PDX - SIN

$433 Find Cheap Flights from Portland to Singapore - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,032
Typical prices: $988-$1,297
Multiple Airlines
Fri 2/23Thu 3/8
PDX - SIN • 2 stops
Cheapest one-way
$433
Typical prices: $517-$786
Multiple Airlines
Wed 4/11
PDX - SIN • 2 stops
Nonstop flights
There are currently no direct flights between Portland and Singapore. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
Cheapest • 12% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $990 (round-trip)
Shortest trip • 18h 33m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Portland to Singapore (PDX-SIN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Singapore

Tue, Feb 23 - Mon, Mar 8
Multiple Airlines Logo
9:30 pm - 2:25 amPDX  Portland-SIN Singapore Changi
36h 55m2 stops Los Angeles Shanghai Pu Dong
Multiple Airlines Logo
12:25 am - 4:27 pmSIN  Singapore Changi-PDX Portland
32h 02m2 stops Shanghai Pu Dong Los Angeles
$1,032Multiple Airlines
Mon, Feb 1 - Sun, Feb 14
Qatar Airways Logo
8:30 am - 8:45 amPDX  Portland-SIN Singapore Changi
32h 15m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Qatar Airways Logo
3:15 am - 10:44 pmSIN  Singapore Changi-PDX Portland
35h 29m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,063Qatar Airways
Sun, Apr 25 - Mon, May 3
Multiple Airlines Logo
5:35 pm - 10:25 amPDX  Portland-SIN Singapore Changi
25h 50m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl
Multiple Airlines Logo
6:15 am - 6:25 pmSIN  Singapore Changi-PDX Portland
27h 10m2 stops Tokyo Narita Vancouver Intl
$1,063Multiple Airlines
Mon, Feb 1 - Sun, Feb 14
Qatar Airways Logo
9:31 am - 2:55 pmPDX  Portland-SIN Singapore Changi
37h 24m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Qatar Airways Logo
3:15 am - 10:44 pmSIN  Singapore Changi-PDX Portland
35h 29m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,063Qatar Airways
Tue, Jan 12 - Wed, Jan 20
Air Canada Logo
3:15 pm - 7:00 amPDX  Portland-SIN Singapore Changi
23h 45m1 stop Vancouver Intl
Air Canada Logo
6:35 am - 2:41 pmSIN  Singapore Changi-PDX Portland
24h 06m2 stops Tokyo Narita Vancouver Intl
$1,137Air Canada
Sun, Nov 22 - Thu, Nov 26
United Airlines Logo
4:25 pm - 8:15 pmPDX  Portland-SIN Singapore Changi
35h 50m2 stops Denver Intl San Francisco
United Airlines Logo
10:20 pm - 12:54 amSIN  Singapore Changi-PDX Portland
18h 34m1 stop San Francisco
$1,146United Airlines
Thu, Jan 21 - Thu, Feb 11
United Airlines Logo
5:30 am - 8:15 pmPDX  Portland-SIN Singapore Changi
22h 45m1 stop San Francisco
United Airlines Logo
10:10 am - 9:01 pmSIN  Singapore Changi-PDX Portland
26h 51m1 stop San Francisco
$1,149United Airlines
Thu, Jan 21 - Thu, Feb 11
United Airlines Logo
5:30 am - 8:15 pmPDX  Portland-SIN Singapore Changi
22h 45m1 stop San Francisco
United Airlines Logo
10:10 am - 9:01 pmSIN  Singapore Changi-PDX Portland
26h 51m1 stop San Francisco
$1,150United Airlines
Sun, Nov 22 - Thu, Nov 26
Air Canada Logo
3:15 pm - 11:30 pmPDX  Portland-SIN Singapore Changi
40h 15m2 stops Vancouver Intl Bangkok Suvarnabhumi
Air Canada Logo
8:40 am - 9:26 amSIN  Singapore Changi-PDX Portland
16h 46m1 stop Vancouver Intl
$1,275Air Canada
Tue, Dec 1 - Fri, Dec 18
Air Canada Logo
3:15 pm - 11:15 amPDX  Portland-SIN Singapore Changi
28h 00m2 stops Vancouver Intl Bangkok Suvarnabhumi
Air Canada Logo
8:40 am - 2:41 pmSIN  Singapore Changi-PDX Portland
22h 01m1 stop Vancouver Intl
$1,392Air Canada
Booking Insights

Price, demand and travel trends for Portland to Singapore flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Portland to Singapore?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Portland to Singapore. It’s 4% cheaper than the average day, while Saturday is the most expensive, with prices 10% higher.

What’s the cheapest month to fly from Portland to Singapore?

•January is the cheapest month to fly from Portland to Singapore at $979 round-trip.
•December ($1,371) and June ($1,282) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 40% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Key details for Portland to Singapore flights

Low season

June

Cheapest flight

$433
Beat the crowds with an average 21% drop in travelers.
The most popular month to fly with an average 35% increase in travelers.
One-way flight from Portland to Singapore

When to book flights from Portland to Singapore

Are your dates flexible? Find out the best times to travel from Portland to Singapore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Portland to Singapore flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Portland to Singapore?

    Three cabin classes are available on flights from Portland to Singapore:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Portland to Singapore?

    A nonstop flight from Portland to Singapore takes 00m, covering 8,123 miles.

  • Do I need a passport to fly from Portland to Singapore?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Portland to Singapore flight?

    Round-trip flights from Portland to Singapore range from $988 to $1,297, with an average of $1,111 over the past 12 months. Anything below $988 counts as a good deal.

  • How are flight prices from Portland to Singapore looking right now?

    One-way fares from Portland to Singapore are currently higher than usual. Average one-way flight prices are about $1,214, which is 106% above the typical average for this route.

  • What car rental options are available at Singapore Changi Airport (SIN)?

    Singapore Changi Airport (SIN) hosts 5 major car rental companies, with daily rates averaging $105 for economy cars. Top options include:

    • Avis
    • Sixt
    • Thrifty
    • Hertz
    • Europcar

  • Which airports can I use when flying from Portland to Singapore?

    Flights from Portland to Singapore usually depart from Portland (PDX) and arrive at Singapore Changi (SIN).

  • Which airports do connecting flights from Portland to Singapore pass through?

    One-stop flights from Portland to Singapore most commonly connect through:

    • Vancouver Intl (YVR) - 48% of one-stop connections
    • San Francisco (SFO) - 42% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 9% of one-stop connections
    • Los Angeles (LAX) - 1% of one-stop connections

  • Can I save money by using flexible dates for flights from Portland to Singapore?

    Yes. Flexible dates can save you up to 13% on flights from Portland to Singapore. Sunday is the cheapest departure day at $1,076 round-trip on average, while Saturday is the most expensive at $1,233, a difference of $157.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Portland to Singapore?

    Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time at 18h 33m, compared with 19h 47m via Seattle/Tacoma Intl (SEA) and 20h 47m via San Francisco (SFO).

  • What is the time difference between Portland and Singapore?

    Singapore is 16 hours ahead of Portland (Singapore Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Singapore?

    Some of the most popular sights in Singapore are Marina Bay Sands, Sentosa and Singapore National Stadium. These are among the most viewed places in Singapore on KAYAK.

Your guide to booking Portland to Singapore flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Saturday. On this route, Sunday flights average $1,076, about $157 less than Saturday fares (13% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Portland to Singapore trip for January. Fares historically average $979 round-trip in that month - typically $392 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Singapore Changi Airport.

    • Crowne Plaza Changi Airport by IHG
    • YOTELAIR Singapore Changi Airport
    • Changi Transit Hotel Terminal 1

More options for your flight from Portland to Singapore

Complete your trip to Singapore with a hotel stay or car rental