Are direct flights from Portland to Singapore always the best option?

Direct flights offer convenience and save time, but they are not always the cheapest option. Flights with layovers can sometimes be significantly more affordable. Weigh the trade-off between travel time, convenience, and cost when making your decision.

Can flexible travel dates help on Portland to Singapore flights?

Yes, being flexible with your travel dates can often lead to finding cheaper flights. Prices for airfare can vary significantly depending on the day of the week or time of year. Adjusting your departure or return dates by even a few days may result in notable savings.

What extra costs should I check before booking Portland to Singapore flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines, especially budget carriers, may charge separately for these amenities. Also, consider any potential visa fees or travel insurance.

Flights From Portland

To Singapore

Cheap Flights from Portland to Singapore

Browse current best options from Portland. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Portland

RatePunk searches hundreds of travel sites at once for deals on flights to Singapore

Prices updated 4 days ago

458 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 7, 2026.)

Today’s best flight deals from Portland to Singapore

Explore current cheapest deals departing from Portland to Singapore

2026-11-05 – 2026-11-12
PDX - Singapore
90% AI deal score
$1,105
$891
Round trip
2027-02-04 – 2027-02-11
PDX - Singapore
90% AI deal score
$1,122
$894
Round trip
2026-11-10 – 2026-11-24
PDX - Singapore
89% AI deal score
$1,087
$895
Round trip
2026-10-22 – 2026-10-29
PDX - Singapore
90% AI deal score
$1,159
$917
Round trip
2026-10-13 – 2026-10-20
PDX - Singapore
90% AI deal score
$1,162
$921
Round trip
2027-01-15 – 2027-01-19
PDX - Singapore
91% AI deal score
$1,266
$931
Round trip
2026-11-11 – 2026-11-30
PDX - Singapore
81% AI deal score
$1,084
$985
Round trip
2027-01-05 – 2027-01-17
PDX - Singapore
88% AI deal score
$1,185
$987
Round trip
2026-10-09 – 2026-10-27
PDX - Singapore
81% AI deal score
$1,099
$988
Round trip
2026-10-09 – 2026-10-25
PDX - Singapore
80% AI deal score
$1,107
$1,026
Round trip

Portland to Singapore: Overview

Insights for flights from Portland to Singapore

Most itineraries for flights from Portland to Singapore connect at least once, with 0% of recent fares being non-stop. For the majority of journeys that include connections, the typical number of stopovers is 2.

When is the cheapest time to fly from Portland to Singapore? The data indicates that February is the most affordable month, with a median fare of $584. Following closely, January offers a median fare of $648, and April presents a median of $717. Planning your trip around these months could result in significant savings.

A typical journey from Portland to Singapore takes approximately 47h 36m, including connections. This long-haul route covers a substantial distance of 13,081 kilometers, making it a significant international trip.

Fares for cheap flights from Portland to Singapore typically range from $1284–$1588, with a median of $1429. Right now, current fares are significantly below the typical level, and 7% of recent fares were classified as a good price. New deals for this route show up several times a week, suggesting regular opportunities to find favorable prices.

How much is a round trip from Portland to Singapore

Regular price: $1,005 - $1,758

Prices are currently below the regular range for flights from Portland to Singapore.

The regular price range for flights from Portland to Singapore is typically between $1005 and $1758. The current lowest deal is $891 with Air Canada, for travel from September 10 to September 24.

now $891

Low $1,005

High $1,758

The cheapest time to fly from Portland to Singapore

The cheapest month to fly from Portland to Singapore is February, with a median price of $584. The most expensive month is December, with a median price of $1800. Prices are generally lower from January to October.

February

Cheapest

Flights from $584

December

Most Expensive

Flights from $1,800

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Portland to Singapore

Alaska Airlines, Inc.

Air Canada

Korean Air

All Nippon Airways

Last-minute flights going from Portland to Singapore

Thu, Sep 10

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Air Canada

$1,202

$1,083

One-way

Mon, Sep 14

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

United Airlines

$1,220

$1,147

One-way

Fri, Sep 18

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

United Airlines

$1,327

$1,148

One-way

Tue, Sep 22

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

$1,116

$1,066

One-way

Wed, Sep 23

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

United Airlines

$1,244

$1,138

One-way

Thu, Sep 24

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Air Canada

$1,148

$1,063

One-way

Biggest price drops on these dates for flights from Portland to Singapore

4 nights

Jan 15 - Jan 19

$1,266 → $931

26%

24 nights

Dec 29 - Jan 22

$1,410 → $1,167

17%

25 nights

Dec 29 - Jan 23

$1,410 → $1,167

17%

7 nights

Oct 22 - Oct 29

$1,159 → $917

21%

Popular Airports to fly from Portland to Singapore

Portland - Singapore route insights

💸 Price insights

Recent fares below the typical level

Recent fares from Portland to Singapore are below the typical level, with deals around $891.

📅 Best time to fly

February is historically cheapest

Historically, February is the cheapest month to fly, with a median price of $584.

⏱️ Flight duration

Typically 47h 36m with connections

Flights from Portland to Singapore typically take 47h 36m, with two or more stopovers.

✈️ Airlines & availability

Connecting flights dominant

This long-haul route is connecting-dominant, with no direct flights available in the last 90 days.

🏆 Airline highlight

Air Canada offers deals

Air Canada has offered recent deals for flights from Portland to Singapore.

🎯 Booking tip

Deals appear regularly

Deals on flights from Portland to Singapore appear regularly, about every 30 days.

Portland main airports to depart from

Portland International (PDX)

Cheapest

Portland International Airport is a convenient departure point for flights to Singapore.

📍 ~10 km from Portland city center (reachable by car or public transport)

💸 Flights from ~$892

Singapore main airports to arrive at

Singapore Changi (SIN)

Cheapest

Singapore Changi Airport is a major international airport and a convenient arrival point for Singapore.

📍 ~19 km from city center (reachable by car)

💸 Flights from ~$891

Airports nearby Singapore used as alternative

Senai International (JHB)

Senai International Airport can be a useful alternative for domestic flights within Malaysia, often with cost savings.

📍 ~45 km from Singapore (reachable by bus, taxi, or private car)

💸 Flights from ~$1,072

Business & First Class Flight Deals to Singapore

Discover luxury on the budget with premium cabin class on flights from Portland to Singapore.

Elite

Best Elite deals to Singapore

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From PDX

Elite

Oct 24

Singapore, Singapore

94% AI deal score

$6,002

$3,622

Save $2,380

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 22

Singapore, Singapore

93% AI deal score

$5,832

$3,604

Save $2,228

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 21

Singapore, Singapore

93% AI deal score

$5,842

$3,615

Save $2,227

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 15

Singapore, Singapore

93% AI deal score

$5,827

$3,774

Save $2,053

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 15

Singapore, Singapore

93% AI deal score

$5,871

$3,775

Save $2,096

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 25

Singapore, Singapore

93% AI deal score

$6,110

$3,784

Save $2,326

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 18

Singapore, Singapore

93% AI deal score

$5,819

$3,841

Save $1,978

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 08

Singapore, Singapore

93% AI deal score

$5,777

$3,848

Save $1,929

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 08

Singapore, Singapore

93% AI deal score

$5,789

$3,849

Save $1,940

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 08

Singapore, Singapore

93% AI deal score

$5,871

$3,888

Save $1,983

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Sep 14

Singapore, Singapore

92% AI deal score

$5,416

$3,778

Save $1,638

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Sep 14

Singapore, Singapore

92% AI deal score

$5,366

$3,789

Save $1,577

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to Singapore

Finding affordable flights often involves comparing prices across various platforms. Consider being flexible with your travel dates and times, as this can sometimes lead to better deals. Looking into different airlines, including budget carriers, may also help you discover lower fares.

Booking flights in advance can often secure better prices, though the optimal booking window can vary. Prices may fluctuate, so monitoring fares over time can help you identify a good opportunity. Generally, last-minute bookings can be more expensive.

Comparing nearby airports can sometimes reveal more economical flight options. While it might add to your ground travel time, the potential savings on airfare could be significant. Always factor in the cost and convenience of transportation to and from alternative airports.

Related routes

More routes from Portland

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Flights to Singapore from other cities

Flights from Busan to Singapore Flights from Palermo to Singapore Flights from Paphos to Singapore Flights from Penang to Singapore Flights from Pensacola to Singapore Flights from Perth to Singapore Flights from Phnom Penh to Singapore Flights from Pune to Singapore Flights from Reus to Singapore Flights from Reykjavik to Singapore Flights from Rome to Singapore Flights from Yangon to Singapore

Portland to Singapore: Overview

Insights for flights from Portland to Singapore

How much is a round trip from Portland to Singapore

Regular price: $1,005 - $1,758

Prices are currently below the regular range for flights from Portland to Singapore.

The regular price range for flights from Portland to Singapore is typically between $1005 and $1758. The current lowest deal is $891 with Air Canada, for travel from September 10 to September 24.

now $891

Low $1,005

High $1,758

The cheapest time to fly from Portland to Singapore

February

Cheapest

Flights from $584

December

Most Expensive

Flights from $1,800

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Portland to Singapore

Alaska Airlines, Inc.

Air Canada

Korean Air

All Nippon Airways

Last-minute flights going from Portland to Singapore

Thu, Sep 10

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Air Canada

$1,202

$1,083

One-way

Mon, Sep 14

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

United Airlines

$1,220

$1,147

One-way

Fri, Sep 18

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

United Airlines

$1,327

$1,148

One-way

Tue, Sep 22

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

$1,116

$1,066

One-way

Wed, Sep 23

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

United Airlines

$1,244

$1,138

One-way

Thu, Sep 24

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Air Canada

$1,148

$1,063

One-way

Biggest price drops on these dates for flights from Portland to Singapore

4 nights

Jan 15 - Jan 19

$1,266 → $931

26%

24 nights

Dec 29 - Jan 22

$1,410 → $1,167

17%

25 nights

Dec 29 - Jan 23

$1,410 → $1,167

17%

7 nights

Oct 22 - Oct 29

$1,159 → $917

21%

Popular Airports to fly from Portland to Singapore

Portland - Singapore route insights

💸 Price insights

Recent fares below the typical level

Recent fares from Portland to Singapore are below the typical level, with deals around $891.

📅 Best time to fly

February is historically cheapest

Historically, February is the cheapest month to fly, with a median price of $584.

⏱️ Flight duration

Typically 47h 36m with connections

Flights from Portland to Singapore typically take 47h 36m, with two or more stopovers.

✈️ Airlines & availability

Connecting flights dominant

This long-haul route is connecting-dominant, with no direct flights available in the last 90 days.

🏆 Airline highlight

Air Canada offers deals

Air Canada has offered recent deals for flights from Portland to Singapore.

🎯 Booking tip

Deals appear regularly

Deals on flights from Portland to Singapore appear regularly, about every 30 days.

Portland main airports to depart from

Portland International (PDX)

Cheapest

Portland International Airport is a convenient departure point for flights to Singapore.

📍 ~10 km from Portland city center (reachable by car or public transport)

💸 Flights from ~$892

Singapore main airports to arrive at

Singapore Changi (SIN)

Cheapest

Singapore Changi Airport is a major international airport and a convenient arrival point for Singapore.

📍 ~19 km from city center (reachable by car)

💸 Flights from ~$891

Airports nearby Singapore used as alternative

Senai International (JHB)

Senai International Airport can be a useful alternative for domestic flights within Malaysia, often with cost savings.

Singapore, Singapore

92% AI deal score

$5,366

$3,789

Save $1,577

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to Singapore

Cheap Flights from Portland to Singapore

Today’s best flight deals from Portland to Singapore

Portland to Singapore: Overview

Insights for flights from Portland to Singapore

How much is a round trip from Portland to Singapore

The cheapest time to fly from Portland to Singapore

Direct flights from Portland to Singapore

Last-minute flights going from Portland to Singapore

Biggest price drops on these dates for flights from Portland to Singapore

Popular Airports to fly from Portland to Singapore

Portland - Singapore route insights

Recent fares below the typical level

February is historically cheapest

Typically 47h 36m with connections

Connecting flights dominant

Air Canada offers deals

Deals appear regularly

Portland main airports to depart from

Singapore main airports to arrive at

Airports nearby Singapore used as alternative

Business & First Class Flight Deals to Singapore

Best Elite deals to Singapore

Oct 24

Oct 22

Oct 21

Oct 15

Oct 15

Oct 25

Oct 18

Oct 08

Oct 08

Oct 08

Sep 14

Sep 14

Frequently Asked Questions About Flights to Singapore

How can I find cheap flights from Portland to Singapore?

When should I book flights from Portland to Singapore?

Should I compare nearby airports for flights from Portland to Singapore?

Are direct flights from Portland to Singapore always the best option?

Can flexible travel dates help on Portland to Singapore flights?

What extra costs should I check before booking Portland to Singapore flights?

Related routes

More routes from Portland

Flights to Singapore from other cities

Portland to Singapore: Overview

Insights for flights from Portland to Singapore

How much is a round trip from Portland to Singapore

The cheapest time to fly from Portland to Singapore

Direct flights from Portland to Singapore

Last-minute flights going from Portland to Singapore

Biggest price drops on these dates for flights from Portland to Singapore

Popular Airports to fly from Portland to Singapore

Portland - Singapore route insights

Recent fares below the typical level

February is historically cheapest

Typically 47h 36m with connections

Connecting flights dominant

Air Canada offers deals

Deals appear regularly

Portland main airports to depart from

Singapore main airports to arrive at

Airports nearby Singapore used as alternative

Business & First Class Flight Deals to Singapore

Best Elite deals to Singapore

Oct 24

Oct 22

Oct 21

Oct 15

Oct 15

Oct 25

Oct 18

Oct 08

Oct 08

Oct 08

Sep 14

Sep 14

Frequently Asked Questions About Flights to Singapore

How can I find cheap flights from Portland to Singapore?

When should I book flights from Portland to Singapore?

Should I compare nearby airports for flights from Portland to Singapore?