S$ 638 Find Cheap Flights from Oregon to Southeast Asia

1 adult

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

Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 27% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Good to know

Low season

May

High season

January

Cheapest flight

S$ 638
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Portland to Singapore

FAQs for booking flights from Oregon to Southeast Asia

  • How does KAYAK find such low prices on flights from Oregon 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 Oregon to Southeast Asia.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Oregon 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 Oregon 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 Oregon 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 Oregon 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 Oregon to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many airports are there in Southeast Asia?

    There are 23 airports in Southeast Asia. The busiest airport is Bangkok Suvarnabhumi Airport (BKK), with 19% of all flights arriving there.

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

    Based on KAYAK data, the cheapest day to fly to Southeast Asia is Tuesday when return tickets can be as cheap as S$ 1,122. On the other hand, the most expensive day to fly is Saturday, when return prices are S$ 1,576 on average.

  • 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 round-trip 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.

  • What is the cheapest month to fly from Oregon to Southeast Asia?

    The cheapest month for flights from Oregon to Southeast Asia is February, when tickets cost S$ 1,411 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of round-trip tickets is S$ 2,542 and S$ 2,515 respectively.

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

    To get a below-average price on the flight from Oregon to Southeast Asia, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

  • How long is the flight to Southeast Asia?

    An average direct flight from Oregon to Southeast Asia takes 25h 42m, covering a distance of 21353 km. The shortest route is Boise (BOI) to Singapore (SIN) with an average flight time of 19h 45m.

  • What is the most popular destination in Southeast Asia?

    Based on KAYAK flight searches, the most popular destination is Singapore (100% of total searches to Southeast Asia).

See more FAQs

Book cheap flights from Oregon to Southeast Asia

Recent return flight deals

4-9Thu
1 stopAir Canada
29h 55mPDX-SIN
25-9Thu
1 stopAir Canada
24h 36mSIN-PDX
S$ 948
4-9Thu
2 stopsAir Canada
27h 50mPDX-SIN
25-9Thu
1 stopAir Canada
24h 36mSIN-PDX
S$ 957
10-5Sat
2 stops
42h 25mPDX-SIN
10-6Tue
1 stop
24h 35mSIN-PDX
S$ 1,040
12-9Fri
2 stops
40h 15mPDX-SIN
23-9Tue
2 stops
23h 28mSIN-PDX
S$ 1,051
28-8Thu
2 stopsDelta
28h 50mPDX-SIN
15-9Mon
2 stopsDelta
26h 43mSIN-PDX
S$ 1,075
15-9Mon
2 stopsDelta
28h 22mBOI-SIN
25-9Thu
2 stopsDelta
30h 29mSIN-BOI
S$ 1,075
28-8Thu
1 stopUnited Airlines
19h 40mPDX-SIN
10-9Wed
1 stopUnited Airlines
18h 58mSIN-PDX
S$ 1,182
28-9Sun
1 stopUnited Airlines
31h 55mPDX-SIN
10-10Fri
1 stopUnited Airlines
18h 42mSIN-PDX
S$ 1,190
8-5Thu
2 stopsKorean Air
25h 00mPDX-SIN
14-5Wed
2 stopsKorean Air
29h 58mSIN-PDX
S$ 1,247
25-4Fri
2 stopsKorean Air
31h 55mPDX-SIN
9-5Fri
2 stopsKorean Air
30h 49mSIN-PDX
S$ 1,251

Search by stops

Search by airline

Search by price

Recent one-way flight deals

15-5Thu
1 stopAir Canada
24h 40mPDX-SIN
S$ 638
15-5Thu
2 stopsKorean Air
44h 54mPDX-SIN
S$ 689
15-5Thu
3 stops
37h 53mPDX-SIN
S$ 831
22-6Sun
1 stopAir Canada
20h 25mPDX-SIN
S$ 965

Search by stops

Search by airline

Search by price

Last minute flights from Oregon to Southeast Asia

Last minute flight, train and bus deals

4-4Fri
multi-stopUnited Airlines
33h 40mPDX-SIN
15-4Tue
multi-stopUnited Airlines
18h 50mSIN-PDX
S$ 7,719
4-4Fri
multi-stopUnited Airlines
33h 40mPDX-SIN
15-4Tue
multi-stopUnited Airlines
27h 00mSIN-PDX
S$ 7,725
4-4Fri
multi-stop
33h 40mPDX-SIN
14-4Mon
multi-stop
22h 50mSIN-PDX
S$ 9,508
4-4Fri
multi-stopUnited Airlines
29h 24mPDX-SIN
15-4Tue
multi-stopUnited Airlines
26h 09mSIN-PDX
S$ 10,305
4-4Fri
multi-stop
29h 36mPDX-SIN
14-4Mon
multi-stop
45h 17mSIN-PDX
S$ 15,644
3-4Thu
multi-stopDelta
31h 41mPDX-SIN
15-4Tue
multi-stopDelta
32h 23mSIN-PDX
S$ 17,262

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to Southeast Asia

Cabin class types available on flights to Oregon

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

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.