International route
Cheap flights from San Francisco to Bangkok
San Francisco International Airport (SFO) to Suvarnabhumi Airport (BKK). 7,922 miles, 16h 10m nonstop.
SFO to BKK at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 7,922 milesgreat-circle
- Typical flight time
- 16h 10mnonstop, gate to gate
- Nonstop airlines
- UAAS2 airlinesUnited, Alaska
- Nonstop flights per day
- 2all airlines combined
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Tuesday17% less than Friday
- Time difference
- 14h aheadBangkok vs San Francisco
San Francisco to Bangkok
Round trips from $566
Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 5.
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 WhatsAppSan Francisco 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 San Francisco to Bangkok
2 airlines fly nonstop with 2 departures a day combined, plus 22 more with one stop.
- ASAlaska AirlinesoneworldNonstop · 1 flight a day · first checked bag from $35
- UAUnited AirlinesStar AllianceNonstop · 1 flight a day · first checked bag from $40
- EIAer LingusConnecting via DUB · first checked bag from $70
- ACAir CanadaStar AllianceConnecting via YVR, YUL, YYC · first checked bag from $35
- AIAir IndiaStar AllianceConnecting via DEL, BOM · first checked bag included
- AAAmerican AirlinesoneworldConnecting via PHX, LAX · first checked bag from $40
- NHANA All Nippon AirwaysStar AllianceConnecting via HND, 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, KIX · first checked bag included
- B6JetBlueConnecting via BOS · first checked bag from $40
- KEKorean AirSkyTeamConnecting via ICN · first checked bag included
- LHLufthansaStar AllianceConnecting via MUC · first checked bag from $75
- NONorse Atlantic AirwaysLow-costConnecting via LGW · first checked bag from $80
- PRPhilippine AirlinesConnecting via MNL · first checked bag included
- SKSAS Scandinavian AirlinesSkyTeamConnecting via CPH · first checked bag from $70
- 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.
- Boston (BOS)DLB62 airlines
- Tokyo (HND)JLNH2 airlines
- Tokyo (NRT)JLNH2 airlines
- Seoul (ICN)KEOZ2 airlines
- Taipei (TPE)BRCI2 airlines
Which airport should I use?
San Francisco has 3 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Tips for this route
- Only United and Alaska fly this route nonstop, which keeps nonstop fares firm. A one-stop itinerary through BOS or HND 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 $566; September 2026 is the most expensive at $743 and up, a difference of $177 per traveler.
- Departing on a Tuesday averages 17% less than a Friday 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 14 hours ahead of San Francisco. Expect to lose 14 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 San FranciscoFares, airlines and tips for BKK to SFO.Ready to compare live fares?
See every airline on SFO–BKK side by side with bags and seat rules spelled out.
Search San Francisco to BangkokSan Francisco to Bangkok: common questions
How long is the flight from San Francisco to Bangkok?
A nonstop flight from San Francisco (SFO) to Bangkok (BKK) takes about 16h 10m gate to gate, covering 7,922 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.
Which airlines fly nonstop from SFO to BKK?
United Airlines and Alaska Airlines operate nonstop flights from San Francisco (SFO) to Bangkok (BKK), with 2 nonstop departures a day between them. One-stop options connect through BOS, HND and NRT.
What is the cheapest month to fly from San Francisco to Bangkok?
Over the next six months, January 2027 has the lowest round-trip fares from San Francisco (SFO) to Bangkok (BKK), starting at $566 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book San Francisco 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 San Francisco and Bangkok?
Bangkok is 14 hours ahead of San Francisco. SFO is on America/Los Angeles 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.
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