Your next trip, last seen at €380
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
- €380, departing 8 Jan 2027 (Last checked: 20 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Air India, AirAsia, Batik Air Malaysia, Cathay Pacific, Emirates, Hainan Airlines, Korean Air, Lufthansa, Philippine Airlines, Qatar Airways, Singapore Airlines, SriLankan Airlines, Transnusa, Turkish Airlines, Vietjet, WestJet (16)
- Typical journey time
- 26h 20m
About this route
Explore the fares we observed from Seattle to Colombo. Prices move often, so pick your dates to see the latest options.
- Route distance
- 13,572 km
- Typical journey time
- 26h 20m
- Seen on fares with a connection
- Korean Air, Singapore Airlines, Cathay Pacific, Turkish Airlines, Emirates, AirAsia, Qatar Airways, Hainan Airlines, SriLankan Airlines (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.
- Bandaranaike International Colombo Airport (CMB) → Colombo, city gazetteer reference point (6.9275, 79.8484): ≈ 28 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 Colombo: Singapore Airlines, from €380 (checked 20 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Singapore Airlines | €380Jan 8, 2027 | 19 |
| AirAsia | €476Nov 18, 2026 | 3 |
| Korean Air | €476Nov 9, 2026 | 20 |
| Cathay Pacific | €549Nov 5, 2026 | 8 |
| Turkish Airlines | €742Jan 14, 2027 | 5 |
| Qatar Airways | €755Nov 21, 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 Colombo?
The lowest fare Routavio has observed is €380, found on 20 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Seattle to Colombo?
In our observations January 2027 is the cheapest month so far, at €380.
Are there direct flights from Seattle to Colombo?
Our data holds no non-stop flight from Seattle to Colombo. The fares on this page include at least one stop.
Which airlines fly from Seattle to Colombo?
Routavio has seen these carriers on the route: Air India, AirAsia, Batik Air Malaysia, Cathay Pacific, Emirates, Hainan Airlines, Korean Air, Lufthansa, Philippine Airlines, Qatar Airways, Singapore Airlines, SriLankan Airlines, Transnusa, Turkish Airlines, Vietjet, WestJet (16).
How long does the flight from Seattle to Colombo take?
Across the 65 fares Routavio observed, the average journey time is 33h 36m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Seattle to Colombo fares were non-stop?
None of the 66 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 Colombo?
Cheapest airline from Seattle to Colombo: Singapore Airlines, from €380 (checked 20 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.