
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $222 (Booking.com) |
One-way from | $106 (Booking.com) |
Popular in | March |
Cheapest in | August |
Average price | $287 |
Good round-trip deal | $292 or less |
Good one-way deal | $253 or less |
Fly from
Fly to
Route
Depart
Return
ChicagoFargo
ORD - FAR
ORDFAR
Chicago O'Hare Intl
Fri 6/12
8:21 pm-11:57 pm
1 stop3h 36m
Fargo Hector Field
Sun 6/14
5:00 am-8:35 am
1 stop3h 35m
ChicagoFargo
MDW - FAR
MDWFAR
Chicago Midway
Fri 6/5
7:13 pm-11:59 pm
1 stop4h 46m
Fargo Hector Field
Sun 6/7
5:00 am-8:37 am
1 stop3h 37m
ChicagoFargo
ORD - FAR
ORDFAR
Chicago O'Hare Intl
Thu 6/25
2:07 pm-11:57 pm
2 stops9h 50m
Fargo Hector Field
Sun 6/28
5:00 am-11:31 am
1 stop6h 31m
St. LouisFargo
STL - FAR
STLFAR
Lambert-St Louis
Fri 5/29
5:36 pm-11:59 pm
1 stop6h 23m
Fargo Hector Field
Tue 6/2
5:17 pm-11:21 pm
1 stop6h 04m
St. LouisFargo
STL - FAR
STLFAR
Lambert-St Louis
Sat 6/13
5:36 pm-11:00 pm
1 stop5h 24m
Fargo Hector Field
Sun 6/28
5:00 am-10:28 am
1 stop5h 28m
ChicagoWilliston
ORD - XWA
ORDXWA
Chicago O'Hare Intl
Fri 7/24
8:27 am-2:57 pm
1 stop6h 30m
Williston Basin Intl
Mon 8/3
5:53 am-1:13 pm
2 stops7h 20m
St. LouisBismarck
STL - BIS
STLBIS
Lambert-St Louis
Sat 8/8
6:20 am-12:37 pm
1 stop6h 17m
Bismarck
Thu 8/20
5:00 am-10:23 am
1 stop5h 23m
St. LouisBismarck
STL - BIS
STLBIS
Lambert-St Louis
Fri 8/7
6:20 am-12:47 pm
1 stop6h 27m
Bismarck
Sun 8/23
5:00 am-10:23 am
1 stop5h 23m
St. LouisBismarck
STL - BIS
STLBIS
Lambert-St Louis
Wed 8/19
5:42 pm-11:12 pm
1 stop5h 30m
Bismarck
Sun 8/23
5:00 am-10:23 am
1 stop5h 23m
St. LouisBismarck
STL - BIS
STLBIS
Lambert-St Louis
Sun 8/9
6:20 am-10:30 am
1 stop4h 10m
Bismarck
Fri 8/21
11:10 am-4:52 pm
1 stop5h 42m
Currently, July is the cheapest month in which you can book a flight from Illinois to North Dakota (average of $145). Flying from Illinois to North Dakota in February is currently the most expensive (average of $229). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from Illinois to North Dakota at noon. If you’re flexible enough to do this you can expect to save up to 5% on your trip compared to booking a flight in the afternoon.
Travelers seeking maximum savings on their Illinois to North Dakota flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from USIL to USND are scheduled on a Monday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).
Boarding
Food
Overall
Comfort
Crew
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
Boarding
Food
Overall
Comfort
Crew
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
Boarding
Food
Overall
Comfort
Crew
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
Boarding
Food
Overall
Comfort
Crew
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$364 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$215 | Average$371 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$229 | Average$354 | FlexibilityNo cancel fee | On-time71% |