How long is the flight from Oregon to Singapore?

Flight times from Oregon to Singapore vary, but if you’re flying out of Eugene and flying into Singapore (one of the most popular routes), then the duration is 20h 44m on average. Another popular route from Oregon to Singapore is flying from Portland to Singapore, which will take roughly 22h 35m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Singapore?

United Airlines, Air Canada and Singapore Airlines are the top three most popular airlines that fly to Singapore from Oregon according to our data. United Airlines is the first choice among our users, with 42% 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.

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

Air Canada, United Airlines, and Delta are the most popular carriers operating from Oregon to Singapore

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

Prices for flights from Oregon to Singapore refresh daily.

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

There are 5 operators available for flights from Oregon to Singapore as of August 2025.

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

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.

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

The travel and health documents you'll need for your trip to Singapore may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$447 Cheap Flights from Oregon to Singapore in 2025

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Find the cheapest flights from Oregon to Singapore

Round-trip

One-way

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Cheap round-trip flights

10:00 am - 7:05 amPDX-SIN

30h 05m1 stop

9:10 am - 6:46 pmSIN-PDX

24h 36m1 stop

$718Air Canada

Find Deal

Tue, Sep 16 - Tue, Sep 30

9:50 am - 7:00 amPDX-SIN

30h 10m1 stop

9:00 pm - 2:45 pmSIN-PDX

33h 45m2 stops

$720Air Canada

Find Deal

Tue, Oct 28 - Tue, Nov 11

11:59 pm - 7:05 amPDX-SIN

40h 06m2 stops

6:35 am - 6:30 pmSIN-PDX

26h 55m2 stops

$763

Find Deal

Wed, Oct 15 - Wed, Oct 29

11:59 pm - 7:05 amPDX-SIN

40h 06m2 stops

9:10 am - 11:01 pmSIN-PDX

28h 51m1 stop

$780

Find Deal

Wed, Oct 15 - Sun, Oct 19

5:35 pm - 7:50 amPDX-SIN

23h 15m1 stop

9:15 am - 1:35 pmSIN-PDX

19h 20m1 stop

$829Singapore Airlines

Find Deal

Wed, Sep 17 - Tue, Sep 30

2:50 pm - 5:15 amPDX-SIN

23h 25m1 stop

9:15 am - 1:35 pmSIN-PDX

19h 20m1 stop

$837Singapore Airlines

Find Deal

Wed, Sep 17 - Tue, Sep 30

8:55 am - 5:00 amPDX-SIN

29h 05m2 stops

1:10 am - 5:10 pmSIN-PDX

31h 00m2 stops

$841Delta

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Thu, Sep 4 - Wed, Sep 24

9:17 am - 11:40 pmPDX-SIN

23h 23m2 stops

1:30 am - 12:49 pmSIN-PDX

26h 19m2 stops

$846Korean Air

Find Deal

Wed, Oct 15 - Tue, Oct 28

5:30 am - 11:40 pmPDX-SIN

27h 10m2 stops

7:30 am - 4:59 pmSIN-PDX

24h 29m2 stops

$866Delta

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Tue, Aug 26 - Fri, Aug 29

7:10 am - 12:10 amPDX-SIN

25h 00m2 stops

1:30 am - 1:14 pmSIN-PDX

27h 44m2 stops

$871Korean Air

Find Deal

Mon, Jan 5 - Fri, Jan 16

Singapore Airlines flights from Oregon to Singapore

Our best Singapore Airlines deals on Oregon to Singapore flight tickets

Singapore Airlines

Sep 17

PDX5:35 pmPortland

23h 15m

1 stop

SIN7:50 amSingapore Changi

Sep 30

SIN9:15 amSingapore Changi

19h 20m

1 stop

PDX1:35 pmPortland

$829

Find similar

Singapore Airlines

Sep 17

PDX2:50 pmPortland

23h 25m

1 stop

SIN5:15 amSingapore Changi

Sep 30

SIN9:15 amSingapore Changi

19h 20m

1 stop

PDX1:35 pmPortland

$837

Find similar

Singapore Airlines

Sep 10

PDX2:50 pmPortland

23h 25m

1 stop

SIN5:15 amSingapore Changi

Sep 17

SIN8:45 pmSingapore Changi

27h 40m

1 stop

PDX9:25 amPortland

$855

Find similar

Japan Airlines flights from Oregon to Singapore

Our best Japan Airlines deals on Oregon to Singapore flight tickets

Japan Airlines

Sep 17

PDX11:03 amPortland

22h 17m

2 stops

SIN12:20 amSingapore Changi

Sep 29

SIN1:55 amSingapore Changi

34h 21m

2 stops

PDX9:16 pmPortland

$920

Find similar

Japan Airlines

Sep 16

PDX8:31 amPortland

41h 59m

2 stops

SIN5:30 pmSingapore Changi

Sep 29

SIN1:55 amSingapore Changi

34h 21m

2 stops

PDX9:16 pmPortland

$956

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 9/16

10:00 am-7:05 am

1 stop30h 05m

Singapore Changi

Tue 9/30

9:10 am-6:46 pm

1 stop24h 36m

$718

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 10/28

9:50 am-7:00 am

1 stop30h 10m

Singapore Changi

Tue 11/11

9:00 pm-2:45 pm

2 stops33h 45m

$720

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 10/15

11:59 pm-7:05 am

2 stops40h 06m

Singapore Changi

Wed 10/29

6:35 am-6:30 pm

2 stops26h 55m

$763

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 10/15

11:59 pm-7:05 am

2 stops40h 06m

Singapore Changi

Sun 10/19

9:10 am-11:01 pm

1 stop28h 51m

$780

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 9/17

5:35 pm-7:50 am

1 stop23h 15m

Singapore Changi

Tue 9/30

9:15 am-1:35 pm

1 stop19h 20m

$829

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 9/17

2:50 pm-5:15 am

1 stop23h 25m

Singapore Changi

Tue 9/30

9:15 am-1:35 pm

1 stop19h 20m

$837

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 9/4

8:55 am-5:00 am

2 stops29h 05m

Singapore Changi

Wed 9/24

1:10 am-5:10 pm

2 stops31h 00m

$841

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 10/15

9:17 am-11:40 pm

2 stops23h 23m

Singapore Changi

Tue 10/28

1:30 am-12:49 pm

2 stops26h 19m

$846

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 8/26

5:30 am-11:40 pm

2 stops27h 10m

Singapore Changi

Fri 8/29

7:30 am-4:59 pm

2 stops24h 29m

$866

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 1/5

7:10 am-12:10 am

2 stops25h 00m

Singapore Changi

Fri 1/16

1:30 am-1:14 pm

2 stops27h 44m

$871

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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 November is also cheap. Prices for this month can be found on momondo for an average of $865.

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Oregon to Singapore is on a Tuesday when prices can be found for as low as $1,256. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,673.

What is the cheapest time of day to depart on your flight to Singapore?

At noon is the cheapest time of day to fly from Oregon to Singapore when you can find flight prices for as low as $1,121. Flying to Singapore at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,334 on average. Flights to Singapore from Oregon in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,038 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 $774 on momondo.

Can stopping save me money on Oregon to Singapore flights?

You could potentially save up to 24% 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

Best Price Found	$447
Fastest flight time	20h 00m
Direct flights	None
Airports in Singapore	1 airport

The best one-way flight to Singapore from Oregon in the past 72 hours is $447. The best round-trip flight deal from Oregon to Singapore found on momondo in the last 72 hours is $718.

The fastest flight from Oregon to Singapore takes 20h 00m

There are no direct flights from Oregon to Singapore. Popular non-direct route for this connection is Portland Airport - Singapore Changi Airport.

There is 1 airport near Singapore: Singapore Changi (SIN)

Search flight deals

When did momondo last update prices for flights from Oregon to Singapore?
Prices for flights from Oregon to Singapore refresh daily.
How many operators does momondo search for flights from Oregon to Singapore?
There are 5 operators available for flights from Oregon to Singapore as of August 2025.
How old do you have to be to fly from Oregon to Singapore?
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.
What documentation or ID do you need to fly to Singapore?
The travel and health documents you'll need for your trip to Singapore may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore. It is always advisable to seek 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 9,949 reviews	Search Air Canada flights
United Airlines	PriceFrom $796	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights
Delta	PriceFrom $800	Free Cancellation	Rating 8.0 7,980 reviews	Search Delta flights
Korean Air	PriceFrom $808	Free Cancellation	Rating 8.4 1,131 reviews	Search Korean Air flights
Singapore Airlines	PriceFrom $911	Free Cancellation	Rating 8.1 1,346 reviews	Search Singapore Airlines flights

Why use momondo?

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

Finding the right flight to Singapore from Oregon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Singapore quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Singapore from Oregon with this policy.

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 offers price alerts on flights to Singapore from Oregon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Oregon to Singapore from $447

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 9/18. 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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Big names and deals

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Filter for what you want

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Find the cheapest flights from Oregon to Singapore

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Singapore Airlines flights from Oregon to Singapore

Our best Singapore Airlines deals on Oregon to Singapore flight tickets

Japan Airlines flights from Oregon to Singapore

Our best Japan Airlines deals on Oregon to Singapore flight tickets

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

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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

What is the cheapest month to fly to Singapore?

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Oregon to Singapore is on a Tuesday when prices can be found for as low as $1,256. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,673.

What is the cheapest time of day to depart on your flight to Singapore?

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

Can stopping save me money on Oregon to Singapore flights?

You could potentially save up to 24% on your flight if you consider stops on a Oregon to Singapore flight.

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

Air Canada, United Airlines, and Delta are the most popular carriers operating from Oregon to Singapore

What airlines fly to Singapore?

How long is the flight from Oregon 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

Best Price Found

Fastest flight time

Direct flights

Airports in Singapore

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

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

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

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

Best airlines flying from Oregon to Singapore

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

Why use momondo?

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

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

How can momondo help me find flights 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?

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

Popular cities in Singapore

Popular flights according to clicks in the last 7 days on momondo