Find cheap flights from Sioux City to Grand Forks

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Sioux City to Grand Forks?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When are flight tickets from Sioux City (SUX) to Grand Forks (GFK) the cheapest?

Airlines adjust prices for flights from Sioux City to Grand Forks based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Sioux City (SUX) to Grand Forks (GFK) cost?

According to Trip.com's data, the lowest price is around $1,602.
What is the transportation method from the main airport to downtown in Grand Forks?
- The distance from Grand Forks International Airport to downtown is about 10 km. It takes about 30 minutes by taxi.

How to find a cheap flight from Sioux City to Grand Forks

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Sioux City to Grand Forks. Book your flights at the right time and save more.

Being flexible with your dates to get the cheapest Sioux City to Grand Forks ticket.

Tap "Date" on flight search bar to scan through the calender for Sioux City to Grand Forks airfare over next 6 months in 2025.

Compare cheap Sioux City to Grand Forks flight deals from over hundreds of airlines.

Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Sioux City to Grand Forks.

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Don't miss cheap Sioux City to Grand Forks flight deals and promo codes.

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Book early or wait unitl the last minute.

It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.

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To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Sioux City to Grand Forks to get exclusive deals for you.