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Cheap flights from Chicago to Bangkok

The cheapest round trip from Chicago to Bangkok that travelers found recently is $552 with a carry-on: a $552 fare on Cathay Pacific, which usually includes a carry-on. It leaves Fri, Aug 6 and comes back Mon, Aug 16.

Live prices for Fri, Aug 6 to Mon, Aug 16

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$552Cheapest round trip, carry-on included (est.)
$1,077Typical round trip found recently
JanuaryCheapest month in the next few, from $896
0%Of these fares are nonstop

Cheapest trips travelers found recently

LeaveReturnAirlineAirportsStopsFareCarry-on (est.)TotalLive prices
Fri, Aug 6Mon, Aug 16Cathay PacificORD → BKK1 stop$552Included$552Live price
Fri, Jan 22Sun, Jan 31BRORD → BKK1 stop$896Included$896Live price
Mon, Nov 9Wed, Nov 18Cathay PacificORD → BKK1 stop$938Included$938Live price
Fri, Mar 19Sat, Mar 27RJORD → BKK2 stops$1,012Included$1,012Live price
Sat, May 1Tue, May 4BRORD → BKK1 stop$1,060Included$1,060Live price
Thu, Jun 17Tue, Jun 29Cathay PacificORD → BKK1 stop$1,077Included$1,077Live price
Fri, May 28Mon, Jun 7PRORD → BKK2 stops$1,124Included$1,124Live price
Fri, Jul 2Sun, Jul 11Cathay PacificORD → BKK1 stop$1,128Included$1,128Live price
Tue, Jun 15Thu, Jun 24Cathay PacificORD → BKK1 stop$1,129Included$1,129Live price
Sat, May 29Mon, Jun 7Cathay PacificORD → BKK1 stop$1,178Included$1,178Live price

Round-trip prices per person, from real fares travelers found in the last few days. Carry-on fees are our estimate for each airline, both ways. Prices change fast: check the live price before you book.

Cheapest month to fly

MonthCheapest tripFromLive prices
November 2026Mon, Nov 9 to Wed, Nov 18, 9 nights$938Live price
December 2026Sun, Dec 20 to Fri, Jan 1, 12 nights$1,699Live price
January 2027Fri, Jan 22 to Sun, Jan 31, 9 nights$896Live price
March 2027Fri, Mar 19 to Sat, Mar 27, 8 nights$1,012Live price
May 2027Sat, May 1 to Tue, May 4, 3 nights$1,060Live price
June 2027Thu, Jun 17 to Tue, Jun 29, 12 nights$1,077Live price

Bag fees on this route

What the airlines flying Chicago to Bangkok usually charge for one bag each way. Budget airlines often sell the cheapest fares and charge the most for bags, so compare the total, not the fare.

AirlineCarry-on, each wayChecked bag, each way
American AirlinesIncludedIncluded
BRIncludedIncluded
Cathay PacificIncludedIncluded
PRIncludedIncluded
RJIncludedIncluded

Our estimates: fees depend on the fare type and when you pay. Check the airline's own price when you book.

How these prices work

These are real round-trip fares that travelers found on Aviasales recently, not a live search, so they can change or sell out. Dipt adds an estimate of each airline's carry-on fee, so a cheap fare with expensive bags doesn't look cheaper than it is. "Live price" opens Dipt's live flight search for those dates, where you book with the airline or travel site you pick. Dipt may earn a commission when you book, at no extra cost to you (how Dipt makes money).

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