Cheap flights from Tucson to St. Louis from $129
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 11/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
TucsonSt. Louis
TUS Tucson - STL Lambert-St Louis
TUSSTL
Tucson
Thu 11/19
3:41 pm-12:01 am
1 stop7h 20m
Lambert-St Louis
Mon 11/23
7:58 am-3:29 pm
1 stop8h 31m
TucsonSt. Louis
TUS Tucson - STL Lambert-St Louis
TUSSTL
Tucson
Thu 11/19
1:13 pm-9:59 pm
1 stop7h 46m
Lambert-St Louis
Mon 11/23
5:29 pm-12:11 am
1 stop7h 42m
TucsonSt. Louis
TUS Tucson - STL Lambert-St Louis
TUSSTL
Tucson
Tue 11/17
3:10 pm-9:10 pm
1 stop5h 00m
Lambert-St Louis
Tue 12/1
5:05 am-10:20 am
1 stop6h 15m
TucsonSt. Louis
TUS Tucson - STL Lambert-St Louis
TUSSTL
Tucson
Tue 11/17
6:05 am-3:20 pm
2 stops8h 15m
Lambert-St Louis
Tue 12/1
5:05 am-10:20 am
1 stop6h 15m
TucsonSt. Louis
TUS Tucson - STL Lambert-St Louis
TUSSTL
Tucson
Thu 11/19
6:00 am-1:23 pm
1 stop6h 23m
Lambert-St Louis
Sun 11/22
5:30 pm-11:06 pm
1 stop6h 36m
TucsonSt. Louis
TUS Tucson - STL Lambert-St Louis
TUSSTL
Tucson
Thu 11/5
3:33 pm-11:55 pm
1 stop7h 22m
Lambert-St Louis
Thu 11/12
5:00 am-9:56 am
1 stop5h 56m
TucsonSt. Louis
TUS Tucson - STL Lambert-St Louis
TUSSTL
Tucson
Thu 11/19
6:00 am-1:23 pm
1 stop6h 23m
Lambert-St Louis
Mon 11/23
2:20 pm-10:36 pm
1 stop9h 16m
TucsonSt. Louis
TUS Tucson - STL Lambert-St Louis
TUSSTL
Tucson
Sun 11/22
7:30 am-2:13 pm
1 stop5h 43m
Lambert-St Louis
Fri 11/27
6:15 am-11:26 am
1 stop6h 11m
TucsonSt. Louis
TUS Tucson - STL Lambert-St Louis
TUSSTL
Tucson
Tue 2/2
6:30 am-2:03 pm
1 stop6h 33m
Lambert-St Louis
Wed 2/3
3:07 pm-10:15 pm
1 stop8h 08m
TucsonSt. Louis
TUS Tucson - STL Lambert-St Louis
TUSSTL
Tucson
Tue 11/17
6:05 am-3:20 pm
2 stops8h 15m
Lambert-St Louis
Tue 12/1
12:40 pm-9:55 pm
2 stops10h 15m
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 typical price of a round-trip flight between Tucson and St. Louis?
Prices are currently low for flights on this route.
Typical prices usually range from $416 to $588.The lowest price recently found on this route was $257.
What is the cheapest month to fly to St. Louis?
In general, February 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 $287. The month of January is another great option to travel to St. Louis, with average flight prices from Tucson averaging around $366.
How have Tucson to St. Louis flight prices changed over time?
As of October 2026, prices for Tucson to St. Louis flights are approximately 38% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Tucson to Lambert-St Louis?
Southwest, American Airlines, and Delta are the most popular carriers operating from Tucson to Lambert-St Louis
What airlines fly to St. Louis?
American Airlines, Southwest and United Airlines are the top three most popular airlines that fly to St. Louis from Tucson according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
When to book flights from Tucson to St. Louis
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
Frequently asked questions about flying from Tucson to St. Louis
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 5h 20m.
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?
As of October 2026, there are 3 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Tucson to St. Louis is American Airlines (49% of total bookings). The next most popular airlines are Southwest (38%) and United Airlines (13%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $286 | Free Cancellation | Rating 7.4 10,348 reviews | |||
| PriceFrom $287 | Free Cancellation | Rating 7.0 12,149 reviews | |||
| PriceFrom $306 | Free Cancellation | Rating 7.9 4,221 reviews |
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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.