International route
Cheap flights from Chicago to Bangkok
O'Hare International Airport (ORD) to Suvarnabhumi Airport (BKK). 8,552 miles, 16h 55m nonstop.
ORD to BKK at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 8,552 milesgreat-circle
- Typical flight time
- 16h 55mnonstop, gate to gate
- Nonstop airlines
- UA1 airlineUnited
- Nonstop flights per day
- 1all airlines combined
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Tuesday21% less than Sunday
- Time difference
- 12h aheadBangkok vs Chicago
Chicago to Bangkok
Round trips from $683
Per traveler, taxes and fees included. Lowest fare we found departs Wed, Jan 6.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppChicago to Bangkok fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Chicago to Bangkok
1 airline flies nonstop with 1 departures a day combined, plus 18 more with one stop.
- UAUnited AirlinesStar AllianceNonstop · 1 flight a day · first checked bag from $40
- ACAir CanadaStar AllianceConnecting via YVR, YUL, YYC · first checked bag from $35
- AIAir IndiaStar AllianceConnecting via DEL · first checked bag included
- ASAlaska AirlinesoneworldConnecting via PDX, SFO, LAX · first checked bag from $35
- AAAmerican AirlinesoneworldConnecting via PHX, LAX · first checked bag from $40
- NHANA All Nippon AirwaysStar AllianceConnecting via NRT · first checked bag included
- OZAsiana AirlinesStar AllianceConnecting via ICN · first checked bag included
- BABritish AirwaysoneworldConnecting via LHR · first checked bag from $75
- CXCathay PacificoneworldConnecting via HKG · first checked bag included
- CIChina AirlinesSkyTeamConnecting via TPE · first checked bag included
- DLDelta Air LinesSkyTeamConnecting via SLC, BOS · first checked bag from $35
- BREVA AirStar AllianceConnecting via TPE · first checked bag included
- AYFinnaironeworldConnecting via HEL · first checked bag from $70
- AZITA AirwaysConnecting via FCO · first checked bag from $70
- JLJapan AirlinesoneworldConnecting via HND, NRT · first checked bag included
- B6JetBlueConnecting via BOS · first checked bag from $40
- LHLufthansaStar AllianceConnecting via MUC · first checked bag from $75
- LXSWISSStar AllianceConnecting via GVA · first checked bag from $75
- Y4VolarisLow-costConnecting via TIJ · first checked bag from $45
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Los Angeles (LAX)AAAS2 airlines
- Boston (BOS)DLB62 airlines
- Tokyo (NRT)JLNH2 airlines
- Taipei (TPE)BRCI2 airlines
- Phoenix (PHX)AA1 airline
Which airport should I use?
Chicago has 2 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Other departure airports near Chicago
Tips for this route
- Only United flies this route nonstop, which keeps nonstop fares firm. A one-stop itinerary through LAX or BOS is usually cheaper if you can spare the extra three to five hours.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $683; September 2026 is the most expensive at $899 and up, a difference of $216 per traveler.
- Departing on a Tuesday averages 21% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel.
- Bangkok is 12 hours ahead of Chicago. Expect to lose 12 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Destination guide
Bangkok: Temples, street food and the doorway to Southeast Asia
Bangkok is the cheapest big city in the world to enjoy once you land: $2 street meals, $40 hotel rooms and a river of golden temples. Reach it with one stop from most US cities via Tokyo, Seoul, Taipei or Doha, then fan out to Chiang Mai and the islands.
Best time to visit: November–February is the cool, dry season and the best time. March–May is very hot; June–October is the monsoon with short heavy downpours, lower prices and green countryside.
Flying the other way? Bangkok to ChicagoFares, airlines and tips for BKK to ORD.Ready to compare live fares?
See every airline on ORD–BKK side by side with bags and seat rules spelled out.
Search Chicago to BangkokChicago to Bangkok: common questions
How long is the flight from Chicago to Bangkok?
A nonstop flight from Chicago (ORD) to Bangkok (BKK) takes about 16h 55m gate to gate, covering 8,552 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.
Which airlines fly nonstop from ORD to BKK?
United Airlines operates nonstop flights from Chicago (ORD) to Bangkok (BKK), with 1 nonstop departure a day between them. One-stop options connect through LAX, BOS and NRT.
What is the cheapest month to fly from Chicago to Bangkok?
Over the next six months, January 2027 has the lowest round-trip fares from Chicago (ORD) to Bangkok (BKK), starting at $683 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Chicago to Bangkok flights?
Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Chicago and Bangkok?
Bangkok is 12 hours ahead of Chicago. ORD is on America/Chicago time and BKK on Asia/Bangkok time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.