Cheap Flights from St. Louis (STL) to Utapao (UTP)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Utapao (UTP-Utapao Intl.)

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Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Utapao Intl. Airport (UTP) cost?
Secure a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Utapao Intl. Airport (UTP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Utapao Intl. Airport (UTP)?
is the most affordable month to fly from STL to UTP. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Utapao Intl. Airport (UTP)?
To find the cheapest airline that'll fly you from STL to UTP, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Utapao Intl. Airport (UTP)?
There aren't any daily nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Utapao Intl. Airport (UTP). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from STL to UTP?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Utapao Intl. Airport (UTP)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Utapao Intl. Airport (UTP) that leaves before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Utapao Intl. Airport (UTP) last-minute?
Booking your plane ticket from STL to UTP just before your journey is typically more expensive. However, if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a STL to UTP flight and hotel package?
Booking a STL to UTP flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Utapao Intl. Airport (UTP)?
In most cases, you're able to cancel or reschedule your STL to UTP flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like further information, go to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Utapao Intl.
Distance
8808 mi

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St. Louis to Utapao Flights

The cheapest times to fly from St. Louis to Utapao

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Utapao are during the month of . You can find some of the cheapest flights from St. Louis to Utapao with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Utapao

Sunday is one of the best days to book for cheap flights from St. Louis to Utapao: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Utapao

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Utapao in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Utapao flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Utapao airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Utapao Flights

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