Your next trip, last seen at €309
Lowest observedSingapore Airlines · 1 stop · One wayWhen to fly
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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
- €309, departing 19 Jan 2027 (Last checked: 22 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Air Canada, Alaska Airlines, ANA, Cathay Pacific, China Airlines, EVA Air, Hainan Airlines, HK Express, Korean Air, Philippine Airlines, Singapore Airlines, STARLUX Airlines, Vietjet (13)
- Typical journey time
- 20h 53m
About this route
Explore the fares we observed from Seattle to Da Nang. Prices move often, so pick your dates to see the latest options.
- Route distance
- 11,340 km
- Typical journey time
- 20h 53m
- Seen on fares with a connection
- Korean Air, EVA Air, Singapore Airlines, Cathay Pacific, Vietjet, Alaska Airlines, China Airlines, Hainan Airlines, ANA (9)
- 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.
- Da Nang International Airport (DAD) → Da Nang, city gazetteer reference point (16.0554, 108.2030): ≈ 1 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.
Lowest one-way fare we saw per airline
Cheapest airline from Seattle to Da Nang: Singapore Airlines, from €309 (checked 22 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Singapore Airlines | €309Jan 19, 2027 | 4 |
| Korean Air | €348Dec 1, 2026 | 47 |
| Vietjet | €419Nov 26, 2026 | 3 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Seattle to Da Nang?
The lowest fare Routavio has observed is €309, found on 22 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Seattle to Da Nang?
In our observations January 2027 is the cheapest month so far, at €309.
Are there direct flights from Seattle to Da Nang?
Our data holds no non-stop flight from Seattle to Da Nang. The fares on this page include at least one stop.
Which airlines fly from Seattle to Da Nang?
Routavio has seen these carriers on the route: Air Canada, Alaska Airlines, ANA, Cathay Pacific, China Airlines, EVA Air, Hainan Airlines, HK Express, Korean Air, Philippine Airlines, Singapore Airlines, STARLUX Airlines, Vietjet (13).
How long does the flight from Seattle to Da Nang take?
Across the 63 fares Routavio observed, the average journey time is 27h 26m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Seattle to Da Nang fares were non-stop?
None of the 63 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which airline has the lowest fare from Seattle to Da Nang?
Cheapest airline from Seattle to Da Nang: Singapore Airlines, from €309 (checked 22 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.