Cheap flights from Illinois to Fargo from $80

The cheapest month to fly to Fargo from Illinois is in September. Flight prices, which tend to average around $234, are often lower during this time because this is during the off-season. If you are unable to visit Fargo during the month of September, then departing from Illinois during the month August is also very affordable. Most momondo users find prices during this month for around $268.

The cheapest day to depart on your flight to Fargo is on a Wednesday when prices can be found for as low as $281. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Fargo on Sunday is $630.

The cheapest time of day to fly to Fargo is at noon when flights can be purchased for as low as $318. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $334 on average. Flights to Fargo from Illinois in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Chicago O'Hare Intl to Fargo Hector Field for the best Illinois - Fargo Hector Field flight prices

There are 3 cabin classes available to choose from on Illinois to Fargo Hector Field flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 19% on your flight if you consider stops on a Illinois to Fargo flight.

Frontier, United Airlines, and Delta are the most popular carriers operating from Illinois to Fargo Hector Field

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Fargo from Illinois according to our data. American Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Fargo. Keep in mind that there are 3 different airlines that fly to Fargo on a routine basis, so you have a few additional options to choose from.

The number of flights available between Illinois and Fargo is 17 per day as of February 2026. The most frequent departure time is 7:00PM, with 39% of daily flights leaving at noon.

As of February 2026, there are 123 flights per week flying from Illinois to Fargo. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.