$376 Find Cheap Flights from Illinois to Thailand - Compare and Save

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Thailand.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Illinois to Thailand is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Illinois to Thailand with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Illinois to Thailand up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

There are 30 airports in Thailand. The busiest airport is Bangkok Suvarnabhumi Airport (BKK), with 51% of all flights arriving there.

The cheapest month for flights from Illinois to Thailand is September, when tickets cost $452 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of round-trip tickets is $808 and $734 respectively.

To get a below average price on the flight from Illinois to Thailand, you should book around 4 weeks before departure, which saves you about 8% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

An average nonstop flight from Illinois to Thailand takes 28h 38m, covering a distance of 8613 miles. The shortest route is Chicago O'Hare Intl Airport (ORD) to Chiang Mai (CNX) with an average flight time of 20h 45m.

Based on KAYAK flight searches, the most popular destination is Bangkok (100% of total searches to Thailand).