What is the cheapest airline that flies from Reno to Lambert-St Louis?

Delta, Frontier, and United Airlines are the most popular carriers operating from Reno to Lambert-St Louis

What airlines fly to St. Louis?

Southwest, United Airlines and American Airlines are the top three most popular airlines that fly to St. Louis from Reno according to our data. Southwest is the first choice among our users, with 36% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Reno Airport to Lambert-St Louis Airport refresh daily.

How many operators does momondo search for flights from Reno Airport to Lambert-St Louis Airport?

There are 4 operators available for flights from Reno Airport to Lambert-St Louis Airport as of December 2025.

How old do you have to be to fly from Reno Airport to Lambert-St Louis 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 Reno Airport to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$151 Cheap Flights from Reno to St. Louis in 2025/26

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Find the cheapest flights from Reno to St. Louis

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:29 pm - 9:21 pm

RNO

STL

22h 52m1 stop

1:07 pm - 7:29 pm

STL

RNO

8h 22m1 stop

$182Frontier

Thu, Jan 8 - Mon, Jan 12

8:41 pm - 12:12 pm

RNO

STL

13h 31m1 stop

7:43 pm - 7:46 pm

STL

RNO

26h 03m2 stops

$229Multiple Airlines

Thu, Jan 8 - Mon, Jan 12

5:30 am - 1:48 pm

RNO

STL

6h 18m1 stop

6:40 am - 12:08 pm

STL

RNO

7h 28m1 stop

$331Delta

Tue, Jan 27 - Wed, Jan 28

6:45 am - 9:38 pm

RNO

STL

12h 53m2 stops

6:40 am - 12:08 pm

STL

RNO

7h 28m1 stop

$336Delta

Tue, Jan 27 - Wed, Jan 28

1:15 pm - 11:25 pm

RNO

STL

8h 10m2 stops

11:23 am - 10:17 pm

STL

RNO

12h 54m2 stops

$341Delta

Tue, Jan 27 - Wed, Jan 28

11:59 pm - 8:52 am

RNO

STL

6h 53m1 stop

2:26 pm - 6:49 pm

STL

RNO

6h 23m1 stop

$356American Airlines

Tue, Feb 17 - Sun, Feb 22

10:39 am - 10:00 pm

RNO

STL

9h 21m2 stops

1:15 pm - 9:38 pm

STL

RNO

10h 23m2 stops

$364United Airlines

Thu, Jan 8 - Mon, Jan 12

11:59 pm - 8:52 am

RNO

STL

6h 53m1 stop

2:26 pm - 6:49 pm

STL

RNO

6h 23m1 stop

$376American Airlines

Mon, Feb 16 - Sun, Feb 22

9:38 am - 10:46 pm

RNO

STL

11h 08m1 stop

2:50 pm - 9:44 pm

STL

RNO

8h 54m1 stop

$380Alaska Airlines

Fri, Jan 23 - Sun, Jan 25

6:00 am - 5:45 pm

RNO

STL

9h 45m2 stops

7:55 pm - 11:50 pm

STL

RNO

5h 55m1 stop

$381Southwest

Tue, Feb 17 - Sun, Feb 22

Frontier flights from Reno to St. Louis

Our best Frontier deals on Reno to St. Louis flight tickets

Frontier

Jan 8

RNO8:29 pmReno

22h 52m

1 stop

STL9:21 pmLambert-St Louis

Jan 12

STL1:07 pmLambert-St Louis

8h 22m

1 stop

RNO7:29 pmReno

$182

Find similar

Frontier

Dec 27

RNO1:34 pmReno

29h 51m

1 stop

STL9:25 pmLambert-St Louis

Jan 2

STL10:10 pmLambert-St Louis

16h 39m

1 stop

RNO12:49 pmReno

$543

Find similar

Frontier

Dec 26

RNO8:52 amReno

23h 10m

2 stops

STL10:02 amLambert-St Louis

Jan 1

STL5:19 pmLambert-St Louis

21h 17m

1 stop

RNO12:36 pmReno

$599

Find similar

United Airlines flights from Reno to St. Louis

Our best United Airlines deals on Reno to St. Louis flight tickets

United Airlines

Dec 24

RNO1:44 pmReno

6h 38m

1 stop

STL10:22 pmLambert-St Louis

Jan 1

STL5:02 pmLambert-St Louis

7h 27m

1 stop

RNO10:29 pmReno

$301

Find similar

United Airlines

Jan 8

RNO10:39 amReno

9h 21m

2 stops

STL10:00 pmLambert-St Louis

Jan 12

STL1:15 pmLambert-St Louis

10h 23m

2 stops

RNO9:38 pmReno

$364

Find similar

United Airlines

Dec 24

RNO1:44 pmReno

6h 38m

1 stop

STL10:22 pmLambert-St Louis

Jan 1

STL9:00 amLambert-St Louis

11h 03m

2 stops

RNO6:03 pmReno

$409

Find similar

Fly from

Fly to

Route

Depart

Return

Price

RenoSt. Louis

RNO - STL

RNOSTL

Reno

Thu 1/8

8:29 pm-9:21 pm

1 stop22h 52m

Lambert-St Louis

Mon 1/12

1:07 pm-7:29 pm

1 stop8h 22m

$182

RenoSt. Louis

RNO - STL

RNOSTL

Reno

Thu 1/8

8:41 pm-12:12 pm

1 stop13h 31m

Lambert-St Louis

Mon 1/12

7:43 pm-7:46 pm

2 stops26h 03m

$229

RenoSt. Louis

RNO - STL

RNOSTL

Reno

Tue 1/27

5:30 am-1:48 pm

1 stop6h 18m

Lambert-St Louis

Wed 1/28

6:40 am-12:08 pm

1 stop7h 28m

$331

RenoSt. Louis

RNO - STL

RNOSTL

Reno

Tue 1/27

6:45 am-9:38 pm

2 stops12h 53m

Lambert-St Louis

Wed 1/28

6:40 am-12:08 pm

1 stop7h 28m

$336

RenoSt. Louis

RNO - STL

RNOSTL

Reno

Tue 1/27

1:15 pm-11:25 pm

2 stops8h 10m

Lambert-St Louis

Wed 1/28

11:23 am-10:17 pm

2 stops12h 54m

$341

RenoSt. Louis

RNO - STL

RNOSTL

Reno

Tue 2/17

11:59 pm-8:52 am

1 stop6h 53m

Lambert-St Louis

Sun 2/22

2:26 pm-6:49 pm

1 stop6h 23m

$356

RenoSt. Louis

RNO - STL

RNOSTL

Reno

Thu 1/8

10:39 am-10:00 pm

2 stops9h 21m

Lambert-St Louis

Mon 1/12

1:15 pm-9:38 pm

2 stops10h 23m

$364

RenoSt. Louis

RNO - STL

RNOSTL

Reno

Mon 2/16

11:59 pm-8:52 am

1 stop6h 53m

Lambert-St Louis

Sun 2/22

2:26 pm-6:49 pm

1 stop6h 23m

$376

RenoSt. Louis

RNO - STL

RNOSTL

Reno

Fri 1/23

9:38 am-10:46 pm

1 stop11h 08m

Lambert-St Louis

Sun 1/25

2:50 pm-9:44 pm

1 stop8h 54m

$380

RenoSt. Louis

RNO - STL

RNOSTL

Reno

Tue 2/17

6:00 am-5:45 pm

2 stops9h 45m

Lambert-St Louis

Sun 2/22

7:55 pm-11:50 pm

1 stop5h 55m

$381

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Reno to St. Louis

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

Prices

Airlines

What is the cheapest month to fly to St. Louis?

In general, February is the cheapest month to fly from Reno to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $358. The month of October is another great option to travel to St. Louis, with average flight prices from Reno averaging around $368.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $357. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $573. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Reno in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $407 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $463 per ticket.

Can stopping save me money on Reno to St. Louis flights?

You could potentially save up to 30% on your flight if you consider stops on a Reno to St. Louis flight.

How have Reno to St. Louis flight prices changed over time?

As of December 2025, prices for Reno to St. Louis flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from Reno to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Reno to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Reno to St. Louis (RNO to STL) flight deals and tips

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

Fastest flight time	6h 00m
Direct flights	None

The fastest flight from Reno to St. Louis takes 6h 00m

There are no direct flights from Reno to St. Louis. There are no popular flight routes from Reno to St. Louis.

Search flight deals

How far is Reno to Lambert-St Louis by plane?
There are 1581.4 mi between Reno and Lambert-St Louis. By plane, this route typically takes 6h 00m.
When did momondo last update prices for flights from Reno Airport to Lambert-St Louis Airport?
Prices for flights from Reno Airport to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Reno Airport to Lambert-St Louis Airport?
There are 4 operators available for flights from Reno Airport to Lambert-St Louis Airport as of December 2025.
How old do you have to be to fly from Reno Airport to Lambert-St Louis 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 Reno Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Reno to St. Louis?
Based on momondo bookings for flights between Reno and St. Louis, the leading airline is Southwest, making up 36% of the total bookings. Other popular airlines include United Airlines with 27%, American Airlines with 21%, and Delta with 16%.

Best airlines flying from Reno to St. Louis

Compare and see reviews for airlines that fly from Reno to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $280	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Southwest	PriceFrom $326	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights
United Airlines	PriceFrom $338	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights
Delta	PriceFrom $340	Free Cancellation	Rating 7.9 8,005 reviews	Search Delta flights

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O'Fallon

Florissant

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St. Peters

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Edwardsville

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Why use momondo?

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

It is quick and easy to find Reno to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

Yes. All flights to St. Louis from Reno on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to St. Louis from Reno. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Reno to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.