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SEA to THR: distance & flight time
Seattle (Seattle Tacoma International Airport) → Teheran (Mehrabad International Airport)
6,679 mi
10,749 km · 5,804 nm
13h 34m
estimated nonstop flight time
+10.5h
time difference · heading north
See live SEA→THR fares Phone-only fares on this route — call free
Flight time details
6,679 miles nonstop takes roughly 13h 34m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time gain when reading arrival times on your ticket.
The two airports
- SEA — Seattle Tacoma International Airport · Seattle, United States
- THR — Mehrabad International Airport · Teheran, Iran
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 SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
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
Frequently asked questions
How far is SEA from THR?
The flight distance from Seattle (SEA) to Teheran (THR) is 6,679 miles (10,749 km, 5,804 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to THR?
A nonstop flight takes about 13h 34m 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 Seattle and Teheran?
Teheran is 10.5 hours ahead of Seattle.
What is the cheapest way to fly from SEA to THR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–THR that never appear on search engines, with no booking fees.