First Class Flights to Thailand in 2026

Generally, premium economy class flights to Thailand start at $1,427, depending on departure dates and origin. The cheapest premium economy class ticket for a flight to Thailand found most recently is $935, which departed from United States on Jan 17.

Looking to upgrade from Economy? The most popular airline with flights to Thailand, United Airlines, has the following Premium Cabin options: premium economy. Departing from another origin or choosing a different airline may open up more travel alternatives, if you are still undecided.

While the experience can vary from airline to airline, First Class flights are one of the most luxurious flying experiences available. Some airlines can offer premium lounge access, while others may have exclusive in-flight perks aside from the extra legroom. With momondo, travelers can search and compare cheap First Class flight deals so you can fly comfortably without breaking the bank.

Finding the right First Class flight to Thailand is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding First Class flights to Thailand quick and easy, saving you time and money.

First Class flights to Thailand 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.

Once you have performed a search for First Class flight tickets to Thailand, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

Price alerts on First Class flights to Thailand are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

Prices for flights from United States to Thailand are refreshed on a daily basis.

As of January 2026, there are 34 operators available to choose from for flights from United States to Thailand.

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Thailand.

The required travel and health documents for your Thailand trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Thailand. We recommend that you seek guidance from your airline or a reliable third party such as IATA.