$294+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIS
Mar 10 — Mar 171
1 adult, Economy
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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
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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
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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 8, 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 8, 2026.
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:25 pm
PDX
- OPO
1 stop13h 05m
Delta
Tue 3/1711:15 am
OPO
- PDX
1 stop32h 10m
Delta
Deal found 2/7![Delta logo]()
$486
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/810:30 pm
PDX
- OPO
2 stops33h 55m
Delta
Tue 3/1711:15 am
OPO
- PDX
1 stop32h 10m
Delta
Deal found 2/7![Delta logo]()
$490
This Delta deal was found by Cheapflights users on 2/8. 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
Wed 4/295:00 am
LIS
- PDX
1 stop14h 10m
Delta
Deal found 2/8![Delta logo]()
$492
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Sat 3/711:28 pm
PDX
- OPO
2 stops26h 02m
United Airlines
Tue 3/1712:30 pm
OPO
- PDX
2 stops37h 17m
United Airlines
Deal found 2/7![United Airlines logo]()
$492
This Orbitz deal was found by Cheapflights users on 2/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:05 pm
PDX
- OPO
2 stops44h 20m
Multiple Airlines
Tue 4/286:20 am
OPO
- PDX
2 stops26h 24m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$493
This KAYAK deal was found by Cheapflights users on 2/8. 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 4/211:39 pm
PDX
- LIS
2 stops25h 06m
Lufthansa
Thu 5/75:05 am
LIS
- PDX
2 stops22h 00m
Lufthansa
Deal found 2/8![Lufthansa logo]()
$494
This FlightHub deal was found by Cheapflights users on 2/7. 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.
Mon 4/133:15 pm
PDX
- LIS
2 stops34h 05m
Multiple Airlines
Mon 4/207:25 am
LIS
- PDX
2 stops24h 33m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 2/8. 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 4/145:30 am
PDX
- LIS
2 stops33h 15m
United Airlines
Tue 4/2111:25 am
LIS
- PDX
2 stops39h 09m
United Airlines
Deal found 2/8![United Airlines logo]()
$496
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:05 am
PDX
- LIS
2 stops27h 40m
Delta
Thu 4/2311:55 am
LIS
- PDX
1 stop31h 15m
Delta
Deal found 2/7![Delta logo]()
$497
This KAYAK deal was found by Cheapflights users on 2/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/73:45 pm
PDX
- OPO
2 stops23h 55m
Lufthansa
Sat 3/146:15 am
OPO
- PDX
2 stops25h 20m
Lufthansa
Deal found 2/7![Lufthansa logo]()
$497
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Sun 4/1911:15 pm
PDX
- LIS
2 stops26h 05m
United Airlines
Mon 4/275:05 am
LIS
- PDX
2 stops25h 53m
United Airlines
Deal found 2/5![United Airlines logo]()
$499
This KAYAK deal was found by Cheapflights users on 2/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:39 pm
PDX
- OPO
2 stops21h 51m
SWISS
Tue 3/177:25 pm
OPO
- PDX
2 stops34h 39m
SWISS
Deal found 2/7![SWISS logo]()
$499
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 8, 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 8, 2026.
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:05 am
PDX
- LIS
2 stops27h 40m
Delta
Wed 4/2211:55 am
LIS
- PDX
1 stop31h 15m
Delta
Deal found 2/7![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Mon 3/911:10 pm
PDX
- OPO
2 stops27h 20m
United Airlines
Tue 3/176:00 am
OPO
- PDX
2 stops25h 35m
United Airlines
Deal found 2/7![United Airlines logo]()
$497
This KAYAK deal was found by Cheapflights users on 2/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/71:39 pm
PDX
- LIS
2 stops40h 56m
SWISS
Sun 3/1512:35 pm
LIS
- PDX
2 stops41h 29m
SWISS
Deal found 2/6![SWISS logo]()
$508
This Finnair deal was found by Cheapflights users on 2/7. 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 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 2/7![Finnair logo]()
$508
This British Airways deal was found by Cheapflights users on 2/8. 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.
Tue 4/147:30 pm
PDX
- LIS
1 stop19h 30m
British Airways
Thu 4/2311:05 am
LIS
- PDX
1 stop14h 35m
British Airways
Deal found 2/8![British Airways logo]()
$511
This Expedia deal was found by Cheapflights users on 2/5. 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.
Thu 4/98:05 am
PDX
- OPO
2 stops23h 55m
Multiple Airlines
Tue 4/148:40 am
OPO
- PDX
2 stops21h 49m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$648
This KLM deal was found by Cheapflights users on 2/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:25 pm
PDX
- OPO
1 stop21h 55m
KLM
Sun 3/85:00 am
OPO
- PDX
1 stop14h 25m
KLM
Deal found 2/6![KLM logo]()
$685
This United Airlines deal was found by Cheapflights users on 2/7. 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 4/1911:15 pm
PDX
- LIS
2 stops26h 05m
United Airlines
Mon 4/275:05 am
LIS
- PDX
2 stops24h 54m
United Airlines
Deal found 2/7![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1112:30 am
PDX
- LIS
2 stops33h 20m
Delta
Tue 4/215:00 am
LIS
- PDX
2 stops37h 05m
Delta
Deal found 2/7![Delta logo]()
$501
This Finnair deal was found by Cheapflights users on 2/8. 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 2/8![Finnair logo]()
$508
This British Airways deal was found by Cheapflights users on 2/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:45 pm
PDX
- LIS
1 stop20h 10m
British Airways
Wed 3/187:05 am
LIS
- PDX
1 stop16h 50m
British Airways
Deal found 2/7![British Airways logo]()
$511
This Delta deal was found by Cheapflights users on 2/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:25 pm
PDX
- LIS
1 stop17h 10m
Delta
Thu 3/195:00 am
LIS
- PDX
2 stops22h 59m
Delta
Deal found 2/5![Delta logo]()
$504
This British Airways deal was found by Cheapflights users on 2/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:45 pm
PDX
- LIS
1 stop20h 00m
British Airways
Tue 3/177:40 pm
LIS
- PDX
1 stop28h 15m
British Airways
Deal found 2/5![British Airways logo]()
$512
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Sun 4/1211:59 pm
PDX
- OPO
2 stops31h 41m
United Airlines
Fri 4/2412:35 pm
OPO
- PDX
3 stops31h 09m
United Airlines
Deal found 2/5![United Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 2/5. 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 4/611:59 pm
PDX
- LIS
2 stops25h 21m
United Airlines
Mon 4/2011:25 am
LIS
- PDX
3 stops38h 42m
United Airlines
Deal found 2/5![United Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Mon 2/167:30 am
PDX
- LIS
2 stops16h 40m
United Airlines
Fri 2/275:00 am
LIS
- PDX
2 stops23h 43m
United Airlines
Deal found 2/7![United Airlines logo]()
$567
This KLM deal was found by Cheapflights users on 2/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/61:05 pm
PDX
- FAO
1 stop34h 15m
KLM
Mon 4/139:45 pm
FAO
- PDX
1 stop21h 25m
KLM
Deal found 2/6![KLM logo]()
$785
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:45 am
PDX
- OPO
2 stops20h 45m
Delta
Fri 3/65:00 am
OPO
- PDX
1 stop14h 25m
Delta
Deal found 2/4![Delta logo]()
$684
This Mytrip deal was found by Cheapflights users on 2/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:45 pm
PDX
- FAO
2 stops22h 50m
Multiple Airlines
Tue 3/313:25 pm
FAO
- PDX
3 stops34h 35m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$841
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:25 pm
PDX
- OPO
1 stop25h 00m
Delta
Sun 3/1511:15 am
OPO
- PDX
1 stop32h 10m
Delta
Deal found 2/7![Delta logo]()
$686
This KLM deal was found by Cheapflights users on 2/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:00 am
PDX
- FAO
2 stops28h 05m
KLM
Tue 3/317:55 pm
FAO
- PDX
2 stops31h 30m
KLM
Deal found 2/7![KLM logo]()
$837
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Tue 3/175:05 am
PDX
- OPO
2 stops21h 25m
United Airlines
Tue 3/316:00 am
OPO
- PDX
2 stops41h 09m
United Airlines
Deal found 2/5![United Airlines logo]()
$638
This oojo deal was found by Cheapflights users on 2/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:30 pm
PDX
- FAO
2 stops37h 40m
British Airways
Mon 4/131:10 pm
FAO
- PDX
1 stop36h 30m
British Airways
Deal found 2/6![British Airways logo]()
$782
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:55 pm
PDX
- OPO
2 stops18h 30m
Delta
Sun 3/1511:15 am
OPO
- PDX
1 stop32h 10m
Delta
Deal found 2/7![Delta logo]()
$690
This British Airways deal was found by Cheapflights users on 2/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:47 pm
PDX
- FAO
2 stops38h 03m
British Airways
Mon 3/97:05 pm
FAO
- PDX
2 stops34h 36m
British Airways
Deal found 2/4![British Airways logo]()
$824
This United Airlines deal was found by Cheapflights users on 2/6. 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.
Tue 3/37:30 am
PDX
- OPO
2 stops18h 00m
United Airlines
Fri 3/1312:30 pm
OPO
- PDX
2 stops19h 05m
United Airlines
Deal found 2/6![United Airlines logo]()
$692
This Mytrip deal was found by Cheapflights users on 2/8. 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.
Tue 3/103:45 pm
PDX
- PDL
3 stops34h 35m
Multiple Airlines
Tue 3/177:25 pm
PDL
- PDX
3 stops28h 35m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$1,121
This oojo deal was found by Cheapflights users on 2/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
PDX
- PDL
1 stop16h 20m
Multiple Airlines
Mon 4/205:30 pm
PDL
- PDX
1 stop34h 20m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$1,141
This oojo deal was found by Cheapflights users on 2/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:50 pm
PDX
- FAO
2 stops44h 00m
British Airways
Tue 3/313:40 pm
FAO
- PDX
1 stop34h 00m
British Airways
Deal found 2/7![British Airways logo]()
$958
This Mytrip deal was found by Cheapflights users on 2/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:30 pm
PDX
- FAO
2 stops21h 25m
Multiple Airlines
Thu 7/168:00 am
FAO
- PDX
3 stops33h 31m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$1,190
Last-minute flights from Portland to PortugalDiscover last-minute flight deals from Portland to Portugal. Data last updated February 8, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Portugal. Data last updated February 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Sat 3/711:28 pm
PDX
- OPO
2 stops26h 02m
United Airlines
Tue 3/1712:30 pm
OPO
- PDX
2 stops37h 17m
United Airlines
Deal found 2/7![United Airlines logo]()
$492
This KAYAK deal was found by Cheapflights users on 2/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/73:45 pm
PDX
- OPO
2 stops23h 55m
Lufthansa
Sat 3/146:15 am
OPO
- PDX
2 stops25h 20m
Lufthansa
Deal found 2/7![Lufthansa logo]()
$497
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Sat 3/711:28 pm
PDX
- LIS
2 stops24h 42m
United Airlines
Thu 3/195:00 am
LIS
- PDX
2 stops23h 52m
United Airlines
Deal found 2/7![United Airlines logo]()
$500
This Travelocity deal was found by Cheapflights users on 2/6. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/77:30 am
PDX
- LIS
2 stops32h 00m
Lufthansa
Sat 3/146:10 am
LIS
- PDX
2 stops25h 25m
Lufthansa
Deal found 2/6![Lufthansa logo]()
$505
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/810:30 pm
PDX
- OPO
2 stops33h 55m
Delta
Tue 3/1711:15 am
OPO
- PDX
1 stop32h 10m
Delta
Deal found 2/7![Delta logo]()
$490
This Gurufare deal was found by Cheapflights users on 2/6. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/811:15 pm
PDX
- LIS
2 stops26h 45m
Air Europa
Sun 3/155:00 am
LIS
- PDX
1 stop14h 25m
Air Europa
Deal found 2/6![Air Europa logo]()
$499
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:25 pm
PDX
- OPO
1 stop13h 05m
Delta
Tue 3/1711:15 am
OPO
- PDX
1 stop32h 10m
Delta
Deal found 2/7![Delta logo]()
$486
This Delta deal was found by Cheapflights users on 2/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:25 pm
PDX
- LIS
1 stop17h 10m
Delta
Tue 3/1711:25 am
LIS
- PDX
1 stop32h 00m
Delta
Deal found 2/5![Delta logo]()
$494
This KAYAK deal was found by Cheapflights users on 2/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:39 pm
PDX
- OPO
2 stops38h 36m
SWISS
Mon 3/1612:05 pm
OPO
- PDX
2 stops41h 59m
SWISS
Deal found 2/7![SWISS logo]()
$499
This KAYAK deal was found by Cheapflights users on 2/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/111:39 pm
PDX
- LIS
2 stops38h 36m
SWISS
Wed 3/183:25 pm
LIS
- PDX
2 stops38h 39m
SWISS
Deal found 2/6![SWISS logo]()
$508
This Orbitz deal was found by Cheapflights users on 2/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/171:39 pm
PDX
- LIS
2 stops39h 06m
Multiple Airlines
Tue 3/245:00 am
LIS
- PDX
2 stops25h 04m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$506
This KAYAK deal was found by Cheapflights users on 2/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:49 pm
PDX
- LIS
2 stops20h 41m
Lufthansa
Fri 4/245:05 am
LIS
- PDX
2 stops26h 53m
Lufthansa
Deal found 2/4![Lufthansa logo]()
$504
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 8, 2026.
Search for one-way flight options from Portland to Portugal. Find affordable one-way fares based on user searches. Data last updated February 8, 2026.
This Mytrip deal was found by Cheapflights users on 2/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:45 pm
PDX
- LIS
3 stops23h 50m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Sat 3/283:45 pm
PDX
- FAO
2 stops38h 00m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 2/8. 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
- LIS
3 stops47h 00m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/91:39 pm
PDX
- LIS
2 stops38h 46m
SWISS
Deal found 2/7![SWISS logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 2/8. 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
- LIS
3 stops42h 25m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$313
This Mytrip deal was found by Cheapflights users on 2/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:30 pm
PDX
- LIS
1 stop14h 20m
Icelandair
Deal found 2/5![Icelandair logo]()
$319
This Trip.com deal was found by Cheapflights users on 2/5. 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 Trip.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 stops19h 20m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$320
This Priceline deal was found by Cheapflights users on 2/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/203:15 pm
PDX
- LIS
2 stops33h 40m
Air Canada
Deal found 2/6![Air Canada logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/111:39 pm
PDX
- LIS
2 stops38h 36m
SWISS
Deal found 2/7![SWISS logo]()
$328
This Air Canada deal was found by Cheapflights users on 2/8. 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.
Sat 4/117:05 pm
PDX
- LIS
2 stops30h 15m
Air Canada
Deal found 2/8![Air Canada logo]()
$329
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/1610:54 pm
PDX
- LIS
2 stops28h 21m
United Airlines
Deal found 2/8![United Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 2/8. 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
- LIS
3 stops45h 20m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$331
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 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $486 (Delta) |
One-way from | $294 (Mytrip) |
Popular in | June |
Cheapest in | November |
Average price | $670 |
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 8, 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 4/14
7:05 am-6:45 pm
2 stops27h 40m
Lisbon Humberto Delgado
Wed 4/22
11:55 am-11:10 am
1 stop31h 15m
$497
PortlandPorto
PDX - OPO
PDXOPO
Portland
Mon 3/9
11:10 pm-9:30 am
2 stops27h 20m
Porto
Tue 3/17
6:00 am-12:35 am
2 stops25h 35m
$497
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Sun 4/19
11:15 pm-9:20 am
2 stops26h 05m
Lisbon Humberto Delgado
Mon 4/27
5:05 am-9:59 pm
2 stops24h 54m
$499
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Sat 4/11
12:30 am-5:50 pm
2 stops33h 20m
Lisbon Humberto Delgado
Tue 4/21
5:00 am-10:05 am
2 stops37h 05m
$501
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Mon 3/9
2:25 pm-2:35 pm
1 stop17h 10m
Lisbon Humberto Delgado
Thu 3/19
5:00 am-8:59 pm
2 stops22h 59m
$504
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Sat 3/7
1:39 pm-2:35 pm
2 stops40h 56m
Lisbon Humberto Delgado
Sun 3/15
12:35 pm-11:04 pm
2 stops41h 29m
$508
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
$508
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
$508
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Tue 4/14
7:30 pm-11:00 pm
1 stop19h 30m
Lisbon Humberto Delgado
Thu 4/23
11:05 am-5:40 pm
1 stop14h 35m
$511
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Mon 3/9
6:45 pm-9:55 pm
1 stop20h 10m
Lisbon Humberto Delgado
Wed 3/18
7:05 am-4:55 pm
1 stop16h 50m
$511
Showing 1-10 of 58 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-FAO
PDX-LIS
PDX-OPO
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-FAO
PDX-LIS
PDX-OPO
PDX-PDL
What is the cheapest month to book a flight from Portland to Portugal?
Currently, November is the cheapest month in which you can book a flight from Portland to Portugal (average of $434). Flying from Portland to Portugal in June is currently the most expensive (average of $845). 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 8, 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
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
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.
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Alternative routes for Portland to Portugal
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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 8, 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$360 | Average$490 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$492 | Average$870 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$494 | Average$953 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$501 | Average$696 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$515 | Average$923 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$524 | Average$685 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$537 | Average$1,091 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$584 | Average$1,067 | FlexibilityNo cancel fee | On-time67% |