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DEF to SEA: distance & flight time
Dezful (Dezful Airport) → Seattle (Seattle Tacoma International Airport)
6,887 mi
11,084 km · 5,985 nm
13h 58m
estimated nonstop flight time
-10.5h
time difference · heading north
See live DEF→SEA fares Phone-only fares on this route — call free
Flight time details
6,887 miles nonstop takes roughly 13h 58m 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 set-back when reading arrival times on your ticket.
The two airports
- DEF — Dezful Airport · Dezful, Iran
- SEA — Seattle Tacoma International Airport · Seattle, 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 DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
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
Frequently asked questions
How far is DEF from SEA?
The flight distance from Dezful (DEF) to Seattle (SEA) is 6,887 miles (11,084 km, 5,985 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEF to SEA?
A nonstop flight takes about 13h 58m 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 Dezful and Seattle?
Seattle is 10.5 hours behind Dezful.
What is the cheapest way to fly from DEF to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEF–SEA that never appear on search engines, with no booking fees.