S$ 537 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 25-2. 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.
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Search 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
In the last 7 days, travellers have searched 47,107,125 times on KAYAK, and here's why:

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Best Southeast Asia Flight Deals

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

Singapore
Singapore1 stopS$ 1,080

Good to know

Low season

May

High season

January

Cheapest flight

S$ 537
Best time to beat the crowds but there is an average 9% increase in price.
Most popular time to fly and prices are also 8% 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 to Southeast Asia 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 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 to Southeast Asia 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 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 to Southeast Asia from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Portland to Southeast Asia

Recent return flight deals

 
These are the cheapest return flights from Portland to Southeast Asia found on KAYAK in the last 72 hours.
11-2Tue
1 stopAir Canada
20h 50mPDX-SIN
25-2Tue
1 stopAir Canada
20h 44mSIN-PDX
S$ 1,080
11-2Tue
1 stopAir Canada
20h 50mPDX-SIN
2-3Sun
1 stopAir Canada
20h 44mSIN-PDX
S$ 1,109
1-4Tue
1 stopSingapore Airlines
21h 10mPDX-SIN
15-4Tue
1 stopSingapore Airlines
39h 35mSIN-PDX
S$ 1,364
11-2Tue
1 stopSingapore Airlines
30h 43mPDX-SIN
26-2Wed
1 stopSingapore Airlines
19h 46mSIN-PDX
S$ 1,457
15-2Sat
1 stop
38h 00mPDX-SIN
25-2Tue
1 stop
19h 46mSIN-PDX
S$ 1,465
10-2Mon
1 stop
36h 25mPDX-SIN
26-2Wed
1 stop
19h 46mSIN-PDX
S$ 1,466
14-3Fri
2 stopsQatar Airways
32h 05mPDX-SIN
23-3Sun
2 stopsQatar Airways
35h 05mSIN-PDX
S$ 1,545
1-4Tue
2 stopsCathay Pacific
27h 20mPDX-SIN
15-4Tue
2 stopsCathay Pacific
39h 23mSIN-PDX
S$ 1,568
10-5Sat
2 stopsQatar Airways
34h 45mPDX-SIN
24-5Sat
2 stopsQatar Airways
45h 00mSIN-PDX
S$ 1,594
9-2Sun
2 stopsCathay Pacific
26h 25mPDX-SIN
15-2Sat
2 stopsCathay Pacific
28h 40mSIN-PDX
S$ 1,649

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Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Portland to Southeast Asia found on KAYAK in the last 72 hours.
25-2Tue
2 stops
37h 11mPDX-SIN
S$ 537
22-2Sat
2 stops
37h 11mPDX-SIN
S$ 551
25-2Tue
1 stopAir Canada
20h 50mPDX-SIN
S$ 732
31-1Fri
1 stopAir Canada
24h 30mPDX-SIN
S$ 801
26-2Wed
2 stopsJapan Airlines
24h 50mPDX-SIN
S$ 830
31-1Fri
2 stopsUnited Airlines
31h 05mPDX-SIN
S$ 841
24-2Mon
3 stopsCathay Pacific
29h 04mPDX-SIN
S$ 869
27-2Thu
3 stopsCathay Pacific
29h 04mPDX-SIN
S$ 959
23-12Mon
1 stopUnited Airlines
28h 33mPDX-SIN
S$ 1,958
12-1Sun
2 stopsJapan Airlines
56h 40mPDX-SIN
S$ 4,616

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Last minute flights from Portland to Southeast Asia

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Portland to Southeast Asia that are departing in the next 10 days.
26-11Tue
multi-stopDelta
36h 16mPDX-SIN
7-12Sat
multi-stopDelta
29h 10mSIN-PDX
S$ 21,745

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Everything you need to know for your flight to Southeast Asia

Information on your arrival and departure airports

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