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$544+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$851
(Air Canada)

One-way from

$544
(Kiwi.com)

Popular in

April

Cheapest in

June

Average price

$1,194
From Singapore Changi to Portland
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One-way flight from Singapore Changi to Portland
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Highest demand for flights based on searches. 10% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 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 3, 2025.

This Priceline deal was found by Cheapflights users on 7/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/89:10 amSIN - PDX
1 stop28h 51mAir Canada
Thu 7/2410:05 amPDX - SIN
2 stops23h 40mAir Canada
Deal found 7/1$785
This Asiana Airlines deal was found by Cheapflights users on 7/3. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/210:50 pmSIN - PDX
2 stops36h 47mAsiana Airlines
Tue 9/167:35 pmPDX - SIN
2 stops34h 55mAsiana Airlines
Deal found 7/3$861
This oojo deal was found by Cheapflights users on 7/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/152:00 amSIN - PDX
2 stops46h 45mChina Airlines
Sat 8/231:24 pmPDX - SIN
2 stops44h 11mChina Airlines
Deal found 7/2$978
This Air Canada deal was found by Cheapflights users on 7/1. 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.
Thu 7/109:10 amSIN - PDX
1 stop24h 36mMultiple Airlines
Fri 7/257:40 pmPDX - SIN
2 stops38h 10mMultiple Airlines
Deal found 7/1$992
This oojo deal was found by Cheapflights users on 7/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/151:10 pmSIN - PDX
2 stops35h 35mEVA Air
Fri 8/229:30 pmPDX - SIN
2 stops25h 20mEVA Air
Deal found 7/1$1,010
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/61:55 amSIN - PDX
2 stops35h 19mJapan Airlines
Thu 7/246:10 amPDX - SIN
2 stops27h 10mJapan Airlines
Deal found 7/1$1,045
This STARLUX Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 7/172:00 pmSIN - PDX
2 stops23h 56mSTARLUX Airlines
Sun 7/207:40 pmPDX - SIN
2 stops26h 00mSTARLUX Airlines
Deal found 7/2$1,074
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 9/11:55 amSIN - PDX
2 stops27h 26mAmerican Airlines
Tue 9/168:30 amPDX - SIN
2 stops24h 50mAmerican Airlines
Deal found 7/3$1,158
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Mon 7/78:45 amSIN - PDX
1 stop30h 50mUnited Airlines
Thu 7/247:37 amPDX - SIN
1 stop19h 48mUnited Airlines
Deal found 7/1$1,383

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 3, 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

Fri 11/14

10:00 am-6:30 pm

1 stop24h 30m

Portland

Tue 11/18

1:00 pm-7:55 am

2 stops26h 55m

$851

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 9/2

10:50 pm-8:37 pm

2 stops36h 47m

Portland

Tue 9/16

7:35 pm-9:30 pm

2 stops34h 55m

$861

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 8/15

2:00 am-9:45 am

2 stops46h 45m

Portland

Sat 8/23

1:24 pm-12:35 am

2 stops44h 11m

$978

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 8/15

1:10 pm-9:45 am

2 stops35h 35m

Portland

Fri 8/22

9:30 pm-1:50 pm

2 stops25h 20m

$1,010

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 7/17

2:00 pm-10:56 pm

2 stops23h 56m

Portland

Sun 7/20

7:40 pm-12:40 pm

2 stops26h 00m

$1,074

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 9/2

9:10 am-6:29 pm

2 stops24h 19m

Portland

Tue 9/16

7:40 pm-7:05 am

1 stop20h 25m

$1,086

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 7/25

8:05 am-2:41 pm

2 stops21h 36m

Portland

Fri 8/1

6:10 am-12:20 am

2 stops27h 10m

$1,149

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 9/1

1:55 am-2:21 pm

2 stops27h 26m

Portland

Tue 9/16

8:30 am-12:20 am

2 stops24h 50m

$1,158

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 7/17

8:45 am-2:55 pm

1 stop21h 10m

Portland

Sun 7/20

9:47 am-6:25 pm

1 stop41h 38m

$1,385

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 7/24

1:10 am-7:00 pm

2 stops32h 50m

Portland

Thu 7/31

12:40 am-5:00 am

2 stops37h 20m

$1,945

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 16 results
1
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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.

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

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 3, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air, and Japan Airlines from Singapore to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
189 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,215 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,505 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
744 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Asiana Airlines
8.2
Very good
452 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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 are the cheapest airlines flying from Singapore to Portland round-trip?

    Flying on Air Canada is currently your cheapest option to Portland, with prices starting at $851. Additional round-trip tickets that might be worth considering are offered by Asiana Airlines and China Airlines, with the lowest prices starting at $861 and $978, respectively. Air Canada is currently priced 33% below the average price you’ll pay for this route.

  • 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 $593. Users have also found prices from $623 and $626 on China Airlines and STARLUX 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 Singapore?

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

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