$255+ Cheap flights from Portland (PDX) to Portugal
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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIS
Mar 21 — Mar 281
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to Portugal 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 Portugal
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to PortugalExplore the most affordable flight options available from Portland to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.
Explore the most affordable flight options available from Portland to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.
This oojo deal was found by Cheapflights users on 2/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:30 am
PDX
- LIS
2 stops25h 20m
British Airways
Sat 11/213:55 pm
LIS
- PDX
1 stop32h 00m
British Airways
Deal found 2/17![British Airways logo]()
$506
This American Airlines deal was found by Cheapflights users on 2/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:00 am
PDX
- LIS
1 stop17h 05m
Multiple Airlines
Sat 11/711:05 am
LIS
- PDX
1 stop17h 01m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$508
This Finnair deal was found by Cheapflights users on 2/18. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:22 am
PDX
- LIS
2 stops33h 03m
Finnair
Mon 4/276:35 am
LIS
- PDX
2 stops24h 07m
Finnair
Deal found 2/18![Finnair logo]()
$509
This FlightHub deal was found by Cheapflights users on 2/17. 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 4/137:05 pm
PDX
- LIS
2 stops32h 00m
Air Canada
Mon 5/41:00 pm
LIS
- PDX
2 stops38h 05m
Air Canada
Deal found 2/17![Air Canada logo]()
$510
This British Airways deal was found by Cheapflights users on 2/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:45 pm
PDX
- LIS
1 stop20h 45m
British Airways
Sat 11/76:40 pm
LIS
- PDX
1 stop29h 15m
British Airways
Deal found 2/16![British Airways logo]()
$512
This Travelocity deal was found by Cheapflights users on 2/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:00 am
PDX
- OPO
2 stops26h 00m
Iberia
Wed 5/68:40 pm
OPO
- PDX
2 stops32h 58m
Iberia
Deal found 2/15![Iberia logo]()
$512
This BusinessClass deal was found by Cheapflights users on 2/15. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:40 am
PDX
- LIS
2 stops23h 20m
Scandinavian Airlines
Fri 11/2711:15 am
LIS
- PDX
2 stops20h 36m
Scandinavian Airlines
Deal found 2/15![Scandinavian Airlines logo]()
$513
This BusinessClass deal was found by Cheapflights users on 2/16. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:28 am
PDX
- LIS
2 stops20h 27m
Multiple Airlines
Mon 4/275:00 am
LIS
- PDX
1 stop14h 10m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$525
This Air Canada deal was found by Cheapflights users on 2/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:45 pm
PDX
- LIS
2 stops31h 15m
Multiple Airlines
Wed 5/135:05 am
LIS
- PDX
2 stops17h 40m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$534
This KLM deal was found by Cheapflights users on 2/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:05 pm
PDX
- OPO
1 stop22h 10m
KLM
Wed 4/224:20 pm
OPO
- PDX
1 stop26h 50m
KLM
Deal found 2/14![KLM logo]()
$534
This Air Canada deal was found by Cheapflights users on 2/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:05 pm
PDX
- LIS
2 stops32h 00m
Air Canada
Tue 5/1211:25 am
LIS
- PDX
2 stops43h 05m
Air Canada
Deal found 2/16![Air Canada logo]()
$535
This KLM deal was found by Cheapflights users on 2/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:05 pm
PDX
- LIS
1 stop25h 45m
KLM
Tue 5/125:00 am
LIS
- PDX
1 stop14h 10m
KLM
Deal found 2/17![KLM logo]()
$536
Best flights from Portland to PortugalDiscover carefully curated flight deals from Portland to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 19, 2026.
Discover carefully curated flight deals from Portland to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 19, 2026.
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:05 am
PDX
- LIS
2 stops24h 30m
Delta
Wed 4/111:55 am
LIS
- PDX
2 stops39h 30m
Delta
Deal found 2/16![Delta logo]()
$508
This Finnair deal was found by Cheapflights users on 2/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:00 am
PDX
- LIS
2 stops25h 50m
Finnair
Sat 4/186:35 am
LIS
- PDX
2 stops24h 22m
Finnair
Deal found 2/15![Finnair logo]()
$509
This Travelocity deal was found by Cheapflights users on 2/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:00 am
PDX
- OPO
2 stops26h 00m
Iberia
Wed 5/68:40 pm
OPO
- PDX
2 stops32h 58m
Iberia
Deal found 2/15![Iberia logo]()
$512
This KLM deal was found by Cheapflights users on 2/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:05 pm
PDX
- OPO
1 stop22h 10m
KLM
Wed 4/224:20 pm
OPO
- PDX
1 stop26h 50m
KLM
Deal found 2/14![KLM logo]()
$534
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 3/1611:59 pm
PDX
- LIS
2 stops27h 16m
United Airlines
Tue 3/245:00 am
LIS
- PDX
2 stops26h 35m
United Airlines
Deal found 2/18![United Airlines logo]()
$568
This Gotogate deal was found by Cheapflights users on 2/16. 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 4/96:22 am
PDX
- OPO
2 stops29h 58m
Multiple Airlines
Sat 4/254:40 pm
OPO
- PDX
2 stops33h 00m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$632
This oojo deal was found by Cheapflights users on 2/15. 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.
Tue 3/3111:46 am
PDX
- FAO
2 stops23h 24m
British Airways
Tue 4/73:40 pm
FAO
- PDX
1 stop34h 00m
British Airways
Deal found 2/15![British Airways logo]()
$690
This KAYAK deal was found by Cheapflights users on 2/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:05 am
PDX
- FAO
2 stops19h 15m
Brussels Airlines
Tue 4/712:10 pm
FAO
- PDX
2 stops38h 24m
Brussels Airlines
Deal found 2/15![Brussels Airlines logo]()
$847
This Finnair deal was found by Cheapflights users on 2/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:22 am
PDX
- LIS
2 stops33h 03m
Finnair
Mon 4/276:35 am
LIS
- PDX
2 stops24h 07m
Finnair
Deal found 2/15![Finnair logo]()
$509
This Finnair deal was found by Cheapflights users on 2/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:22 am
PDX
- LIS
2 stops33h 03m
Finnair
Mon 4/276:35 am
LIS
- PDX
2 stops24h 07m
Finnair
Deal found 2/15![Finnair logo]()
$509
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:30 am
PDX
- LIS
2 stops24h 30m
Delta
Wed 4/111:55 am
LIS
- PDX
1 stop31h 15m
Delta
Deal found 2/17![Delta logo]()
$569
This KLM deal was found by Cheapflights users on 2/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:05 pm
PDX
- OPO
1 stop18h 25m
KLM
Sat 4/257:00 pm
OPO
- PDX
1 stop24h 10m
KLM
Deal found 2/16![KLM logo]()
$584
This United Airlines deal was found by Cheapflights users on 2/16. 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 3/710:19 pm
PDX
- LIS
1 stop27h 56m
United Airlines
Thu 3/1911:55 am
LIS
- PDX
2 stops28h 59m
United Airlines
Deal found 2/16![United Airlines logo]()
$586
This Delta deal was found by Cheapflights users on 2/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:32 pm
PDX
- LIS
2 stops20h 18m
Delta
Sun 5/35:00 am
LIS
- PDX
1 stop14h 10m
Delta
Deal found 2/15![Delta logo]()
$577
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Tue 5/51:37 pm
PDX
- LIS
2 stops37h 23m
United Airlines
Sun 5/107:25 am
LIS
- PDX
2 stops23h 34m
United Airlines
Deal found 2/15![United Airlines logo]()
$592
This KLM deal was found by Cheapflights users on 2/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/121:05 pm
PDX
- OPO
1 stop25h 10m
KLM
Fri 4/245:00 am
OPO
- PDX
1 stop14h 10m
KLM
Deal found 2/14![KLM logo]()
$670
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Tue 3/1711:10 pm
PDX
- OPO
2 stops27h 20m
United Airlines
Tue 3/316:00 am
OPO
- PDX
2 stops44h 34m
United Airlines
Deal found 2/15![United Airlines logo]()
$638
This KLM deal was found by Cheapflights users on 2/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:00 am
PDX
- FAO
2 stops42h 25m
KLM
Mon 3/237:15 pm
FAO
- PDX
2 stops27h 46m
KLM
Deal found 2/15![KLM logo]()
$681
This Delta deal was found by Cheapflights users on 2/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:00 am
PDX
- OPO
2 stops43h 30m
Delta
Thu 3/1911:15 am
OPO
- PDX
1 stop32h 10m
Delta
Deal found 2/15![Delta logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/317:00 am
PDX
- PDL
2 stops33h 45m
Multiple Airlines
Mon 4/136:05 pm
PDL
- PDX
1 stop22h 18m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$974
This United Airlines deal was found by Cheapflights users on 2/15. 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 3/410:56 am
PDX
- FAO
2 stops16h 44m
United Airlines
Sun 3/81:30 pm
FAO
- PDX
2 stops39h 28m
United Airlines
Deal found 2/15![United Airlines logo]()
$798
This KLM deal was found by Cheapflights users on 2/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:00 am
PDX
- FAO
2 stops19h 30m
KLM
Tue 3/247:45 pm
FAO
- PDX
1 stop23h 40m
KLM
Deal found 2/15![KLM logo]()
$806
This oojo deal was found by Cheapflights users on 2/16. 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.
Sat 3/287:00 am
PDX
- PDL
1 stop17h 55m
Multiple Airlines
Mon 4/136:05 pm
PDL
- PDX
1 stop22h 18m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$990
This KLM deal was found by Cheapflights users on 2/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/41:49 pm
PDX
- FAO
2 stops20h 16m
KLM
Sat 4/119:55 pm
FAO
- PDX
1 stop21h 15m
KLM
Deal found 2/17![KLM logo]()
$818
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Wed 4/16:00 am
PDX
- PDL
2 stops17h 40m
Multiple Airlines
Fri 4/106:05 pm
PDL
- PDX
1 stop22h 18m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$990
This Orbitz deal was found by Cheapflights users on 2/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:10 am
PDX
- PDL
2 stops37h 10m
Multiple Airlines
Fri 4/175:30 pm
PDL
- PDX
1 stop34h 20m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$1,003
This KAYAK deal was found by Cheapflights users on 2/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2311:40 pm
PDX
- PDL
2 stops24h 05m
Multiple Airlines
Tue 6/28:35 am
PDL
- PDX
1 stop19h 12m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$1,019
This oojo deal was found by Cheapflights users on 2/16. 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.
Sat 3/287:00 am
PDX
- PDL
1 stop17h 55m
Multiple Airlines
Sun 4/126:05 pm
PDL
- PDX
1 stop22h 18m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$1,032
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:30 am
PDX
- PDL
2 stops40h 10m
Multiple Airlines
Wed 4/156:05 pm
PDL
- PDX
1 stop22h 18m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$1,056
This Orbitz deal was found by Cheapflights users on 2/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:21 pm
PDX
- PDL
2 stops40h 29m
Multiple Airlines
Fri 8/148:35 am
PDL
- PDX
2 stops32h 08m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$1,057
Last-minute flights from Portland to PortugalDiscover last-minute flight deals from Portland to Portugal. Data last updated February 19, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Portugal. Data last updated February 19, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 2/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:00 am
PDX
- LIS
1 stop18h 00m
KLM
Tue 3/104:50 pm
LIS
- PDX
1 stop26h 35m
KLM
Deal found 2/17![KLM logo]()
$556
This KLM deal was found by Cheapflights users on 2/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:00 am
PDX
- LIS
2 stops18h 00m
Multiple Airlines
Tue 3/104:50 pm
LIS
- PDX
1 stop26h 35m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$560
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:09 pm
PDX
- LIS
2 stops21h 21m
Delta
Tue 3/105:00 am
LIS
- PDX
2 stops22h 25m
Delta
Deal found 2/17![Delta logo]()
$570
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:05 am
PDX
- LIS
2 stops24h 30m
Delta
Wed 3/185:00 am
LIS
- PDX
1 stop14h 25m
Delta
Deal found 2/18![Delta logo]()
$566
This BusinessClass deal was found by Cheapflights users on 2/17. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1612:30 am
PDX
- LIS
2 stops24h 30m
Scandinavian Airlines
Wed 4/19:50 am
LIS
- PDX
2 stops19h 09m
Scandinavian Airlines
Deal found 2/17![Scandinavian Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 3/1611:59 pm
PDX
- LIS
2 stops27h 16m
United Airlines
Tue 3/245:00 am
LIS
- PDX
2 stops26h 35m
United Airlines
Deal found 2/18![United Airlines logo]()
$568
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:05 am
PDX
- LIS
2 stops24h 30m
Delta
Wed 4/111:55 am
LIS
- PDX
2 stops39h 30m
Delta
Deal found 2/16![Delta logo]()
$508
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Tue 3/1711:10 pm
PDX
- OPO
2 stops27h 20m
United Airlines
Tue 3/316:00 am
OPO
- PDX
2 stops41h 09m
United Airlines
Deal found 2/16![United Airlines logo]()
$638
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:30 am
PDX
- LIS
2 stops24h 30m
Delta
Wed 4/111:55 am
LIS
- PDX
1 stop31h 15m
Delta
Deal found 2/16![Delta logo]()
$569
This KLM deal was found by Cheapflights users on 2/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:05 pm
PDX
- LIS
1 stop25h 45m
KLM
Wed 4/1511:55 am
LIS
- PDX
1 stop31h 15m
KLM
Deal found 2/18![KLM logo]()
$536
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:55 pm
PDX
- LIS
2 stops19h 55m
Delta
Wed 4/1511:55 am
LIS
- PDX
2 stops19h 58m
Delta
Deal found 2/18![Delta logo]()
$545
This Finnair deal was found by Cheapflights users on 2/18. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:40 am
PDX
- LIS
2 stops25h 10m
Finnair
Tue 5/56:35 am
LIS
- PDX
2 stops24h 07m
Finnair
Deal found 2/18![Finnair logo]()
$555
One-way flights from Portland to PortugalSearch for one-way flight options from Portland to Portugal. Find affordable one-way fares based on user searches. Data last updated February 19, 2026.
Search for one-way flight options from Portland to Portugal. Find affordable one-way fares based on user searches. Data last updated February 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:30 pm
PDX
- OPO
3 stops32h 30m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:30 pm
PDX
- OPO
2 stops33h 55m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:30 pm
PDX
- OPO
2 stops18h 50m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 4/283:30 pm
PDX
- OPO
3 stops31h 20m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:05 pm
PDX
- LIS
2 stops30h 30m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/113:30 pm
PDX
- OPO
3 stops46h 25m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/123:15 pm
PDX
- LIS
2 stops34h 05m
Lufthansa
Deal found 2/18![Lufthansa logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Wed 4/158:46 pm
PDX
- OPO
2 stops50h 04m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Thu 4/163:30 pm
PDX
- OPO
3 stops24h 20m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
PDX
- LIS
2 stops20h 35m
Lufthansa
Deal found 2/18![Lufthansa logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 8/63:30 pm
PDX
- LIS
3 stops48h 10m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$326
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Sat 2/285:05 am
PDX
- LIS
2 stops19h 05m
United Airlines
Deal found 2/18![United Airlines logo]()
$328
Find flight deals from Portland to Portugal
Keep the following information in mind while searching for Portland to Portugal flight deals. Data was last updated February 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $508 (Delta) |
One-way from | $255 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $601 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Portugal 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 February 19, 2026.
Use the filters below to find and compare flights from Portland to Portugal that are best for you.
Fly from
Portland
Fly to
Portugal
Route
Depart
Return
Price
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Tue 3/17
7:05 am-2:35 pm
2 stops24h 30m
Lisbon Humberto Delgado
Wed 4/1
11:55 am-7:25 pm
2 stops39h 30m
$508
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Tue 4/7
6:00 am-3:50 pm
2 stops25h 50m
Lisbon Humberto Delgado
Sat 4/18
6:35 am-10:57 pm
2 stops24h 22m
$509
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Mon 4/13
6:22 am-11:25 pm
2 stops33h 03m
Lisbon Humberto Delgado
Mon 4/27
6:35 am-10:42 pm
2 stops24h 07m
$509
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Sun 4/19
6:22 am-11:25 pm
2 stops33h 03m
Lisbon Humberto Delgado
Mon 4/27
6:35 am-10:42 pm
2 stops24h 07m
$509
PortlandPorto
PDX - OPO
PDXOPO
Portland
Mon 4/27
6:00 am-4:00 pm
2 stops26h 00m
Porto
Wed 5/6
8:40 pm-9:38 pm
2 stops32h 58m
$512
PortlandPorto
PDX - OPO
PDXOPO
Portland
Thu 4/9
1:05 pm-7:15 pm
1 stop22h 10m
Porto
Wed 4/22
4:20 pm-11:10 am
1 stop26h 50m
$534
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Mon 3/16
11:59 pm-10:15 am
2 stops27h 16m
Lisbon Humberto Delgado
Tue 3/24
5:00 am-12:35 am
2 stops26h 35m
$568
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Sun 3/22
12:30 am-8:00 am
2 stops24h 30m
Lisbon Humberto Delgado
Wed 4/1
11:55 am-11:10 am
1 stop31h 15m
$569
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Tue 4/14
1:32 pm-5:50 pm
2 stops20h 18m
Lisbon Humberto Delgado
Sun 5/3
5:00 am-11:10 am
1 stop14h 10m
$577
PortlandPorto
PDX - OPO
PDXOPO
Portland
Thu 4/9
1:05 pm-3:30 pm
1 stop18h 25m
Porto
Sat 4/25
7:00 pm-11:10 am
1 stop24h 10m
$584
Showing 1-10 of 52 results
Best time to book a flight from Portland to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Portland with our price prediction graph.
PDX-OPO
PDX-LIS
PDX-FAO
PDX-PDL
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 Portugal
PDX-PT0
PDX-OPO
PDX-LIS
PDX-FAO
PDX-PDL
What is the cheapest month to book a flight from Portland to Portugal?
Currently, March is the cheapest month in which you can book a flight from Portland to Portugal (average of $425). Flying from Portland to Portugal in June is currently the most expensive (average of $846). 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 Portugal
Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated February 19, 2026.
Read reviews from past customers who have flown Delta, KLM, and United Airlines from Portland to Portugal. 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.
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Portland to Portugal. 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
Top destinations
Top regions
Alternative routes for Portland to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Portugal by cabin class
Find flights from Portland to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Portugal flights
Browse other Portland and Portugal flight options. Last updated on February 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Portugal flights
Consider these flights traveling from Portland to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 8 airlines flying from Portland to Portugal
Discover the top 8 airlines that operate flights from Portland to Portugal. 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 February 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$360 | Average$490 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$492 | Average$864 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$494 | Average$948 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$501 | Average$692 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$514 | Average$925 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$524 | Average$685 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$537 | Average$1,095 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$584 | Average$1,067 | FlexibilityNo cancel fee | On-time67% |