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$393+ Cheap flights from Singapore to Portland (PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Singapore to Portland

Keep the following information in mind while searching for Singapore to Portland flight deals. Data was last updated July 29, 2025.

Round-trip from

$628
(Air Canada)

One-way from

$393
(Expedia)

Popular in

April

Cheapest in

August

Average price

$1,194
From Singapore to Portland
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One-way flight from Singapore to Portland
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Singapore to Portland

Cheapest flights from Singapore to Portland
Explore the most affordable flight options available from Singapore to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Air Canada deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/71:45 amSIN - PDX
2 stops32h 01mAir Canada
Tue 11/189:50 amPDX - SIN
1 stop30h 05mAir Canada
Deal found 7/26$628
This Air Canada deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:15 amSIN - PDX
2 stops23h 31mMultiple Airlines
Tue 11/183:54 pmPDX - SIN
2 stops24h 01mMultiple Airlines
Deal found 7/26$631
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/171:55 amSIN - PDX
2 stops25h 50mAmerican Airlines
Thu 10/22:56 pmPDX - SIN
2 stops35h 34mAmerican Airlines
Deal found 7/28$1,109
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:45 amSIN - PDX
1 stop30h 43mUnited Airlines
Tue 11/187:30 amPDX - SIN
1 stop20h 45mUnited Airlines
Deal found 7/26$1,298

Cheapflights Fare Finder

 
Customize your flight search to find flights from Singapore to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Singapore to Portland that are best for you.

Fly from

Singapore

Fly to

Portland

Route

Depart

Return

Price

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 10/7

1:45 am-6:46 pm

2 stops32h 01m

Portland

Tue 11/18

9:50 am-7:55 am

1 stop30h 05m

$628

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 10/8

6:15 am-2:46 pm

2 stops23h 31m

Portland

Tue 11/18

3:54 pm-7:55 am

2 stops24h 01m

$631

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 9/17

1:55 am-12:45 pm

2 stops25h 50m

Portland

Thu 10/2

2:56 pm-5:30 pm

2 stops35h 34m

$1,109

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 10/8

8:45 am-12:28 am

1 stop30h 43m

Portland

Tue 11/18

7:30 am-8:15 pm

1 stop20h 45m

$1,298

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 12/2

10:00 am-2:45 pm

1 stop20h 45m

$393

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 11/14

1:10 am-12:15 pm

3 stops51h 05m

$559

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 11/14

2:00 am-12:09 am

2 stops38h 09m

$614

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 12/24

9:15 am-1:47 pm

1 stop20h 32m

$882

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 1/4

10:25 pm-3:09 pm

2 stops32h 44m

$1,011

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 12/1

10:20 pm-10:52 pm

1 stop40h 32m

$1,102

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 12 results
1
2

Best time to book a flight from Singapore to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Singapore with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Singapore to Portland

What is the cheapest month to book a flight from Singapore to Portland?

Currently, November is the cheapest month in which you can book a flight from Singapore to Portland (average of $277). Flying from Singapore to Portland in March is currently the most expensive (average of $368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated July 29, 2025.
Peruse reviews from past customers who have flown with EVA Air, Japan Airlines, and China Airlines from Singapore to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,221 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,221 reviews
EVA Air
8.4
Very good
1,221 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,535 reviews
EVA Air
8.4
Very good
1,221 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
754 reviews
EVA Air
8.4
Very good
1,221 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very good
1,338 reviews
EVA Air
8.4
Very good
1,221 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
KLM
7.8
Good
1,383 reviews
EVA Air
8.4
Very good
1,221 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Singapore to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Singapore?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly into when you book flights from Singapore to Portland.

  • What are the cheapest airlines to fly from Singapore to Portland one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $393. Users have also found prices from $614 and $882 on China Airlines and Singapore Airlines, respectively.

  • Can I find deals for flights from Singapore to Portland that include hotel bookings?

    Yes. In addition to deals on Singapore to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Singapore to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Portland.

  • Can I find deals for business class flights from Singapore to Portland?

    Yes. Cheapflights offers flight deals from Singapore to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Singapore to Portland?

    Currently, November is the cheapest month in which you can book a flight from Singapore to Portland (average of $277). Flying from Singapore to Portland in March is currently the most expensive (average of $368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Beaverton
Clackamas
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Astoria
Cannon Beach
Long Beach
Longview
Tigard
Depoe Bay
Woodburn
Stevenson
Wilsonville
Pacific City
Troutdale
Tillamook

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