PDX - SIN

S$ 549 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 29-4. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Singapore

 
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
Travellers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest return fare
S$ 1,070
Typical prices: S$ 1,386-S$ 894
Singapore Airlines
Wed 16-9Tue 22-9
PDX - SIN • 1 stop
Cheapest one-way flight
S$ 647
Typical prices: S$ 782-S$ 854
Multiple Airlines
Wed 29-4
PDX - SIN • 2 stops
Direct flights
Not available
There are currently no direct flights between Portland and Singapore. You’ll need at least 1 connection.
Insights
Insights
Insights
Insights
Top stopover airports
Cheapest • Avg S$ 2,282 (return)
Shortest trip • 20h 25m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 23% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Singapore!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Portland to Singapore (PDX-SIN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Portland to Singapore 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Portland to Singapore

Wed, 16 Sep - Tue, 22 Sep
Singapore Airlines Logo
07:00 - 19:10
PDX
-
SIN
21h 10m
1 stop
Singapore Airlines Logo
09:15 - 16:50
SIN
-
PDX
22h 35m
1 stop
S$ 1,070Singapore Airlines
Fri, 14 Aug - Wed, 9 Sep
Singapore Airlines Logo
07:19 - 19:10
PDX
-
SIN
20h 51m
1 stop
Singapore Airlines Logo
09:15 - 13:45
SIN
-
PDX
19h 30m
1 stop
S$ 1,123Singapore Airlines
Sat, 15 Aug - Mon, 31 Aug
Multiple Airlines Logo
07:15 - 19:10
PDX
-
SIN
20h 55m
1 stop
Multiple Airlines Logo
09:15 - 16:50
SIN
-
PDX
22h 35m
1 stop
S$ 1,134Multiple Airlines
Sat, 15 Aug - Mon, 31 Aug
Singapore Airlines Logo
07:15 - 19:10
PDX
-
SIN
20h 55m
1 stop
Singapore Airlines Logo
09:15 - 16:50
SIN
-
PDX
22h 35m
1 stop
S$ 1,147Singapore Airlines
Sat, 12 Sep - Sat, 19 Sep
Singapore Airlines Logo
07:00 - 19:10
PDX
-
SIN
21h 10m
1 stop
Singapore Airlines Logo
09:15 - 13:50
SIN
-
PDX
19h 35m
1 stop
S$ 1,172Singapore Airlines
Sat, 12 Sep - Sat, 19 Sep
Singapore Airlines Logo
07:00 - 19:10
PDX
-
SIN
21h 10m
1 stop
Singapore Airlines Logo
09:15 - 13:45
SIN
-
PDX
19h 30m
1 stop
S$ 1,177Singapore Airlines
Fri, 14 Aug - Wed, 9 Sep
Singapore Airlines Logo
07:19 - 19:10
PDX
-
SIN
20h 51m
1 stop
Singapore Airlines Logo
09:25 - 20:50
SIN
-
PDX
26h 25m
2 stops
S$ 1,196Singapore Airlines
Sat, 15 Aug - Mon, 31 Aug
Singapore Airlines Logo
07:00 - 19:10
PDX
-
SIN
21h 10m
1 stop
Singapore Airlines Logo
20:45 - 09:25
SIN
-
PDX
27h 40m
1 stop
S$ 1,227Singapore Airlines
Sat, 19 Sep - Sat, 26 Sep
Singapore Airlines Logo
17:40 - 07:40
PDX
-
SIN
23h 00m
1 stop
Singapore Airlines Logo
09:15 - 13:50
SIN
-
PDX
19h 35m
1 stop
S$ 1,228Singapore Airlines
Mon, 18 May - Mon, 8 Jun
Multiple Airlines Logo
07:00 - 20:10
PDX
-
SIN
46h 10m
2 stops
Multiple Airlines Logo
00:55 - 16:38
SIN
-
PDX
30h 43m
2 stops
S$ 1,295Multiple Airlines
Booking Insights

KAYAK's insights & trends for Portland to Singapore flights

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.

How much is a return flight from Portland to Singapore?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Portland to Singapore departing in September.

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 May, where tickets cost S$ 1,106 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is S$ 2,163 and S$ 1,375 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 2 weeks before departure, which saves you about 23% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Good to know

Low seasonMay
Cheapest flightS$ 647
Best time to beat the crowds (18% less expensive on average)
Most popular time to fly (3% 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$ 549 for a one-way ticket and S$ 1,070 for a return.

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

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

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

Information on your arrival and departure airports