$498+ Cheap flights from Portland (PDX) to Singapore
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SIN
Dec 7 — Dec 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to Singapore 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 Portland to Singapore
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to SingaporeExplore the most affordable flight options available from Portland to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2026.
Explore the most affordable flight options available from Portland to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2026.
This Orbitz deal was found by Cheapflights users on 11/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:45 pm -
2 stops27h 25m
Wed 11/1811:45 pm -
2 stops34h 46m
Deal found 11/4![Multiple Airlines logo]()
$1,068
This FlightHub deal was found by Cheapflights users on 11/6. 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.
Tue 12/16:33 am -
2 stops27h 52m
Thu 12/1712:25 am -
2 stops31h 08m
Deal found 11/6![Multiple Airlines logo]()
$1,073
This Expedia deal was found by Cheapflights users on 11/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:59 pm -
2 stops33h 41m
Wed 11/2511:10 pm -
2 stops34h 13m
Deal found 11/5![Multiple Airlines logo]()
$1,096
This SmartFares deal was found by Cheapflights users on 11/7. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:08 am -
2 stops25h 37m
Tue 12/86:35 am -
2 stops22h 53m
Deal found 11/7![Multiple Airlines logo]()
$1,101
This FlightHub deal was found by Cheapflights users on 11/6. 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.
Fri 12/47:00 am -
2 stops27h 25m
Thu 12/1012:25 am -
2 stops39h 05m
Deal found 11/6![Multiple Airlines logo]()
$1,113
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Wed 11/117:26 pm -
1 stop20h 34m
Mon 11/2310:10 am -
1 stop20h 24m
Deal found 11/6![United Airlines logo]()
$1,142
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/167:26 pm -
1 stop32h 49m
Wed 11/2510:10 am -
1 stop20h 27m
Deal found 11/5![United Airlines logo]()
$1,148
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Sun 11/159:00 am -
2 stops53h 55m
Tue 12/810:10 am -
1 stop20h 28m
Deal found 11/7![United Airlines logo]()
$1,157
Best flights from Portland to SingaporeDiscover carefully curated flight deals from Portland to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 7, 2026.
Discover carefully curated flight deals from Portland to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 7, 2026.
This FlightHub deal was found by Cheapflights users on 11/7. 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.
Thu 1/219:30 pm -
2 stops43h 15m
Thu 2/118:15 pm -
2 stops42h 29m
Deal found 11/7![Qatar Airways logo]()
$1,097
This Air Canada deal was found by Cheapflights users on 11/7. 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 1/217:00 am -
1 stop32h 00m
Thu 2/118:30 am -
2 stops22h 11m
Deal found 11/7![Multiple Airlines logo]()
$1,133
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Wed 11/115:30 am -
1 stop22h 45m
Mon 11/2310:10 am -
1 stop26h 52m
Deal found 11/7![United Airlines logo]()
$1,142
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Thu 1/215:30 am -
1 stop22h 45m
Thu 2/1110:10 am -
1 stop26h 51m
Deal found 11/7![United Airlines logo]()
$1,150
Last-minute flights from Portland to SingaporeDiscover last-minute flight deals from Portland to Singapore. Data last updated November 7, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Singapore. Data last updated November 7, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 11/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:45 pm -
2 stops27h 25m
Wed 11/1811:45 pm -
2 stops34h 46m
Deal found 11/4![Multiple Airlines logo]()
$1,068
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Wed 11/117:26 pm -
1 stop20h 34m
Mon 11/2310:10 am -
1 stop20h 24m
Deal found 11/6![United Airlines logo]()
$1,142
This Expedia deal was found by Cheapflights users on 11/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:59 pm -
2 stops33h 41m
Wed 11/2511:10 pm -
2 stops34h 13m
Deal found 11/5![Multiple Airlines logo]()
$1,096
This SmartFares deal was found by Cheapflights users on 11/7. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:08 am -
2 stops25h 37m
Tue 12/86:35 am -
2 stops22h 53m
Deal found 11/7![Multiple Airlines logo]()
$1,101
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Sun 11/159:00 am -
2 stops53h 55m
Tue 12/810:10 am -
1 stop20h 28m
Deal found 11/7![United Airlines logo]()
$1,157
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/167:26 pm -
1 stop32h 49m
Wed 11/2510:10 am -
1 stop20h 27m
Deal found 11/5![United Airlines logo]()
$1,148
This FlightHub deal was found by Cheapflights users on 11/6. 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.
Tue 12/16:33 am -
2 stops27h 52m
Thu 12/1712:25 am -
2 stops31h 08m
Deal found 11/6![Multiple Airlines logo]()
$1,073
This FlightHub deal was found by Cheapflights users on 11/6. 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.
Fri 12/47:00 am -
2 stops27h 25m
Thu 12/1012:25 am -
2 stops39h 05m
Deal found 11/6![Multiple Airlines logo]()
$1,113
One-way flights from Portland to SingaporeSearch for one-way flight options from Portland to Singapore. Find affordable one-way fares based on user searches. Data last updated November 7, 2026.
Search for one-way flight options from Portland to Singapore. Find affordable one-way fares based on user searches. Data last updated November 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2810:59 pm -
2 stops50h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$498
This Expedia deal was found by Cheapflights users on 11/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/67:30 am -
2 stops24h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$557
This SmartFares deal was found by Cheapflights users on 11/7. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/77:09 am -
2 stops25h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Cathay Pacific logo]()
$599
This FlightHub deal was found by Cheapflights users on 11/6. 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.
Thu 1/77:09 am -
2 stops41h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$613
This Korean Air deal was found by Cheapflights users on 11/6. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:00 am -
2 stops30h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Korean Air logo]()
$617
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/812:06 pm -
3 stops40h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$693
This Mytrip deal was found by Cheapflights users on 11/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
2 stops24h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$706
Find flight deals from Portland to Singapore
Keep the following information in mind while searching for Portland to Singapore flight deals. Data was last updated November 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,032 (FlightHub) |
One-way from | $498 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,000 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated November 7, 2026.
Use the filters below to find and compare flights from Portland to Singapore that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Thu 1/28
10:59 pm-5:45 pm
2 stops50h 46m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
$498
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Thu 1/7
7:09 am-12:20 am
2 stops25h 11m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
$599
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Tue 12/8
12:06 pm-8:30 pm
3 stops40h 24m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
$693
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Thu 1/7
5:01 pm-7:05 pm
1 stop34h 04m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
$794
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Thu 12/10
2:45 pm-4:40 am
3 stops45h 55m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
$808
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Wed 1/6
6:01 pm-7:05 pm
1 stop33h 04m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
$857
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Tue 12/8
7:25 pm-8:15 pm
1 stop32h 50m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
$902
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Thu 1/7
5:30 am-8:15 pm
1 stop22h 45m
Singapore Changi
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
$1,035
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Thu 1/21
9:30 pm-8:45 am
2 stops43h 15m
Singapore Changi
Thu 2/11
8:15 pm-10:44 pm
2 stops42h 29m
$1,097
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Thu 1/21
7:00 am-7:00 am
1 stop32h 00m
Singapore Changi
Thu 2/11
8:30 am-2:41 pm
2 stops22h 11m
$1,133
Showing 1-10 of 15 resultsSorted by cheapest first
Best time to book a flight from Portland to Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore from Portland with our price prediction graph.
PDX-SIN
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 Portland to Singapore
PDX-SG0
PDX-SIN
What is the cheapest month to book a flight from Portland to Singapore?
Currently, April is the cheapest month in which you can book a flight from Portland to Singapore (average of $996). Flying from Portland to Singapore in December is currently the most expensive (average of $1,301). 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.
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 November 7, 2026.
Read reviews from past customers who have flown Singapore Airlines,United Airlines, andAir Canada from Portland to Singapore. 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.
Boarding
8.3
Comfort
8.0
Crew
8.6
Entertainment
8.1
Overall
8.2
Food
7.8
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Boarding
8.3
Comfort
8.0
Crew
8.6
Entertainment
8.1
Overall
8.2
Food
7.8
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Boarding
8.3
Comfort
8.0
Crew
8.6
Entertainment
8.1
Overall
8.2
Food
7.8
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Boarding
8.3
Comfort
8.0
Crew
8.6
Entertainment
8.1
Overall
8.2
Food
7.8
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
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.
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Portland to Singapore
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Singapore by adding a car rental and/or hotel reservation to your travel itinerary.
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.
Portland and Singapore flights
Browse other Portland and Singapore flight options. Last updated on November 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Portland to Singapore
Discover the top 3 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 7,457,451 searches. Data last updated November 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$789 | Average$1,002 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$842 | Average$1,220 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,024 | Average$1,254 | FlexibilityNo cancel fee | On-time69% |