฿4,046+ Cheap flights from Chicago
This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/7. 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.
What to know about flights from Chicago
Discover essential information about flights departing from Chicago, including flight schedules, destinations, airlines operating at the Chicago airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 14 July 2025.
Good round-trip deal | ฿6,881 or less |
|---|---|
Good one-way deal | ฿2,636 or less |
Find flights from Chicago
Cheapest flights from ChicagoExplore the most affordable flight options available from Chicago. Find the lowest fares based on data from user searches, with prices last updated on 14 July 2025.
Explore the most affordable flight options available from Chicago. Find the lowest fares based on data from user searches, with prices last updated on 14 July 2025.
Find flights from Chicago within your budget
Find flights departing from Chicago that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 14 July 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches
Fly to
Route
Depart
Return
Price
ChicagoChiang Rai
ORD - CEI
ORDCEI
Chicago O'Hare Intl
Wed 27/8
17:45-18:20
2 stops36h 35m
Chiang Rai
Wed 3/9
10:10-08:40
2 stops34h 30m
ChicagoPhuket City
ORD - HKT
ORDHKT
Chicago O'Hare Intl
Wed 3/9
12:00-19:05
1 stop43h 05m
Phuket City
Thu 11/9
20:25-07:25
1 stop23h 00m
ChicagoPhuket City
ORD - HKT
ORDHKT
Chicago O'Hare Intl
Tue 26/8
16:00-10:50
1 stop30h 50m
Phuket City
Tue 2/9
11:50-14:25
1 stop38h 35m
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Wed 27/8
17:45-11:15
2 stops29h 30m
Chiang Mai
Wed 3/9
15:30-08:40
2 stops29h 10m
ChicagoPhuket City
ORD - HKT
ORDHKT
Chicago O'Hare Intl
Wed 27/8
17:45-09:35
2 stops27h 50m
Phuket City
Wed 3/9
16:55-08:40
2 stops27h 45m
ChicagoBangkok
ORD - BKK
ORDBKK
Chicago O'Hare Intl
Tue 6/1
16:25-16:20
1 stop34h 55m
Bangkok Suvarnabhumi
Tue 20/1
22:50-14:12
2 stops28h 22m
ChicagoBangkok
ORD - BKK
ORDBKK
Chicago O'Hare Intl
Sat 30/8
16:00-23:50
1 stop19h 50m
Bangkok Suvarnabhumi
Mon 8/9
19:00-14:25
1 stop31h 25m
ChicagoBangkok
ORD - BKK
ORDBKK
Chicago O'Hare Intl
Sun 17/8
12:50-04:35
1 stop27h 45m
Bangkok Suvarnabhumi
Sun 8/2
09:25-07:20
1 stop34h 55m
ChicagoBangkok
ORD - BKK
ORDBKK
Chicago O'Hare Intl
Mon 18/8
12:15-07:40
1 stop31h 25m
Bangkok Suvarnabhumi
Fri 29/8
22:25-10:15
2 stops47h 50m
ChicagoBangkok
ORD - BKK
ORDBKK
Chicago O'Hare Intl
Tue 19/8
12:30-01:05
1 stop24h 35m
Bangkok Suvarnabhumi
Tue 26/8
21:40-09:40
1 stop24h 00m
Best time to book a flight from Chicago
Have a flexible travel schedule? Discover the best time to fly from Chicago with our price prediction graph.
Travel insights for flights from Chicago
Get recent, data-driven insights about flights from Chicago including ideal travel times, pricing trends, and more.
When is the best time to book a flight from Chicago?
Use this chart to determine the optimal time to book a return flight from Chicago to Suvarnabhumi. Price data was last updated on 11 July 2025.
Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Chicago?
Currently, September is the cheapest month in which you can book a flight from Chicago (average of ฿22,074). Flying from Chicago in June will prove the most costly (average of ฿31,395). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
When is the cheapest time to fly from Chicago?
Use this chart to determine the cheapest time to fly return from Chicago to Suvarnabhumi. Price data was last updated on 22 September 2024.
Those who are seeking the cheapest fare on flights departing from Chicago would be wise to consider leaving during Thursday at midday when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Tuesday at midday when fares are usually the most expensive.
Which airlines fly from Chicago?
Only one airline operates round-trip flights from Chicago: ANA. This airline flies to the following popular destinations: Bangkok.
What are popular destinations to fly to from Chicago?
If you’re flying from Chicago, these routes are more frequently taken by airlines Detroit (1,312 flights per day), New York (1,167 flights per day) and Los Angeles (770 flights per day).
What is the cheapest place to fly to from Chicago?
The cheapest city to fly to from Chicago is Las Vegas Harry Reid Intl, with prices starting at ฿2,064. Explore other affordable destinations below.
Airline reviews for flights from Chicago
Get insights into the airlines that provide service from Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Chicago. In the last 7 days, Cheapflights users made a total of 17,341 searches.
Get a feel of what it's like to fly with ANA, Korean Air, andJapan Airlines from Chicago by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Crew
Entertainment
Comfort
Boarding
Overall
Reviews
Anonymous,Jul 2025
MNL - NRT
Food
Crew
Entertainment
Comfort
Boarding
Overall
Reviews
Anonymous,Jul 2025
MNL - NRT
Food
Crew
Entertainment
Comfort
Boarding
Overall
Reviews
Anonymous,Jul 2025
MNL - NRT
Food
Crew
Entertainment
Comfort
Boarding
Overall
Reviews
Anonymous,Jul 2025
MNL - NRT
Food
Crew
Entertainment
Comfort
Boarding
Overall
Reviews
Anonymous,Jul 2025
MNL - NRT
Food
Crew
Entertainment
Comfort
Boarding
Overall
Reviews
Anonymous,Jul 2025
MNL - NRT
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Direct flights from Illinois
Book a direct flight from one of these other cities located in Illinois.
Related info for your journey
Access useful and relevant information related to your journey from Chicago. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 14 July 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Chicago?
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Why should you use Cheapflights to find cheap flight tickets from Chicago?
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Can Cheapflights find flights from Chicago with no change fees?
Yes! Cheapflights helps users easily find flights from Chicago with no change fees.
Can Cheapflights notify me if prices for flights from Chicago become cheaper?
Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Chicago today and book when you’re ready!