ORD → BKK

Find and Compare the Cheapest Ways to Fly from Chicago to Bangkok

Compare one-way, round-trip and flight + hotel packages from Chicago to Bangkok, a nonstop flight of about 17h 40m, with fares from around 905.

Chicago to Bangkok flight facts

Chicago to Bangkok is an international route covering about 8,546 miles, arriving at Suvarnabhumi Airport (BKK) in Thailand. Peak travel season in Bangkok runs November–February (dry and slightly cooler), while June–October is usually the quietest and best-value time to visit. The cheapest fares we've tracked on this route include at least one stop.

Key facts for flights from Chicago to Bangkok
Departing fromO'Hare International Airport (ORD)
Arriving atSuvarnabhumi Airport (BKK)
Distance8,546 miles (13,762 km)
Nonstop flight timeAbout 17h 40m
Nonstop airlines seenNone in recent fares, expect 1 stop
Round-trip fares from$905 (estimate)
Cheapest monthsFebruary, September, May
Peak season in BangkokNovember–February
Cheapest hotel months in BangkokJune–October
Best time to book2 to 6 months ahead
Route info updatedOctober 16, 2026

When to visit Bangkok

  • Peak season

    November–February

    Dry and slightly cooler

  • Shoulder season

    March–May

    Very hot and dry

  • Off-peak season

    June–October

    Monsoon rains

Estimated round-trip fares by month, Chicago to Bangkok

Estimated lowest round-trip fare per month
MonthFares from
January$1030
February$905
March$1180
April$1140
May$1020
June$1150
July$1335
August$1130
September$990
October$1035
November$1025
December$1270

Flying from Chicago to Bangkok

Airlines Flying this Route

The cheapest fares we've tracked on this route include at least one stop. Ducoffs.com compares full-service and low-cost airlines flying between Chicago and Bangkok in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.

Best Time to Book Flights from Chicago to Bangkok

Fares on this route tend to be lowest in February, September, and May. For the best selection, book about 2 to 6 months before departure and stay flexible by a day or two.

Average Travel Duration

Chicago and Bangkok are about 8,546 miles apart. A nonstop flight takes roughly 17h 40m; connecting itineraries usually add 2 to 5 hours.

Chicago to Bangkok flight questions

How can I find the absolute cheapest flight from Chicago to Bangkok?

The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.

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

Based on typical seasonal demand, February, September, and May tend to offer the lowest fares on this route, with estimated round-trip prices starting around $905. Live prices change daily, so run a search for your exact dates.

How long is the flight from Chicago to Bangkok?

Chicago and Bangkok are about 8,546 miles apart. A nonstop flight takes roughly 17h 40m, while connecting itineraries usually add 2 to 5 hours depending on the layover.

Which airlines fly nonstop from Chicago to Bangkok?

The cheapest fares we've tracked recently on this route include at least one stop. Your live search shows any nonstop options available for your dates.

When are hotels cheapest in Bangkok?

Hotel rates in Bangkok are usually lowest in June–October, when demand is quieter, and highest during peak season (November–February). Booking your flight and hotel together can save up to 30%.

Which airport do I fly into for Bangkok?

This route arrives at Suvarnabhumi Airport (BKK). Your search results also show nearby airports when they offer a cheaper or faster option.

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

For this route, booking about 2 to 6 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.

Is it cheaper to bundle flights and hotels together?

Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.