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Flights from Grand Forks to San Antonio

Search cheap flights from Grand Forks to San Antonio in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$349, and round-trip tickets start at US$358.

      • GFK 05:00
        6h 46m
        1 stop
        SAT 11:46
        Grand Forks - San Antonio | Sat, Jun 20 | Delta Air Lines
        SAT 18:03
        5h 4m
        1 stop
        GFK 23:07
        San Antonio - Grand Forks | Fri, Jun 26 | Delta Air Lines
        US$358 US$1,186
        70% off
        70% off
        US$1,186 US$358
      • GFK 05:00
        6h 46m
        1 stop
        SAT 11:46
        Grand Forks - San Antonio | Thu, Jun 18 | Delta Air Lines
        SAT 06:05
        8h 19m
        1 stop
        GFK 14:24
        San Antonio - Grand Forks | Wed, Jun 24 | Delta Air Lines
        US$373 US$1,186
        69% off
        69% off
        US$1,186 US$373
      • GFK 05:15
        6h 31m
        1 stop
        SAT 11:46
        Grand Forks - San Antonio | Wed, Jul 1 | Delta Air Lines
        SAT 14:30
        19h 40m
        1 stop
        GFK 10:10
        San Antonio - Grand Forks | Mon, Jul 6 | Delta Air Lines
        US$579 US$1,186
        51% off
        51% off
        US$1,186 US$579
      • GFK 15:55
        5h 37m
        1 stop
        SAT 21:32
        Grand Forks - San Antonio | Tue, Jun 23 | Delta Air Lines
        SAT 06:05
        12h 4m
        1 stop
        GFK 18:09
        San Antonio - Grand Forks | Mon, Jun 29 | Delta Air Lines
        US$811
        32% off
        US$1,186 US$811
      • GFK 05:00
        6h 49m
        1 stop
        SAT 11:49
        Grand Forks - San Antonio | Wed, Jul 8 | Delta Air Lines
        SAT 14:26
        8h 39m
        1 stop
        GFK 23:05
        San Antonio - Grand Forks | Tue, Jul 14 | Delta Air Lines
        US$903
        24% off
        US$1,186 US$903
      • GFK 05:00
        6h 46m
        1 stop
        SAT 11:46
        Grand Forks - San Antonio | Sun, Jun 21 | Delta Air Lines
        SAT 06:05
        8h 19m
        1 stop
        GFK 14:24
        San Antonio - Grand Forks | Sat, Jun 27 | Delta Air Lines
        US$996
        16% off
        US$1,186 US$996
      • GFK 13:00
        17h 25m
        1 stop
        SAT 14:00
        Grand Forks - San Antonio | Thu, Jun 11 | Normal Airline
        SAT 15:00
        6h
        Nonstop
        GFK 16:00
        San Antonio - Grand Forks | Sat, Jun 13 | Normal Airline
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      • GFK 10:53
        32h 6m
        2 stops
        SAT 18:59
        Grand Forks - San Antonio | Wed, Jun 10 | Delta Air Lines
        US$349 US$416
        16% off
        16% off
        US$416 US$349
      • GFK 13:00
        17h 25m
        1 stop
        SAT 14:00
        Grand Forks - San Antonio | Thu, Jun 11 | Normal Airline
        Find more flights
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Displayed flight fares from Grand Forks to San Antonio are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Grand Forks to San Antonio Flight Details

The distance between Grand Forks and San Antonio is about 2,050.73 km. Based on Trip.com's latest data, travel demand is highest in November. The off-season for travel is December.

Cheapest one-way flight priceUS$349
Cheapest return ticket priceUS$358
Cheapest monthDecember
Peak season for travelNovember
Flight distance2,050.73 km
Flight statistics for the Grand Forks–San Antonio route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Grand Forks to San Antonio (GFK-SAT)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as US$349 on Cheapest nonstop routes (e.g. GFK to SAT on Wed, Jun 10), while Delta Air Lines offers Cheapest nonstop round-trips from US$358 departing on Sat, Jun 20 and returning on Fri, Jun 26.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Grand Forks to San Antonio is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Grand Forks to San Antonio, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jun 10, with one-way flights priced at just US$349.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Antonio travel is around November.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Grand Forks to San Antonio is December, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Grand Forks to San Antonio on June 20, 2026 with Delta Air Lines, with prices starting at US$358.
  • The time difference between San Antonio and Grand Forks is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.