$615 Find Cheap Flights from Thailand to Chicago - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Chicago departing on 10/2. 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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Cheap Flights from Thailand to Chicago

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Thailand to Chicago that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Thailand to Chicago

Thu, Dec 10 - Wed, Dec 30
Oman Air Logo
7:10 pm - 3:05 pm
BKK
-
ORD
56h 55m
2 stops
Oman Air Logo
6:50 pm - 6:45 am
ORD
-
BKK
46h 55m
2 stops
$929Oman Air
Thu, Dec 10 - Thu, Dec 31
Oman Air Logo
7:10 pm - 3:05 pm
BKK
-
ORD
56h 55m
2 stops
Oman Air Logo
10:35 am - 6:45 am
ORD
-
BKK
31h 10m
2 stops
$930Oman Air
Fri, Nov 27 - Thu, Dec 31
Oman Air Logo
9:00 am - 6:20 am
BKK
-
ORD
34h 20m
2 stops
Oman Air Logo
10:35 am - 7:55 pm
ORD
-
BKK
44h 20m
2 stops
$960Oman Air
Tue, Sep 1 - Tue, Sep 8
ANA Logo
7:00 am - 2:55 pm
BKK
-
ORD
19h 55m
1 stop
ANA Logo
11:50 am - 10:15 pm
ORD
-
BKK
22h 25m
1 stop
$975ANA
Mon, Aug 31 - Mon, Sep 7
Multiple Airlines Logo
9:05 pm - 4:10 pm
BKK
-
ORD
31h 05m
2 stops
Multiple Airlines Logo
9:10 pm - 6:10 pm
ORD
-
BKK
33h 00m
1 stop
$999Multiple Airlines
Thu, Dec 10 - Thu, Dec 31
Korean Air Logo
9:40 am - 8:30 am
BKK
-
ORD
35h 50m
1 stop
Korean Air Logo
11:15 am - 1:25 pm
ORD
-
BKK
37h 10m
1 stop
$1,000Korean Air
Tue, Oct 20 - Tue, Nov 3
Korean Air Logo
9:40 pm - 9:30 am
BKK
-
ORD
23h 50m
1 stop
Korean Air Logo
11:15 am - 12:45 am
ORD
-
BKK
24h 30m
1 stop
$1,012Korean Air
Thu, Sep 3 - Fri, Sep 25
Delta Logo
2:35 am - 9:33 pm
BKK
-
ORD
30h 58m
2 stops
Delta Logo
7:05 am - 1:05 am
ORD
-
BKK
30h 00m
2 stops
$1,013Delta
Tue, Oct 20 - Tue, Nov 3
Multiple Airlines Logo
5:30 pm - 5:50 am
BKK
-
MDW
24h 20m
2 stops
Multiple Airlines Logo
4:00 pm - 9:50 am
MDW
-
BKK
28h 50m
2 stops
$1,105Multiple Airlines
Tue, Oct 6 - Tue, Nov 3
EVA Air Logo
11:35 am - 8:45 pm
CNX
-
ORD
21h 10m
1 stop
EVA Air Logo
11:30 pm - 10:35 am
ORD
-
CNX
22h 05m
1 stop
$1,170EVA Air
Booking Insights

KAYAK's insights & trends for flights to Chicago

Get data-powered insights and trends for flights to Chicago to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly to Chicago?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights to Chicago, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to Chicago is January, where tickets cost $1,033 on average for return flights. On the other hand, the most expensive months are March and April, where the average cost of tickets from Thailand is $1,544 and $1,503 respectively. For one-way flights, the best month to travel is November with an average price of $621.

How far in advance should I book a flight to Chicago?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Chicago, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price, you should book around 2 weeks before departure, which saves you about 50% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Which is the cheapest airport to fly into in Chicago?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Chicago is Chicago Greater Rockford Airport (RFD), with an average flight price of $162.

Find deals

Good to know

Low season

February

Cheapest flight

$615
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Chiang Mai to Chicago

FAQs - booking Chicago flights

  • Which Chicago airport is closest to central Chicago?

    There are 3 airports in Chicago. The closest airport to Chicago’s city center is Chicago Midway Airport (9 miles). Chicago O'Hare Airport and Chicago Greater Rockford are respectively 16 miles and 79 miles from the center of Chicago.

  • How does KAYAK find such low prices on flights to Chicago?

    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 to Chicago.

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

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

  • What is the Hacker Fare option on flights to Chicago?

    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 to Chicago 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 to Chicago?

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

  • How many direct flights to Chicago are there each week?

    Each week there are around 30,546 direct flights from within Thailand to Chicago. The most common day for departures is Sunday, with 15% of flights taking off on this day.

Top tips for finding cheap flights to Chicago

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Chicago flight deals.

Everything you need to know for your flight to Chicago

Cabin class types available on flights to Chicago

Cabin classes available on flights to Chicago. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Chicago
Business Class flights to Chicago
Premium Economy Class flights to Chicago
Economy Class flights to Chicago