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UTH to PSM: distance & flight time
Udon Thani (Udon Thani Airport) → Portsmouth (Portsmouth International at Pease Airport)
8,239 mi
13,260 km · 7,160 nm
16h 37m
estimated nonstop flight time
-11h
time difference · heading north
See live UTH→PSM 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 set-back when reading arrival times on your ticket.
The two airports
- UTH — Udon Thani Airport · Udon Thani, Thailand
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
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 UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 mi away
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
Frequently asked questions
How far is UTH from PSM?
The flight distance from Udon Thani (UTH) to Portsmouth (PSM) 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 UTH to PSM?
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.
Are there nonstop flights from UTH to PSM?
Nonstop service on UTH–PSM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 16h 37m nonstop estimate.
What is the time difference between Udon Thani and Portsmouth?
Portsmouth is 11 hours behind Udon Thani.
What is the cheapest way to fly from UTH to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UTH–PSM that never appear on search engines, with no booking fees.
Why are some UTH to PSM fares phone-only?
Consolidator contracts let us sell certain UTH–PSM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.