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DCA to UTH: distance & flight time
Washington (Ronald Reagan Washington National Airport) → Udon Thani (Udon Thani Airport)
8,551 mi
13,762 km · 7,431 nm
17h 14m
estimated nonstop flight time
+11h
time difference · heading north
See live DCA→UTH fares Phone-only fares on this route — call free
Flight time details
8,551 miles nonstop takes roughly 17h 14m 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
- DCA — Ronald Reagan Washington National Airport · Washington, 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 DCA
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 DCA from UTH?
The flight distance from Washington (DCA) to Udon Thani (UTH) is 8,551 miles (13,762 km, 7,431 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCA to UTH?
A nonstop flight takes about 17h 14m 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 DCA to UTH?
Nonstop service on DCA–UTH 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 17h 14m nonstop estimate.
What is the time difference between Washington and Udon Thani?
Udon Thani is 11 hours ahead of Washington.
What is the cheapest way to fly from DCA to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–UTH that never appear on search engines, with no booking fees.
Why are some DCA to UTH fares phone-only?
Consolidator contracts let us sell certain DCA–UTH 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.