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SAY to BKK: distance & flight time
Siena (Siena-Ampugnano Airport) → Bangkok (Suvarnabhumi Airport)
5,549 mi
8,930 km · 4,822 nm
11h 21m
estimated nonstop flight time
+5h
time difference · heading east
See live SAY→BKK fares Phone-only fares on this route — call free
Flight time details
5,549 miles nonstop takes roughly 11h 21m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- SAY — Siena-Ampugnano Airport · Siena, Italy
- BKK — Suvarnabhumi Airport · Bangkok, Thailand
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SAY
- GRS · Grosseto Air Base36 mi away
- FLR · Peretola Airport38 mi away
- PSA · Pisa International Airport52 mi away
- EBA · Marina Di Campo Airport62 mi away
Near BKK
- DMK · Don Mueang International Airport19 mi away
- KDT · Kamphaeng Saen Airport63 mi away
- UTP · U-Tapao International Airport71 mi away
- HHQ · Hua Hin Airport90 mi away
Frequently asked questions
How far is SAY from BKK?
The flight distance from Siena (SAY) to Bangkok (BKK) is 5,549 miles (8,930 km, 4,822 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SAY to BKK?
A nonstop flight takes about 11h 21m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Siena and Bangkok?
Bangkok is 5 hours ahead of Siena.
What is the cheapest way to fly from SAY to BKK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SAY–BKK that never appear on search engines, with no booking fees.