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$583+ 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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$973
(EVA Air)

One-way from

$583
(CheapOair)

Popular in

April

Cheapest in

June

Average price

$1,035
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. 9% potential increase in price ($131 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This EVA Air deal was found by Cheapflights users on 6/10. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/21:10 pmSIN - PDX
2 stops24h 34mMultiple Airlines
Tue 9/169:30 pmPDX - SIN
2 stops23h 30mMultiple Airlines
Deal found 6/10$973
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/263:10 pmSIN - PDX
2 stops31h 42mEVA Air
Sat 8/29:59 pmPDX - SIN
2 stops23h 01mEVA Air
Deal found 6/11$990
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/252:00 amSIN - PDX
2 stops44h 52mChina Airlines
Sat 8/28:15 pmPDX - SIN
2 stops37h 20mChina Airlines
Deal found 6/11$1,093
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/258:05 amSIN - PDX
2 stops31h 22mAmerican Airlines
Fri 8/15:30 amPDX - SIN
2 stops27h 50mAmerican Airlines
Deal found 6/10$1,130
This Priceline deal was found by Cheapflights users on 6/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/231:55 amSIN - PDX
2 stops26h 55mJapan Airlines
Tue 7/17:55 amPDX - SIN
2 stops25h 25mJapan Airlines
Deal found 6/10$1,143
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/249:10 amSIN - PDX
1 stop24h 36mAir Canada
Tue 7/16:15 amPDX - SIN
2 stops25h 25mAir Canada
Deal found 6/10$1,187
This Singapore Airlines deal was found by Cheapflights users on 6/10. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/29:15 amSIN - PDX
1 stop19h 19mSingapore Airlines
Tue 9/167:00 amPDX - SIN
1 stop19h 35mSingapore Airlines
Deal found 6/10$1,272
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/258:40 pmSIN - PDX
1 stop38h 57mUnited Airlines
Fri 8/19:47 amPDX - SIN
1 stop29h 28mUnited Airlines
Deal found 6/10$1,448
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/11:10 amSIN - PDX
2 stops30h 49mDelta
Mon 9/1512:40 amPDX - SIN
2 stops37h 20mDelta
Deal found 6/11$1,560
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2512:40 amSIN - PDX
1 stop25h 40mKLM
Sat 8/21:15 pmPDX - SIN
1 stop35h 15mKLM
Deal found 6/11$2,493
This AranGrant deal was found by Cheapflights users on 6/10. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/242:00 pmSIN - PDX
2 stops23h 56mSTARLUX Airlines
Tue 7/19:59 pmPDX - SIN
2 stops23h 41mSTARLUX Airlines
Deal found 6/10$14,441

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 June 12, 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 9/2

1:10 pm-10:44 pm

2 stops24h 34m

Portland

Tue 9/16

9:30 pm-12:00 pm

2 stops23h 30m

$973

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 7/26

3:10 pm-7:52 am

2 stops31h 42m

Portland

Sat 8/2

9:59 pm-12:00 pm

2 stops23h 01m

$990

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 7/25

2:00 am-7:52 am

2 stops44h 52m

Portland

Sat 8/2

8:15 pm-12:35 am

2 stops37h 20m

$1,093

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 7/25

8:05 am-12:27 am

2 stops31h 22m

Portland

Fri 8/1

5:30 am-12:20 am

2 stops27h 50m

$1,130

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 6/23

1:55 am-1:50 pm

2 stops26h 55m

Portland

Tue 7/1

7:55 am-12:20 am

2 stops25h 25m

$1,143

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 6/24

9:10 am-6:46 pm

1 stop24h 36m

Portland

Tue 7/1

6:15 am-10:40 pm

2 stops25h 25m

$1,187

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 9/2

9:15 am-1:34 pm

1 stop19h 19m

Portland

Tue 9/16

7:00 am-5:35 pm

1 stop19h 35m

$1,272

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 7/25

8:40 pm-8:37 pm

1 stop38h 57m

Portland

Fri 8/1

9:47 am-6:15 am

1 stop29h 28m

$1,448

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 9/1

1:10 am-4:59 pm

2 stops30h 49m

Portland

Mon 9/15

12:40 am-5:00 am

2 stops37h 20m

$1,560

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 7/25

12:40 am-11:20 am

1 stop25h 40m

Portland

Sat 8/2

1:15 pm-3:30 pm

1 stop35h 15m

$2,493

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 20 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.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
STARLUX Airlines
9.1
Wonderful
177 reviews

Crew

9.3

Overall

9.1

Food

8.8

Comfort

9.0

Entertainment

8.9

Boarding

9.0

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
177 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Crew

9.3

Overall

9.1

Food

8.8

Comfort

9.0

Entertainment

8.9

Boarding

9.0

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
1,202 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Crew

9.3

Overall

9.1

Food

8.8

Comfort

9.0

Entertainment

8.9

Boarding

9.0

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
1,490 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Crew

9.3

Overall

9.1

Food

8.8

Comfort

9.0

Entertainment

8.9

Boarding

9.0

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
738 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Crew

9.3

Overall

9.1

Food

8.8

Comfort

9.0

Entertainment

8.9

Boarding

9.0

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.
Singapore Airlines
8.1
Very good
1,302 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Crew

9.3

Overall

9.1

Food

8.8

Comfort

9.0

Entertainment

8.9

Boarding

9.0

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 EVA Air is currently your cheapest option to Portland, with prices starting at $990. Additional round-trip tickets that might be worth considering are offered by China Airlines and American Airlines, with the lowest prices starting at $1,093 and $1,130, respectively. EVA Air is currently priced 23% 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 $583. Users have also found prices from $612 and $662 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
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Longview
Hood River
Depoe Bay
Woodburn
Stevenson
Pacific City
Troutdale

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Alternative routes for Singapore to Portland

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