Chicago (ORD) → Bangkok (BKK)

13,762 km
17h 42m flight
From $1720
Bangkok destination photo

About Chicago to Bangkok Flights

Discover the best flights from Chicago to Bangkok, covering 13,762 km in approximately 17h 42m. Chicago (ORD) to Bangkok (BKK) is one of the major long-haul routes connecting United States and Thailand. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Chicago to Bangkok.

12-Month Price History

Flight prices from Chicago to Bangkok vary significantly throughout the year. February typically offers the best deals with average prices around $2374, while July sees the highest prices, averaging $3986. Savvy travelers can save up to 40% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

138 days

For best prices

Booking Tips

For the best prices on Chicago to Bangkok flights, we recommend booking 64 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

Kalitta Air

K4

Economy

$3290

Business

$13490

First

$20150

American Airlines

AA

Economy

$3590

Business

$14190

First

$20370

Thai Airways

TG

Economy

$3640

Business

$13190

First

$21760

United Airlines

UA

Economy

$3970

Business

$13550

First

$21110

Thai VietJet Air

VZ

Economy

$4130

Business

$11460

First

$18060

SkyWest Airlines

OO

Economy

$4180

Business

$12430

First

$23300

Delta Air Lines

DL

Economy

$4470

Business

$12500

First

$19470

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

Bangkok destination photo

MilwaukeeBangkok

Milwaukee Mitchell International (MKE) to Suvarnabhumi (BKK)

Distance: 13,656 km

Average price: $2793

View this route →
Bangkok destination photo

ChicagoBangkok

Chicago Midway International (MDW) to Suvarnabhumi (BKK)

Distance: 13,785 km

Average price: $2818

View this route →
Bangkok destination photo

ChicagoBangkok

O'Hare International (ORD) to Don Mueang International (DMK)

Distance: 13,740 km

Average price: $2809

View this route →

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Frequently Asked Questions

How long is the flight from Chicago to Bangkok?

The flight time from Chicago (ORD) to Bangkok (BKK) is approximately 17 hours and 42 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Chicago and Bangkok?

The aerial distance between Chicago and Bangkok is 13,762 kilometers (8,551 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Chicago to Bangkok?

Several airlines operate flights between Chicago and Bangkok, including American Airlines, United Airlines, Thai Airways and 4 more airlines. Most flights on this route include one or more stops.

What is the cheapest month to fly from Chicago to Bangkok?

Based on historical data, February typically offers the lowest airfares for flights from Chicago to Bangkok. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to Bangkok?

For the best prices on Chicago to Bangkok flights, we recommend booking 123 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Chicago to Bangkok?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Thailand should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Chicago and Bangkok?

Chicago operates on America/Chicago time zone, while Bangkok is in the Asia/Bangkok time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.