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

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, connecting flights can sometimes be more economical, especially for long-haul international routes. Weigh the trade-off between convenience and potential cost savings based on your priorities.

Can flexible travel dates help on Portland to Singapore flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying during off-peak seasons or on less popular days of the week often results in lower fares. Even shifting your departure or return by a day or two may yield savings.

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

Always review potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for meals or entertainment on longer international routes. 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 today

485 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Nov 2, 2026.)

Today’s best flight deals from Portland to Singapore

Explore current cheapest deals departing from Portland to Singapore

2026-11-25 – 2026-12-02
PDX - Singapore
75% AI deal score
$1,099
$1,106
Round trip
2026-11-25 – 2026-12-08
PDX - Singapore
75% AI deal score
$1,064
$1,144
Round trip
2026-11-25 – 2026-12-16
PDX - Singapore
75% AI deal score
$1,053
$1,145
Round trip
2026-11-25 – 2026-12-09
PDX - Singapore
75% AI deal score
$1,064
$1,145
Round trip
2026-11-25 – 2026-12-13
PDX - Singapore
75% AI deal score
$1,056
$1,145
Round trip
2026-11-25 – 2026-12-10
PDX - Singapore
75% AI deal score
$1,059
$1,145
Round trip
2026-11-25 – 2026-12-03
PDX - Singapore
76% AI deal score
$1,076
$1,155
Round trip
2027-03-15 – 2027-03-20
PDX - Singapore
77% AI deal score
$1,097
$1,160
Round trip
2026-11-23 – 2026-12-13
PDX - Singapore
76% AI deal score
$1,051
$1,163
Round trip
2026-11-23 – 2026-12-09
PDX - Singapore
76% AI deal score
$1,059
$1,163
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, you can expect to make 2 connections to reach your destination.

Right now, the cheapest flights from Portland to Singapore are significantly below the typical level. Fares typically range from $777 to $1365, with a median of $1053. Currently, 14% of recent fares are classified as a good price, indicating opportunities for savings.

When considering the cheapest time to fly from Portland to Singapore, September stands out with a median fare of $978. Other favorable months include July, with a median fare of $1042, and October, where the median fare is $1054.

A typical journey from Portland to Singapore takes approximately 31h 1m, including connections. This is a long-haul route, covering a substantial distance of 13081 km.

How much is a round trip from Portland to Singapore

Regular price: $978 - $1,777

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

The regular price range for flights from Portland to Singapore is typically between $978 and $1777. The current lowest deal is $840 with Korean Air, for travel from Feb 2 to Feb 25.

now $840

Low $978

High $1,777

The cheapest time to fly from Portland to Singapore

The cheapest month to fly from Portland to Singapore is September, with a median price of $978. The most expensive month is December, with a median price of $2686. Prices are generally lower from January to November.

September

Cheapest

Flights from $978

December

Most Expensive

Flights from $2,686

Jan

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Portland to Singapore

Alaska Airlines, Inc.

Korean Air

All Nippon Airways

Air Canada

Last-minute flights going from Portland to Singapore

Mon, Oct 26

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Alaska Airlines, Inc., Cathay Pacific

$1,304

$1,179

One-way

Mon, Oct 26

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Alaska Airlines, Inc., Cathay Pacific

$1,528

$1,179

One-way

Mon, Oct 26

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Alaska Airlines, Inc., Cathay Pacific

$1,409

$1,179

One-way

Mon, Oct 26

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Alaska Airlines, Inc., Cathay Pacific

$1,303

$1,179

One-way

Mon, Oct 26

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Alaska Airlines, Inc., Cathay Pacific

$1,535

$1,180

One-way

Mon, Oct 26

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Cathay Pacific

$1,201

$1,232

One-way

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

4 nights

Oct 28 - Nov 1

$1,528 → $1,039

32%

3 nights

Oct 27 - Oct 30

$1,535 → $1,114

27%

5 nights

Oct 27 - Nov 1

$1,409 → $1,034

27%

5 nights

Oct 28 - Nov 2

$1,409 → $1,040

26%

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

Fly in September for prices near $978

Historically, September has offered the lowest median prices at $978 for Portland to Singapore.

⏱️ Flight duration

Connecting flights average 31h 1m

The typical flight duration for connecting flights from Portland to Singapore is 31h 1m.

✈️ Airlines & availability

Connecting flights are dominant for this route

This route is primarily served by connecting flights, with a median of 2 stopovers.

🏆 Airline highlight

Korean Air offers a recent deal at $840

A recent deal from Korean Air for Portland to Singapore was found for $840 via skyscanner.

🎯 Booking tip

Deals are rare for Portland to Singapore

Deals for flights from Portland to Singapore are historically rare, appearing infrequently.

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 (reachable by car or public transport)

💸 Flights from ~$924

Singapore main airports to arrive at

Singapore Changi (SIN)

Cheapest

Singapore Changi Airport is a convenient arrival point for travelers heading to Singapore.

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

💸 Flights from ~$1,061

Airports nearby Singapore used as alternative

Senai International (JHB)

Senai International Airport (JHB) can be a useful alternative, often providing cost savings for Malaysian domestic flights.

📍 ~40 km from Singapore (reachable by car, bus, or taxi, but requires international border crossing).

💸 Flights from ~$1,133

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

Dec 07

Singapore, Singapore

93% AI deal score

$20,801

$13,869

Save $6,932

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Nov 21

Singapore, Singapore

92% AI deal score

$5,762

$4,019

Save $1,743

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Nov 17

Singapore, Singapore

92% AI deal score

$5,521

$4,019

Save $1,502

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Nov 16

Singapore, Singapore

92% AI deal score

$5,530

$4,076

Save $1,454

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Mar 15

Singapore, Singapore

91% AI deal score

$20,799

$16,520

Save $4,279

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Apr 16

Singapore, Singapore

91% AI deal score

$21,566

$17,537

Save $4,029

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Dec 13

Singapore, Singapore

90% AI deal score

$21,031

$16,324

Save $4,707

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Apr 14

Singapore, Singapore

90% AI deal score

$20,094

$16,523

Save $3,571

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Mar 18

Singapore, Singapore

90% AI deal score

$20,764

$16,766

Save $3,998

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Mar 15

Singapore, Singapore

90% AI deal score

$20,769

$17,214

Save $3,555

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Mar 15

Singapore, Singapore

90% AI deal score

$20,710

$17,217

Save $3,493

Alaska Airlines, Inc., +1

Business Class

From PDX

Elite

Mar 30

Singapore, Singapore

90% AI deal score

$20,651

$17,247

Save $3,404

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to Singapore

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking in advance is often recommended for international flights to secure better prices. However, prices can fluctuate, so monitoring fares over time may be beneficial. Mid-week bookings are sometimes associated with lower prices than weekend bookings.

Comparing nearby airports can sometimes offer alternative flight options and potentially different prices. While it may involve additional travel to and from these airports, it could lead to overall savings. Always factor in the cost and time of ground transportation.

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

A typical journey from Portland to Singapore takes approximately 31h 1m, including connections. This is a long-haul route, covering a substantial distance of 13081 km.

How much is a round trip from Portland to Singapore

Regular price: $978 - $1,777

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

The regular price range for flights from Portland to Singapore is typically between $978 and $1777. The current lowest deal is $840 with Korean Air, for travel from Feb 2 to Feb 25.

now $840

Low $978

High $1,777

The cheapest time to fly from Portland to Singapore

September

Cheapest

Flights from $978

December

Most Expensive

Flights from $2,686

Jan

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Portland to Singapore

Alaska Airlines, Inc.

Korean Air

All Nippon Airways

Air Canada

Last-minute flights going from Portland to Singapore

Mon, Oct 26

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Alaska Airlines, Inc., Cathay Pacific

$1,304

$1,179

One-way

Mon, Oct 26

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Alaska Airlines, Inc., Cathay Pacific

$1,528

$1,179

One-way

Mon, Oct 26

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Alaska Airlines, Inc., Cathay Pacific

$1,409

$1,179

One-way

Mon, Oct 26

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Alaska Airlines, Inc., Cathay Pacific

$1,303

$1,179

One-way

Mon, Oct 26

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Alaska Airlines, Inc., Cathay Pacific

$1,535

$1,180

One-way

Mon, Oct 26

⌛ Last-Minute

PDX - Singapore

Portland (PDX) - Singapore (SIN)

Cathay Pacific

$1,201

$1,232

One-way

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

4 nights

Oct 28 - Nov 1

$1,528 → $1,039

32%

3 nights

Oct 27 - Oct 30

$1,535 → $1,114

27%

5 nights

Oct 27 - Nov 1

$1,409 → $1,034

27%

5 nights

Oct 28 - Nov 2

$1,409 → $1,040

26%

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

Fly in September for prices near $978

Historically, September has offered the lowest median prices at $978 for Portland to Singapore.

⏱️ Flight duration

Connecting flights average 31h 1m

The typical flight duration for connecting flights from Portland to Singapore is 31h 1m.

✈️ Airlines & availability

Connecting flights are dominant for this route

This route is primarily served by connecting flights, with a median of 2 stopovers.

🏆 Airline highlight

Korean Air offers a recent deal at $840

A recent deal from Korean Air for Portland to Singapore was found for $840 via skyscanner.

🎯 Booking tip

Deals are rare for Portland to Singapore

Deals for flights from Portland to Singapore are historically rare, appearing infrequently.

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 (reachable by car or public transport)

💸 Flights from ~$924

Singapore main airports to arrive at

Singapore Changi (SIN)

Cheapest

Singapore Changi Airport is a convenient arrival point for travelers heading to Singapore.

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

💸 Flights from ~$1,061

Airports nearby Singapore used as alternative

Senai International (JHB)

Senai International Airport (JHB) can be a useful alternative, often providing cost savings for Malaysian domestic flights.

Singapore, Singapore

90% AI deal score

$20,651

$17,247

Save $3,404

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 are below the typical level

Fly in September for prices near $978

Connecting flights average 31h 1m

Connecting flights are dominant for this route

Korean Air offers a recent deal at $840

Deals are rare for Portland to Singapore

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

Dec 07

Nov 21

Nov 17

Nov 16

Mar 15

Apr 16

Dec 13

Apr 14

Mar 18

Mar 15

Mar 15

Mar 30

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

Fly in September for prices near $978

Connecting flights average 31h 1m

Connecting flights are dominant for this route

Korean Air offers a recent deal at $840

Deals are rare for Portland to Singapore

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

Dec 07

Nov 21

Nov 17

Nov 16

Mar 15

Apr 16

Dec 13

Apr 14

Mar 18

Mar 15

Mar 15

Mar 30

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?