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Cheap flights from Oregon to Singapore from S$ 558

PDX — SIN
17 Oct — 24 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Oregon to Singapore

Enter your travel dates to find the best prices.

Cheapest flights from Oregon to Singapore

Tue 3-1115:20 -
1 stop23h 40m
Tue 17-1108:40 -
1 stop28h 06m
Deal found 16-9S$ 1,140
Wed 28-1007:05 -
1 stop32h 55m
Sun 22-1108:40 -
2 stops32h 04m
Deal found 16-9S$ 1,184
Sun 27-919:45 -
1 stop18h 30m
Thu 1-1007:00 -
1 stop17h 31m
Deal found 14-9S$ 1,188
Thu 24-919:45 -
1 stop18h 30m
Thu 8-1007:00 -
1 stop27h 11m
Deal found 15-9S$ 1,195
Sun 29-1119:10 -
1 stop19h 50m
Fri 11-1208:40 -
2 stops32h 03m
Deal found 13-9S$ 1,232
Thu 22-1015:30 -
1 stop22h 45m
Thu 29-1008:40 -
1 stop21h 01m
Deal found 14-9S$ 1,236
Sat 7-1123:30 -
2 stops39h 30m
Fri 13-1108:40 -
1 stop25h 51m
Deal found 14-9S$ 1,241
Tue 10-1119:30 -
2 stops39h 55m
Tue 17-1103:25 -
2 stops30h 05m
Deal found 16-9S$ 1,347
Tue 10-1110:13 -
2 stops31h 32m
Wed 18-1120:15 -
2 stops40h 18m
Deal found 13-9S$ 1,353
Tue 20-1008:57 -
2 stops40h 48m
Wed 28-1003:15 -
2 stops32h 05m
Deal found 14-9S$ 1,354
Thu 29-1008:57 -
2 stops39h 58m
Wed 4-1103:15 -
2 stops33h 18m
Deal found 14-9S$ 1,370
Wed 28-1010:06 -
2 stops28h 54m
Wed 4-1108:15 -
2 stops21h 12m
Deal found 13-9S$ 1,395

Find flight deals from Oregon to Singapore

Round-trip from

S$ 1,140

One-way from

S$ 558

Popular in

December

Cheapest in

April

Average price

S$ 1,333
Air Canada
  • Air Canada
  • 3-11-17-11
  • 2 total stops
  • 51h 46m total
  • Oregon to Singapore
Search Deals
12-1-31-12
  • 12-1-31-12
  • 1 total stop
  • 32h 55m total
  • Oregon to Singapore
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (S$ 90 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (S$ 43 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Oregon to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Sun 1-11

15:20-07:00

1 stop23h 40m

Singapore Changi

Wed 31-12

00:00-08:30

Nonstop0h 00m

S$ 636

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Sun 1-11

07:04-02:45

3 stops51h 41m

Singapore Changi

Wed 31-12

00:00-08:30

Nonstop0h 00m

S$ 658

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Tue 13-10

12:18-21:15

2 stops41h 57m

Singapore Changi

Wed 31-12

00:00-08:30

Nonstop0h 00m

S$ 672

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Sun 10-1

06:25-08:45

2 stops34h 20m

Singapore Changi

Wed 31-12

00:00-08:30

Nonstop0h 00m

S$ 707

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Tue 1-12

16:35-19:05

2 stops34h 30m

Singapore Changi

Wed 31-12

00:00-08:30

Nonstop0h 00m

S$ 710

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Tue 13-10

18:18-18:45

3 stops33h 27m

Singapore Changi

Wed 31-12

00:00-08:30

Nonstop0h 00m

S$ 729

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Fri 15-1

07:30-08:45

2 stops33h 15m

Singapore Changi

Wed 31-12

00:00-08:30

Nonstop0h 00m

S$ 758

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Sun 29-11

14:15-05:00

2 stops46h 45m

Singapore Changi

Wed 31-12

00:00-08:30

Nonstop0h 00m

S$ 765
Fastest return journey

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Wed 21-10

19:29-06:15

1 stop19h 46m

Singapore Changi

Wed 31-12

00:00-08:30

Nonstop0h 00m

S$ 864

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Thu 22-10

07:00-18:35

1 stop20h 35m

Singapore Changi

Wed 31-12

00:00-08:30

Nonstop0h 00m

S$ 864

Flights are sorted by cheapest return flights first.

Deals found on 17-9

Showing 1-10 of 35 resultsSorted by cheapest first
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Best time to book a flight from Oregon to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Oregon with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Oregon to Singapore

What is the cheapest month to book a flight from Oregon to Singapore?

Currently, April is the cheapest month in which you can book a flight from Oregon to Singapore (average of S$ 1,269). Flying from Oregon to Singapore in December is currently the most expensive (average of S$ 1,799). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Oregon to Singapore?

Airfare is below average for this route at the moment.
Oregon to Singapore flights typically cost between S$ 1,212 and S$ 1,361 in November.
The cheapest return price found within the last 5 days was S$ 1,140 on Air Canada (3 Nov–17 Nov).

How far ahead should I book a flight from Oregon to Singapore?

The price you pay for your flight from Oregon to Singapore may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

  • What airport do you fly into for flights to Singapore from Oregon?

    Located just 16.9 km from the city centre, Singapore Changi (SIN) is the airport most travelers will use when flying to Singapore from Oregon.

  • How long is the flight from Oregon to Singapore?

    For as low as S$ 1,450, Qatar Airways can have you in Singapore from Oregon in 18h 30m. The distance between Oregon and Singapore is about 13073 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Oregon to Singapore?

    The most popular route from Oregon to Singapore is Portland - Singapore Changi. You may also consider Boise Air Term. Gowen Fld - Singapore Changi or Eugene - Singapore Changi.

  • Can I find deals for flights from Oregon to Singapore that include hotel bookings?

    Yes. In addition to deals on Oregon to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Singapore.

  • Can I find deals for business class flights from Oregon to Singapore?

    Yes. Cheapflights offers flight deals from Oregon to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to Singapore?

    Currently, April is the cheapest month in which you can book a flight from Oregon to Singapore (average of S$ 1,269). Flying from Oregon to Singapore in December is currently the most expensive (average of S$ 1,799). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Deals for Oregon to Singapore flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Oregon to Singapore?

Cheapflights helps you find that perfect flight to Singapore from Oregon by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Oregon to Singapore flexibly with Cheapflights today.

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Yes! Start tracking prices for Oregon to Singapore flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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