S$ 548 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 25-4. 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.
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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$ 946

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
10:10 - 07:05PDX-SIN
29h 55m1 stop
09:10 - 18:46SIN-PDX
24h 36m1 stop
S$ 946Air Canada
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Thu, 4 Sep - Thu, 25 Sep
10:10 - 05:00PDX-SIN
27h 50m2 stops
09:10 - 14:46SIN-PDX
20h 36m1 stop
S$ 955Air Canada
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Thu, 4 Sep - Thu, 25 Sep
10:10 - 07:05PDX-SIN
29h 55m1 stop
08:00 - 22:56SIN-PDX
29h 56m2 stops
S$ 999
Find Deal
Tue, 16 Sep - Mon, 29 Sep
06:15 - 22:25PDX-SIN
25h 10m2 stops
06:00 - 14:46SIN-PDX
23h 46m3 stops
S$ 1,130
Find Deal
Tue, 16 Sep - Tue, 21 Oct
07:00 - 00:20PDX-SIN
26h 20m2 stops
01:55 - 21:30SIN-PDX
34h 35m2 stops
S$ 1,169Japan Airlines
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Thu, 4 Sep - Wed, 24 Sep
06:00 - 18:25PDX-SIN
21h 25m1 stop
09:00 - 12:33SIN-PDX
18h 33m1 stop
S$ 1,180United Airlines
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Mon, 7 Apr - Tue, 22 Apr
16:18 - 18:25PDX-SIN
35h 07m2 stops
20:40 - 21:00SIN-PDX
39h 20m2 stops
S$ 1,185United Airlines
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Mon, 7 Apr - Tue, 22 Apr
07:10 - 05:00PDX-SIN
30h 50m2 stops
01:10 - 18:43SIN-PDX
32h 33m2 stops
S$ 1,193Delta
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Tue, 16 Sep - Mon, 20 Oct
20:00 - 05:00PDX-SIN
42h 00m2 stops
07:30 - 19:20SIN-PDX
26h 50m2 stops
S$ 1,201Delta
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Thu, 8 May - Thu, 15 May
06:00 - 00:20PDX-SIN
27h 20m2 stops
01:55 - 16:19SIN-PDX
29h 24m2 stops
S$ 1,575Japan Airlines
Find Deal
Wed, 23 Apr - Tue, 29 Apr

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$ 1,235 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of return tickets is S$ 2,034 and S$ 1,971 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 8 weeks before departure.

Good to know

Low season

May

High season

September

Cheapest flight

S$ 548
Best time to beat the crowds but there is an average 25% increase in price.
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.

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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