The cheapest one-way ticket from Chicago to Bangkok found recently is 391€, on 10 Feb (February 2027, one stop). The most expensive month is December 2026, from 504€. Round trips start at 456€, in September 2027. No direct flights were seen lately; the quickest connection takes 19h 40m. Airlines on this route: Etihad Airways, American Airlines, Frontier Airlines, Cathay Pacific, Philippine Airlines.
Lowest fare by month
| Month | One way | Round trip |
|---|---|---|
| November 2026 | 501€8 Nov · 2 stops | — |
| December 2026 | 504€2 Dec · 3 stops | 1397€28 Dec–13 Jan · 2 stops |
| January 2027 | 415€15 Jan · 1 stop | 831€23 Jan–6 Feb · 1 stop |
| February 2027 | 391€10 Feb · 1 stop | 831€6 Feb–20 Feb · 1 stop |
| May 2027 | — | 858€28 May–7 Jun · 1 stop |
| June 2027 | — | 971€17 Jun–29 Jun · 1 stop |
| July 2027 | — | 1017€2 Jul–11 Jul · 1 stop |
| August 2027 | — | 768€31 Aug–17 Sept · 1 stop |
| September 2027 | — | 456€1 Sept–17 Sept · 1 stop |
Cheapest days in February 2027
One way, per adult. Blank days: nobody searched them lately.
At a glance
- Airports
- ORD · DPA · RFD · MDW · PWK → BKK · DMK
- Airlines
- Etihad Airways, American Airlines, Frontier Airlines, Cathay Pacific, Philippine Airlines
- Direct flights
- No direct fares seen lately
The rest of the trip to Bangkok
- Internet when you land ↗An eSIM for the country, set up before you fly. Handy outside the EU, or when roaming costs extra.
- A ride from the airport ↗A driver waiting at arrivals, at a fixed price.
- Rent a car ↗Cars from local rental companies around the country.
- Things to do in Bangkok ↗Tickets for museums, tours and sights.
Flight delayed by three hours or more, or cancelled? Under EU rules you may be owed up to €600. Check your claim.
Frequently asked questions
How much is a flight from Chicago to Bangkok?
The cheapest one-way ticket found recently is 391€, in February 2027. A round trip starts at 456€. Fares are per adult and change often.
What is the cheapest month to fly from Chicago to Bangkok?
February 2027, from 391€ one way. The most expensive is December 2026, from 504€.
Are there direct flights from Chicago to Bangkok?
No direct fares were seen in recent days, only connections.
How long is the flight from Chicago to Bangkok?
The shortest flight found takes 19h 40m, with a stop.
Which airlines fly from Chicago to Bangkok?
Etihad Airways, American Airlines, Frontier Airlines, Cathay Pacific, Philippine Airlines.
Which airports do flights from Chicago to Bangkok use?
They leave from ORD, DPA, RFD, MDW, PWK and land at BKK, DMK.
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Watch this routeFares are the lowest travellers found in recent days' searches, per adult. They change: check the price before you book. Booking links go to our travel partner and are affiliate links: if you book through them we earn a small commission, at no cost to you.