S$ 598 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 9-7. 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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Best Singapore Flight Deals from Portland

Cheapest return prices found by our users on KAYAK in the last 72 hours

Singapore
Singapore1 stopS$ 928

Cheap Flight Deals from Portland to Singapore (PDX-SG0)

 
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.

Recent return flight deals from Portland to Singapore

Recommended return flight deals departing in the coming months from the most popular airlines that fly from Portland to Singapore.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
Air Canada Logo
15:25 - 07:05PDX-SIN
24h 40m1 stop
Air Canada Logo
09:10 - 14:46SIN-PDX
20h 36m1 stop
S$ 928Air Canada
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Thu, 4 Sep - Thu, 25 Sep
Air Canada Logo
06:15 - 05:00PDX-SIN
31h 45m2 stops
Air Canada Logo
09:10 - 14:46SIN-PDX
20h 36m1 stop
S$ 937Air Canada
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Thu, 4 Sep - Thu, 25 Sep
 Logo
10:00 - 07:05PDX-SIN
30h 05m1 stop
 Logo
09:45 - 22:56SIN-PDX
28h 11m2 stops
S$ 980
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Tue, 23 Sep - Wed, 8 Oct
 Logo
19:40 - 23:20PDX-SIN
36h 40m2 stops
 Logo
02:20 - 09:34SIN-PDX
22h 14m2 stops
S$ 990
Find Deal
Wed, 15 Oct - Tue, 28 Oct
Singapore Airlines Logo
07:00 - 19:10PDX-SIN
21h 10m1 stop
Singapore Airlines Logo
09:15 - 13:19SIN-PDX
19h 04m1 stop
S$ 1,047Singapore Airlines
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Wed, 15 Oct - Wed, 29 Oct
United Airlines Logo
07:45 - 18:25PDX-SIN
19h 40m1 stop
United Airlines Logo
08:45 - 20:41SIN-PDX
26h 56m1 stop
S$ 1,158United Airlines
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Tue, 23 Sep - Wed, 8 Oct
United Airlines Logo
13:01 - 06:15PDX-SIN
26h 14m2 stops
United Airlines Logo
10:10 - 20:05SIN-PDX
24h 55m1 stop
S$ 1,163United Airlines
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Wed, 15 Oct - Wed, 29 Oct
Delta Logo
05:30 - 05:00PDX-SIN
32h 30m2 stops
Delta Logo
01:10 - 19:13SIN-PDX
33h 03m2 stops
S$ 1,172Delta
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Thu, 4 Sep - Wed, 24 Sep
Singapore Airlines Logo
07:03 - 19:10PDX-SIN
21h 07m1 stop
Singapore Airlines Logo
09:15 - 13:34SIN-PDX
19h 19m1 stop
S$ 1,231Singapore Airlines
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Wed, 17 Sep - Tue, 30 Sep
Delta Logo
00:40 - 23:40PDX-SIN
32h 00m2 stops
Delta Logo
07:30 - 17:06SIN-PDX
24h 36m2 stops
S$ 1,452Delta
Find Deal
Wed, 3 Sep - Thu, 25 Sep
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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.

What is the cheapest time of day to fly to Singapore?

The average price for all round-trip flights from Portland to Singapore depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Singapore is generally at night, when retur flights cost S$ 886 on average. The most expensive time of day to fly to Singapore is generally in the morning, which is peak travel time and where the average cost of a ticket is S$ 1,622.

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 February, when tickets cost S$ 1,206 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of return tickets is S$ 1,995 and S$ 1,912 respectively.

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.
For Portland to Singapore, Tuesday is the cheapest day to fly on average and Saturday is the most expensive. Flying from Singapore back to Portland, the best deals are generally found on Monday, with Friday being the most expensive.

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 7 weeks before departure.

Good to know

Low season

May

High season

September

Cheapest flight

S$ 598
Best time to beat the crowds (7% less expensive on average)
Most popular time to fly and prices are also 16% lower on average.
Flight from Portland to Singapore

FAQs - booking Singapore flights

  • 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 from Portland to Singapore is likely to change within 7 days, so travellers 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 from Portland to Singapore with an airline and back 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 from Portland to Singapore 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

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