Skyline view of Bangkok highlighting traditional Thai architecture amidst modern buildings. — flights from Chicago to Bangkok
ChicagoBangkok, Thailand

Flights from Chicago to Bangkok

Flying time from Chicago (ORD) to Bangkok (BKK) is about 17h 42m (13,763 km). Lowest fare seen: $418 one-way, 1 stop (12 Oct 2026).

All flights from Chicago →All flights to Bangkok →

Photo of Bangkok: Zaonar Saizainalin on Pexels.

When you land in Bangkok

The airport transfer and the few things worth sorting before you fly.

Find hotels in Bangkok

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Airlines flying Chicago to Bangkok

We have not confirmed which airlines fly ORD–BKK nonstop. Search the route to see every carrier selling it today, including connections.

Chicago to Bangkok fares by month

With stops: Mar 2027, from $452. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.

DepartingNonstop fromCheaper with stops
Oct 2026—$572 · 1 stop26 Oct 2026
Nov 2026—$575 · 2 stops9 Nov 2026
Dec 2026—$872 · 2 stops23 Dec 2026
Mar 2027—$452 · 1 stop24 Mar 2027

When to go for the lowest fare

Later departures were cheaper: from $452 in March 2027, against $572 for October 2026.

From Travelpayouts flight-search data, city to city (Chicago to Bangkok, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.

Best time to fly to Bangkok

Based on weather and travel conditions in Thailand

Jan
Feb
Mar
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May
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Oct
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Dec
Best monthsGoodAvoid if possible

The cool, dry season (November–February) is ideal — sunny skies, low humidity, and comfortable temperatures around 25–30°C. The monsoon (May–October) brings heavy rain especially in the south.

Peak season: November – February

More for this trip

Frequently asked questions — Chicago to Bangkok flights

How long is the flight from Chicago to Bangkok?
Chicago (ORD) and Bangkok (BKK) are 13,763 km apart, about 17h 42m of flying time. We have not seen a nonstop fare on this pair, so expect to connect — the cheapest itinerary seen had 1 stop, which adds to the total journey time.
How far is Chicago from Bangkok by air?
The great-circle distance between Chicago O'Hare International Airport and Suvarnabhumi Airport is 13,763 km (8,552 miles), a ultra long-haul route.
How much does a flight from Chicago to Bangkok cost?
The lowest one-way fare seen recently on ORD–BKK was $418 USD with Etihad Airways (1 stop), departing 14 Oct 2026, found in fare searches as of 12 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
What is the cheapest month to fly from Chicago to Bangkok?
In fares seen on 22 Oct 2026, departures in March 2027 were cheapest, from $452 one-way, against $872 for December 2026, the dearest month. Fares change daily, so check your own dates.
Do I need a visa to travel from Chicago to Thailand?
It depends on your passport. Some nationalities can enter Thailand visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.
What is the best time to visit Bangkok?
The cool, dry season (November–February) is ideal — sunny skies, low humidity, and comfortable temperatures around 25–30°C. The monsoon (May–October) brings heavy rain especially in the south.

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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