Cheap flights from Chicago to Bangkok Old Town

View AU$599 flight on Thu, 25 Sep. 2025Opens in a new window

Popular airlines from Chicago to Bangkok Old Town

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Cheap Flights from Chicago (CHI) to Bangkok Old Town (BKK)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Wed, 22 Oct. - Sat, 1 Nov.
ORD
Chicago
BKK
Bangkok
AU$1,171 Return, found 1 day ago
AU$1,171
Return
found 1 day ago
Select Cathay Pacific flight, departing Wed, 22 Oct. from Chicago to Bangkok, returning Sat, 1 Nov., priced at AU$1,171 found 1 day ago
Air India
Mon, 13 Apr. - Sun, 10 May
ORD
Chicago
BKK
Bangkok
AU$1,194 Return, found 2 days ago
AU$1,194
Return
found 2 days ago
Select Air India flight, departing Mon, 13 Apr. from Chicago to Bangkok, returning Sun, 10 May, priced at AU$1,194 found 2 days ago
Turkish Airlines
Mon, 6 Oct. - Wed, 15 Oct.
ORD
Chicago
BKK
Bangkok
AU$1,205 Return, found 2 days ago
AU$1,205
Return
found 2 days ago
Select Turkish Airlines flight, departing Mon, 6 Oct. from Chicago to Bangkok, returning Wed, 15 Oct., priced at AU$1,205 found 2 days ago
All Nippon Airways
Mon, 6 Oct. - Mon, 13 Oct.
ORD
Chicago
BKK
Bangkok
AU$1,289 Return, found 2 days ago
AU$1,289
Return
found 2 days ago
Select All Nippon Airways flight, departing Mon, 6 Oct. from Chicago to Bangkok, returning Mon, 13 Oct., priced at AU$1,289 found 2 days ago
United
Wed, 8 Oct. - Thu, 16 Oct.
ORD
Chicago
BKK
Bangkok
AU$1,352 Return, found 2 days ago
AU$1,352
Return
found 2 days ago
Select United flight, departing Wed, 8 Oct. from Chicago to Bangkok, returning Thu, 16 Oct., priced at AU$1,352 found 2 days ago
Etihad Airways
Wed, 22 Oct. - Sat, 1 Nov.
ORD
Chicago
BKK
Bangkok
AU$1,503 Return, found 1 day ago
AU$1,503
Return
found 1 day ago
Select Etihad Airways flight, departing Wed, 22 Oct. from Chicago to Bangkok, returning Sat, 1 Nov., priced at AU$1,503 found 1 day ago

Find the cheapest month to fly from Chicago (CHI) to Bangkok (BKK)

September is typically the cheapest month to fly

From AU$1,116 - AU$1,707 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.