What is the cheapest airline that flies from Oregon to Singapore Changi?

ANA, Singapore Airlines, and Asiana Airlines are the most popular carriers operating from Oregon to Singapore Changi

What airlines fly to Singapore?

Air Canada, Singapore Airlines and United Airlines are the top three most popular airlines that fly to Singapore from Oregon according to our data. Air Canada is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 5 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Singapore?

The flight from Oregon to Singapore depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Portland (a popular airport in Oregon) to Singapore (the most popular airport in Singapore), then the flight time is 20h 20m on average. If you fly from Eugene (another popular airport in Oregon) to Singapore, then the average flight time is 20h 35m.

When did momondo last update prices for flights from Oregon to Singapore Changi Airport?

Prices for flights from Oregon to Singapore Changi Airport refresh daily.

How many operators does momondo search for flights from Oregon to Singapore Changi Airport?

There are 5 operators available for flights from Oregon to Singapore Changi Airport as of March 2026.

How old do you have to be to fly from Oregon to Singapore Changi Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Oregon to Singapore Changi Airport.

What documentation or ID do you need to fly to Singapore Changi Airport?

The necessary travel and health documents for your Singapore Changi Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$327 Cheap Flights from Oregon to Singapore in 2026

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Find the cheapest flights from Oregon to Singapore

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:49 pm - 7:50 am

PDX

SIN

23h 01m

1 stop

8:45 pm - 9:38 am

SIN

PDX

27h 53m

1 stop

$846Singapore Airlines

Mon, Apr 27 - Mon, May 4

2:37 pm - 7:50 am

PDX

SIN

26h 13m

1 stop

9:15 am - 1:47 pm

SIN

PDX

19h 32m

1 stop

$883Singapore Airlines

Wed, Apr 15 - Tue, Apr 28

7:14 am - 3:35 pm

PDX

SIN

41h 21m

2 stops

11:10 pm - 11:58 pm

SIN

PDX

39h 48m

2 stops

$890Multiple Airlines

Wed, Apr 1 - Wed, Apr 8

7:00 am - 7:10 pm

PDX

SIN

21h 10m

1 stop

9:00 am - 7:34 pm

SIN

PDX

25h 34m

1 stop

$899Singapore Airlines

Wed, Apr 22 - Sat, May 2

10:30 am - 12:45 am

PDX

SIN

23h 15m

2 stops

7:20 am - 4:30 pm

SIN

PDX

24h 10m

2 stops

$918Cathay Pacific

Tue, Apr 14 - Tue, Apr 21

6:00 am - 12:45 am

PDX

SIN

27h 45m

2 stops

1:25 pm - 9:35 pm

SIN

PDX

23h 10m

2 stops

$922Cathay Pacific

Wed, Apr 15 - Wed, Apr 22

7:05 am - 5:40 am

PDX

SIN

31h 35m

2 stops

8:15 pm - 9:50 am

SIN

PDX

28h 35m

2 stops

$932Multiple Airlines

Wed, Mar 11 - Tue, Mar 17

7:05 am - 12:45 am

PDX

SIN

26h 40m

2 stops

9:45 am - 8:35 pm

SIN

PDX

25h 50m

2 stops

$937Cathay Pacific

Wed, Apr 15 - Tue, Apr 28

3:15 pm - 7:00 am

PDX

SIN

24h 45m

1 stop

7:00 am - 9:10 am

SIN

PDX

17h 10m

1 stop

$943Air Canada

Tue, Mar 17 - Tue, Apr 28

6:04 pm - 12:50 pm

BOI

SIN

28h 46m

2 stops

2:00 pm - 11:02 pm

SIN

BOI

23h 02m

2 stops

$952STARLUX Airlines

Thu, Apr 16 - Thu, Apr 23

ANA flights from Oregon to Singapore

Our best ANA deals on Oregon to Singapore flight tickets

ANA

Mar 4

PDX5:35 amPortland

27h 20m

2 stops

SIN12:55 amSingapore Changi

Mar 11

SIN6:35 amSingapore Changi

27h 12m

2 stops

PDX6:47 pmPortland

$959

ANA

Apr 22

PDX7:15 amPortland

25h 05m

2 stops

SIN11:20 pmSingapore Changi

May 1

SIN12:50 amSingapore Changi

29h 07m

2 stops

PDX2:57 pmPortland

$991

ANA

Aug 11

PDX7:00 amPortland

26h 45m

2 stops

SIN12:45 amSingapore Changi

Sep 1

SIN8:35 pmSingapore Changi

19h 12m

1 stop

PDX12:47 amPortland

$1,032

Qatar Airways flights from Oregon to Singapore

Our best Qatar Airways deals on Oregon to Singapore flight tickets

Qatar Airways

Mar 17

PDX1:36 pmPortland

28h 09m

2 stops

SIN8:45 amSingapore Changi

Apr 27

SIN3:15 amSingapore Changi

28h 36m

2 stops

PDX4:51 pmPortland

$1,016

Qatar Airways

Mar 31

PDX1:35 pmPortland

28h 15m

2 stops

SIN8:50 amSingapore Changi

Apr 6

SIN3:15 amSingapore Changi

35h 29m

2 stops

PDX11:44 pmPortland

$1,047

Qatar Airways

Mar 11

PDX8:30 amPortland

33h 15m

2 stops

SIN8:45 amSingapore Changi

Mar 14

SIN8:15 pmSingapore Changi

34h 33m

2 stops

PDX3:48 pmPortland

$1,177

Fly from

Fly to

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 4/27

5:49 pm-7:50 am

1 stop23h 01m

Singapore Changi

Mon 5/4

8:45 pm-9:38 am

1 stop27h 53m

$846

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 4/15

2:37 pm-7:50 am

1 stop26h 13m

Singapore Changi

Tue 4/28

9:15 am-1:47 pm

1 stop19h 32m

$883

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 4/1

7:14 am-3:35 pm

2 stops41h 21m

Singapore Changi

Wed 4/8

11:10 pm-11:58 pm

2 stops39h 48m

$890

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 4/22

7:00 am-7:10 pm

1 stop21h 10m

Singapore Changi

Sat 5/2

9:00 am-7:34 pm

1 stop25h 34m

$899

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 4/14

10:30 am-12:45 am

2 stops23h 15m

Singapore Changi

Tue 4/21

7:20 am-4:30 pm

2 stops24h 10m

$918

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 4/15

6:00 am-12:45 am

2 stops27h 45m

Singapore Changi

Wed 4/22

1:25 pm-9:35 pm

2 stops23h 10m

$922

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 3/11

7:05 am-5:40 am

2 stops31h 35m

Singapore Changi

Tue 3/17

8:15 pm-9:50 am

2 stops28h 35m

$932

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 4/15

7:05 am-12:45 am

2 stops26h 40m

Singapore Changi

Tue 4/28

9:45 am-8:35 pm

2 stops25h 50m

$937

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 3/17

3:15 pm-7:00 am

1 stop24h 45m

Singapore Changi

Tue 4/28

7:00 am-9:10 am

1 stop17h 10m

$943

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Thu 4/16

6:04 pm-12:50 pm

2 stops28h 46m

Singapore Changi

Thu 4/23

2:00 pm-11:02 pm

2 stops23h 02m

$952

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oregon to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Singapore?

The month of September is, on average, the cheapest month to fly to Singapore from Oregon, with most prices found around $753. If you aren’t able to travel to Singapore during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $837.

How far in advance should I book a flight to Singapore?

You are more likely to see cheaper flights to Singapore from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,013 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Oregon for as low as $778 on momondo.

Can stopping save me money on Oregon to Singapore flights?

You could potentially save up to 25% on your flight if you consider stops on a Oregon to Singapore flight.

Cheap Oregon to Singapore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Singapore

Fastest flight time	20h 20m
Direct flights	None

The fastest flight from Oregon to Singapore takes 20h 20m

There are no direct flights from Oregon to Singapore. There are no popular flight routes from Oregon to Singapore.

Search flight deals

When did momondo last update prices for flights from Oregon to Singapore Changi Airport?
Prices for flights from Oregon to Singapore Changi Airport refresh daily.
How many operators does momondo search for flights from Oregon to Singapore Changi Airport?
There are 5 operators available for flights from Oregon to Singapore Changi Airport as of March 2026.
How old do you have to be to fly from Oregon to Singapore Changi Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Oregon to Singapore Changi Airport.
What documentation or ID do you need to fly to Singapore Changi Airport?
The necessary travel and health documents for your Singapore Changi Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Oregon to Singapore

Compare and see reviews for airlines that fly from Oregon to Singapore with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $694	Free Cancellation	Rating 7.1 10,775 reviews	Search Air Canada flights
Korean Air	PriceFrom $792	Free Cancellation	Rating 8.4 1,195 reviews	Search Korean Air flights
Delta	PriceFrom $803	Free Cancellation	Rating 7.9 8,245 reviews	Search Delta flights
Singapore Airlines	PriceFrom $837	Free Cancellation	Rating 8.2 1,465 reviews	Search Singapore Airlines flights
United Airlines	PriceFrom $880	Free Cancellation	Rating 7.4 9,383 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Singapore?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Oregon to Singapore for you.

Can I find flights from Oregon to Singapore with flexible booking policies on momondo?

momondo does allow users to show only those flights to Singapore from Oregon which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Oregon to Singapore?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Oregon to Singapore.

I’m not ready to book a flight from Oregon to Singapore right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Oregon to Singapore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Oregon to Singapore from $347

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Singapore departing on 3/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Oregon to Singapore

What is the cheapest month to fly to Singapore?

How far in advance should I book a flight to Singapore?

Can stopping save me money on Oregon to Singapore flights?

What is the cheapest airline that flies from Oregon to Singapore Changi?

What airlines fly to Singapore?

How long does it take to fly to Singapore?

Cheap Oregon to Singapore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Singapore

Fastest flight time

Direct flights

Best airlines flying from Oregon to Singapore

Compare and see reviews for airlines that fly from Oregon to Singapore with momondo

Why use momondo?

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Singapore

Fly your favorite airline to Singapore

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Singapore

List of cabin classes available on flights landing in Singapore. Availability may vary depending on flight origin and airline.

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