HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$536+ Cheap flights from Singapore (SIN) 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
Feb 10 — Feb 171
Tue 2/10
Tue 2/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Singapore to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Singapore to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 11, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$840
(China Airlines)

One-way from

$536
(China Airlines)

Popular in

April

Cheapest in

December

Average price

$1,026
Provider with most accurate pricing for Singapore Changi-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-Portland flights.
Search Deals
From Singapore Changi to Portland
Search Deals
One-way flight from Singapore Changi to Portland
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($450 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 11, 2026.

This China Airlines deal was found by Cheapflights users on 1/10. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:45 pmSIN - PDX
2 stops23h 54mMultiple Airlines
Sat 8/19:30 pmPDX - SIN
2 stops24h 05mMultiple Airlines
Deal found 1/10$840
This China Airlines deal was found by Cheapflights users on 1/10. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:45 pmSIN - PDX
2 stops23h 54mMultiple Airlines
Mon 8/37:05 pmPDX - SIN
2 stops26h 30mMultiple Airlines
Deal found 1/10$863
This China Airlines deal was found by Cheapflights users on 1/10. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:25 pmSIN - PDX
2 stops35h 17mMultiple Airlines
Wed 3/42:47 pmPDX - SIN
2 stops30h 18mMultiple Airlines
Deal found 1/10$887
This China Airlines deal was found by Cheapflights users on 1/11. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/142:00 amSIN - PDX
2 stops35h 31mMultiple Airlines
Thu 4/238:30 pmPDX - SIN
2 stops25h 05mMultiple Airlines
Deal found 1/11$923
This China Airlines deal was found by Cheapflights users on 1/10. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/261:45 pmSIN - PDX
2 stops34h 32mMultiple Airlines
Sat 8/17:05 pmPDX - SIN
2 stops26h 30mMultiple Airlines
Deal found 1/10$939
This Booking.com deal was found by Cheapflights users on 1/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:55 pmSIN - PDX
2 stops34h 54mLufthansa
Mon 3/27:00 amPDX - SIN
2 stops31h 55mLufthansa
Deal found 1/8$941
This STARLUX Airlines deal was found by Cheapflights users on 1/10. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/232:45 pmSIN - PDX
2 stops22h 02mSTARLUX Airlines
Tue 1/275:35 pmPDX - SIN
2 stops27h 50mSTARLUX Airlines
Deal found 1/10$972

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 January 11, 2026.
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

Thu 6/25

1:45 pm-10:39 pm

2 stops23h 54m

Portland

Sat 8/1

9:30 pm-12:35 pm

2 stops24h 05m

$840

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 6/25

1:45 pm-10:39 pm

2 stops23h 54m

Portland

Mon 8/3

7:05 pm-12:35 pm

2 stops26h 30m

$863

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 2/25

2:25 pm-9:42 am

2 stops35h 17m

Portland

Wed 3/4

2:47 pm-1:05 pm

2 stops30h 18m

$887

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 4/14

2:00 am-10:31 pm

2 stops35h 31m

Portland

Thu 4/23

8:30 pm-12:35 pm

2 stops25h 05m

$923

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 6/26

1:45 pm-9:17 am

2 stops34h 32m

Portland

Sat 8/1

7:05 pm-12:35 pm

2 stops26h 30m

$939

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 2/23

11:55 pm-6:49 pm

2 stops34h 54m

Portland

Mon 3/2

7:00 am-6:55 am

2 stops31h 55m

$941

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 1/23

2:45 pm-8:47 pm

2 stops22h 02m

Portland

Tue 1/27

5:35 pm-1:25 pm

2 stops27h 50m

$972

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 2/2

2:25 pm-12:09 am

2 stops25h 44m

$536

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 2/7

2:25 pm-9:29 am

2 stops35h 04m

$537

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 1/24

2:25 pm-9:29 am

2 stops35h 04m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

Showing 1-10 of 14 results
1
2

Compare providers for flights from Singapore to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Singapore to Portland in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Singapore-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Singapore-Portland flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Singapore-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Singapore-Portland flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Singapore-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, December is the cheapest month in which you can book a flight from Singapore to Portland (average of $177). Flying from Singapore to Portland in April is currently the most expensive (average of $1,883). 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.

How much does it cost to fly round-trip from Singapore to Portland?

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.

  • 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, December is the cheapest month in which you can book a flight from Singapore to Portland (average of $177). Flying from Singapore to Portland in April is currently the most expensive (average of $1,883). 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
Clackamas
Lincoln City
Longview
Lake Oswego
Beaverton
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Tillamook
Pacific City
Gresham

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Singapore to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Singapore to Boise flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.