Find flight deals from Grand Forks to San Antonio for the next 3 months. Book one way flights from $593 or round trip flights from $357.

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.

Flight Info | Grand Forks to San Antonio

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

Cheapest one-way flight price$593
Cheapest round-trip ticket price$357
Off-season for travelDecember
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 $593 on Cheapest nonstop routes (e.g. GFK to SAT on Fri, Jun 12), while Delta Air Lines offers Cheapest nonstop round-trips from $357 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 Fri, Jun 12, with one-way flights priced at just $593.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · 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 $357.
  • 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.

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

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.