PDX - SIN

S$ 543 Find Cheap Flights from Portland to Singapore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Singapore departing on 7-2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Singapore, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Singapore, as well as popular online travel agencies
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Cheap Flight Deals from Portland to Changi (PDX-SIN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Portland to Changi that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Portland to Singapore

Recommended return deals departing in the coming months from the most popular airlines that fly from Portland to Singapore.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
05:15 - 00:10PDX-SIN
26h 55m2 stops
22:30 - 18:54SIN-PDX
36h 24m2 stops
S$ 1,089Delta
Find Deal
Wed, 12 Feb - Sat, 1 Mar
15:05 - 19:05PDX-SIN
36h 00m1 stop
09:15 - 13:01SIN-PDX
18h 46m1 stop
S$ 1,158Singapore Airlines
Find Deal
Tue, 18 Feb - Tue, 11 Mar
06:03 - 20:15PDX-SIN
22h 12m1 stop
10:10 - 18:40SIN-PDX
24h 30m1 stop
S$ 1,184United Airlines
Find Deal
Wed, 12 Feb - Mon, 3 Mar
07:05 - 20:15PDX-SIN
21h 10m1 stop
10:10 - 22:55SIN-PDX
28h 45m2 stops
S$ 1,190United Airlines
Find Deal
Wed, 12 Feb - Thu, 6 Mar
06:00 - 00:10PDX-SIN
26h 10m2 stops
01:30 - 12:56SIN-PDX
27h 26m2 stops
S$ 1,267Korean Air
Find Deal
Fri, 14 Feb - Thu, 20 Feb
09:12 - 23:40PDX-SIN
23h 28m2 stops
01:10 - 14:38SIN-PDX
28h 28m2 stops
S$ 1,300Korean Air
Find Deal
Wed, 9 Apr - Wed, 23 Apr
14:33 - 13:05PDX-SIN
30h 32m3 stops
06:40 - 18:37SIN-PDX
26h 57m3 stops
S$ 1,341
Find Deal
Wed, 5 Mar - Wed, 12 Mar
06:00 - 00:55PDX-SIN
26h 55m2 stops
01:25 - 14:44SIN-PDX
28h 19m3 stops
S$ 1,363
Find Deal
Wed, 5 Mar - Tue, 11 Mar
10:10 - 07:55PDX-SIN
29h 45m1 stop
01:55 - 14:44SIN-PDX
28h 49m2 stops
S$ 1,448Air Canada
Find Deal
Tue, 18 Feb - Mon, 24 Feb
19:40 - 07:05PDX-SIN
20h 25m1 stop
09:10 - 22:56SIN-PDX
28h 46m1 stop
S$ 1,979Air Canada
Find Deal
Thu, 19 Jun - Thu, 3 Jul

Flights from Portland to Singapore - Travel Insights & Trends

Get data-powered insights and trends into flights from Portland to Singapore to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Portland to Singapore?

The average price of all round-trip flights from Portland to Singapore clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Portland to Singapore, look for departures on Mondays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Singapore, Sunday is the cheapest day to fly and Friday is the most expensive.

What is the cheapest month to fly from Portland to Singapore?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Singapore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Portland to Singapore is October, where tickets cost S$ 1,394 (return) on average. On the other hand, the most expensive months are July and May, where the average cost of round-trip tickets is S$ 2,118 and S$ 2,113 respectively.

How far in advance should I book a flight from Portland to Singapore?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Portland to Singapore, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Portland to Singapore, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Good to know

Low season

November

High season

December

Cheapest flight

S$ 543
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly (16% more expensive on average)
Flight from Portland to Singapore

When to book flights from Portland to Singapore

Are your dates flexible? Find out the best times to travel from Portland to Singapore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Portland to Singapore

  • What is the cheapest flight from Portland to Singapore?

    In the last 3 days, the lowest price for a flight from Portland to Singapore was S$ 399 for a one-way ticket and S$ 800 for a return.

  • Which aircraft models fly most regularly from Portland to Singapore?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Portland to Singapore?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Portland and Singapore, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Portland to Singapore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Singapore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Singapore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Singapore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Singapore with an airline and back to Portland with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Singapore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Everything you need to know for your flight from Portland to Singapore

Information on your arrival and departure airports

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