Portland (PDX) → Singapore (SIN)

13,080 km
16h 51m flight
From $1670
Singapore destination photo

About Portland to Singapore Flights

Discover the best flights from Portland to Singapore, covering 13,080 km in approximately 16h 51m. Portland (PDX) to Singapore (SIN) is one of the major long-haul routes connecting United States and Singapore. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Portland to Singapore.

12-Month Price History

Flight prices from Portland to Singapore vary significantly throughout the year. February typically offers the best deals with average prices around $2389, while July sees the highest prices, averaging $3976. Savvy travelers can save up to 40% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

116 days

For best prices

Booking Tips

For the best prices on Portland to Singapore flights, we recommend booking 103 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

American Airlines

AA

Economy

$3820

Business

$15730

First

$24850

Delta Air Lines

DL

Economy

$3880

Business

$13800

First

$25700

Alaska Airlines

AS

Economy

$4430

Business

$15340

First

$27400

British Airways

BA

Economy

$4580

Business

$17320

First

$23470

United Airlines

UA

Economy

$4760

Business

$15360

First

$21640

Scoot

TR

Economy

$4990

Business

$14480

First

$21900

Singapore Airlines

SQ

Economy

$5610

Business

$18040

First

$32540

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Don't Forget Travel Insurance!

Found your flight? Protect your trip with SafetyWing's comprehensive travel insurance. Perfect for trips to Singapore, Singapore.

  • Medical coverage up to $250,000
  • Trip interruption & delays covered
  • Lost luggage protection included

From just $45/month • Works in 180+ countries • COVID-19 coverage included

Get Travel Insurance Quote

Trusted by 100,000+ travelers

Frequently Asked Questions

How long is the flight from Portland to Singapore?

The flight time from Portland (PDX) to Singapore (SIN) is approximately 16 hours and 51 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Portland and Singapore?

The aerial distance between Portland and Singapore is 13,080 kilometers (8,128 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Portland to Singapore?

Several airlines operate flights between Portland and Singapore, including Alaska Airlines, Singapore Airlines, Scoot and 4 more airlines. Most flights on this route include one or more stops.

What is the cheapest month to fly from Portland to Singapore?

Based on historical data, February typically offers the lowest airfares for flights from Portland to Singapore. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to Singapore?

For the best prices on Portland to Singapore flights, we recommend booking 160 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Portland to Singapore?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Singapore should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Portland and Singapore?

Portland operates on America/Los_Angeles time zone, while Singapore is in the Asia/Singapore time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.