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Find cheap Delta flights to San Antonio

CMH — SAT
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find Delta flight deals to San Antonio

Cheapest Delta flights from USA to San Antonio
Explore the most affordable Delta flight options available from USA to San Antonio. Find the lowest fares with prices last updated on July 27, 2026.

This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:30 pm
IAD
-
SAT
1 stop7h 16m
Delta
Mon 8/313:00 pm
SAT
-
IAD
1 stop7h 26m
Delta
Deal found 7/27$314
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:30 am
ORD
-
SAT
1 stop5h 40m
Delta
Mon 8/175:45 pm
SAT
-
ORD
1 stop6h 12m
Delta
Deal found 7/23$317
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:29 pm
DCA
-
SAT
1 stop6h 05m
Delta
Thu 8/205:20 am
SAT
-
DCA
1 stop5h 07m
Delta
Deal found 7/27$324

Flights to San Antonio with Delta at a glance

Find detailed information about Delta flights from USA to San Antonio. Explore the options provided by Delta to plan your journey from USA to San Antonio. Data last updated July 27, 2026.

Popular in

June

Cheapest in

August

Average price

$393

Round-trip from

$277

One-way from

$139

Good round-trip deal

$423 or less

Good one-way deal

$198 or less
Highest demand for flights to San Antonio with Delta; 6% potential price increase.
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Best time to find cheap flights to San Antonio with Delta; 1% potential price drop.
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Average price for flights to San Antonio with Delta (round-trip).
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Delta
  • Delta
  • 12/2-12/5
  • 2 total stops
  • 16h 54m total
  • USA to San Antonio
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Delta
  • Delta
  • 1/23
  • 1 total stop
  • 6h 17m total
  • USA to San Antonio
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Price to beat on a round-trip flight from the United States to San Antonio with Delta.
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Price to beat on a one-way flight from the United States to San Antonio with Delta.
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Cheapflights Insights

Find cheap Delta flights to San Antonio

How long is the flight to San Antonio with Delta?

On average, Delta flights from the United States to San Antonio take 3 hours 11 minutes. Flights to San Antonio from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

Delta weekly flight availability to San Antonio

The most flights to San Antonio operated by Delta are scheduled on a Sunday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

When is the best time to book a flight to San Antonio with Delta?

The best time to book a flight to San Antonio with Delta is 76 days before departure. On average, fares are higher if you book 3 days before departure.

When is the cheapest time to fly to San Antonio with Delta?

Users looking for the cheapest Delta fares to San Antonio should consider flying on Monday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday at noon, when prices are usually at their highest.

FAQs about flights to San Antonio with Delta

  • Which airport do Delta flights arrive at when travelling to San Antonio?

    Delta flights on this route tend to land at San Antonio Airport.

  • Is Delta the cheapest airline for a flight to San Antonio?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to San Antonio tends to be with Breeze Airways.

  • Are there alternative airlines other than Delta that fly to San Antonio?

    American Airlines, United Airlines and Southwest all fly to San Antonio and offer an alternative to Delta.

  • How much is a flight to San Antonio with Delta?

    The average price for a return flight with Delta is $397; with a one-way flight around $285.

See more FAQs

Reviews of Delta

See what Cheapflights users have to say about their Delta experience.
Delta
7.8
Good
8,483 reviews
Overview

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

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