What airlines fly to Singapore?

Air Canada, Singapore Airlines and United Airlines are the top three most popular airlines that fly to Singapore from Portland according to our data. Air Canada is the first choice among our users, with 39% 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.

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

Philippine Airlines and Air Canada are the most popular carriers operating from Portland to Singapore

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

Prices for flights from Portland Airport to Singapore were last updated today.

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

As of September 2026, there are 3 operators available to choose from for flights from Portland Airport to Singapore.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Singapore.

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

The travel and health documents required for your trip to Singapore can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Singapore. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$415 Cheap Flights from Portland to Singapore in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Singapore

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

23h 45m1 stop Vancouver Intl

8:40 am - 9:26 amSIN Singapore Changi-PDX Portland

16h 46m1 stop Vancouver Intl

$895Air Canada

Tue, Nov 3 - Tue, Nov 17

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

19h 50m1 stop Vancouver Intl

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

25h 51m1 stop Vancouver Intl

$895Air Canada

Thu, Jan 21 - Thu, Feb 11

10:10 am - 5:15 amPDX Portland-SIN Singapore Changi

28h 05m1 stop Vancouver Intl

7:00 am - 2:46 pmSIN Singapore Changi-PDX Portland

22h 46m1 stop Vancouver Intl

$905Air Canada

Tue, Sep 22 - Tue, Sep 29

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

19h 50m1 stop Vancouver Intl

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

25h 51m1 stop Vancouver Intl

$954Singapore Airlines

Tue, Jan 12 - Tue, Jan 19

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

19h 50m1 stop Vancouver Intl

8:40 am - 8:46 pmSIN Singapore Changi-PDX Portland

28h 06m1 stop Vancouver Intl

$954Multiple Airlines

Wed, Jan 13 - Tue, Jan 19

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

19h 50m1 stop Vancouver Intl

8:40 am - 9:26 amSIN Singapore Changi-PDX Portland

16h 46m1 stop Vancouver Intl

$954Multiple Airlines

Thu, Jan 14 - Tue, Jan 19

5:30 am - 6:35 pmPDX Portland-SIN Singapore Changi

22h 05m1 stop San Francisco

8:35 pm - 10:10 amSIN Singapore Changi-PDX Portland

28h 35m1 stop San Francisco

$1,146United Airlines

Mon, Oct 5 - Sat, Oct 10

7:29 pm - 6:15 amPDX Portland-SIN Singapore Changi

19h 46m1 stop San Francisco

8:45 am - 9:00 pmSIN Singapore Changi-PDX Portland

27h 15m1 stop San Francisco

$1,146United Airlines

Mon, Sep 28 - Sun, Oct 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

$1,607Singapore Airlines

Sun, Dec 20 - Sat, Jan 2

2:30 pm - 7:55 amPDX Portland-SIN Singapore Changi

25h 25m1 stop Los Angeles

8:45 pm - 9:33 amSIN Singapore Changi-PDX Portland

28h 48m1 stop Los Angeles

$2,297Singapore Airlines

Tue, Dec 15 - Mon, Dec 21

Cheap last minute flights

Enter your travel dates to find the best prices.

11:02 pm - 5:15 amPDX Portland-SIN Singapore Changi

39h 13m2 stops Chicago O'Hare Intl Vancouver Intl

7:00 am - 9:31 amSIN Singapore Changi-PDX Portland

17h 31m1 stop Vancouver Intl

$956Air Canada

Wed, Sep 9 - Thu, Sep 17

11:02 pm - 5:15 amPDX Portland-SIN Singapore Changi

39h 13m2 stops Chicago O'Hare Intl Vancouver Intl

7:00 am - 6:19 pmSIN Singapore Changi-PDX Portland

26h 19m2 stops Vancouver Intl San Francisco

$984Air Canada

Wed, Sep 9 - Thu, Sep 17

8:14 am - 3:45 pmPDX Portland-SIN Singapore Changi

40h 31m2 stops Seattle/Tacoma Intl Doha Hamad Intl

3:15 am - 4:50 pmSIN Singapore Changi-PDX Portland

28h 35m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,025Qatar Airways

Thu, Sep 10 - Tue, Sep 22

5:30 am - 6:35 pmPDX Portland-SIN Singapore Changi

22h 05m1 stop San Francisco

8:45 am - 2:57 pmSIN Singapore Changi-PDX Portland

21h 12m1 stop San Francisco

$1,146United Airlines

Thu, Sep 10 - Wed, Sep 23

7:00 am - 6:35 pmPDX Portland-SIN Singapore Changi

20h 35m1 stop San Francisco

8:35 pm - 12:37 amSIN Singapore Changi-PDX Portland

19h 02m1 stop San Francisco

$1,147United Airlines

Wed, Sep 9 - Thu, Sep 17

7:15 pm - 6:15 amPDX Portland-SIN Singapore Changi

20h 00m1 stop San Francisco

8:45 am - 2:57 pmSIN Singapore Changi-PDX Portland

21h 12m1 stop San Francisco

$1,147United Airlines

Thu, Sep 10 - Wed, Sep 23

1:03 pm - 6:15 amPDX Portland-SIN Singapore Changi

26h 12m1 stop San Francisco

8:45 am - 9:07 pmSIN Singapore Changi-PDX Portland

27h 22m2 stops San Francisco Denver Intl

$1,151United Airlines

Thu, Sep 10 - Wed, Sep 23

2:30 pm - 1:15 pmPDX Portland-SIN Singapore Changi

31h 45m3 stops Calgary Vancouver Intl Manila Ninoy Aquino Intl

2:00 pm - 10:01 pmSIN Singapore Changi-PDX Portland

23h 01m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,167Multiple Airlines

Thu, Sep 10 - Wed, Sep 23

11:48 am - 11:25 amPDX Portland-SIN Singapore Changi

32h 37m3 stops Chicago O'Hare Intl Doha Hamad Intl Kuala Lumpur Intl

9:15 pm - 5:40 pmSIN Singapore Changi-PDX Portland

35h 25m2 stops Kuala Lumpur Intl London Heathrow

$3,016Malaysia Airlines

Wed, Sep 9 - Thu, Sep 17

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Air Canada flights from Portland to Singapore

Our best Air Canada deals on Portland to Singapore flight tickets

Air Canada

Nov 3

PDX3:15 pmPortland

23h 45m

1 stop

SIN7:00 amSingapore Changi

Nov 17

SIN8:40 amSingapore Changi

16h 46m

1 stop

PDX9:26 amPortland

$895

Air Canada

Sep 22

PDX10:10 amPortland

28h 05m

1 stop

SIN5:15 amSingapore Changi

Oct 1

SIN7:00 amSingapore Changi

22h 46m

1 stop

PDX2:46 pmPortland

$905

Air Canada

Nov 3

PDX9:00 amPortland

30h 00m

2 stops

SIN7:00 amSingapore Changi

Nov 17

SIN8:40 amSingapore Changi

22h 01m

1 stop

PDX2:41 pmPortland

$909

Qatar Airways flights from Portland to Singapore

Our best Qatar Airways deals on Portland to Singapore flight tickets

Qatar Airways

Feb 1

PDX7:30 amPortland

33h 15m

2 stops

SIN8:45 amSingapore Changi

Feb 14

SIN3:15 amSingapore Changi

33h 58m

2 stops

PDX9:13 pmPortland

$1,002

Qatar Airways

Sep 10

PDX8:14 amPortland

40h 31m

2 stops

SIN3:45 pmSingapore Changi

Sep 22

SIN3:15 amSingapore Changi

28h 35m

2 stops

PDX4:50 pmPortland

$1,025

Qatar Airways

Oct 15

PDX9:31 amPortland

44h 44m

2 stops

SIN9:15 pmSingapore Changi

Oct 21

SIN3:15 amSingapore Changi

34h 47m

2 stops

PDX11:02 pmPortland

$1,030

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Tue 11/3

3:15 pm-7:00 am

1 stop23h 45m

Singapore Changi

Tue 11/17

8:40 am-9:26 am

1 stop16h 46m

$895

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Thu 1/21

7:10 pm-7:00 am

1 stop19h 50m

Singapore Changi

Thu 2/11

8:40 am-6:31 pm

1 stop25h 51m

$895

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Tue 9/22

10:10 am-5:15 am

1 stop28h 05m

Singapore Changi

Tue 9/29

7:00 am-2:46 pm

1 stop22h 46m

$905

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Tue 1/12

7:10 pm-7:00 am

1 stop19h 50m

Singapore Changi

Tue 1/19

8:40 am-6:31 pm

1 stop25h 51m

$954

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Wed 1/13

7:10 pm-7:00 am

1 stop19h 50m

Singapore Changi

Tue 1/19

8:40 am-8:46 pm

1 stop28h 06m

$954

Quickest round-trip

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Thu 1/14

7:10 pm-7:00 am

1 stop19h 50m

Singapore Changi

Tue 1/19

8:40 am-9:26 am

1 stop16h 46m

$954

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Mon 10/5

5:30 am-6:35 pm

1 stop22h 05m

Singapore Changi

Sat 10/10

8:35 pm-10:10 am

1 stop28h 35m

$1,146

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Mon 9/28

7:29 pm-6:15 am

1 stop19h 46m

Singapore Changi

Sun 10/11

8:45 am-9:00 pm

1 stop27h 15m

$1,146

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Sun 12/20

3:15 pm-7:00 am

1 stop23h 45m

Singapore Changi

Sat 1/2

8:40 am-6:31 pm

1 stop25h 51m

$1,607

PortlandSingapore

PDX Portland - SIN Singapore Changi

PDXSIN

Portland

Tue 12/15

2:30 pm-7:55 am

1 stop25h 25m

Singapore Changi

Mon 12/21

8:45 pm-9:33 am

1 stop28h 48m

$2,297

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 Portland 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

What is the cheapest month to fly to Singapore?

The month of January is, on average, the cheapest month to fly to Singapore from Portland, with most prices found around $904. If you aren’t able to travel to Singapore during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $996.

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

You are more likely to see cheaper flights to Singapore from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,113 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Portland for as low as $920 on momondo.

Can stopping save me money on Portland to Singapore flights?

You could potentially save up to 27% on your flight if you consider stops on a Portland to Singapore flight.

Cheap Portland to Singapore flight deals and tips

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

Best Price Found	$415
Fastest flight time	22h 05m
Direct flights	None

The best one-way flight to Singapore from Portland in the past 72 hours is $415. The best round-trip flight deal from Portland to Singapore found on momondo in the last 72 hours is $895.

The fastest flight from Portland to Singapore takes 22h 05m

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

Search flight deals

Frequently asked questions about flying from Portland to Singapore

When did momondo last update prices for flights from Portland Airport to Singapore?
Prices for flights from Portland Airport to Singapore were last updated today.
How many operators does momondo search for flights from Portland Airport to Singapore?
As of September 2026, there are 3 operators available to choose from for flights from Portland Airport to Singapore.
How old do you have to be to fly from Portland Airport to Singapore?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Singapore.
What documentation or ID do you need to fly to Singapore?
The travel and health documents required for your trip to Singapore can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Singapore. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland to Singapore

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $735	Free Cancellation	Rating 7.1 11,586 reviews	Search Air Canada flights
Singapore Airlines	PriceFrom $789	Free Cancellation	Rating 8.2 1,593 reviews	Search Singapore Airlines flights
United Airlines	PriceFrom $1,024	Free Cancellation	Rating 7.4 10,172 reviews	Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Portland to Singapore flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Singapore that suits you.

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

Yes. momondo allows you to filter the results for Portland to Singapore flights to just show those with flexible booking policies.

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

Once you have performed a search for Portland to Singapore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Portland to Singapore flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Singapore trip

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Flights to Singaporefrom $594

Cheap flights from Portland to Singapore from $415

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Singapore departing on 1/16. 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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Air Canada flights from Portland to Singapore

Our best Air Canada deals on Portland to Singapore flight tickets

Qatar Airways flights from Portland to Singapore

Our best Qatar Airways deals on Portland to Singapore flight tickets

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

See travel insights to Singapore from

How to get the cheapest flight ticket from Portland to Singapore

What is the cheapest month to fly to Singapore?

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

Can stopping save me money on Portland to Singapore flights?

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

What airlines fly to Singapore?

Cheap Portland to Singapore flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland to Singapore

Best airlines flying from Portland to Singapore

Compare and see reviews for airlines that fly from Portland 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

Popular cities in Singapore

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

Portland flight routes

According to popular flight searches on momondo this year

Singapore flight routes

According to popular flight searches on momondo this year

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.

Complete your trip to Singapore

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According to popular flight searches on momondo this year