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.

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.

$602 Cheap Flights from St. Louis to International Falls in 2026

1 adult

0 bags

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Find the cheapest flights from St. Louis to International Falls

Round-trip

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 am - 5:59 pm

STL

INL

11h 14m

2 stops

10:59 am - 2:31 pm

INL

STL

3h 32m

1 stop

$811Delta

Sat, Jun 20 - Thu, Jun 25

6:45 am - 5:59 pm

STL

INL

11h 14m

2 stops

3:50 pm - 11:38 pm

INL

STL

7h 48m

2 stops

$816Delta

Sat, Jun 20 - Thu, Jun 25

12:10 pm - 5:59 pm

STL

INL

5h 49m

1 stop

10:59 am - 2:31 pm

INL

STL

3h 32m

1 stop

$857Delta

Sat, Jun 20 - Thu, Jun 25

Delta flights from St. Louis to International Falls

Our best Delta deals on St. Louis to International Falls flight tickets

Delta

Jun 20

STL6:45 amLambert-St Louis

11h 14m

2 stops

INL5:59 pmFalls Intl

Jun 25

INL10:59 amFalls Intl

3h 32m

1 stop

STL2:31 pmLambert-St Louis

$811

Delta

Jun 20

STL6:45 amLambert-St Louis

11h 14m

2 stops

INL5:59 pmFalls Intl

Jun 25

INL3:50 pmFalls Intl

7h 48m

2 stops

STL11:38 pmLambert-St Louis

$816

Delta

Jun 20

STL12:10 pmLambert-St Louis

5h 49m

1 stop

INL5:59 pmFalls Intl

Jun 25

INL10:59 amFalls Intl

3h 32m

1 stop

STL2:31 pmLambert-St Louis

$857

momondo Fare Finder

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

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Sat 6/20

6:45 am-5:59 pm

2 stops11h 14m

Falls Intl

Thu 6/25

10:59 am-2:31 pm

1 stop3h 32m

$811

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Sat 6/20

6:45 am-5:59 pm

2 stops11h 14m

Falls Intl

Thu 6/25

3:50 pm-11:38 pm

2 stops7h 48m

$816

St. LouisInternational Falls

STL - INL

STLINL

Lambert-St Louis

Sat 6/20

12:10 pm-5:59 pm

1 stop5h 49m

Falls Intl

Thu 6/25

10:59 am-2:31 pm

1 stop3h 32m

$857

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 11m
Direct flights	None

The fastest flight from St. Louis to International Falls takes 4h 11m

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

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 11m.
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.

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.