RareNonstop · 5h
CHI to SJUPuerto Rico
San Juan
$162
usually $340
−52%
Most monthly lows $287–$340. Cheaper than every other month on record (3).
Flights · CHI → BKK
Chicago to Bangkok
Best fare, round trip
$840
−17%
below its usual $1,010
you keep $170
Found
- Depart
- Wed 17 Feb
- Return
- Wed 24 Feb
- Stay
- 7 nights
- Flight
- 1 stop · 19.5h
- Airline
Etihad
Most of this route’s monthly lows fall between $940 and $1,077. The drop beats 47% of measured fares on the board, over 8 observed months.
Cached fare — the booking search re-prices live before you pay.
ThailandBangkokThe backpacker cliché that still delivers: gold temples, boat noodles, $12 street-food feasts.Best windowNov–FebAirportsSuvarnabhumi (BKK) · Don Mueang (DMK)Every route into BangkokFare seasonality
When this route gets cheap.
Fares bottom out in February around $840 and peak in December near $1,283, 53% dearer, across the 8 months we track. The cheapest itinerary we are tracking makes one stop and takes about 19.5 hours outbound, on a 7-night trip — ticketed under Etihad, which on a connecting fare need not operate every leg. At $840 for 13,773 km each way, that works out to about $30 per 1,000 km flown. That is below the $42 per 1,000 km typical of ultra-long-haul fares here. Across the 13 departure cities we track at a similar distance from Bangkok, this fare ranks 10th — 1.9× the $448 we hold from New York. That puts it in the cheaper half of the 30 routes of similar length we watch out of Chicago, where the middle fare is $995. The best time to be in Bangkok: Nov–Feb.
The 8 days we hold a cached fare for
Press a date to compare its fares
The median cached fare across this calendar is 5% lower than when tracking began on 8 Aug — $983 then versus $929 now, across 18 recorded snapshots. This is a calendar-level trend, so an individual deal above can be lower. The lowest single day we have seen here is $523, on 4 Oct.
- Wed 4 Nov$891lowest
- Thu 5 Nov$1,029
- Sat 7 Nov$1,262
- Mon 9 Nov$938
- Thu 12 Nov$920
- Sat 14 Nov$918
- Sat 19 Dec$2,253
- Fri 22 Jan$896
These are the only days we have a cached price for on this route so far — not the only days it flies. The search above covers any date.
Cached fares · checked 13 Oct 2026
Cheapest in Feb, around $840
17% below the $1,010 typical fare
$891Nov, below the usual price. Compare November fares.$1283Dec, above the usual price. Compare December fares.$896Jan ’27, below the usual price. Compare January fares.$840Feb, the cheapest month. Compare February fares.$1012Mar, around the usual price. Compare March fares.$1124May, above the usual price. Compare May fares.$1077Jun, above the usual price. Compare June fares.$940Aug, below the usual price. Compare August fares.
CheapestBelow usualUsualAbove usualPress a month to compare its fares
Cheapest round-trip fare found each month, Chicago to Bangkok, from cached prices.
Route facts
- Airports
- O’Hare (ORD) · Midway (MDW) ↔ Suvarnabhumi (BKK) · Don Mueang (DMK)
- Flight time
- ≈19.5 hours outbound
- Distance
- ≈13,773 km each way
- Typical price
- $1,010 round-trip (seasonal median)
- Airlines on the board
- Etihad
- Itineraries
- Connections on current fares
- Best months to visit
- Nov–Feb
Good to know
CHI → BKK, answered.
Is $840 a good price for Chicago to Bangkok?
Only slightly. The seasonal median is around $1,010 round-trip and this fare is 17% under it. We do not call a drop notable until 20%, so this is an ordinary price for the route rather than a reason to hurry.
What is the cheapest month to fly from Chicago to Bangkok?
Across 8 months of cached-fare history, Feb comes out cheapest on this route. The best months to actually be in Bangkok are Nov–Feb — when those overlap, that's your window.
How far in advance should I book CHI → Bangkok?
We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. What we can measure is which month is cheap: across 8 months of cached fares, Feb comes out lowest on this route. Our guide Why flight prices change covers what does move a fare.
Are there nonstop flights from Chicago to Bangkok?
The current cheapest fares involve a connection, ticketed under Etihad. We hold no nonstop fare on this route right now, which does not mean none flies — search your exact dates to see what does.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on 17 October). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.
Next step
Sleeping in Bangkok?
Lock the flight first — then compare stays for 17–24 Feb '27 · 7 nights.
Browse hotelsMissed it?
Cached fares expire. This route has a feed of its own — follow it and the next CHI → BKK drop reaches you as soon as we find it.
Follow this route’s feedKeep browsing
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