S$ 512 Find Cheap Flights from Portland to Southeast Asia

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 Southeast Asia departing on 23-2. 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.
1 adult
1 adult, Economy

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Southeast Asia, 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 Southeast Asia, as well as popular online travel agencies
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Flight Deals

Best Southeast Asia Flight Deals from Portland

Cheapest return prices found by our users on KAYAK in the last 72 hours
Singapore
Singapore1 stopS$ 942
Singapore
Singapore1 stopS$ 942

Cheap Flights from Portland to Southeast Asia

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Portland to Southeast Asia 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 Southeast Asia

Thu, 30 Oct - Thu, 6 Nov
Air Canada Logo
15:15 - 07:00PDX-SIN
24h 45m1 stop
Air Canada Logo
08:50 - 18:30SIN-PDX
25h 40m1 stop
S$ 942Air Canada
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Air Canada Logo
19:00 - 07:00PDX-SIN
21h 00m1 stop
Air Canada Logo
23:10 - 14:45SIN-PDX
31h 35m2 stops
S$ 951Air Canada
Find Deal
Thu, 30 Oct - Thu, 6 Nov
 Logo
15:54 - 07:00PDX-SIN
24h 06m2 stops
 Logo
08:50 - 09:15SIN-PDX
16h 25m1 stop
S$ 961
Find Deal
Wed, 29 Oct - Wed, 5 Nov
 Logo
15:54 - 07:00PDX-SIN
24h 06m2 stops
 Logo
23:10 - 14:45SIN-PDX
31h 35m2 stops
S$ 970
Find Deal
Wed, 29 Oct - Tue, 4 Nov
Korean Air Logo
09:17 - 00:10PDX-SIN
23h 53m2 stops
Korean Air Logo
01:35 - 12:49SIN-PDX
27h 14m2 stops
S$ 1,081Korean Air
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Thu, 30 Oct - Wed, 5 Nov
Korean Air Logo
06:00 - 00:10PDX-SIN
27h 10m2 stops
Korean Air Logo
01:35 - 12:49SIN-PDX
27h 14m2 stops
S$ 1,085Korean Air
Find Deal
Wed, 8 Oct - Wed, 22 Oct
Singapore Airlines Logo
07:00 - 19:10PDX-SIN
21h 10m1 stop
Singapore Airlines Logo
09:15 - 16:54SIN-PDX
22h 39m1 stop
S$ 1,191Singapore Airlines
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Fri, 9 Jan - Wed, 11 Feb
Singapore Airlines Logo
21:30 - 17:45PDX-SIN
28h 15m1 stop
Singapore Airlines Logo
09:15 - 16:28SIN-PDX
23h 13m1 stop
S$ 1,198Singapore Airlines
Find Deal
Fri, 9 Jan - Wed, 11 Feb
China Airlines Logo
07:05 - 13:05PDX-SIN
38h 00m3 stops
China Airlines Logo
14:25 - 09:47SIN-PDX
35h 22m2 stops
S$ 1,304China Airlines
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Wed, 8 Oct - Wed, 22 Oct
China Airlines Logo
14:30 - 00:35PDX-SIN
43h 05m2 stops
China Airlines Logo
13:45 - 09:47SIN-PDX
35h 02m2 stops
S$ 1,339China Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Portland to Southeast Asia flights

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

Can I save money by flying with a stopover from Portland to Southeast Asia?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of S$ 155, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Portland to Southeast Asia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Southeast Asia, 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 Southeast Asia is September, when tickets cost S$ 965 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is S$ 2,169 and S$ 1,398 respectively.

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

The average price of all round-trip flights from Portland to Southeast Asia clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Southeast Asia on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Portland to Southeast Asia. For your return ticket, we recommend flying on a Monday and avoiding Fridays for the best deals.

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

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 Southeast Asia, 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 Southeast Asia, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Good to know

Low seasonMay
Cheapest flightS$ 512
Best time to beat the crowds (1% less expensive on average)
Most popular time to fly and prices are also 1% lower on average.
Flight from Portland to Singapore

FAQs - booking Southeast Asia flights

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

    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 Southeast Asia.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland to Southeast Asia 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 Southeast Asia?

    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 Southeast Asia 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 Southeast Asia?

    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 Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Southeast Asia?

    The cheapest time of day to fly to Southeast Asia is generally at night, when retur flights cost S$ 886 on average. The most expensive time of day to fly to Southeast Asia is generally in the morning, which is peak travel time and where the average cost of a ticket is S$ 1,622.

Everything you need to know for your flight to Southeast Asia

Information on your arrival and departure airports

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