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HPH to SEA: distance & flight time
Haiphong (Cat Bi International Airport) → Seattle (Seattle Tacoma International Airport)
6,825 mi
10,983 km · 5,931 nm
13h 51m
estimated nonstop flight time
-14h
time difference · heading northeast
See live HPH→SEA fares Phone-only fares on this route — call free
Flight time details
6,825 miles nonstop takes roughly 13h 51m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- HPH — Cat Bi International Airport · Haiphong, Vietnam
- 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 HPH
- HAN · Noi Bai International Airport65 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 HPH from SEA?
The flight distance from Haiphong (HPH) to Seattle (SEA) is 6,825 miles (10,983 km, 5,931 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HPH to SEA?
A nonstop flight takes about 13h 51m 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 Haiphong and Seattle?
Seattle is 14 hours behind Haiphong.
What is the cheapest way to fly from HPH to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HPH–SEA that never appear on search engines, with no booking fees.