฿20,261 Find Cheap Flights from Southeast Asia to Illinois

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Southeast Asia to Illinois departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Good to know

Low seasonJanuary
Cheapest flight฿20,261
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly (18% more expensive on average)
Flight from Chiang Mai to Chicago O'Hare Airport

FAQs for booking flights from Southeast Asia to Illinois

  • How does KAYAK find such low prices on flights from Southeast Asia to Illinois?

    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 Southeast Asia to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Southeast Asia to Illinois?

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

  • What is the Hacker Fare option on flights from Southeast Asia to Illinois?

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

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Southeast Asia to Illinois?

    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 Southeast Asia to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many airports are there in Illinois?

    There are 12 airports in Illinois. The busiest airport is Chicago O'Hare Airport (ORD), with 91% of all flights arriving there.

  • What is the cheapest month to fly from Southeast Asia to Illinois?

    The cheapest month for flights from Southeast Asia to Illinois is October, when tickets cost ฿26,450 (return) on average. On the other hand, the most expensive months are August and July, when the average cost of round-trip tickets is ฿35,441 and ฿35,310 respectively.

  • How far in advance should I book a flight from Southeast Asia to Illinois?

    To get a below-average price on a flight from Southeast Asia to Illinois, you should book around 8 weeks before departure, which saves you about 52% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

  • How long is the flight to Illinois?

    An average direct flight from Southeast Asia to Illinois takes 30h 52m, covering a distance of 22278 km. The shortest route is Bangkok Suvarnabhumi Airport (BKK) to Chicago O'Hare Intl Airport (ORD) with an average flight time of 19h 40m.

  • What are the most popular destinations in Illinois?

    Based on KAYAK flight searches, the most popular destination is Chicago (95% of total searches to Illinois). The next most popular destinations are Peoria (3%) and St. Louis (2%).

Reviews of the top airline flying from Southeast Asia to Illinois

 
Need help choosing which airline to fly with from Southeast Asia to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.5
EVA AirOverall score based on 1465 reviews
8.7Crew
8.3Comfort
8.1Food
8.0Entertainment
8.4Boarding
Airline reviews

Food tasted like the meat had freezer burn. Another thing all of our 4 check baggage was left somewhere and my oral medication for my diabetes was left in one of the lost luggage..most of the flight attendants did not know how to communicate in English.. the trip was a total nightmare

2.0 MediocreJoselito, May 2026
IAH - TPE
Read more EVA Air reviews

Food tasted like the meat had freezer burn. Another thing all of our 4 check baggage was left somewhere and my oral medication for my diabetes was left in one of the lost luggage..most of the flight attendants did not know how to communicate in English.. the trip was a total nightmare

Other than spotty internet, great servic, comfortable and smooth flight!

Crew was good. Sometimes food was eh. The spaghetti is gross for me. First time i got food, they didn’t provide utensils so i ate with my hands. I was hungry. They gave it to me 20 mins later when a crew member came by. I would fly with them again. Nobody is perfect

Eva air was fine - Trip.com via KAYAK sold my family access to a “VIP” lounge fo a layover in Taipei… i’m please look at my pictures. It was a scam, Trip.com knows it and they are perpetrating a fraud through your web site.

My flight was amazing smooth and the attendants were so friendly and nice

Crew are excellent. Food was good generally. Seats are small and there isn’t much leg room. Overhead bins are very small.

What could have been better, was we were delayed from takeoff for two hours. Initially we were informed that we were delayed for refueling. Then we taxied out on the tarmac, then just waited there for a long time, with no explanation of the delay. Were we just waiting on takeoff clearance or was there some other reason for the delay? The pilot, nor none of the crew informed us passengers. That was not good customer service. That needs to be improved, whenever a delay, inform the passengers for the reason.

More seat space More bathrooms Charging outlets Plane was old

This flight was long and I am so thankful I had a seat in the back of the plane. As I usually must get up and stretch every hour . The crew were probably the most friendly I have flown with. Thanks and I will book again with Eva air. Food was ok too.

It was a pleasure to fly with EVA airlines from Taipei to San Francisco.

Everything you need to know for your flight to Illinois

Cabin class types available on flights to Southeast Asia

Cabin classes available on flights to Southeast Asia. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class Flights to Illinoisfrom ฿23,909
Business Class Flights to Illinoisfrom ฿116,973
Premium Economy Class Flights to Illinoisfrom ฿32,020
Economy class Flights to Illinoisfrom ฿4,593