Seattle to Nha Trang flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Seattle to Nha Trang is €426 (checked on 30 Oct 2026).
Your next trip, last seen at €432
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €426, departing 2 Nov 2026 (Last checked: 30 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 3Check live prices for this route
- Round trip
- €800, departing 9 Nov 2026, back 3 Dec 2026 (Last checked: 30 Oct 2026)
- Airlines seen
- ANA, Cathay Pacific, China Airlines, Hainan Airlines, Korean Air, Philippine Airlines, Singapore Airlines, STARLUX Airlines, United Airlines, Vietjet, Vietnam Airlines (11)
- Typical journey time
- 31h 20m
About this route
Explore the fares we observed from Seattle to Nha Trang. Prices move often, so pick your dates to see the latest options.
- Route distance
- 11,639 km
- Typical journey time
- 31h 20m
- Seen on fares with a connection
- Korean Air, Vietjet, Vietnam Airlines, Singapore Airlines, China Airlines, Cathay Pacific, Hainan Airlines (7)
- Alternative airports
- BFI
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- King County International Airport - Boeing Field (BFI) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 9 km.
- Seattle–Tacoma International Airport (SEA) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 18 km.
- Cam Ranh International Airport / Cam Ranh Air Base (CXR) → Nha Trang, city gazetteer reference point (12.2388, 109.1967): ≈ 27 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Frequently asked
How much is a flight from Seattle to Nha Trang?
The lowest fare Routavio has observed is €426, found on 30 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Seattle to Nha Trang?
In our observations November 2026 is the cheapest month so far, at €426.
Are there direct flights from Seattle to Nha Trang?
Our data holds no non-stop flight from Seattle to Nha Trang. The fares on this page include at least one stop.
Which airlines fly from Seattle to Nha Trang?
Routavio has seen these carriers on the route: ANA, Cathay Pacific, China Airlines, Hainan Airlines, Korean Air, Philippine Airlines, Singapore Airlines, STARLUX Airlines, United Airlines, Vietjet, Vietnam Airlines (11).
How long does the flight from Seattle to Nha Trang take?
Across the 59 fares Routavio observed, the average journey time is 36h 10m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Seattle to Nha Trang fares were non-stop?
None of the 62 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from Seattle to Nha Trang?
Cheapest round trip: €800, departing 9 Nov 2026, back 3 Dec 2026 (checked 30 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.