$201

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 10/31

6:25 am-12:58 pm

1 stop8h 33m

Seattle/Tacoma Intl

Wed 11/5

2:10 pm-11:46 pm

1 stop7h 36m

$217

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sun 11/16

7:05 am-12:56 pm

1 stop7h 51m

Seattle/Tacoma Intl

Wed 11/19

6:00 am-5:18 pm

1 stop9h 18m

$228

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United States from

How to get the cheapest flight ticket from San Antonio to United States

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 month to fly to United States?

In general, August is the cheapest month to fly from San Antonio to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $299. If you aren’t able to travel during the month of August, then book flights to United States from San Antonio during September instead. Flights to United States in September, while not as cheap as those in August, still average around $301.

What is the cheapest day to depart on your flight to United States?

According to our data, Thursday is the cheapest day to fly to United States from San Antonio. The lowest ticket price found for a Thursday departure recently was $420. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $693. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

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

The cheapest time of day to fly to United States is in the evening when flights can be purchased for as low as $190. Try not to purchase tickets at noon because they tend to be around $777. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest San Antonio to United States flight route?

Fly from San Antonio to Las Vegas Harry Reid Intl for the best San Antonio - United States flight prices

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $375 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from San Antonio for as low as $301 on momondo.

What cabin class options are available on San Antonio to United States flights?

There are 4 cabin classes available to choose from on San Antonio to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Antonio to United States flights?

No. A direct flight is the cheapest option for a flight between San Antonio to United States.

Cheap San Antonio to United States flight deals and tips

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

Best Price Found

$94

Fastest flight time

2h 10m

Direct flights

Every day

Airports in United States

2 airports
The best one-way flight to United States from San Antonio in the past 72 hours is $94. The best round-trip flight deal from San Antonio to United States found on momondo in the last 72 hours is $152.
The fastest flight from San Antonio to United States takes 2h 10m
Direct flights go from San Antonio to United States every day.
There are 2 airports near United States: Atlanta Hartsfield-Jackson (ATL), Denver Intl (DEN)
Search flight deals

  • When did momondo last update prices for flights from San Antonio Airport to United States?

    Prices for flights from San Antonio Airport to United States are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Antonio Airport to United States?

  • How old do you have to be to fly from San Antonio Airport to United States?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Antonio Airport to United States.

  • What documentation or ID do you need to fly to United States?

    The travel and health documents required for your trip to United States 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 United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Antonio to United States?

Best airlines flying from San Antonio to United States

Compare and see reviews for airlines that fly from San Antonio to United States with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $56Free CancellationRating
5.8
3,137 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $74Free CancellationRating
6.3
8,099 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $107Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $117Free CancellationRating
7.9
7,982 reviews
Search Delta flights
United AirlinesPriceFrom $150Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,240 reviews
Search Southwest flights

Why use momondo?

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

Finding the right flight to United States from San Antonio is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United States quick and easy, saving you time and money.

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

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

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

momondo provides multiple filters to help you find the best flight to United States from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Antonio to United States right now. Can momondo alert me if prices change?

If you are simply researching potential flights to United States, momondo offers a useful price alert feature which will track prices for flights to United States from San Antonio and alert you when they change.

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Sat 11/15
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