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฿3,917+ 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 16/5. 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.
CHI — BKK
29 Apr — 6 May1
1 adult

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 24 April 2025.

Good round-trip deal

฿7,541 or less

Good one-way deal

฿1,600 or less
Price to beat on a round-trip flight from Chicago.
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Price to beat on a one-way flight from Chicago.
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Find flights from Chicago

Cheapest flights from Chicago
Explore the most affordable flight options available from Chicago. Find the lowest fares based on data from user searches, with prices last updated on 24 April 2025.

Thu 28/816:00ORD - HKT
1 stop30h 50mCathay Pacific
Wed 3/911:50HKT - ORD
1 stop38h 35mCathay Pacific
Deal found 24/4฿25,745
Mon 6/1017:45ORD - CNX
2 stops29h 30mMultiple Airlines
Mon 20/1010:10CNX - ORD
2 stops41h 00mMultiple Airlines
Deal found 22/4฿26,247
Thu 28/817:45ORD - HKT
2 stops27h 50mMultiple Airlines
Wed 3/916:05HKT - ORD
2 stops35h 05mMultiple Airlines
Deal found 23/4฿26,280
Mon 1/916:00ORD - CNX
1 stop29h 45mCathay Pacific
Mon 8/910:30CNX - ORD
1 stop39h 55mCathay Pacific
Deal found 23/4฿28,322
Sun 28/917:45ORD - BKK
1 stop22h 50mUnited Airlines
Sat 4/1009:35BKK - ORD
2 stops25h 20mUnited Airlines
Deal found 23/4฿28,892
Fri 12/912:10ORD - BKK
1 stop37h 05mKorean Air
Sat 20/909:50BKK - ORD
1 stop35h 40mKorean Air
Deal found 24/4฿28,992
Sun 14/917:45ORD - BKK
1 stop22h 50mANA
Fri 26/907:00BKK - ORD
1 stop19h 55mANA
Deal found 23/4฿29,059
Thu 11/916:00ORD - BKK
1 stop19h 50mCathay Pacific
Fri 26/916:25BKK - ORD
1 stop34h 00mCathay Pacific
Deal found 24/4฿29,293
Sat 13/906:00ORD - BKK
2 stops31h 05mเดลต้า
Sat 20/902:35BKK - ORD
2 stops31h 17mเดลต้า
Deal found 23/4฿29,360
Sun 5/1009:20MDW - BKK
2 stops27h 45mเดลต้า
Fri 17/1002:35BKK - MDW
2 stops31h 09mเดลต้า
Deal found 23/4฿29,360
Wed 7/512:00ORD - HKT
1 stop43h 30mAir India
Thu 16/1009:25HKT - ORD
1 stop34h 00mAir India
Deal found 23/4฿29,662
Mon 6/1018:50ORD - BKK
2 stops29h 20mMultiple Airlines
Mon 20/1013:20BKK - ORD
2 stops27h 44mMultiple Airlines
Deal found 24/4฿30,432

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 24 April 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Thu 28/8

16:00-10:50

1 stop30h 50m

Phuket City

Wed 3/9

11:50-14:25

1 stop38h 35m

฿25,745

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 6/10

17:45-11:15

2 stops29h 30m

Chiang Mai

Mon 20/10

10:10-15:10

2 stops41h 00m

฿26,247

ChicagoPhuket City

ORD - HKT

ORDHKT

Chicago O'Hare Intl

Thu 28/8

17:45-09:35

2 stops27h 50m

Phuket City

Wed 3/9

16:05-15:10

2 stops35h 05m

฿26,280

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 1/9

16:00-09:45

1 stop29h 45m

Chiang Mai

Mon 8/9

10:30-14:25

1 stop39h 55m

฿28,322

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 28/9

17:45-04:35

1 stop22h 50m

Bangkok Suvarnabhumi

Sat 4/10

09:35-22:55

2 stops25h 20m

฿28,892

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Fri 12/9

12:10-13:15

1 stop37h 05m

Bangkok Suvarnabhumi

Sat 20/9

09:50-09:30

1 stop35h 40m

฿28,992

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sun 14/9

17:45-04:35

1 stop22h 50m

Bangkok Suvarnabhumi

Fri 26/9

07:00-14:55

1 stop19h 55m

฿29,059

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Thu 11/9

16:00-23:50

1 stop19h 50m

Bangkok Suvarnabhumi

Fri 26/9

16:25-14:25

1 stop34h 00m

฿29,293

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Sat 13/9

07:15-23:25

2 stops28h 10m

Bangkok Suvarnabhumi

Wed 17/9

09:50-21:52

2 stops24h 02m

฿29,360

ChicagoBangkok

MDW - BKK

MDWBKK

Chicago Midway

Sun 5/10

09:20-01:05

2 stops27h 45m

Bangkok Suvarnabhumi

Fri 17/10

02:35-21:44

2 stops31h 09m

฿29,360

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 60 results
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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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 18 April 2025.

Booking 77 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 ฿24,339). Flying from Chicago in June will prove the most costly (average of ฿34,817). 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.

ANA

ANA

From ฿956

EVA Air

EVA Air

From ฿1,062

What are popular destinations to fly to from Chicago?

If you’re flying from Chicago, these routes are more frequently taken by airlines New York (1,638 flights per day), Detroit (1,210 flights per day) and Los Angeles (688 flights per day).

Denver Intl

Denver Intl

From ฿225

Hong Kong Intl

Hong Kong Intl

From ฿504

Orlando

Orlando

From ฿48

Salt Lake City

Salt Lake City

From ฿202

What is the cheapest place to fly to from Chicago?

The cheapest city to fly to from Chicago is Orlando, with prices starting at ฿1,600. Explore other affordable destinations below.

Orlando

Orlando

From ฿48

Salt Lake City

Salt Lake City

From ฿202

Denver Intl

Denver Intl

From ฿225

Montreal

Montreal

From ฿282

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.
EVA Air
8.4
Very Good
1,180 reviews
Check prices

Food

8.1

Comfort

8.3

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very Good
1,180 reviews
EVA Air
8.4
Very Good
1,180 reviews
Check prices

Food

8.1

Comfort

8.3

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very Good
1,063 reviews
EVA Air
8.4
Very Good
1,180 reviews
Check prices

Food

8.1

Comfort

8.3

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Japan Airlines
8.3
Very Good
1,453 reviews
EVA Air
8.4
Very Good
1,180 reviews
Check prices

Food

8.1

Comfort

8.3

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Airlines
8.3
Very Good
727 reviews
EVA Air
8.4
Very Good
1,180 reviews
Check prices

Food

8.1

Comfort

8.3

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
ANA
8.3
Very Good
853 reviews
EVA Air
8.4
Very Good
1,180 reviews
Check prices

Food

8.1

Comfort

8.3

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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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 24 April 2025.

  • What are the most popular destinations to fly to from Chicago?

    The most selected flight destinations from Chicago for the current month are Atlanta, Boston, Barcelona-El Prat Airport. While Atlanta, Boston, Mumbai are the top choices made by travellers year-round.

  • Which is the cheapest airport to catch a flight from Chicago?

    Chicago O'Hare Intl airport offers the cheapest routes to Bangkok, from ฿24,506; whereas Chicago Midway airport is typically cheaper if you're flying to Bangkok, from ฿29,360. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from Chicago?

    At the present moment the cheapest month to fly from Chicago is currently September; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Chicago?

    Here are some of the cheapest flight destinations from Chicago:
    Fly from Chicago to Bangkok from ฿24,506

  • How does Cheapflights help users find flights from Chicago?

    Cheapflights helps you search for flights from Chicago via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from Chicago?

    Cheapflights helps you find that perfect flight from Chicago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • 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!

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How does Cheapflights help users find flights from Chicago?

Cheapflights helps you search for flights from Chicago via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Chicago?

Cheapflights helps you find that perfect flight from Chicago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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!

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