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 19h 56m on average. If you fly from Eugene (another popular airport in Oregon) to Singapore, then the average flight time is 24h 14m.

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

Cathay Pacific and Delta 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 40% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 3 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

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 3 operators available for flights from Oregon to Singapore Changi Airport as of November 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.

$439 Cheap Flights from Oregon to Singapore in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Singapore

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:40 am - 8:45 amPDX Portland-SIN Singapore Changi

30h 05m2 stops Seattle/Tacoma Intl Doha Hamad Intl

3:15 am - 6:33 pmSIN Singapore Changi-PDX Portland

31h 18m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,063Qatar Airways

Mon, Mar 1 - Sun, Mar 7

12:23 pm - 2:55 pmPDX Portland-SIN Singapore Changi

34h 32m2 stops Seattle/Tacoma Intl Doha Hamad Intl

3:15 am - 6:33 pmSIN Singapore Changi-PDX Portland

31h 18m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,063Qatar Airways

Mon, Feb 1 - Sun, Feb 14

5:35 pm - 10:25 amPDX Portland-SIN Singapore Changi

25h 50m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

6:15 am - 6:25 pmSIN Singapore Changi-PDX Portland

27h 10m2 stops Tokyo Narita Vancouver Intl

$1,063Multiple Airlines

Sun, Apr 25 - Mon, May 3

5:30 am - 8:15 pmPDX Portland-SIN Singapore Changi

22h 45m1 stop San Francisco

10:10 am - 9:01 pmSIN Singapore Changi-PDX Portland

26h 51m1 stop San Francisco

$1,149United Airlines

Thu, Jan 21 - Thu, Feb 11

5:30 am - 8:15 pmPDX Portland-SIN Singapore Changi

22h 45m1 stop San Francisco

10:10 am - 9:01 pmSIN Singapore Changi-PDX Portland

26h 51m1 stop San Francisco

$1,150United Airlines

Thu, Jan 21 - Thu, Feb 11

5:30 am - 8:15 pmPDX Portland-SIN Singapore Changi

22h 45m1 stop San Francisco

10:10 am - 9:01 pmSIN Singapore Changi-PDX Portland

26h 51m1 stop San Francisco

$1,200United Airlines

Thu, Jan 21 - Thu, Feb 11

3:15 pm - 7:00 amPDX Portland-SIN Singapore Changi

23h 45m1 stop Vancouver Intl

8:40 am - 6:31 pmSIN Singapore Changi-PDX Portland

25h 51m1 stop Vancouver Intl

$1,959Air Canada

Thu, Dec 10 - Fri, Dec 25

3:15 pm - 12:45 amPDX Portland-SIN Singapore Changi

41h 30m2 stops Vancouver Intl Tokyo Narita

1:15 pm - 9:26 amSIN Singapore Changi-PDX Portland

36h 11m2 stops Bangkok Suvarnabhumi Vancouver Intl

$2,088Air Canada

Tue, Dec 22 - Tue, Jan 5

3:15 pm - 7:00 amPDX Portland-SIN Singapore Changi

23h 45m1 stop Vancouver Intl

9:00 pm - 2:41 pmSIN Singapore Changi-PDX Portland

33h 41m2 stops Bangkok Suvarnabhumi Vancouver Intl

$2,272Air Canada

Tue, Dec 22 - Sat, Jan 9

5:30 am - 8:15 pmPDX Portland-SIN Singapore Changi

22h 45m1 stop San Francisco

10:10 am - 2:38 pmSIN Singapore Changi-PDX Portland

20h 28m1 stop San Francisco

$2,311Singapore Airlines

Sat, Nov 28 - Mon, Dec 7

Cheap last minute flights

Enter your travel dates to find the best prices.

5:45 pm - 1:10 pmPDX Portland-SIN Singapore Changi

27h 25m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

11:45 pm - 6:31 pmSIN Singapore Changi-PDX Portland

34h 46m2 stops Munich Franz Josef Strauss Vancouver Intl

$1,068Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

9:59 pm - 11:40 pmPDX Portland-SIN Singapore Changi

33h 41m2 stops Seattle/Tacoma Intl Tokyo Narita

11:10 pm - 5:23 pmSIN Singapore Changi-PDX Portland

34h 13m2 stops Incheon Intl Seattle/Tacoma Intl

$1,096Multiple Airlines

Sun, Nov 15 - Wed, Nov 25

7:08 am - 12:45 amPDX Portland-SIN Singapore Changi

25h 37m2 stops Seattle/Tacoma Intl Tokyo Narita

6:35 am - 1:28 pmSIN Singapore Changi-PDX Portland

22h 53m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,101Multiple Airlines

Sun, Nov 15 - Tue, Dec 8

7:10 am - 8:15 pmPDX Portland-SIN Singapore Changi

21h 05m1 stop San Francisco

10:10 am - 10:46 pmSIN Singapore Changi-PDX Portland

28h 36m1 stop San Francisco

$1,142United Airlines

Wed, Nov 11 - Mon, Nov 23

5:30 am - 8:15 pmPDX Portland-SIN Singapore Changi

22h 45m1 stop San Francisco

10:10 am - 9:02 pmSIN Singapore Changi-PDX Portland

26h 52m1 stop San Francisco

$1,142United Airlines

Wed, Nov 11 - Mon, Nov 23

7:26 pm - 8:00 amPDX Portland-SIN Singapore Changi

20h 34m1 stop San Francisco

10:10 am - 2:34 pmSIN Singapore Changi-PDX Portland

20h 24m1 stop San Francisco

$1,142United Airlines

Wed, Nov 11 - Mon, Nov 23

5:04 pm - 3:40 pmPDX Portland-SIN Singapore Changi

30h 36m2 stops Los Angeles Hong Kong Intl

8:20 pm - 2:15 pmSIN Singapore Changi-PDX Portland

33h 55m2 stops Hong Kong Intl Los Angeles

$1,159Multiple Airlines

Wed, Nov 11 - Mon, Nov 23

7:10 pm - 7:00 amPDX Portland-SIN Singapore Changi

19h 50m1 stop Vancouver Intl

11:10 pm - 6:31 pmSIN Singapore Changi-PDX Portland

35h 21m2 stops Incheon Intl Vancouver Intl

$1,199Air Canada

Sun, Nov 15 - Wed, Nov 25

7:10 pm - 6:55 amPDX Portland-SIN Singapore Changi

43h 45m2 stops Vancouver Intl Tokyo Haneda

11:10 pm - 8:46 pmSIN Singapore Changi-PDX Portland

37h 36m2 stops Incheon Intl Vancouver Intl

$1,218Air Canada

Sun, Nov 15 - Wed, Nov 25

3:15 pm - 6:55 amPDX Portland-SIN Singapore Changi

47h 40m2 stops Vancouver Intl Tokyo Haneda

11:10 pm - 6:31 pmSIN Singapore Changi-PDX Portland

35h 21m2 stops Incheon Intl Vancouver Intl

$1,268Air Canada

Sat, Nov 14 - Wed, Nov 25

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Qatar Airways flights from Oregon to Singapore

Our best Qatar Airways deals on Oregon to Singapore flight tickets

Qatar Airways

Feb 1

PDX12:23 pmPortland

34h 32m

2 stops

SIN2:55 pmSingapore Changi

Feb 14

SIN3:15 amSingapore Changi

31h 18m

2 stops

PDX6:33 pmPortland

$1,063

Qatar Airways

Jan 21

PDX9:30 pmPortland

43h 15m

2 stops

SIN8:45 amSingapore Changi

Feb 11

SIN8:15 pmSingapore Changi

42h 29m

2 stops

PDX10:44 pmPortland

$1,097

Qatar Airways

Jan 16

PDX9:30 amPortland

37h 25m

2 stops

SIN2:55 pmSingapore Changi

Jan 29

SIN8:15 pmSingapore Changi

38h 34m

2 stops

PDX6:49 pmPortland

$1,129

Air Canada flights from Oregon to Singapore

Our best Air Canada deals on Oregon to Singapore flight tickets

Air Canada

Jan 20

PDX3:15 pmPortland

23h 45m

1 stop

SIN7:00 amSingapore Changi

Mar 1

SIN9:00 pmSingapore Changi

39h 45m

2 stops

PDX8:45 pmPortland

$1,124

Air Canada

Nov 15

PDX7:10 pmPortland

19h 50m

1 stop

SIN7:00 amSingapore Changi

Nov 25

SIN11:10 pmSingapore Changi

35h 21m

2 stops

PDX6:31 pmPortland

$1,199

Air Canada

Nov 15

PDX7:10 pmPortland

43h 45m

2 stops

SIN6:55 amSingapore Changi

Nov 25

SIN11:10 pmSingapore Changi

37h 36m

2 stops

PDX8:46 pmPortland

$1,218

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Mon 3/1

10:40 am-8:45 am

2 stops30h 05m

Singapore Changi

Sun 3/7

3:15 am-6:33 pm

2 stops31h 18m

$1,063

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Mon 2/1

12:23 pm-2:55 pm

2 stops34h 32m

Singapore Changi

Sun 2/14

3:15 am-6:33 pm

2 stops31h 18m

$1,063

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Sun 4/25

5:35 pm-10:25 am

2 stops25h 50m

Singapore Changi

Mon 5/3

6:15 am-6:25 pm

2 stops27h 10m

$1,063

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Thu 1/21

5:30 am-8:15 pm

1 stop22h 45m

Singapore Changi

Thu 2/11

10:10 am-9:01 pm

1 stop26h 51m

$1,149

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Thu 1/21

5:30 am-8:15 pm

1 stop22h 45m

Singapore Changi

Thu 2/11

10:10 am-9:01 pm

1 stop26h 51m

$1,150

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Thu 1/21

5:30 am-8:15 pm

1 stop22h 45m

Singapore Changi

Thu 2/11

10:10 am-9:01 pm

1 stop26h 51m

$1,200

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Thu 12/10

3:15 pm-7:00 am

1 stop23h 45m

Singapore Changi

Fri 12/25

8:40 am-6:31 pm

1 stop25h 51m

$1,959

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Tue 12/22

3:15 pm-12:45 am

2 stops41h 30m

Singapore Changi

Tue 1/5

1:15 pm-9:26 am

2 stops36h 11m

$2,088

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Tue 12/22

3:15 pm-7:00 am

1 stop23h 45m

Singapore Changi

Sat 1/9

9:00 pm-2:41 pm

2 stops33h 41m

$2,272

Quickest round-trip

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Sat 11/28

5:30 am-8:15 pm

1 stop22h 45m

Singapore Changi

Mon 12/7

10:10 am-2:38 pm

1 stop20h 28m

$2,311

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 April is, on average, the cheapest month to fly to Singapore from Oregon, with most prices found around $996. If you aren’t able to travel to Singapore during the month of April, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,000.

Can stopping save me money on Oregon to Singapore flights?

You could potentially save up to 13% 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	$439
Fastest flight time	19h 56m
Direct flights	None

The best one-way flight to Singapore from Oregon in the past 72 hours is $439. The best round-trip flight deal from Oregon to Singapore found on momondo in the last 72 hours is $1,063.

The fastest flight from Oregon to Singapore takes 19h 56m

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

Search flight deals

Frequently asked questions about flying from Oregon to Singapore

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 3 operators available for flights from Oregon to Singapore Changi Airport as of November 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
Singapore Airlines	PriceFrom $789	Free Cancellation	Rating 8.2 1,633 reviews	Search Singapore Airlines flights
Air Canada	PriceFrom $842	Free Cancellation	Rating 7.1 11,880 reviews	Search Air Canada flights
United Airlines	PriceFrom $1,024	Free Cancellation	Rating 7.3 10,475 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 $439

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 2/25. 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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Qatar Airways flights from Oregon to Singapore

Our best Qatar Airways deals on Oregon to Singapore flight tickets

Air Canada flights from Oregon to Singapore

Our best Air Canada deals on Oregon to Singapore flight tickets

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How to get the cheapest flight ticket from Oregon to Singapore

What is the cheapest month to fly 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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Oregon 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?

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.

Fly to other destinations from Oregon

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