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 7/30. 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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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, April 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 $316. The month of January is another great option to travel to St. Louis, with average flight prices from Tucson averaging around $332.
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 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $404 when searching 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 $323 on momondo.
What is the cheapest airline that flies from Tucson to Lambert-St Louis?
Delta, Frontier, and Southwest are the most popular carriers operating from Tucson to Lambert-St Louis
What airlines fly to St. Louis?
American Airlines, United Airlines and Southwest 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 71% 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 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
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 40m.
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 July 2025, there are 4 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 (71% of total bookings). The next most popular airlines are United Airlines (13%), Southwest (11%), and Delta (5%).
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 $266 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $275 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $289 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $308 | Free Cancellation | Rating 8.0 4,272 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.