$489+ Cheap flights from Oregon to Singapore
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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SIN
Sep 17 — Sep 241
Round-trip
1 adult, Economy
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Find cheap flights from Oregon 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 Oregon to Singapore
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Cheapest flights from Oregon to SingaporeExplore the most affordable flight options available from Oregon to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
Explore the most affordable flight options available from Oregon to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Sat 11/77:04 am -
2 stops39h 56m
Fri 11/1312:25 am -
2 stops38h 53m
Deal found 8/17![Multiple Airlines logo]()
$985
This oojo deal was found by Cheapflights users on 8/13. 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.
Thu 9/107:03 am -
2 stops32h 07m
Mon 9/149:50 pm -
2 stops39h 16m
Deal found 8/13![Japan Airlines logo]()
$1,003
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:08 am -
2 stops33h 37m
Sun 11/223:15 am -
2 stops32h 33m
Deal found 8/14![Qatar Airways logo]()
$1,012
This oojo deal was found by Cheapflights users on 8/16. 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.
Tue 11/38:08 am -
2 stops32h 37m
Mon 11/163:15 am -
2 stops27h 58m
Deal found 8/16![Qatar Airways logo]()
$1,013
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/297:03 am -
1 stop21h 07m
Tue 10/69:05 am -
1 stop19h 27m
Deal found 8/15![Multiple Airlines logo]()
$1,020
This Gotogate deal was found by Cheapflights users on 8/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:07 am -
2 stops43h 38m
Mon 10/53:15 am -
2 stops33h 41m
Deal found 8/15![Qatar Airways logo]()
$1,023
This Gotogate deal was found by Cheapflights users on 8/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:48 am -
2 stops42h 27m
Wed 10/73:15 am -
2 stops34h 47m
Deal found 8/16![Qatar Airways logo]()
$1,026
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Mon 9/2811:48 am -
2 stops30h 02m
Tue 10/133:15 am -
2 stops44h 13m
Deal found 8/17![Qatar Airways logo]()
$1,032
This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:48 am -
2 stops36h 57m
Sat 10/103:15 am -
2 stops34h 47m
Deal found 8/16![Qatar Airways logo]()
$1,050
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Sat 10/245:48 pm -
2 stops37h 07m
Thu 10/299:15 am -
1 stop19h 17m
Deal found 8/15![Multiple Airlines logo]()
$1,051
This Ovago deal was found by Cheapflights users on 8/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:23 am -
2 stops27h 57m
Sun 9/138:05 am -
2 stops28h 33m
Deal found 8/16![Multiple Airlines logo]()
$1,100
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:23 am -
1 stop21h 12m
Fri 10/99:00 am -
1 stop20h 23m
Deal found 8/17![Multiple Airlines logo]()
$1,142
Best flights from Oregon to SingaporeDiscover carefully curated flight deals from Oregon to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
Discover carefully curated flight deals from Oregon to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
This Qatar Airways deal was found by Cheapflights users on 8/15. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3010:30 am -
2 stops30h 15m
Mon 2/88:15 pm -
2 stops40h 58m
Deal found 8/15![Qatar Airways logo]()
$1,065
This FlightHub deal was found by Cheapflights users on 8/13. 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 11/87:10 pm -
2 stops24h 05m
Sun 11/298:40 am -
1 stop28h 06m
Deal found 8/13![Air Canada logo]()
$1,101
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/215:30 am -
1 stop22h 05m
Fri 9/258:45 am -
1 stop20h 42m
Deal found 8/13![United Airlines logo]()
$1,137
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Fri 9/186:23 am -
1 stop21h 12m
Fri 10/29:00 am -
1 stop25h 25m
Deal found 8/15![Multiple Airlines logo]()
$1,154
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:54 am -
2 stops23h 56m
Sun 11/18:15 am -
2 stops20h 40m
Deal found 8/14![Alaska Airlines logo]()
$1,348
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 11/77:09 am -
1 stop21h 06m
Sat 11/1410:20 pm -
1 stop27h 58m
Deal found 8/17![United Airlines logo]()
$1,141
This United Airlines deal was found by Cheapflights users on 8/16. 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 11/117:10 am -
1 stop21h 05m
Mon 11/2310:10 am -
1 stop28h 36m
Deal found 8/16![United Airlines logo]()
$1,146
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/243:08 pm -
1 stop35h 27m
Sun 9/273:20 pm -
2 stops23h 33m
Deal found 8/14![Multiple Airlines logo]()
$1,317
This Qatar Airways deal was found by Cheapflights users on 8/13. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:23 pm -
2 stops52h 32m
Sun 11/18:15 pm -
2 stops53h 12m
Deal found 8/13![Qatar Airways logo]()
$1,335
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 11/77:09 am -
1 stop21h 06m
Fri 11/1310:20 pm -
1 stop18h 24m
Deal found 8/17![United Airlines logo]()
$1,146
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/285:30 am -
1 stop22h 05m
Wed 10/148:45 am -
2 stops27h 25m
Deal found 8/15![United Airlines logo]()
$1,151
This United Airlines deal was found by Cheapflights users on 8/17. 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 1/215:35 am -
1 stop22h 40m
Thu 2/1110:45 am -
2 stops25h 48m
Deal found 8/17![United Airlines logo]()
$1,152
This United Airlines deal was found by Cheapflights users on 8/13. 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 10/76:50 pm -
1 stop21h 25m
Mon 10/128:45 am -
1 stop29h 14m
Deal found 8/13![United Airlines logo]()
$1,156
This United Airlines deal was found by Cheapflights users on 8/13. 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 11/412:00 pm -
1 stop29h 00m
Sun 11/810:10 am -
1 stop26h 05m
Deal found 8/13![United Airlines logo]()
$1,156
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/118:05 am -
1 stop20h 30m
Fri 9/188:45 am -
1 stop24h 34m
Deal found 8/15![United Airlines logo]()
$1,156
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/27:05 pm -
1 stop21h 10m
Sun 9/138:35 pm -
1 stop28h 31m
Deal found 8/17![United Airlines logo]()
$1,156
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/306:50 pm -
1 stop21h 25m
Wed 10/78:45 am -
1 stop29h 14m
Deal found 8/15![United Airlines logo]()
$1,156
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Sat 9/128:05 am -
1 stop20h 30m
Sun 9/208:45 am -
1 stop20h 46m
Deal found 8/16![United Airlines logo]()
$1,156
This United Airlines deal was found by Cheapflights users on 8/13. 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 2/15:35 am -
1 stop22h 40m
Mon 2/1510:45 am -
2 stops30h 09m
Deal found 8/13![United Airlines logo]()
$1,157
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/185:40 pm -
2 stops34h 55m
Fri 10/28:45 am -
1 stop24h 44m
Deal found 8/15![United Airlines logo]()
$1,161
This United Airlines deal was found by Cheapflights users on 8/15. 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 10/287:00 am -
1 stop22h 15m
Sun 11/110:10 am -
1 stop21h 35m
Deal found 8/15![United Airlines logo]()
$1,991
Last-minute flights from Oregon to SingaporeDiscover last-minute flight deals from Oregon to Singapore. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Singapore. Data last updated August 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/18. 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 8/208:15 am -
1 stop20h 20m
Mon 8/318:45 am -
1 stop20h 46m
Deal found 8/18![United Airlines logo]()
$1,156
This Delta deal was found by Cheapflights users on 8/14. 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.
Thu 8/206:49 am -
2 stops32h 11m
Mon 8/3110:00 pm -
2 stops38h 30m
Deal found 8/14![Delta logo]()
$1,170
This Ovago deal was found by Cheapflights users on 8/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:23 am -
2 stops27h 57m
Sun 9/138:05 am -
2 stops28h 33m
Deal found 8/16![Multiple Airlines logo]()
$1,100
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/27:05 pm -
1 stop33h 30m
Sun 9/138:35 pm -
1 stop28h 31m
Deal found 8/18![United Airlines logo]()
$1,163
This oojo deal was found by Cheapflights users on 8/13. 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.
Thu 9/107:03 am -
2 stops32h 07m
Mon 9/149:50 pm -
2 stops39h 16m
Deal found 8/13![Japan Airlines logo]()
$1,003
This Air Canada deal was found by Cheapflights users on 8/13. 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 9/107:45 pm -
1 stop18h 30m
Mon 9/146:15 am -
2 stops27h 56m
Deal found 8/13![Air Canada logo]()
$1,075
This Ovago deal was found by Cheapflights users on 8/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:03 am -
2 stops26h 17m
Sun 9/208:05 am -
2 stops28h 33m
Deal found 8/17![Multiple Airlines logo]()
$1,148
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Fri 9/186:23 am -
1 stop21h 12m
Fri 10/29:00 am -
1 stop25h 25m
Deal found 8/15![Multiple Airlines logo]()
$1,154
This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:48 am -
2 stops36h 57m
Sat 10/103:15 am -
2 stops34h 47m
Deal found 8/16![Qatar Airways logo]()
$1,050
This FlightHub deal was found by Cheapflights users on 8/16. 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.
Mon 9/287:09 am -
2 stops41h 36m
Tue 10/133:15 am -
2 stops33h 41m
Deal found 8/16![Qatar Airways logo]()
$1,027
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/297:03 am -
1 stop21h 07m
Tue 10/69:05 am -
1 stop19h 27m
Deal found 8/15![Multiple Airlines logo]()
$1,020
This Gotogate deal was found by Cheapflights users on 8/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:07 am -
2 stops43h 38m
Mon 10/53:15 am -
2 stops33h 41m
Deal found 8/15![Qatar Airways logo]()
$1,023
One-way flights from Oregon to SingaporeSearch for one-way flight options from Oregon to Singapore. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
Search for one-way flight options from Oregon to Singapore. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 2/117:00 am -
2 stops25h 55m
Deal found 8/16![Multiple Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/292:40 pm -
2 stops39h 50m
Deal found 8/17![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Sun 12/62:30 pm -
2 stops39h 25m
Deal found 8/17![Multiple Airlines logo]()
$541
This Booking.com deal was found by Cheapflights users on 8/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1211:40 am -
2 stops29h 05m
Deal found 8/16![Alaska Airlines logo]()
$555
This SmartFares deal was found by Cheapflights users on 8/17. 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.
Mon 11/307:00 am -
2 stops25h 25m
Deal found 8/17![Multiple Airlines logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Fri 2/122:30 pm -
3 stops41h 40m
Deal found 8/16![Multiple Airlines logo]()
$634
This deal was found by Cheapflights users on 8/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:30 am -
1 stop22h 05m
Deal found 8/13![United Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/305:55 am -
1 stop22h 20m
Deal found 8/17![United Airlines logo]()
$678
This oojo deal was found by Cheapflights users on 8/16. 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 1/110:49 am -
2 stops45h 51m
Deal found 8/16![China Airlines logo]()
$713
This oojo deal was found by Cheapflights users on 8/15. 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.
Sun 11/227:00 am -
2 stops42h 25m
Deal found 8/15![Japan Airlines logo]()
$1,164
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Sun 11/227:00 am -
3 stops44h 40m
Deal found 8/15![Multiple Airlines logo]()
$1,371
This United Airlines deal was found by Cheapflights users on 8/15. 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 11/226:00 am -
1 stop22h 15m
Deal found 8/15![United Airlines logo]()
$1,406
Find flight deals from Oregon to Singapore
Keep the following information in mind while searching for Oregon to Singapore flight deals. Data was last updated August 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $985 (FlightHub) |
One-way from | $489 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $1,039 |
Cheapflights Fare Finder
Customize your flight search to find flights from Oregon 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 2,558,603 searches. Data last updated August 18, 2026.
Use the filters below to find and compare flights from Oregon 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
Wed 12/30
10:30 am-8:45 am
2 stops30h 15m
Singapore Changi
Mon 2/8
8:15 pm-9:13 pm
2 stops40h 58m
$1,065
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Sun 11/8
7:10 pm-11:15 am
2 stops24h 05m
Singapore Changi
Sun 11/29
8:40 am-8:46 pm
1 stop28h 06m
$1,101
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Mon 9/21
5:30 am-6:35 pm
1 stop22h 05m
Singapore Changi
Fri 9/25
8:45 am-2:27 pm
1 stop20h 42m
$1,137
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Sat 11/7
7:09 am-8:15 pm
1 stop21h 06m
Singapore Changi
Sat 11/14
10:20 pm-10:18 am
1 stop27h 58m
$1,141
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Wed 11/11
7:10 am-8:15 pm
1 stop21h 05m
Singapore Changi
Mon 11/23
10:10 am-10:46 pm
1 stop28h 36m
$1,146
Quickest round-trip
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Sat 11/7
7:09 am-8:15 pm
1 stop21h 06m
Singapore Changi
Fri 11/13
10:20 pm-12:44 am
1 stop18h 24m
$1,146
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Mon 9/28
5:30 am-6:35 pm
1 stop22h 05m
Singapore Changi
Wed 10/14
8:45 am-9:10 pm
2 stops27h 25m
$1,151
PortlandSingapore
PDX Portland - SIN Singapore Changi
PDXSIN
Portland
Thu 1/21
5:35 am-8:15 pm
1 stop22h 40m
Singapore Changi
Thu 2/11
10:45 am-8:33 pm
2 stops25h 48m
$1,152
BoiseSingapore
BOI Boise Air Term. Gowen Fld - SIN Singapore Changi
BOISIN
Boise Air Term. Gowen Fld
Fri 9/18
6:23 am-5:35 pm
1 stop21h 12m
Singapore Changi
Fri 10/2
9:00 am-8:25 pm
1 stop25h 25m
$1,154
BoiseSingapore
BOI Boise Air Term. Gowen Fld - SIN Singapore Changi
BOISIN
Boise Air Term. Gowen Fld
Wed 10/7
6:50 pm-6:15 am
1 stop21h 25m
Singapore Changi
Mon 10/12
8:45 am-11:59 pm
1 stop29h 14m
$1,156
Showing 1-10 of 37 resultsSorted by cheapest first
Best time to book a flight from Oregon to Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore from Oregon with our price prediction graph.
PDX-SIN
EUG-SIN
BOI-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 Oregon to Singapore
USOR-SG0
PDX-SIN
EUG-SIN
BOI-SIN
What is the cheapest month to book a flight from Oregon to Singapore?
Currently, January is the cheapest month in which you can book a flight from Oregon to Singapore (average of $891). Flying from Oregon to Singapore in December is currently the most expensive (average of $1,709). 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 far ahead should I book a flight from Oregon to Singapore?
The best time to book flights from Oregon to Singapore is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Related info for your journey
Find useful and relevant information for your journey from Oregon 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
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Alternative routes for Oregon 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 Oregon to Singapore by cabin class
Find flights from Oregon to Singapore, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Oregon and Singapore flights
Browse other Oregon and Singapore flight options. Last updated on August 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Singapore
Find the right flight back to Oregon after your stay in Singapore
Oregon to Singapore flights
Consider these flights traveling from Oregon to Singapore.
Top 3 airlines flying from Oregon to Singapore
Discover the top 3 airlines that operate flights from Oregon 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 2,558,603 searches. Data last updated August 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$734 | Average$1,078 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$789 | Average$1,002 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,024 | Average$1,201 | FlexibilityNo cancel fee | On-time69% |