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PSM to UTH: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Udon Thani (Udon Thani Airport)
8,239 mi
13,260 km · 7,160 nm
16h 37m
estimated nonstop flight time
+11h
time difference · heading north
See live PSM→UTH fares Phone-only fares on this route — call free
Flight time details
8,239 miles nonstop takes roughly 16h 37m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- UTH — Udon Thani Airport · Udon Thani, 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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Near UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 mi away
Frequently asked questions
How far is PSM from UTH?
The flight distance from Portsmouth (PSM) to Udon Thani (UTH) is 8,239 miles (13,260 km, 7,160 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to UTH?
A nonstop flight takes about 16h 37m 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 Portsmouth and Udon Thani?
Udon Thani is 11 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–UTH that never appear on search engines, with no booking fees.