S$ 418 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 6-8. 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 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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41.299.237 searches in the past 7 days on KAYAK

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Flight Deals

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

Fri, 28 Aug - Fri, 4 Sep
Multiple Airlines Logo
17:35 - 09:05
PDX
-
SIN
24h 30m
2 stops
Multiple Airlines Logo
14:30 - 00:15
SIN
-
PDX
24h 45m
2 stops
S$ 1,116Multiple Airlines
Wed, 29 Apr - Wed, 6 May
Singapore Airlines Logo
14:50 - 05:15
PDX
-
SIN
23h 25m
1 stop
Singapore Airlines Logo
20:45 - 09:38
SIN
-
PDX
27h 53m
1 stop
S$ 1,186Singapore Airlines
Wed, 22 Apr - Fri, 1 May
ANA Logo
07:15 - 23:20
PDX
-
SIN
25h 05m
2 stops
ANA Logo
00:50 - 14:57
SIN
-
PDX
29h 07m
2 stops
S$ 1,201ANA
Sat, 15 Aug - Mon, 31 Aug
Singapore Airlines Logo
06:19 - 17:35
PDX
-
SIN
20h 16m
1 stop
Singapore Airlines Logo
20:45 - 10:25
SIN
-
PDX
28h 40m
1 stop
S$ 1,213Singapore Airlines
Sat, 22 Aug - Tue, 1 Sep
Singapore Airlines Logo
14:30 - 07:40
PDX
-
SIN
26h 10m
1 stop
Singapore Airlines Logo
09:15 - 13:50
SIN
-
PDX
19h 35m
1 stop
S$ 1,265Singapore Airlines
Sat, 15 Aug - Mon, 31 Aug
Singapore Airlines Logo
06:19 - 17:35
PDX
-
SIN
20h 16m
1 stop
Singapore Airlines Logo
20:45 - 10:25
SIN
-
PDX
28h 40m
1 stop
S$ 1,269Singapore Airlines
Sat, 15 Aug - Mon, 31 Aug
Multiple Airlines Logo
21:30 - 05:25
PDX
-
SIN
40h 55m
2 stops
Multiple Airlines Logo
23:10 - 16:27
SIN
-
PDX
32h 17m
2 stops
S$ 1,276Multiple Airlines
Thu, 30 Apr - Thu, 7 May
Multiple Airlines Logo
07:00 - 17:00
PDX
-
SIN
43h 00m
2 stops
Multiple Airlines Logo
23:10 - 23:44
SIN
-
PDX
39h 34m
2 stops
S$ 1,277Multiple Airlines
Tue, 14 Apr - Tue, 21 Apr
Multiple Airlines Logo
17:49 - 05:25
PDX
-
SIN
44h 36m
2 stops
Multiple Airlines Logo
16:55 - 16:49
SIN
-
PDX
38h 54m
2 stops
S$ 1,283Multiple Airlines
Wed, 22 Apr - Sun, 3 May
Multiple Airlines Logo
17:51 - 05:25
PDX
-
SIN
44h 34m
2 stops
Multiple Airlines Logo
23:10 - 23:44
SIN
-
PDX
39h 34m
2 stops
S$ 1,296Multiple Airlines
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$ 381, 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 May, when tickets cost S$ 1,098 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of return tickets is S$ 2,147 and S$ 1,365 respectively.

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 a flight from Portland to Southeast Asia, 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$ 418
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly (35% more expensive 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.

Everything you need to know for your flight to Southeast Asia

Information on your arrival and departure airports