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

Direct flights offer convenience by reducing travel time and avoiding layovers. However, they are not always the most economical choice. Flights with connections can sometimes be more affordable, especially for longer routes, so it's worth comparing both options.

Can flexible travel dates help on Portland to Singapore flights?

Yes, being flexible with your travel dates can often lead to finding better flight deals. Prices for flights can vary significantly depending on the day of the week or time of year. Adjusting your departure or return by 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 may also charge for printing boarding passes at the airport. Factor these into your total travel budget to avoid surprises.

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 1 day ago

461 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 14, 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
$1,096
$887
Round trip
2026-11-19 – 2026-11-26
PDX - Singapore
90% AI deal score
$1,110
$887
Round trip
2026-10-13 – 2026-10-20
PDX - Singapore
90% AI deal score
$1,161
$902
Round trip
2026-10-22 – 2026-10-29
PDX - Singapore
84% AI deal score
$1,162
$978
Round trip
2027-02-03 – 2027-02-25
PDX - Singapore
83% AI deal score
$1,127
$1,027
Round trip
2026-10-09 – 2026-10-27
PDX - Singapore
80% AI deal score
$1,101
$1,030
Round trip
2026-10-24 – 2026-10-31
PDX - Singapore
81% AI deal score
$1,158
$1,050
Round trip
2026-10-24 – 2026-10-30
PDX - Singapore
80% AI deal score
$1,157
$1,052
Round trip
2027-03-09 – 2027-03-16
PDX - Singapore
84% AI deal score
$1,173
$1,055
Round trip
2027-02-04 – 2027-02-15
PDX - Singapore
82% AI deal score
$1,132
$1,057
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: $1,025 - $1,952

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

The regular price range for flights from Portland to Singapore is between $1025 and $1952. The current lowest deal is $902 with Air Canada for travel from Oct 13-Oct 20.

now $902

Low $1,025

High $1,952

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

Wed, Sep 16

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

United Airlines

$1,288

$1,134

One-way

Thu, Sep 17

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Qatar Airways

$1,202

$1,305

One-way

Sat, Sep 19

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

United Airlines

$1,203

$1,133

One-way

Sat, Sep 19

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Qatar Airways

$1,200

$1,260

One-way

Wed, Sep 23

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

United Airlines

$1,130

$1,147

One-way

Thu, Sep 24

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Air Canada

$1,146

$1,061

One-way

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

4 nights

Sep 14 - Sep 18

$1,487 → $1,135

24%

7 nights

Oct 22 - Oct 29

$1,158 → $932

19%

7 nights

Nov 19 - Nov 26

$1,110 → $887

20%

7 nights

Nov 5 - Nov 12

$1,096 → $887

19%

Popular Airports to fly from Portland to Singapore

Portland - Singapore route insights

💸 Price insights

Recent fares are below the typical level.

Recent fares from Portland to Singapore are below the typical level for this route.

📅 Best time to fly

February is historically the cheapest month to fly.

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

⏱️ Flight duration

Flights are typically 47h 36m with 2+ stopovers.

The typical flight duration from Portland to Singapore is 47h 36m, with a median of 2 stopovers.

✈️ Airlines & availability

No direct flights. Connecting flights are regular.

There are no direct flights. Connecting flights are regular, with deals appearing every 30 days.

🏆 Airline highlight

Air Canada offers a recent deal for $902.

Air Canada recently offered a roundtrip flight from Portland to Singapore for $902.

🎯 Booking tip

Consider connecting flights for this long-haul route.

As a long-haul route, connecting flights are typical when traveling from Portland to Singapore.

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 21

Singapore, Singapore

93% AI deal score

$5,665

$2,873

Save $2,792

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 27

Singapore, Singapore

93% AI deal score

$5,745

$2,881

Save $2,864

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 24

Singapore, Singapore

92% AI deal score

$5,717

$2,920

Save $2,797

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 22

Singapore, Singapore

92% AI deal score

$5,665

$2,920

Save $2,745

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 13

Singapore, Singapore

92% AI deal score

$5,709

$2,982

Save $2,727

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Oct 28

Singapore, Singapore

92% AI deal score

$5,750

$3,049

Save $2,701

Air Canada, +1

Business Class

From PDX

Elite

Oct 23

Singapore, Singapore

92% AI deal score

$5,678

$3,079

Save $2,599

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Mar 01

Singapore, Singapore

91% AI deal score

$6,232

$5,155

Save $1,077

Cathay Pacific

Business Class

From PDX

Elite

Feb 23

Singapore, Singapore

91% AI deal score

$6,611

$5,171

Save $1,440

Cathay Pacific

Business Class

From PDX

Elite

Feb 02

Singapore, Singapore

90% AI deal score

$6,133

$5,155

Save $978

Cathay Pacific

Business Class

From PDX

Elite

Jan 25

Singapore, Singapore

85% AI deal score

$6,034

$5,171

Save $863

Cathay Pacific

Business Class

From PDX

Elite

Jan 19

Singapore, Singapore

84% AI deal score

$5,975

$5,155

Save $820

Cathay Pacific

Business Class

Frequently Asked Questions About Flights to Singapore

To find more affordable flights, consider being flexible with your travel dates and times. Using flight comparison websites can help you compare prices across various airlines and booking platforms. Setting up price alerts may also notify you when fares drop for your desired route.

Booking flights in advance often provides more options and potentially better prices. However, prices can fluctuate, so monitoring fares over time is usually a good strategy. Some travelers find booking a few months before departure to be beneficial.

Comparing nearby airports can sometimes reveal different flight options or prices. While not always necessary, expanding your search to include airports within a reasonable distance might offer more choices. Always consider the additional travel time and cost to reach a different airport.

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: $1,025 - $1,952

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

The regular price range for flights from Portland to Singapore is between $1025 and $1952. The current lowest deal is $902 with Air Canada for travel from Oct 13-Oct 20.

now $902

Low $1,025

High $1,952

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

Wed, Sep 16

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

United Airlines

$1,288

$1,134

One-way

Thu, Sep 17

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Qatar Airways

$1,202

$1,305

One-way

Sat, Sep 19

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

United Airlines

$1,203

$1,133

One-way

Sat, Sep 19

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Qatar Airways

$1,200

$1,260

One-way

Wed, Sep 23

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

United Airlines

$1,130

$1,147

One-way

Thu, Sep 24

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Air Canada

$1,146

$1,061

One-way

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

4 nights

Sep 14 - Sep 18

$1,487 → $1,135

24%

7 nights

Oct 22 - Oct 29

$1,158 → $932

19%

7 nights

Nov 19 - Nov 26

$1,110 → $887

20%

7 nights

Nov 5 - Nov 12

$1,096 → $887

19%

Popular Airports to fly from Portland to Singapore

Portland - Singapore route insights

💸 Price insights

Recent fares are below the typical level.

Recent fares from Portland to Singapore are below the typical level for this route.

📅 Best time to fly

February is historically the cheapest month to fly.

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

⏱️ Flight duration

Flights are typically 47h 36m with 2+ stopovers.

The typical flight duration from Portland to Singapore is 47h 36m, with a median of 2 stopovers.

✈️ Airlines & availability

No direct flights. Connecting flights are regular.

There are no direct flights. Connecting flights are regular, with deals appearing every 30 days.

🏆 Airline highlight

Air Canada offers a recent deal for $902.

Air Canada recently offered a roundtrip flight from Portland to Singapore for $902.

🎯 Booking tip

Consider connecting flights for this long-haul route.

As a long-haul route, connecting flights are typical when traveling from Portland to Singapore.

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

84% AI deal score

$5,975

$5,155

Save $820

Cathay Pacific

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 are below the typical level.

February is historically the cheapest month to fly.

Flights are typically 47h 36m with 2+ stopovers.

No direct flights. Connecting flights are regular.

Air Canada offers a recent deal for $902.

Consider connecting flights for this long-haul route.

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 21

Oct 27

Oct 24

Oct 22

Oct 13

Oct 28

Oct 23

Mar 01

Feb 23

Feb 02

Jan 25

Jan 19

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 are below the typical level.

February is historically the cheapest month to fly.

Flights are typically 47h 36m with 2+ stopovers.

No direct flights. Connecting flights are regular.

Air Canada offers a recent deal for $902.

Consider connecting flights for this long-haul route.

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 21

Oct 27

Oct 24

Oct 22

Oct 13

Oct 28

Oct 23

Mar 01

Feb 23

Feb 02

Jan 25

Jan 19

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?