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Cheap flights from Illinois to International Falls from $338

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to International Falls departing on 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to International Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:48 am - 2:25 pm
STL
-
INL
5h 37m
1 stop
Delta Logo
11:03 am - 3:13 pm
INL
-
STL
4h 10m
1 stop
$392Delta
Tue, Jul 21 - Tue, Jul 28
Delta Logo
6:21 am - 10:28 am
STL
-
INL
4h 07m
1 stop
Delta Logo
11:03 am - 10:15 pm
INL
-
STL
11h 12m
2 stops
$402Delta
Tue, Jul 21 - Tue, Jul 28
Delta Logo
6:00 am - 10:24 am
ORD
-
INL
4h 24m
1 stop
Delta Logo
3:50 pm - 9:47 pm
INL
-
ORD
5h 57m
1 stop
$412Delta
Thu, Aug 6 - Fri, Aug 14
Delta Logo
6:00 am - 10:24 am
ORD
-
INL
4h 24m
1 stop
Delta Logo
10:59 am - 8:30 pm
INL
-
ORD
9h 31m
2 stops
$488Delta
Thu, Aug 6 - Fri, Aug 14
Delta Logo
8:48 am - 2:25 pm
STL
-
INL
5h 37m
1 stop
Delta Logo
11:03 am - 3:13 pm
INL
-
STL
4h 10m
1 stop
$496Delta
Thu, Jul 23 - Tue, Jul 28
Delta Logo
8:48 am - 2:25 pm
STL
-
INL
5h 37m
1 stop
Delta Logo
11:03 am - 10:15 pm
INL
-
STL
11h 12m
2 stops
$506Delta
Thu, Jul 23 - Tue, Jul 28
Delta Logo
6:00 am - 10:24 am
ORD
-
INL
4h 24m
1 stop
Delta Logo
10:59 am - 5:33 pm
INL
-
ORD
6h 34m
1 stop
$600Delta
Tue, Sep 8 - Thu, Sep 10
Delta Logo
6:00 am - 10:24 am
ORD
-
INL
4h 24m
1 stop
Delta Logo
3:50 pm - 7:30 pm
INL
-
ORD
3h 40m
1 stop
$688Delta
Thu, Aug 6 - Fri, Aug 14
Delta Logo
6:21 am - 10:28 am
STL
-
INL
4h 07m
1 stop
Delta Logo
11:03 am - 3:13 pm
INL
-
STL
4h 10m
1 stop
$708Delta
Tue, Jul 21 - Sun, Jul 26
Delta Logo
8:36 am - 2:29 pm
ORD
-
INL
5h 53m
1 stop
Delta Logo
3:50 pm - 9:52 pm
INL
-
ORD
6h 02m
1 stop
$720Delta
Sun, Jul 5 - Thu, Jul 9

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Delta flights from Illinois to International Falls

Our best Delta deals on Illinois to International Falls flight tickets
Delta
Jul 21
STL8:48 amLambert-St Louis
5h 37m
1 stop
INL2:25 pmFalls Intl
Jul 28
INL11:03 amFalls Intl
4h 10m
1 stop
STL3:13 pmLambert-St Louis
$392
Delta
Jul 21
STL6:21 amLambert-St Louis
4h 07m
1 stop
INL10:28 amFalls Intl
Jul 28
INL11:03 amFalls Intl
11h 12m
2 stops
STL10:15 pmLambert-St Louis
$402
Delta
Aug 6
ORD6:00 amChicago O'Hare Intl
4h 24m
1 stop
INL10:24 amFalls Intl
Aug 14
INL3:50 pmFalls Intl
5h 57m
1 stop
ORD9:47 pmChicago O'Hare Intl
$412

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to International Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from Illinois to International Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Tue 7/21

8:48 am-2:25 pm

1 stop5h 37m

Falls Intl

Tue 7/28

11:03 am-3:13 pm

1 stop4h 10m

$392

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Tue 7/21

6:21 am-10:28 am

1 stop4h 07m

Falls Intl

Tue 7/28

11:03 am-10:15 pm

2 stops11h 12m

$402

ChicagoInternational Falls

ORD - INL

ORDINL

Chicago O'Hare Intl

Thu 8/6

6:00 am-10:24 am

1 stop4h 24m

Falls Intl

Fri 8/14

3:50 pm-9:47 pm

1 stop5h 57m

$412

ChicagoInternational Falls

ORD - INL

ORDINL

Chicago O'Hare Intl

Thu 8/6

6:00 am-10:24 am

1 stop4h 24m

Falls Intl

Fri 8/14

10:59 am-8:30 pm

2 stops9h 31m

$488

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Thu 7/23

8:48 am-2:25 pm

1 stop5h 37m

Falls Intl

Tue 7/28

11:03 am-3:13 pm

1 stop4h 10m

$496

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Thu 7/23

8:48 am-2:25 pm

1 stop5h 37m

Falls Intl

Tue 7/28

11:03 am-10:15 pm

2 stops11h 12m

$506

ChicagoInternational Falls

ORD - INL

ORDINL

Chicago O'Hare Intl

Tue 9/8

6:00 am-10:24 am

1 stop4h 24m

Falls Intl

Thu 9/10

10:59 am-5:33 pm

1 stop6h 34m

$600
Quickest round-trip

ChicagoInternational Falls

ORD - INL

ORDINL

Chicago O'Hare Intl

Thu 8/6

6:00 am-10:24 am

1 stop4h 24m

Falls Intl

Fri 8/14

3:50 pm-7:30 pm

1 stop3h 40m

$688

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Tue 7/21

6:21 am-10:28 am

1 stop4h 07m

Falls Intl

Sun 7/26

11:03 am-3:13 pm

1 stop4h 10m

$708

ChicagoInternational Falls

ORD - INL

ORDINL

Chicago O'Hare Intl

Sun 7/5

8:36 am-2:29 pm

1 stop5h 53m

Falls Intl

Thu 7/9

3:50 pm-9:52 pm

1 stop6h 02m

$720

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to International Falls from

How to get the cheapest flight ticket from Illinois to International Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Illinois to Falls Intl?

Delta is the most popular carrier operating from Illinois to Falls Intl

Cheap Illinois to International Falls flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to International Falls

Fastest flight time

4h 04m

Direct flights

None
The fastest flight from Illinois to International Falls takes 4h 04m
There are no direct flights from Illinois to International Falls. There are no popular flight routes from Illinois to International Falls.
Search flight deals

Frequently asked questions about flying from Illinois to International Falls

  • When did momondo last update prices for flights from Illinois to Falls Intl Airport?

    Prices for flights from Illinois to Falls Intl Airport were last updated today.

  • How old do you have to be to fly from Illinois to Falls Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Falls Intl Airport.

  • What documentation or ID do you need to fly to Falls Intl Airport?

    The travel and health documents required for your trip to Falls Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Falls Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to International Falls?

Finding the right flight to International Falls from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to International Falls quick and easy, saving you time and money.

Can I find flights from Illinois to International Falls with flexible booking policies on momondo?

Yes. All flights to International Falls from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to International Falls?

Once all potential Illinois to International Falls flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to International Falls right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to International Falls from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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