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THR to BIL: distance & flight time
Teheran (Mehrabad International Airport) → Billings (Billings Logan International Airport)
6,668 mi
10,731 km · 5,794 nm
13h 32m
estimated nonstop flight time
-9.5h
time difference · heading north
See live THR→BIL fares Phone-only fares on this route — call free
Flight time details
6,668 miles nonstop takes roughly 13h 32m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time set-back when reading arrival times on your ticket.
The two airports
- THR — Mehrabad International Airport · Teheran, Iran
- BIL — Billings Logan International Airport · Billings, 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 THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 mi away
Near BIL
- COD · Yellowstone Regional Airport92 mi away
- LVM · Mission Field92 mi away
- LWT · Lewistown Municipal Airport96 mi away
- SHR · Sheridan County Airport105 mi away
Frequently asked questions
How far is THR from BIL?
The flight distance from Teheran (THR) to Billings (BIL) is 6,668 miles (10,731 km, 5,794 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to BIL?
A nonstop flight takes about 13h 32m 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 Teheran and Billings?
Billings is 9.5 hours behind Teheran.
What is the cheapest way to fly from THR to BIL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–BIL that never appear on search engines, with no booking fees.