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Cheap flights from San Antonio to the United States from $27

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 9/21. 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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0 bags

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Cheap round-trip flights

Spirit Airlines Logo
6:16 pm - 7:27 pmSAT-LAX
3h 11mnonstop
Spirit Airlines Logo
9:14 am - 2:00 pmLAX-SAT
2h 46mnonstop
$93Spirit Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
Spirit Airlines Logo
8:27 pm - 9:37 pmSAT-LAX
3h 10mnonstop
Spirit Airlines Logo
9:14 am - 2:00 pmLAX-SAT
2h 46mnonstop
$94Spirit Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 4
Southwest Logo
2:25 pm - 5:45 pmSAT-ATL
2h 20mnonstop
Southwest Logo
2:50 pm - 4:15 pmATL-SAT
2h 25mnonstop
$177Southwest
Find Deal
Mon, Sep 22 - Fri, Sep 26
American Airlines Logo
5:00 am - 10:15 amSAT-ATL
4h 15m1 stop
American Airlines Logo
5:18 pm - 9:24 pmATL-SAT
5h 06m1 stop
$187American Airlines
Find Deal
Mon, Sep 22 - Fri, Sep 26
Delta Logo
3:00 pm - 11:54 pmSAT-SEA
10h 54m1 stop
Delta Logo
12:45 pm - 11:52 pmSEA-SAT
9h 07m1 stop
$195Delta
Find Deal
Sat, Sep 27 - Wed, Oct 1
Delta Logo
6:05 pm - 11:59 pmSAT-SEA
7h 54m1 stop
Delta Logo
11:11 pm - 10:31 amSEA-SAT
9h 20m1 stop
$197Delta
Find Deal
Sun, Sep 14 - Mon, Sep 22
Southwest Logo
8:05 am - 2:50 pmSAT-SEA
8h 45m1 stop
Southwest Logo
5:00 am - 1:50 pmSEA-SAT
6h 50m2 stops
$200Southwest
Find Deal
Mon, Sep 22 - Fri, Sep 26
American Airlines Logo
5:00 am - 10:15 amSAT-ATL
4h 15m1 stop
American Airlines Logo
5:00 pm - 10:36 pmATL-SAT
6h 36m1 stop
$207American Airlines
Find Deal
Sun, Sep 14 - Mon, Sep 15
United Airlines Logo
7:05 am - 2:11 pmSAT-LGA
6h 06m1 stop
United Airlines Logo
6:00 am - 11:06 amLGA-SAT
6h 06m1 stop
$231United Airlines
Find Deal
Mon, Nov 24 - Thu, Nov 27
United Airlines Logo
5:56 pm - 11:15 pmSAT-SEA
7h 19m1 stop
United Airlines Logo
11:10 pm - 8:38 amSEA-SAT
7h 28m1 stop
$232United Airlines
Find Deal
Tue, Oct 7 - Thu, Oct 16

Spirit Airlines flights from San Antonio to United States

Our best Spirit Airlines deals on San Antonio to United States flight tickets
Spirit Airlines
Oct 7
SAT6:16 pmSan Antonio
3h 11m
LAX7:27 pmLos Angeles
Oct 14
LAX9:14 amLos Angeles
2h 46m
SAT2:00 pmSan Antonio
$93
Find similar
Spirit Airlines
Nov 1
SAT8:27 pmSan Antonio
3h 10m
LAX9:37 pmLos Angeles
Nov 4
LAX9:14 amLos Angeles
2h 46m
SAT2:00 pmSan Antonio
$94
Find similar
Spirit Airlines
Dec 13
SAT3:02 pmSan Antonio
3h 21m
LAX4:23 pmLos Angeles
Dec 16
LAX9:12 amLos Angeles
2h 55m
SAT2:07 pmSan Antonio
$95
Find similar

Frontier flights from San Antonio to United States

Our best Frontier deals on San Antonio to United States flight tickets
Frontier
Sep 11
SAT8:16 pmSan Antonio
6h 11m
1 stop
LAX12:27 amLos Angeles
Sep 20
LAX6:45 amLos Angeles
5h 42m
1 stop
SAT2:27 pmSan Antonio
$104
Find similar
Frontier
Sep 5
SAT8:20 pmSan Antonio
25h 53m
1 stop
LAX8:13 pmLos Angeles
Sep 26
LAX9:03 pmLos Angeles
15h 24m
1 stop
SAT2:27 pmSan Antonio
$106
Find similar
Frontier
Sep 13
SAT4:45 pmSan Antonio
5h 07m
1 stop
LAX7:52 pmLos Angeles
Sep 20
LAX6:45 amLos Angeles
5h 42m
1 stop
SAT2:27 pmSan Antonio
$107
Find similar

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 August 25, 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 AntonioLos Angeles

SAT - LAX

SATLAX

San Antonio

Tue 10/7

6:16 pm-7:27 pm

Nonstop3h 11m

Los Angeles

Tue 10/14

9:14 am-2:00 pm

Nonstop2h 46m

$93

San AntonioLos Angeles

SAT - LAX

SATLAX

San Antonio

Sat 11/1

8:27 pm-9:37 pm

Nonstop3h 10m

Los Angeles

Tue 11/4

9:14 am-2:00 pm

Nonstop2h 46m

$94

San AntonioAtlanta

SAT - ATL

SATATL

San Antonio

Mon 9/22

2:25 pm-5:45 pm

Nonstop2h 20m

Atlanta Hartsfield-Jackson

Fri 9/26

2:50 pm-4:15 pm

Nonstop2h 25m

$177

San AntonioAtlanta

SAT - ATL

SATATL

San Antonio

Mon 9/22

5:00 am-10:15 am

1 stop4h 15m

Atlanta Hartsfield-Jackson

Fri 9/26

5:18 pm-9:24 pm

1 stop5h 06m

$187

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sat 9/27

3:00 pm-11:54 pm

1 stop10h 54m

Seattle/Tacoma Intl

Wed 10/1

12:45 pm-11:52 pm

1 stop9h 07m

$195

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sun 9/14

6:05 pm-11:59 pm

1 stop7h 54m

Seattle/Tacoma Intl

Mon 9/22

11:11 pm-10:31 am

1 stop9h 20m

$197

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Mon 9/22

8:05 am-2:50 pm

1 stop8h 45m

Seattle/Tacoma Intl

Fri 9/26

5:00 am-1:50 pm

2 stops6h 50m

$200

San AntonioAtlanta

SAT - ATL

SATATL

San Antonio

Sun 9/14

5:00 am-10:15 am

1 stop4h 15m

Atlanta Hartsfield-Jackson

Mon 9/15

5:00 pm-10:36 pm

1 stop6h 36m

$207

San AntonioNew York

SAT - LGA

SATLGA

San Antonio

Mon 11/24

7:05 am-2:11 pm

1 stop6h 06m

New York LaGuardia

Thu 11/27

6:00 am-11:06 am

1 stop6h 06m

$231

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 10/7

5:56 pm-11:15 pm

1 stop7h 19m

Seattle/Tacoma Intl

Thu 10/16

11:10 pm-8:38 am

1 stop7h 28m

$232

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, October 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 $246. If you aren’t able to travel during the month of October, 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 October, still average around $249.

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 $400. 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 $667. 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 $169. Try not to purchase tickets at noon because they tend to be around $624. 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 Los Angeles 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 $362 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 $279 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

$99

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 $99. The best round-trip flight deal from San Antonio to United States found on momondo in the last 72 hours is $118.
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 $48Free CancellationRating
5.8
3,201 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $73Free CancellationRating
6.3
8,028 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $107Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $110Free CancellationRating
7.9
7,981 reviews
Search Delta flights
JetBluePriceFrom $123Free CancellationRating
7.2
2,919 reviews
Search JetBlue flights
United AirlinesPriceFrom $148Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,243 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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