Cheap flights from St. Louis to Thailand from $533
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Thailand departing on 7/28. 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 St. Louis to Thailand
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 Thailand?
The month of October is, on average, the cheapest month to fly to Thailand from St. Louis, with most prices found around $1,157. If you are unable to visit Thailand during the month of October, then departing from St. Louis during the month January is also very affordable. Most momondo users find prices during this month for around $1,166.
What is the cheapest day to depart on your flight to Thailand?
The cheapest day to depart on your flight to Thailand is on a Monday when prices can be found for as low as $1,334. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Thailand is Thursday, with ticket prices averaging around $1,546.
What is the cheapest time of day to depart on your flight to Thailand?
Flying to Thailand from St. Louis in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,339 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Thailand is at noon when prices are around $1,754.
How far in advance should I book a flight to Thailand?
You are more likely to see cheaper flights to Thailand from St. Louis when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $1,368 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from St. Louis for as low as $765 on momondo.
What is the cheapest airline that flies from Lambert-St Louis to Thailand?
Japan Airlines, ANA, and Delta are the most popular carriers operating from Lambert-St Louis to Thailand
What airlines fly to Thailand?
United Airlines, Cathay Pacific and Delta are the top three most popular airlines that fly to Thailand from St. Louis according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 11 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.
Cheap St. Louis to Thailand flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Thailand
When did momondo last update prices for flights from Lambert-St Louis Airport to Thailand?
Prices for flights from Lambert-St Louis Airport to Thailand are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Thailand?
The number of operators available for flights from Lambert-St Louis Airport to Thailand is 11 as of June 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Thailand?
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 Lambert-St Louis Airport to Thailand.
What documentation or ID do you need to fly to Thailand?
The travel and health documents you'll need for your trip to Thailand may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Thailand. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from St. Louis to Thailand
Compare and see reviews for airlines that fly from St. Louis to Thailand with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $897 | Free Cancellation | Rating 7.4 3,584 reviews | |||
| PriceFrom $1,053 | Free Cancellation | Rating 8.3 882 reviews | |||
| PriceFrom $1,080 | Free Cancellation | Rating 8.3 1,490 reviews | |||
| PriceFrom $1,102 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $1,114 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,116 | Free Cancellation | Rating 7.3 3,848 reviews | |||
| PriceFrom $1,144 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $1,176 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $1,228 | Free Cancellation | Rating 7.5 892 reviews | |||
| PriceFrom $1,259 | Free Cancellation | Rating 8.4 1,088 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Thailand?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Thailand. momondo saves you time and could save you money on your trip.
Can I find flights from St. Louis to Thailand with flexible booking policies on momondo?
All flight searches from St. Louis to Thailand on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from St. Louis to Thailand?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Thailand.
I’m not ready to book a flight from St. Louis to Thailand right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Thailand from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.