International route
Cheap flights from Bangkok to San Francisco
Suvarnabhumi Airport (BKK) to San Francisco International Airport (SFO). 7,922 miles, 15h 5m nonstop.
BKK to SFO 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
- 15h 5mnonstop, 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
- Tuesday18% less than Sunday
- Time difference
- 14h behindSan Francisco vs Bangkok
Bangkok to San Francisco
Round trips from $589
Per traveler, taxes and fees included. Lowest fare we found departs Wed, Jan 20.
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 WhatsAppBangkok to San Francisco 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 Bangkok to San Francisco
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?
BangkokSan 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 $589; September 2026 is the most expensive at $777 and up, a difference of $188 per traveler.
- Departing on a Tuesday averages 18% 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.
- San Francisco is 14 hours behind Bangkok. A morning departure lands in San Francisco with most of the day left; an evening flight arrives close to local dinner time.
Destination guide
San Francisco: Fog, hills and the Golden Gate
San Francisco packs cable cars, the Golden Gate Bridge, Alcatraz and world-class food into 49 square miles. SFO is the main gateway; Oakland and San Jose are handy alternatives with lower fares on many routes.
Best time to visit: September and October are the warmest, clearest months. Spring (April–May) is green and mild. Summer fog ('Karl') keeps the coast cool; winter is rainy but inexpensive.
Flying the other way? San Francisco to BangkokFares, airlines and tips for SFO to BKK.Ready to compare live fares?
See every airline on BKK–SFO side by side with bags and seat rules spelled out.
Search Bangkok to San FranciscoBangkok to San Francisco: common questions
How long is the flight from Bangkok to San Francisco?
A nonstop flight from Bangkok (BKK) to San Francisco (SFO) takes about 15h 5m 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 BKK to SFO?
United Airlines and Alaska Airlines operate nonstop flights from Bangkok (BKK) to San Francisco (SFO), 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 Bangkok to San Francisco?
Over the next six months, January 2027 has the lowest round-trip fares from Bangkok (BKK) to San Francisco (SFO), starting at $589 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Bangkok to San Francisco 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 Bangkok and San Francisco?
San Francisco is 14 hours behind Bangkok. BKK is on Asia/Bangkok time and SFO on America/Los Angeles 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.
More flights from Bangkok
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- Los Angeles to San FranciscoLAX → SFOfrom $63
- Seattle to San FranciscoSEA → SFOfrom $80
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