Cheap flights from Illinois to Fargo from $146

The cheapest month to fly to Fargo from Illinois is in November. Flight prices, which tend to average around $312, are often lower during this time because this is during the off-season. If you are unable to visit Fargo during the month of November, then departing from Illinois during the month April is also very affordable. Most momondo users find prices during this month for around $322.

The cheapest day to depart on your flight to Fargo is on a Friday when prices can be found for as low as $331. 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 $734.

The cheapest time of day to fly to Fargo is at noon when flights can be purchased for as low as $354. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $402 on average. Flights to Fargo from Illinois in the morning 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 4 cabin classes available to choose from on Illinois to Fargo 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 40% on your flight if you consider stops on a Illinois to Fargo flight.

The number of flights available between Illinois and Fargo is 19 per day as of October 2026. The most frequent departure time is 10:00PM, with 42% of daily flights leaving in the evening.

As of October 2026, there are 139 flights per week flying from Illinois to Fargo. The most common day of the week flights depart is Wed, with 15% of flights taking off on this day.