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Cheap flights from Tucson to St. Louis from $134

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tucson to St. Louis departing on 5/17. 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
0 bags

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Find the cheapest flights from Tucson to St. Louis

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Tucson to St. Louis.
United Airlines Logo
12:30 pm - 10:09 pmTUS-STL
7h 39m1 stop
United Airlines Logo
6:00 am - 10:29 amSTL-TUS
6h 29m1 stop
$267United Airlines
Find Deal
Wed, Apr 30 - Wed, May 14
American Airlines Logo
5:25 am - 1:07 pmTUS-STL
5h 42m1 stop
American Airlines Logo
7:30 pm - 11:23 pmSTL-TUS
5h 53m1 stop
$319American Airlines
Find Deal
Thu, May 8 - Mon, May 12
Delta Logo
1:00 pm - 11:42 pmTUS-STL
8h 42m1 stop
Delta Logo
5:27 pm - 9:39 pmSTL-TUS
6h 12m1 stop
$327Delta
Find Deal
Fri, Jul 4 - Sun, Jul 6
American Airlines Logo
9:51 am - 6:33 pmTUS-STL
6h 42m2 stops
American Airlines Logo
7:42 am - 11:14 amSTL-TUS
5h 32m1 stop
$332American Airlines
Find Deal
Tue, Jul 15 - Mon, Jul 21
Delta Logo
5:14 pm - 12:42 amTUS-STL
5h 28m1 stop
Delta Logo
6:00 am - 12:50 pmSTL-TUS
8h 50m1 stop
$339Delta
Find Deal
Thu, May 1 - Sun, May 4
Frontier Logo
12:52 pm - 1:40 pmTUS-STL
22h 48m1 stop
Frontier Logo
2:25 pm - 11:57 amSTL-TUS
23h 32m1 stop
$340Frontier
Find Deal
Thu, May 22 - Mon, May 26
United Airlines Logo
7:15 am - 9:50 pmTUS-STL
12h 35m2 stops
United Airlines Logo
6:00 am - 10:29 amSTL-TUS
6h 29m1 stop
$352United Airlines
Find Deal
Wed, Apr 30 - Wed, May 14
Delta Logo
12:30 pm - 11:36 pmTUS-STL
9h 06m1 stop
Delta Logo
3:40 pm - 9:23 pmSTL-TUS
7h 43m1 stop
$353Delta
Find Deal
Fri, Apr 25 - Fri, May 9
Southwest Logo
5:50 am - 5:50 pmTUS-STL
10h 00m2 stops
Southwest Logo
12:30 pm - 9:10 pmSTL-TUS
10h 40m2 stops
$407Southwest
Find Deal
Wed, Apr 30 - Wed, May 14
Southwest Logo
5:50 am - 6:40 pmTUS-STL
10h 50m2 stops
Southwest Logo
5:05 am - 10:35 amSTL-TUS
7h 30m2 stops
$423Southwest
Find Deal
Tue, Jun 24 - Mon, Jun 30

United Airlines flights from Tucson to St. Louis

Our best United Airlines deals on Tucson to St. Louis flight tickets
United Airlines
Apr 30
TUS12:30 pmTucson
7h 39m
1 stop
STL10:09 pmLambert-St Louis
May 14
STL6:00 amLambert-St Louis
6h 29m
1 stop
TUS10:29 amTucson
United Airlines
Apr 30
TUS7:15 amTucson
12h 35m
2 stops
STL9:50 pmLambert-St Louis
May 14
STL6:00 amLambert-St Louis
6h 29m
1 stop
TUS10:29 amTucson
United Airlines
Apr 25
TUS12:30 pmTucson
6h 26m
1 stop
STL8:56 pmLambert-St Louis
May 9
STL1:10 pmLambert-St Louis
9h 38m
2 stops
TUS8:48 pmTucson

American Airlines flights from Tucson to St. Louis

Our best American Airlines deals on Tucson to St. Louis flight tickets
American Airlines
May 8
TUS5:25 amTucson
5h 42m
1 stop
STL1:07 pmLambert-St Louis
May 12
STL7:30 pmLambert-St Louis
5h 53m
1 stop
TUS11:23 pmTucson
American Airlines
Jul 15
TUS9:51 amTucson
6h 42m
2 stops
STL6:33 pmLambert-St Louis
Jul 21
STL7:42 amLambert-St Louis
5h 32m
1 stop
TUS11:14 amTucson
American Airlines
May 23
TUS5:15 pmTucson
4h 43m
1 stop
STL11:58 pmLambert-St Louis
May 26
STL6:00 amLambert-St Louis
7h 46m
1 stop
TUS11:46 amTucson

See travel insights to St. Louis from

How to get the cheapest flight ticket from Tucson 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

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

In general, January is the cheapest month to fly from Tucson to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $332. The month of November is another great option to travel to St. Louis, with average flight prices from Tucson averaging around $344.

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 $377. 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 $615. 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 Tucson at noon is the least expensive time of day to depart. momondo users have found prices as low as $388 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $431 per ticket.

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Tucson when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $418 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Tucson for as low as $317 on momondo.

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

As of April 2025, prices for Tucson to St. Louis flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Tucson to St. Louis

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

Cheap Tucson to St. Louis (TUS to STL) flight deals and tips

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

Best Price Found

$134

Fastest flight time

4h 43m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Tucson in the past 72 hours is $134. The best round-trip flight deal from Tucson to St. Louis found on momondo in the last 72 hours is $267.
The fastest flight from Tucson to St. Louis takes 4h 43m
There are no direct flights from Tucson to St. Louis. Popular non-direct route for this connection is Tucson Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    The distance between Tucson and Lambert-St Louis is about 1245.9 mi. A reasonable flight in good conditions will take 4h 43m.

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

    Prices for flights from Tucson Airport to Lambert-St Louis Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Tucson 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 Tucson to St. Louis?


Best airlines flying from Tucson to St. Louis

Compare and see reviews for airlines that fly from Tucson to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $289Free CancellationRating
8.0
7,901 reviews
Search Delta flights
American AirlinesPriceFrom $296Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $308Free CancellationRating
8.0
4,276 reviews
Search Southwest flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
8,618 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Florissant
Fairview Heights
Maryland Heights
Hermann
Collinsville
Fenton
Farmington
O'Fallon
St. Peters
Wentzville
Alton
Glencoe
Eureka
Festus
Edwardsville
Clayton
Grafton
Litchfield

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Tucson to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Tucson to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Tucson to St. Louis 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 Tucson to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Tucson to St. Louis 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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