United States
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PDX - SIN

$434 Find Cheap Flights from Portland to Singapore - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$912
Typical prices: $980-$1,262
Air Canada
Sun 11/25Sun 12/9
PDX - SIN • 1 stop
Cheapest one-way
$434
Typical prices: $503-$745
Multiple Airlines
Fri 11/16
PDX - SIN • 2 stops
Nonstop flights
Not available
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 book
12 weeks
in advance
Our data shows that travelers who book at least 12 weeks in advance save around 24% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 13% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Los Angeles (LAX)
Cheapest • Avg $990 (round-trip)
Vancouver Intl (YVR)
Shortest trip • 18h 38m (one-way)
Insights
Insights
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We hope you love your trip to Singapore!
Flight Deals
Booking Insights
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

Wed, Nov 25 - Wed, Dec 9
Air Canada Logo
3:15 pm - 7:00 amPDX  Portland-SIN Singapore Changi
23h 45m1 stop Vancouver Intl
Air Canada Logo
11:10 pm - 2:41 pmSIN  Singapore Changi-PDX Portland
31h 31m2 stops Incheon Intl Vancouver Intl
$912Air Canada
Thu, Feb 11 - Wed, Feb 17
Multiple Airlines Logo
10:00 am - 9:55 pmPDX  Portland-SIN Singapore Changi
43h 55m2 stops Vancouver Intl Incheon Intl
Multiple Airlines Logo
11:10 pm - 2:41 pmSIN  Singapore Changi-PDX Portland
31h 31m2 stops Incheon Intl Vancouver Intl
$944Multiple Airlines
Thu, Jan 21 - Thu, Feb 11
Multiple Airlines Logo
7:10 pm - 7:00 amPDX  Portland-SIN Singapore Changi
19h 50m1 stop Vancouver Intl
Multiple Airlines Logo
8:30 am - 2:41 pmSIN  Singapore Changi-PDX Portland
22h 11m2 stops Incheon Intl Vancouver Intl
$970Multiple Airlines
Sun, Oct 18 - Sun, Nov 1
Air Canada Logo
7:45 pm - 6:40 amPDX  Portland-SIN Singapore Changi
43h 55m2 stops Vancouver Intl Tokyo Haneda
Air Canada Logo
9:00 pm - 6:31 pmSIN  Singapore Changi-PDX Portland
37h 31m2 stops Bangkok Suvarnabhumi Vancouver Intl
$972Air Canada
Thu, Jan 21 - Thu, Feb 11
Multiple Airlines Logo
7:10 am - 7:00 amPDX  Portland-SIN Singapore Changi
31h 50m2 stops Chicago O'Hare Intl Vancouver Intl
Multiple Airlines Logo
8:30 am - 2:41 pmSIN  Singapore Changi-PDX Portland
22h 11m2 stops Incheon Intl Vancouver Intl
$975Multiple Airlines
Tue, Nov 3 - Tue, Nov 17
Air Canada Logo
3:20 pm - 7:00 amPDX  Portland-SIN Singapore Changi
23h 40m1 stop Vancouver Intl
Air Canada Logo
8:40 am - 8:46 pmSIN  Singapore Changi-PDX Portland
28h 06m1 stop Vancouver Intl
$984Air Canada
Wed, Nov 11 - Mon, Nov 23
United Airlines Logo
7:10 am - 8:15 pmPDX  Portland-SIN Singapore Changi
21h 05m1 stop San Francisco
United Airlines Logo
10:10 am - 10:46 pmSIN  Singapore Changi-PDX Portland
28h 36m1 stop San Francisco
$1,241United Airlines
Wed, Nov 11 - Mon, Nov 23
United Airlines Logo
5:30 am - 8:15 pmPDX  Portland-SIN Singapore Changi
22h 45m1 stop San Francisco
United Airlines Logo
10:10 am - 9:02 pmSIN  Singapore Changi-PDX Portland
26h 52m1 stop San Francisco
$1,241United Airlines
Wed, Jan 13 - Fri, Feb 12
Singapore Airlines Logo
7:10 pm - 12:55 pmPDX  Portland-SIN Singapore Changi
25h 45m2 stops Vancouver Intl Hong Kong Intl
Singapore Airlines Logo
9:20 am - 2:41 pmSIN  Singapore Changi-PDX Portland
21h 21m2 stops Shanghai Pu Dong Vancouver Intl
$4,541Singapore Airlines
Wed, Jan 13 - Fri, Feb 12
Singapore Airlines Logo
3:15 pm - 7:00 amPDX  Portland-SIN Singapore Changi
23h 45m1 stop Vancouver Intl
Singapore Airlines Logo
9:20 am - 2:41 pmSIN  Singapore Changi-PDX Portland
21h 21m2 stops Shanghai Pu Dong Vancouver Intl
$4,856Singapore Airlines
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.

How much is a round-trip flight from Portland to Singapore?

Round-trip flights from Portland to Singapore typically range from $980 to $1,262. The lowest price found in the past 5 days was $912, on Air Canada.

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 2% cheaper than the average day, while Saturday is the most expensive, with prices 11% higher.

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

•March is the cheapest month to fly from Portland to Singapore at $944 round-trip.
•December ($1,301) and June ($1,282) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 37% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Portland to Singapore the cheapest?

Flights from Portland to Singapore are cheapest 12 weeks before departure. Booking in this window typically costs about 24% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Portland to Singapore flights

Low season

June

Cheapest flight

$434
Beat the crowds with an average 9% drop in travelers.
The most popular month to fly with an average 15% 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 $980 to $1,262, with an average of $1,090 over the past 12 months. Anything below $980 counts as a good deal.

  • How expensive are last-minute Portland to Singapore flights?

    Last-minute fares on this route (booked within two weeks of departure) run 0% above the $1,090 route average. Book 12 weeks before departure for the lowest fares.

  • 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 $618, which is 8% 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 starting from around $59 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) - 43% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 8% 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 12% 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 $1,212, a difference of $136.

    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 38m, compared with 19h 50m via Seattle/Tacoma Intl (SEA) and 20h 38m via San Francisco (SFO).

  • What is the time difference between Portland and Singapore?

    Singapore is 15 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 $136 less than Saturday fares (11% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 12 weeks before you fly. On this route, that window historically saves about 24% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Portland to Singapore trip for March. Fares historically average $944 round-trip in that month - typically $357 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

Car rentals in Singapore
Hotels in Singapore
Vacations in Singapore