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Cheap flights from St. Louis to International Falls from $1,078

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to International Falls departing on 8/8. 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 St. Louis to International Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:20 am - 10:24 am
STL
-
INL
4h 04m
1 stop
Delta Logo
10:59 am - 2:47 pm
INL
-
STL
3h 48m
1 stop
$1,078Delta
Sat, Aug 8 - Sat, Aug 15
Delta Logo
6:21 am - 10:28 am
STL
-
INL
4h 07m
1 stop
Delta Logo
3:50 pm - 10:03 pm
INL
-
STL
6h 13m
1 stop
$1,080Delta
Sat, Jul 11 - Sat, Jul 18
Delta Logo
6:20 am - 10:24 am
STL
-
INL
4h 04m
1 stop
Delta Logo
10:59 am - 8:33 pm
INL
-
STL
9h 34m
2 stops
$1,088Delta
Sat, Aug 8 - Sat, Aug 15
Delta Logo
6:20 am - 10:24 am
STL
-
INL
4h 04m
1 stop
Delta Logo
10:59 am - 2:47 pm
INL
-
STL
3h 48m
1 stop
$1,098Delta
Sat, Aug 8 - Sat, Aug 15
Delta Logo
6:20 am - 10:24 am
STL
-
INL
4h 04m
1 stop
Delta Logo
10:59 am - 8:33 pm
INL
-
STL
9h 34m
2 stops
$1,108Delta
Sat, Aug 8 - Sat, Aug 15
Delta Logo
6:20 am - 10:24 am
STL
-
INL
4h 04m
1 stop
Delta Logo
10:59 am - 2:47 pm
INL
-
STL
3h 48m
1 stop
$1,224Delta
Sat, Aug 8 - Sat, Aug 15
Delta Logo
6:20 am - 10:24 am
STL
-
INL
4h 04m
1 stop
Delta Logo
10:59 am - 8:42 pm
INL
-
STL
9h 43m
2 stops
$1,234Delta
Sat, Aug 8 - Sat, Aug 15
Delta Logo
6:20 am - 10:24 am
STL
-
INL
4h 04m
1 stop
Delta Logo
3:50 pm - 11:58 pm
INL
-
STL
8h 08m
2 stops
$1,300Delta
Thu, Aug 6 - Sun, Aug 9
Delta Logo
8:48 am - 2:25 pm
STL
-
INL
5h 37m
1 stop
Delta Logo
11:03 am - 4:46 pm
INL
-
STL
5h 43m
1 stop
$1,304Delta
Fri, Jul 17 - Sat, Jul 25
Delta Logo
6:21 am - 10:28 am
STL
-
INL
4h 07m
1 stop
Delta Logo
11:03 am - 8:37 pm
INL
-
STL
9h 34m
2 stops
$1,412Delta
Sat, Jul 11 - Sat, Jul 18

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Delta flights from St. Louis to International Falls

Our best Delta deals on St. Louis to International Falls flight tickets
Delta
Jun 20
STL6:21 amLambert-St Louis
4h 05m
1 stop
INL10:26 amFalls Intl
Jun 22
INL11:01 amFalls Intl
4h 15m
1 stop
STL3:16 pmLambert-St Louis
$876
Delta
Jun 20
STL6:21 amLambert-St Louis
4h 05m
1 stop
INL10:26 amFalls Intl
Jun 22
INL3:50 pmFalls Intl
8h 06m
2 stops
STL11:56 pmLambert-St Louis
$886
Delta
Jun 20
STL6:30 amLambert-St Louis
11h 33m
2 stops
INL6:03 pmFalls Intl
Jun 22
INL3:50 pmFalls Intl
8h 06m
2 stops
STL11:56 pmLambert-St Louis
$971

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis 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 18, 2026.
Use the filters below to find and compare flights from St. Louis to International Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Sat 8/8

6:20 am-10:24 am

1 stop4h 04m

Falls Intl

Sat 8/15

10:59 am-2:47 pm

1 stop3h 48m

$1,078

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Sat 7/11

6:21 am-10:28 am

1 stop4h 07m

Falls Intl

Sat 7/18

3:50 pm-10:03 pm

1 stop6h 13m

$1,080

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Sat 8/8

6:20 am-10:24 am

1 stop4h 04m

Falls Intl

Sat 8/15

10:59 am-8:33 pm

2 stops9h 34m

$1,088

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Sat 8/8

6:20 am-10:24 am

1 stop4h 04m

Falls Intl

Sat 8/15

10:59 am-2:47 pm

1 stop3h 48m

$1,098

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Sat 8/8

6:20 am-10:24 am

1 stop4h 04m

Falls Intl

Sat 8/15

10:59 am-8:33 pm

2 stops9h 34m

$1,108

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Sat 8/8

6:20 am-10:24 am

1 stop4h 04m

Falls Intl

Sat 8/15

10:59 am-2:47 pm

1 stop3h 48m

$1,224

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Sat 8/8

6:20 am-10:24 am

1 stop4h 04m

Falls Intl

Sat 8/15

10:59 am-8:42 pm

2 stops9h 43m

$1,234

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Thu 8/6

6:20 am-10:24 am

1 stop4h 04m

Falls Intl

Sun 8/9

3:50 pm-11:58 pm

2 stops8h 08m

$1,300

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Fri 7/17

8:48 am-2:25 pm

1 stop5h 37m

Falls Intl

Sat 7/25

11:03 am-4:46 pm

1 stop5h 43m

$1,304

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Sat 7/11

6:21 am-10:28 am

1 stop4h 07m

Falls Intl

Sat 7/18

11:03 am-8:37 pm

2 stops9h 34m

$1,412

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from St. Louis to International Falls

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to International Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to International Falls (STL to INL) flight deals and tips

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

Fastest flight time

4h 04m

Direct flights

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

Frequently asked questions about flying from St. Louis to International Falls

  • How far is Lambert-St Louis to Falls Intl by plane?

    The straight-line distance from Lambert-St Louis to Falls Intl is 707.0 mi. By plane, this route typically takes 4h 04m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Falls Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Falls Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Lambert-St Louis Airport to Falls Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport 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.

Frequently asked questions about flying from St. Louis to International Falls

  • How do I get Price Alerts for flights from St. Louis to International Falls?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to St. Louis from International Falls. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from St. Louis to International Falls with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to International Falls?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to International Falls. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to International Falls with flexible booking policies on momondo?

All flight searches from St. Louis to International Falls on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to International Falls?

momondo helps you find the best flight between St. Louis and International Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of St. Louis to International Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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