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Cheap flights from Chicago to Bangkok, Thailand for only $663 roundtrip with Korean Air.
DEPART:
Chicago, USA
ARRIVE:
Bangkok, Thailand
RETURN:
Chicago, USA
DATES:
Availability from November 2025 to April 2026 (excluding Christmas/New Year)
Example dates:
17th-24th Nov
17th-25th Nov
18th-25th Nov
18th-26th Nov
2nd-9th Dec
2nd-10th Dec
19th-26th Jan
19th-27th Jan
20th-27th Jan
20th-28th Jan
21st-28th Jan
21st-29th Jan
22nd-29th Jan
26th Jan – 2nd Feb
26th Jan – 3rd Feb
27th Jan – 3rd Feb
27th Jan – 4th Feb
28th Jan – 4th Feb
28th Jan – 5th Feb
29th Jan – 5th Feb
2nd-9th Feb
2nd-10th Feb
3rd-10th Feb
3rd-11th Feb
4th-11th Feb
9th-16th Feb
10th-17th Feb
10th-18th Feb
11th-18th Feb
11th-19th Feb
12th-19th Feb
16th-23rd Feb
16th-24th Feb
17th-24th Feb
17th-25th Feb
18th-25th Feb
18th-26th Feb
19th-26th Feb
23rd Feb – 2nd Mar
23rd Feb – 3rd Mar
24th Feb – 3rd Mar
24th Feb – 4th Mar
25th Feb – 4th Mar
2nd-9th Mar
2nd-10th Mar
3rd-10th Mar
3rd-11th Mar
5th-12th Mar
9th-16th Mar
9th-17th Mar
10th-17th Mar
10th-18th Mar
11th-18th Mar
11th-19th Mar
12th-19th Mar
16th-23rd Mar
16th-24th Mar
17th-24th Mar
17th-25th Mar
18th-25th Mar
18th-26th Mar
19th-26th Mar
23rd-30th Mar
23rd-31st Mar
24th-31st Mar
24th Mar – 1st Apr
25th Mar – 1st Apr
30th Mar – 6th Apr
30th Mar – 7th Apr
31st Mar – 7th Apr
31st Mar – 8th Apr
1st-8th Apr
6th-13th Apr
6th-14th Apr
7th-14th Apr
7th-15th Apr
8th-15th Apr
13th-20th Apr
13th-21st Apr
14th-21st Apr
14th-22nd Apr
15th-22nd Apr
20th-27th Apr
20th-28th Apr
21st-28th Apr
21st-29th Apr
22nd-29th Apr
and more…
STOPS:
Seoul
AIRLINES:
Korean Air
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