Portland to Singapore flights

Routavio compares airline fares from several flight booking sites. Search Portland to Singapore to see the lowest price before you book.

Find your dates. Discover your next journey.

Fare seen

€558Seen on 11 Sep 2026

Last checked

11 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €557

29 Oct 2026

JetBlue · 2 stops · One way

Cheapest observed day · Last checked: 11 Sep 2026

Departure

06:30

When to fly

Explore dates

Find the dates that work for you

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.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Airlines seen: Alaska Airlines, Breeze Airways, Cathay Pacific, Ethiopian Airlines, Etihad Airways, JetBlue +6 more
Typical journey time: 39h 40m

Short answer

Routavio has seen Alaska Airlines fares from Portland to Singapore. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare. Fare seen: €558 on 11 Sep 2026.

About this route

Explore the fares we observed from Portland to Singapore. Prices move often, so pick your dates to see the latest options.

Route distance: 14,977 km
Typical journey time: 39h 40m
Airlines seen: Alaska Airlines, Breeze Airways, Cathay Pacific, Ethiopian Airlines, Etihad Airways, JetBlue +6 more
Seen on fares with a connection: JetBlue, Breeze Airways, Etihad Airways, Cathay Pacific, Korean Air
Alternative airports: XSP

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

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

Compare the same trip

We show like-for-like journeys so the comparison is fair.

Confirm with the provider

The price is final on the provider's site, where your booking is completed.

How our prices work

Airport to city: straight-line distance

Seletar Airport (XSP) → Singapore, city gazetteer reference point (1.3521, 103.8198): ≈ 9 km.
Singapore Changi Airport (SIN) → Singapore, city gazetteer reference point (1.3521, 103.8198): ≈ 19 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 was a flight from Portland to Singapore?

A fare of €558 was seen on 11 Sep 2026. Fares change, so search your dates for the current price.

Are there direct flights from Portland to Singapore?

Our data holds no non-stop flight from Portland to Singapore. The fares on this page include at least one stop.

Which airlines fly from Portland to Singapore?

These are the carriers we have seen on the route: Alaska Airlines, Breeze Airways, Cathay Pacific, Ethiopian Airlines, Etihad Airways, JetBlue +6 more.

How long does the flight from Portland to Singapore take?

The average journey time across the 71 fares we observed is 45h 09m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Portland to Singapore fares were non-stop?

None of the 71 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide