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Cheap flights from Portland (PDX) to Singapore (SIN) from $579

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 10/15. 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
May 10 — May 171
From?
To?
Fri 5/10
Fri 5/17
1 adult, Economy
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The best prices from Portland to Singapore Changi are usually found in February or October, booked 14 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Cheap flight deals from Portland to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Singapore (SIN). 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 May 5, 2024.

Popular in

December

Cheapest in

February

Round-trip from

$1,139

One-way from

$579
High demand for flights, 24% potential price rise
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Best time to find cheap flights, 15% potential price drop
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From Portland to Singapore Changi
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One-way flight from Portland to Singapore Changi
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What is the cheapest day to fly round-trip from Portland to Singapore?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Singapore. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Portland to Singapore?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 15 days in advance, which can save you up to 12% on flights from Portland to Singapore compared to booking the week you need them. Waiting 15 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,110. For sooner than that we have options available in the next 3 days from $1,238.

What is the cheapest month to fly from Portland to Singapore?

Flights from Portland to Singapore lean towards being more expensive in December. Prices are generally better when you fly from Portland to Singapore in February, with the cheapest ticket starting at $1,109.

When is the cheapest time to fly from Portland to Singapore (PDX - SIN)?

It’s optimal to fly from Portland to Singapore at noon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the afternoon.

Cheap Japan Airlines flights from Portland to Singapore

Explore cheap flight options specifically provided by Japan Airlines for the route between Portland and Singapore. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Take a peek at the cheapest Japan Airlines flights we've detected traveling from Portland to Singapore. It's recommended that users confirm their flight details before booking.
Sat 10/1210:15 amPDX - SIN
2 stops23h 05mJapan Airlines
Wed 10/161:50 amSIN - PDX
2 stops28h 59mJapan Airlines
Deal found 5/4$980
Sat 10/123:00 pmPDX - SIN
2 stops42h 20mJapan Airlines
Thu 10/178:05 amSIN - PDX
2 stops22h 44mJapan Airlines
Deal found 5/4$1,000
Sat 9/1410:30 amPDX - SIN
2 stops22h 50mJapan Airlines
Sat 9/288:05 amSIN - PDX
2 stops28h 44mJapan Airlines
Deal found 5/4$1,002
Mon 5/137:00 amPDX - SIN
2 stops43h 35mJapan Airlines
Sun 6/309:50 pmSIN - PDX
2 stops39h 03mJapan Airlines
Deal found 5/4$1,195
Mon 5/137:00 amPDX - SIN
2 stops43h 35mJapan Airlines
Sun 6/309:50 pmSIN - PDX
2 stops39h 03mJapan Airlines
Deal found 5/5$1,200
Mon 5/137:00 amPDX - SIN
2 stops43h 35mJapan Airlines
Sat 6/291:50 amSIN - PDX
2 stops35h 03mJapan Airlines
Deal found 5/5$1,525
Mon 5/137:00 amPDX - SIN
2 stops26h 20mJapan Airlines
Sat 6/291:50 amSIN - PDX
2 stops35h 03mJapan Airlines
Deal found 5/4$1,556
Thu 6/67:00 amPDX - SIN
2 stops26h 20mJapan Airlines
Sat 6/151:50 amSIN - PDX
2 stops35h 03mJapan Airlines
Deal found 5/4$1,609
Sat 5/117:00 amPDX - SIN
2 stops26h 20mJapan Airlines
Wed 5/151:50 amSIN - PDX
2 stops29h 07mJapan Airlines
Deal found 5/4$1,669

Cheap Singapore Airlines flights from Portland to Singapore

Explore cheap flight options specifically provided by Singapore Airlines for the route between Portland and Singapore. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
To aid your search, here are some of the cheapest Singapore Airlines flights we've found from Portland to Singapore. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sat 10/126:35 amPDX - SIN
1 stop32h 05mSingapore Airlines
Thu 10/179:00 amSIN - PDX
1 stop18h 21mSingapore Airlines
Deal found 5/4$1,080
Sat 9/147:00 amPDX - SIN
1 stop21h 10mSingapore Airlines
Sat 9/289:15 amSIN - PDX
1 stop38h 22mSingapore Airlines
Deal found 5/4$1,237
Mon 5/137:00 amPDX - SIN
1 stop21h 10mSingapore Airlines
Sun 6/309:15 amSIN - PDX
1 stop37h 27mSingapore Airlines
Deal found 5/4$2,077
Sat 5/116:00 amPDX - SIN
1 stop34h 50mSingapore Airlines
Thu 5/169:15 amSIN - PDX
1 stop39h 33mSingapore Airlines
Deal found 5/4$9,714

Cheap Portland to Singapore flights in May & June 2024

Find cheap flight options from Portland to Singapore specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Prices were last updated on May 5, 2024.
These are some of the best deals we've found on flights to Singapore in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 5/1111:59 pmPDX - SIN
2 stops39h 16mAmerican Airlines
Thu 5/168:05 amSIN - PDX
2 stops27h 42mAmerican Airlines
Deal found 5/4$1,027
Thu 6/66:55 pmPDX - SIN
1 stop21h 15mAir Canada
Sat 6/159:10 amSIN - PDX
1 stop24h 05mAir Canada
Deal found 5/4$1,096
Mon 5/610:40 amPDX - SIN
2 stops22h 40mJapan Airlines
Sun 6/309:50 pmSIN - PDX
2 stops39h 03mJapan Airlines
Deal found 5/4$1,179
Mon 5/137:00 amPDX - SIN
2 stops43h 35mJapan Airlines
Sun 6/309:50 pmSIN - PDX
2 stops39h 03mJapan Airlines
Deal found 5/4$1,195
Mon 5/137:00 amPDX - SIN
2 stops43h 35mJapan Airlines
Sun 6/309:50 pmSIN - PDX
2 stops39h 03mJapan Airlines
Deal found 5/5$1,200
Sun 6/166:55 pmPDX - SIN
1 stop21h 15mAir Canada
Tue 7/169:10 amSIN - PDX
1 stop24h 07mAir Canada
Deal found 5/3$1,201
Thu 6/610:20 amPDX - SIN
2 stops23h 00mMultiple Airlines
Fri 6/148:05 amSIN - PDX
2 stops28h 48mMultiple Airlines
Deal found 5/4$1,223
Sun 6/166:55 pmPDX - SIN
1 stop21h 15mAir Canada
Sun 7/149:10 amSIN - PDX
1 stop24h 07mAir Canada
Deal found 5/3$1,224
Mon 5/611:50 pmPDX - SIN
2 stops40h 20mMultiple Airlines
Sun 6/309:10 amSIN - PDX
1 stop28h 02mMultiple Airlines
Deal found 5/4$1,245

Portland to Singapore 2024 flight deals

Discover exclusive flight deals for travel between Portland and Singapore in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
These are some of the best deals we've found on flights to Singapore in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 11/211:35 pmPDX - SIN
2 stops26h 35mMultiple Airlines
Sun 12/110:00 amSIN - PDX
1 stop28h 46mMultiple Airlines
Deal found 5/4$965
Fri 9/2010:30 amPDX - SIN
2 stops22h 50mJapan Airlines
Mon 10/148:05 amSIN - PDX
2 stops22h 44mJapan Airlines
Deal found 5/5$972
Sat 10/1210:15 amPDX - SIN
2 stops23h 05mJapan Airlines
Wed 10/161:50 amSIN - PDX
2 stops28h 59mJapan Airlines
Deal found 5/4$980
Sat 10/123:00 pmPDX - SIN
2 stops42h 20mJapan Airlines
Thu 10/178:05 amSIN - PDX
2 stops22h 44mJapan Airlines
Deal found 5/4$1,000
Sat 9/1410:30 amPDX - SIN
2 stops22h 50mJapan Airlines
Sat 9/288:05 amSIN - PDX
2 stops28h 44mJapan Airlines
Deal found 5/4$1,002
Sat 5/1111:59 pmPDX - SIN
2 stops39h 16mAmerican Airlines
Thu 5/168:05 amSIN - PDX
2 stops27h 42mAmerican Airlines
Deal found 5/4$1,027
Fri 9/207:00 amPDX - SIN
1 stop21h 10mSingapore Airlines
Mon 10/149:15 amSIN - PDX
1 stop37h 34mSingapore Airlines
Deal found 5/5$1,067
Sat 10/126:35 amPDX - SIN
1 stop32h 05mSingapore Airlines
Thu 10/179:00 amSIN - PDX
1 stop18h 21mSingapore Airlines
Deal found 5/4$1,080
Sun 10/206:00 amPDX - SIN
1 stop34h 10mAir Canada
Thu 10/249:10 amSIN - PDX
1 stop24h 07mAir Canada
Deal found 5/3$1,082

Portland to Singapore flights leaving soon

Find last-minute flight options from Portland to Singapore for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Have a look at some of the last-minute flights available departing from Portland to Singapore. To prevent any unwanted surprises, users should verify their flight info before booking.
Sat 5/1111:59 pmPDX - SIN
2 stops39h 16mAmerican Airlines
Thu 5/168:05 amSIN - PDX
2 stops27h 42mAmerican Airlines
Deal found 5/4$1,027
Mon 5/137:00 amPDX - SIN
2 stops43h 35mJapan Airlines
Sun 6/309:50 pmSIN - PDX
2 stops39h 03mJapan Airlines
Deal found 5/4$1,195
Mon 5/137:00 amPDX - SIN
2 stops43h 35mJapan Airlines
Sun 6/309:50 pmSIN - PDX
2 stops39h 03mJapan Airlines
Deal found 5/5$1,200
Mon 5/1311:50 pmPDX - SIN
2 stops40h 20mMultiple Airlines
Sun 6/309:10 amSIN - PDX
1 stop28h 02mMultiple Airlines
Deal found 5/5$1,245
Sat 5/113:55 pmPDX - SIN
1 stop23h 50mUnited Airlines
Thu 5/169:00 amSIN - PDX
1 stop24h 51mUnited Airlines
Deal found 5/4$1,256
Sat 5/1110:28 amPDX - SIN
1 stop29h 17mUnited Airlines
Thu 5/169:00 amSIN - PDX
2 stops28h 45mUnited Airlines
Deal found 5/4$1,261
Mon 5/137:00 amPDX - SIN
2 stops43h 35mJapan Airlines
Sat 6/291:50 amSIN - PDX
2 stops35h 03mJapan Airlines
Deal found 5/5$1,525
Mon 5/137:00 amPDX - SIN
2 stops26h 20mJapan Airlines
Sat 6/291:50 amSIN - PDX
2 stops35h 03mJapan Airlines
Deal found 5/4$1,556
Sat 5/117:00 amPDX - SIN
2 stops26h 20mJapan Airlines
Wed 5/151:50 amSIN - PDX
2 stops29h 07mJapan Airlines
Deal found 5/4$1,669

One-way flights to Singapore from Portland

Search for one-way flight options from Portland to Singapore. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Some of the best available deals we've found on one-way flights from Portland to Singapore. Users needing a return flight from Portland to Singapore should utilize the search form above.
Tue 10/156:55 pmPDX - SIN
1 stop21h 15mAir Canada
Deal found 5/4$579
Tue 10/156:35 amPDX - SIN
2 stops26h 45mJapan Airlines
Deal found 5/4$613
Sat 5/115:00 amPDX - SIN
2 stops34h 45mUnited Airlines
Deal found 5/4$627
Sat 5/111:31 pmPDX - SIN
3 stops55h 34mMultiple Airlines
Deal found 5/4$700
Tue 10/156:35 pmPDX - SIN
3 stops29h 50mCathay Pacific
Deal found 5/4$888
Sat 5/111:31 pmPDX - SIN
1 stop25h 09mMultiple Airlines
Deal found 5/4$1,119
Mon 10/1412:50 amPDX - SIN
2 stops37h 10mDelta
Deal found 5/4$1,186
Fri 5/1012:40 amPDX - SIN
2 stops37h 20mDelta
Deal found 5/4$1,574

Find flights from Portland to Singapore within your budget

Customize your flight search to find flights from Portland to Singapore 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 2,795,183 searches. Data last updated May 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$980 - $1,415

Route

Depart

Return

Price

PortlandSingapore Changi

PDX - SIN

PDXSIN

Portland

Sat 10/12

2 stops23h 05m

Singapore Changi

Wed 10/16

2 stops28h 59m

$980

PortlandSingapore Changi

PDX - SIN

PDXSIN

Portland

Sat 10/12

1 stop32h 05m

Singapore Changi

Thu 10/17

1 stop18h 21m

$1,080

PortlandSingapore Changi

PDX - SIN

PDXSIN

Portland

Sun 10/20

1 stop34h 10m

Singapore Changi

Thu 10/24

1 stop24h 07m

$1,082

PortlandSingapore Changi

PDX - SIN

PDXSIN

Portland

Thu 10/31

2 stops32h 25m

Singapore Changi

Sun 11/10

2 stops27h 21m

$1,090

PortlandSingapore Changi

PDX - SIN

PDXSIN

Portland

Thu 10/31

1 stop34h 30m

Singapore Changi

Tue 11/12

2 stops24h 36m

$1,099

PortlandSingapore Changi

PDX - SIN

PDXSIN

Portland

Sun 10/20

2 stops38h 50m

Singapore Changi

Thu 10/24

2 stops33h 40m

$1,195

PortlandSingapore Changi

PDX - SIN

PDXSIN

Portland

Thu 10/31

1 stop23h 30m

Singapore Changi

Mon 11/11

2 stops28h 23m

$1,261

PortlandSingapore Changi

PDX - SIN

PDXSIN

Portland

Wed 7/24

2 stops38h 16m

Singapore Changi

Sun 8/11

2 stops43h 28m

$1,314

PortlandSingapore Changi

PDX - SIN

PDXSIN

Portland

Sun 10/20

2 stops36h 00m

Singapore Changi

Wed 10/23

2 stops29h 17m

$1,415

Flights are sorted by cheapest first

Deals found on 5/4

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

Use this chart to determine the optimal time to book a round-trip flight from Portland to Singapore. Price data was last updated on May 3, 2024.
The price you pay for your flight from Portland to Singapore may vary depending on when you book. For the best chance of a lower fare, look to book 14 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from Portland to Singapore?

Use this chart to determine the cheapest time to fly round-trip from Portland to Singapore. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland to Singapore flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Singapore by month

Plan your trip from Portland to Singapore by taking into account the cheapest months to travel. The average price of a one-way flight from Portland to Singapore is currently $911 while a round-trip flight costs $1,168. Price data was last updated on April 28, 2024.

Currently, April is the cheapest month in which you can book a flight from Portland to Singapore (average of $1,139). Flying from Portland to Singapore in June is currently the most expensive (average of $1,678). 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.

January

$1,176

February

$1,166

March

$1,148

April

$1,139

May

$1,294

June

$1,678

July

$1,565

August

$1,289

September

$1,256

October

$1,215

November

$1,255

December

$1,431

Temperature and rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average temperature and rainfall totals by month.

SIN

Temperature

78.8 - 82.4 °F

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated May 5, 2024.
Read reviews from past customers who have flown Japan Airlines, Singapore Airlines and Air Canada from Portland to Singapore. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.5
Very good
928 reviews
Check prices

Entertainment

8.0

Overall

8.5

Boarding

8.6

Food

7.8

Crew

8.8

Comfort

8.3

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

ANA
8.5
Very good
928 reviews
ANA
8.5
Very good
928 reviews
Check prices

Entertainment

8.0

Overall

8.5

Boarding

8.6

Food

7.8

Crew

8.8

Comfort

8.3

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

Japan Airlines
8.3
Very good
1,486 reviews
ANA
8.5
Very good
928 reviews
Check prices

Entertainment

8.0

Overall

8.5

Boarding

8.6

Food

7.8

Crew

8.8

Comfort

8.3

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

Singapore Airlines
8.3
Very good
1,465 reviews
ANA
8.5
Very good
928 reviews
Check prices

Entertainment

8.0

Overall

8.5

Boarding

8.6

Food

7.8

Crew

8.8

Comfort

8.3

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

Delta
8.1
Very good
10,838 reviews
ANA
8.5
Very good
928 reviews
Check prices

Entertainment

8.0

Overall

8.5

Boarding

8.6

Food

7.8

Crew

8.8

Comfort

8.3

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

KLM
7.9
Good
1,604 reviews
ANA
8.5
Very good
928 reviews
Check prices

Entertainment

8.0

Overall

8.5

Boarding

8.6

Food

7.8

Crew

8.8

Comfort

8.3

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

Related info for your journey

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

  • Can I find flights from Portland to Singapore for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Portland to Singapore for under $1,000. The cheapest flight booked recently is on Japan Airlines for just $980, but on average you can expect to pay $1,140.

  • Are there last-minute flights available from Portland to Singapore for under $1,100?

    There are currently 20+ open flights from Portland to Singapore within the next 7 days for less than $1,100.

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

    Flying on Japan Airlines is currently your cheapest option to Singapore, with prices starting at $980. Additional round-trip tickets that might be worth considering are offered by Singapore Airlines and Air Canada, with the lowest prices starting at $1,080 and $1,082, respectively. Japan Airlines is currently priced 31% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Portland to Singapore are Air Canada ($579), Japan Airlines ($613), and United Airlines ($627).

  • What are the most popular airlines that fly from Portland to Singapore?

    Before booking your flight from Portland to Singapore check out the most popular airlines for this route: Air Canada, Japan Airlines or Korean Air.

  • What does PDX to SIN mean?

    PDX and SIN are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. PDX to SIN refers to a flight route from Portland Airport to Singapore Changi Airport.

  • Can I find deals for flights from Portland to Singapore that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to Singapore flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to Singapore with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to Singapore flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Portland to Singapore that allow pets onboard?

    Many airlines flying from Portland to Singapore offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to Singapore?

    Yes, you can often find last-minute deals on Portland to Singapore flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland to Singapore flight deals updated?

    The Portland to Singapore flight deals you see on this page were last updated on 5/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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

Eugene to Singapore flights

Top 5 airlines flying from Portland to Singapore

Discover the top 5 airlines that operate flights from Portland to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,099Average$1,427FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Singapore AirlinesCheapest$1,107Average$1,519FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Korean AirCheapest$1,145Average$1,181FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Japan AirlinesCheapest$1,153Average$1,702FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
United AirlinesCheapest$1,161Average$1,329FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Portland to Singapore by cabin class

Find flights from Portland to Singapore, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

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

How does Cheapflights help users find flights from Portland to Singapore?

Cheapflights helps you search for flights from Portland to Singapore via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Singapore 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 to Singapore with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portland to Singapore, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Portland to Singapore on Cheapflights with our Price Alert feature and get notified when better prices are available.

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