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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

S$ 708 CHEAP FLIGHTS from Portland to Southeast Asia

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In the last 7 days, travellers have searched 41,299,237 times on KAYAK, and here's why:

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Best Southeast Asia Flight Deals from Portland

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

One-wayReturn

Singapore1 stopS$ 1,341

Low season	May
High season	January
Cheapest flight	S$ 708

Best time to beat the crowds but there is an average 7% increase in price.

Most popular time to fly and prices are also 13% lower on average.

Flight from Portland to Singapore

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.

See more FAQs

Book at least 1 week before departure in order to get a below-average price.
High season is considered to be May, June and July. The cheapest month to fly from Portland is September.

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.

20-5Tue

1 stopUnited Airlines

19h 54mPDX-SIN

23-6Mon

1 stopUnited Airlines

28h 15mSIN-PDX

S$ 1,341

13-1Mon

1 stopUnited Airlines

22h 12mPDX-SIN

22-1Wed

2 stopsUnited Airlines

26h 50mSIN-PDX

S$ 1,346

13-1Mon

2 stopsDelta

25h 00mPDX-SIN

21-1Tue

2 stopsDelta

21h 33mSIN-PDX

S$ 1,360

8-1Wed

2 stopsJapan Airlines

25h 50mPDX-SIN

23-1Thu

2 stopsJapan Airlines

22h 50mSIN-PDX

S$ 1,374

10-2Mon

1 stopSingapore Airlines

36h 25mPDX-SIN

28-2Fri

1 stopSingapore Airlines

19h 46mSIN-PDX

S$ 1,382

9-2Sun

1 stopAir Canada

29h 45mPDX-SIN

16-2Sun

1 stopAir Canada

28h 09mSIN-PDX

S$ 1,383

9-2Sun

2 stopsAir Canada

27h 45mPDX-SIN

16-2Sun

1 stopAir Canada

28h 09mSIN-PDX

S$ 1,448

11-1Sat

2 stopsDelta

25h 00mPDX-SIN

20-1Mon

2 stopsDelta

34h 03mSIN-PDX

S$ 1,482

10-1Fri

2 stopsJapan Airlines

56h 40mPDX-SIN

22-1Wed

2 stopsJapan Airlines

32h 40mSIN-PDX

S$ 1,556

22-5Thu

1 stopSingapore Airlines

20h 35mPDX-SIN

26-6Thu

1 stopSingapore Airlines

18h 29mSIN-PDX

S$ 1,754

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.

11-1Sat

2 stops

54h 37mPDX-SIN

S$ 708

9-4Wed

3 stops

36h 09mPDX-SIN

S$ 736

9-4Wed

2 stopsUnited Airlines

35h 20mPDX-SIN

S$ 742

24-2Mon

2 stopsChina Eastern

31h 25mPDX-SIN

S$ 744

2-2Sun

2 stops

38h 30mPDX-SIN

S$ 784

31-1Fri

1 stopUnited Airlines

20h 30mPDX-SIN

S$ 830

1-2Sat

2 stopsAir Canada

44h 25mPDX-SIN

S$ 854

24-2Mon

3 stopsCathay Pacific

30h 43mPDX-SIN

S$ 877

31-1Fri

1 stopAir Canada

29h 45mPDX-SIN

S$ 904

31-1Fri

2 stopsCathay Pacific

31h 40mPDX-SIN

S$ 1,103

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.

23-12Mon

multi-stop

48h 26mPDX-SIN

31-12Tue

multi-stop

24h 40mSIN-PDX

S$ 5,701

23-12Mon

multi-stop

48h 26mPDX-SIN

30-12Mon

multi-stop

24h 50mSIN-PDX

S$ 6,320

23-12Mon

multi-stopUnited Airlines

33h 04mPDX-SIN

3-1Fri

multi-stopUnited Airlines

43h 30mSIN-PDX

S$ 8,057

23-12Mon

multi-stopUnited Airlines

31h 00mPDX-SIN

3-1Fri

multi-stopUnited Airlines

28h 01mSIN-PDX

S$ 8,693

23-12Mon

multi-stop

27h 04mPDX-SIN

2-1Thu

multi-stop

24h 26mSIN-PDX

S$ 10,019

23-12Mon

multi-stopBritish Airways

46h 56mPDX-SIN

31-12Tue

multi-stopBritish Airways

33h 20mSIN-PDX

S$ 12,469

23-12Mon

multi-stopCathay Pacific

30h 21mPDX-SIN

3-1Fri

multi-stopCathay Pacific

26h 00mSIN-PDX

S$ 13,195

22-12Sun

multi-stopQatar Airways

40h 04mPDX-SIN

2-1Thu

multi-stopQatar Airways

34h 28mSIN-PDX

S$ 17,062

22-12Sun

multi-stopBritish Airways

46h 56mPDX-SIN

3-1Fri

multi-stopBritish Airways

33h 32mSIN-PDX

S$ 26,849

Everything you need to know for your flight to Southeast Asia

Information on your arrival and departure airports

Portland (PDX)

Cabin class types available on flights to Portland

First Class flights from Portland to Southeast Asia

Business Class flights from Portland to Southeast Asiafrom S$ 4,578

Prem Econ Class flights from Portland to Southeast Asiafrom S$ 1,562

Economy class flights from Portland to Southeast Asiafrom S$ 138

S$ 708 Find Cheap Flights from Portland to Southeast Asia

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

Best Southeast Asia Flight Deals from Portland

Good to know

Low season

High season

Cheapest flight

FAQs - booking Southeast Asia flights

How does KAYAK find such low prices 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?

What is the Hacker Fare option on flights from Portland to Southeast Asia?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Southeast Asia?

Top tips for finding cheap flights to Southeast Asia

Book cheap flights from Portland to Southeast Asia

Recent return flight deals

Search by stops

Search by airline

Search by price

Recent one-way flight deals

Search by stops

Search by airline

Search by price

Last minute flights from Portland to Southeast Asia

Last minute flight, train and bus deals

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to Southeast Asia

Information on your arrival and departure airports

Cabin class types available on flights to Portland

Cabin classes available on flights to Portland. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Complete your trip to Southeast Asia with a hotel stay or car hire

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights from domestic origins to Portland

Flights from all regions of Portland to Southeast Asia. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Flights to popular cities in Southeast Asia

Find deals for your return flight