S$ 150+ Cheap flights from Portland

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10-1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PDX — SIN
19 Dec — 26 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Portland

Discover essential information about flights departing from Portland, including flight schedules, destinations, airlines operating at the Portland airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 19 November 2025.

Good one-way deal

S$ 177 or less
Price to beat on a one-way flight from Portland.
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Cheapest flights from Portland
Explore the most affordable flight options available from Portland. Find the lowest fares based on data from user searches, with prices last updated on 19 November 2025.

Sun 1-205:35PDX - HND
1 stop16h 15mUnited Airlines
Wed 11-216:25HND - PDX
1 stop13h 08mUnited Airlines
Deal found 18-11S$ 905
Tue 6-107:10PDX - HND
1 stop13h 55mDelta
Thu 29-117:35HND - PDX
1 stop21h 45mDelta
Deal found 17-11S$ 906
Sat 31-119:51PDX - HND
1 stop25h 59mUnited Airlines
Tue 10-216:25HND - PDX
1 stop15h 30mUnited Airlines
Deal found 16-11S$ 913
Sun 22-213:40PDX - HND
1 stop32h 10mUnited Airlines
Thu 26-222:55HND - PDX
1 stop17h 04mUnited Airlines
Deal found 16-11S$ 917
Sat 10-119:51PDX - HND
1 stop25h 59mUnited Airlines
Tue 3-221:55HND - PDX
2 stops19h 44mUnited Airlines
Deal found 17-11S$ 919
Sun 1-205:35PDX - HND
1 stop16h 15mUnited Airlines
Mon 9-216:25HND - PDX
1 stop13h 08mUnited Airlines
Deal found 17-11S$ 927
Sun 1-207:10PDX - HND
1 stop13h 55mDelta
Sat 14-217:35HND - PDX
1 stop21h 49mDelta
Deal found 16-11S$ 929
Sun 22-215:50PDX - HND
1 stop30h 00mUnited Airlines
Thu 5-321:55HND - PDX
2 stops42h 02mUnited Airlines
Deal found 18-11S$ 930
Sun 1-207:10PDX - HND
2 stops22h 40mKorean Air
Mon 9-202:00HND - PDX
2 stops31h 30mKorean Air
Deal found 17-11S$ 931
Sun 11-105:35PDX - HND
1 stop16h 15mUnited Airlines
Mon 26-121:55HND - PDX
2 stops19h 44mUnited Airlines
Deal found 18-11S$ 933
Sat 31-119:51PDX - HND
1 stop25h 59mUnited Airlines
Mon 9-222:55HND - PDX
1 stop17h 11mUnited Airlines
Deal found 18-11S$ 935
Sat 31-113:30PDX - HND
1 stop31h 35mDelta
Sun 8-217:35HND - PDX
1 stop15h 50mDelta
Deal found 18-11S$ 936

Find flights from Portland within your budget

 
Find flights departing from Portland that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 19 November 2025. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Singapore

Route

Depart

Return

Price

PortlandTokyo

PDX - HND

PDXHND

Portland

Mon 2-2

13:35-04:50

1 stop22h 15m

Tokyo Haneda

Thu 12-2

16:25-12:38

1 stop13h 13m

S$ 905

PortlandTokyo

PDX - HND

PDXHND

Portland

Wed 4-2

05:35-14:50

1 stop16h 15m

Tokyo Haneda

Wed 11-2

16:25-12:33

1 stop13h 08m

S$ 905

PortlandTokyo

PDX - HND

PDXHND

Portland

Tue 3-2

15:52-04:50

1 stop19h 58m

Tokyo Haneda

Fri 13-2

16:25-18:47

1 stop19h 22m

S$ 905

PortlandTokyo

PDX - HND

PDXHND

Portland

Sat 31-1

19:51-14:50

1 stop25h 59m

Tokyo Haneda

Thu 12-2

22:55-00:44

1 stop18h 49m

S$ 913

PortlandTokyo

PDX - HND

PDXHND

Portland

Sat 31-1

19:51-14:50

1 stop25h 59m

Tokyo Haneda

Wed 11-2

16:25-14:46

1 stop15h 21m

S$ 913

PortlandTokyo

PDX - HND

PDXHND

Portland

Mon 2-2

15:50-04:50

1 stop20h 00m

Tokyo Haneda

Mon 16-2

22:55-22:59

1 stop17h 04m

S$ 927

PortlandTokyo

PDX - HND

PDXHND

Portland

Sun 1-2

05:35-14:50

1 stop16h 15m

Tokyo Haneda

Mon 9-2

16:25-12:33

1 stop13h 08m

S$ 927

PortlandTokyo

PDX - HND

PDXHND

Portland

Tue 17-2

07:10-14:05

1 stop13h 55m

Tokyo Haneda

Sat 28-2

17:35-16:14

1 stop15h 39m

S$ 929

PortlandTokyo

PDX - HND

PDXHND

Portland

Sun 1-2

07:10-14:05

1 stop13h 55m

Tokyo Haneda

Sat 14-2

16:50-12:44

1 stop12h 54m

S$ 929

PortlandTokyo

PDX - HND

PDXHND

Portland

Sun 11-1

05:35-14:50

1 stop16h 15m

Tokyo Haneda

Mon 26-1

21:55-00:39

2 stops19h 44m

S$ 933

Flights are sorted by cheapest return flights first.

Deals found on 17-11

Showing 1-10 of 37 results
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Best time to book a flight from Portland

Have a flexible travel schedule? Discover the best time to fly from Portland with our price prediction graph.
Estimated return 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.

Travel insights for flights from Portland

Get recent, data-driven insights about flights from Portland including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Portland?

Use this chart to determine the optimal time to book a return flight from Portland to Singapore. Price data was last updated on 14 November 2025.

The price you pay for your flight from Portland may vary depending on when you book. For the best chance of a lower fare, look to book 72 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Portland (average of S$ 903). Flying from Portland in December will prove the most costly (average of S$ 1,080). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Direct flights from Oregon

Book a direct flight from one of these other cities located in Oregon.
Direct flights from Redmond

Related info for your journey

Access useful and relevant information related to your journey from Portland. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 19 November 2025.

  • What are the most popular destinations to fly to from Portland?

    This month, the top selected destinations from Portland are Atlanta, Boston, Chicago. Throughout the year, Boston, Chicago, Atlanta are some of the top choices made by users flying from Portland.

  • What is the cheapest flight from Portland to anywhere?

    Users have flown out of Portland for as low as S$ 167 to Reno (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 177 to fly from Portland.

  • What is the cheapest premium economy flight from Portland?

    Options for some of the cheapest premium economy flights from Portland we have found on Cheapflights are as follows:
    Portland to San Francisco from S$ 1,503
    Portland to Vancouver Intl Airport from S$ 2,452

  • What is the cheapest month to fly from Portland?

    Currently, the cheapest month for flights from Portland is September. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from Portland?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Portland today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from Portland?

    Cheapflights helps you find that perfect flight from Portland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Portland with no change fees?

    Yes! Cheapflights helps users easily find flights from Portland with no change fees.

  • Can Cheapflights notify me if prices for flights from Portland become cheaper?

    Yes! Start tracking prices for flights from Portland today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Portland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Portland?

Cheapflights helps you find that perfect flight from Portland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Portland with no change fees?

Yes! Cheapflights helps users easily find flights from Portland with no change fees.

Can Cheapflights notify me if prices for flights from Portland become cheaper?

Yes! Start tracking prices for flights from Portland today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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