$316+ Cheap flights from Portland (PDX) to Lisbon (LIS)
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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIS
Aug 28 — Sep 41
Round-trip
1 adult, Economy
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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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Best
Last-minute
One-way
Cheapest flights from Portland to LisbonExplore the most affordable flight options available from Portland to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
Explore the most affordable flight options available from Portland to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
This Expedia deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:45 pm
PDX
- LIS
1 stop16h 00m
Multiple Airlines
Tue 11/246:30 am
LIS
- PDX
2 stops21h 26m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$740
This Expedia deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am
PDX
- LIS
2 stops18h 55m
Air Canada
Fri 11/611:20 am
LIS
- PDX
2 stops30h 06m
Air Canada
Deal found 7/25![Air Canada logo]()
$743
This FlightHub deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:30 pm
PDX
- LIS
2 stops33h 50m
Lufthansa
Tue 11/105:00 am
LIS
- PDX
2 stops22h 12m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$745
This FlightHub deal was found by Cheapflights users on 7/28. 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
PDX
- LIS
2 stops31h 30m
Air Canada
Wed 11/185:00 am
LIS
- PDX
2 stops17h 41m
Air Canada
Deal found 7/28![Air Canada logo]()
$747
This Delta deal was found by Cheapflights users on 7/28. 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 11/811:43 am
PDX
- LIS
2 stops21h 47m
Delta
Wed 11/185:00 am
LIS
- PDX
1 stop14h 20m
Delta
Deal found 7/28![Delta logo]()
$749
This Air France deal was found by Cheapflights users on 7/26. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:00 am
PDX
- LIS
1 stop17h 00m
Multiple Airlines
Wed 11/185:00 am
LIS
- PDX
1 stop14h 20m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$750
This United Airlines deal was found by Cheapflights users on 7/28. 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 10/2010:58 am
PDX
- LIS
1 stop13h 22m
United Airlines
Tue 11/1012:50 pm
LIS
- PDX
2 stops38h 22m
United Airlines
Deal found 7/28![United Airlines logo]()
$751
This FlightHub deal was found by Cheapflights users on 7/27. 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 11/88:40 am
PDX
- LIS
2 stops30h 50m
Lufthansa
Wed 11/185:00 am
LIS
- PDX
2 stops22h 12m
Lufthansa
Deal found 7/27![Lufthansa logo]()
$753
This Expedia deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:10 am
PDX
- LIS
2 stops15h 10m
Multiple Airlines
Thu 10/225:05 am
LIS
- PDX
2 stops17h 46m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$755
This United Airlines deal was found by Cheapflights users on 7/24. 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 11/88:30 am
PDX
- LIS
1 stop17h 35m
United Airlines
Wed 11/1811:20 am
LIS
- PDX
3 stops41h 42m
United Airlines
Deal found 7/24![United Airlines logo]()
$756
Best flights from Portland to LisbonDiscover carefully curated flight deals from Portland to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
Discover carefully curated flight deals from Portland to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
This Icelandair deal was found by Cheapflights users on 7/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/132:45 pm
PDX
- LIS
1 stop14h 05m
Icelandair
Tue 1/2611:35 am
LIS
- PDX
1 stop13h 25m
Icelandair
Deal found 7/28![Icelandair logo]()
$735
This United Airlines deal was found by Cheapflights users on 7/24. 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 11/18:30 am
PDX
- LIS
1 stop17h 35m
United Airlines
Tue 11/2412:50 pm
LIS
- PDX
2 stops39h 25m
United Airlines
Deal found 7/24![United Airlines logo]()
$751
This Delta deal was found by Cheapflights users on 7/28. 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 1/127:00 am
PDX
- LIS
2 stops24h 10m
Delta
Thu 1/2811:30 am
LIS
- PDX
1 stop31h 50m
Delta
Deal found 7/28![Delta logo]()
$754
This KLM deal was found by Cheapflights users on 7/26. 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 11/107:00 am
PDX
- LIS
1 stop17h 00m
KLM
Thu 12/105:00 am
LIS
- PDX
2 stops21h 53m
KLM
Deal found 7/26![KLM logo]()
$760
This United Airlines deal was found by Cheapflights users on 7/24. 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 11/118:30 am
PDX
- LIS
1 stop17h 50m
United Airlines
Wed 11/1811:20 am
LIS
- PDX
3 stops41h 42m
United Airlines
Deal found 7/24![United Airlines logo]()
$756
This Delta deal was found by Cheapflights users on 7/28. 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 9/217:10 am
PDX
- LIS
2 stops20h 05m
Delta
Tue 10/65:00 am
LIS
- PDX
1 stop14h 10m
Delta
Deal found 7/28![Delta logo]()
$814
This United Airlines deal was found by Cheapflights users on 7/28. 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 1/1010:56 pm
PDX
- LIS
1 stop25h 14m
United Airlines
Tue 1/2611:20 am
LIS
- PDX
2 stops32h 33m
United Airlines
Deal found 7/28![United Airlines logo]()
$757
This KLM deal was found by Cheapflights users on 7/25. 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 10/121:05 pm
PDX
- LIS
1 stop13h 50m
KLM
Mon 10/195:00 am
LIS
- PDX
1 stop14h 10m
KLM
Deal found 7/25![KLM logo]()
$874
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/215:00 am
PDX
- LIS
2 stops22h 00m
United Airlines
Tue 10/65:05 am
LIS
- PDX
2 stops17h 46m
United Airlines
Deal found 7/28![United Airlines logo]()
$812
Last-minute flights from Portland to LisbonDiscover last-minute flight deals from Portland to Lisbon. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Lisbon. Data last updated July 29, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/28. 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.
Wed 8/57:00 pm
PDX
- LIS
1 stop18h 20m
Icelandair
Thu 8/2010:20 pm
LIS
- PDX
1 stop27h 30m
Icelandair
Deal found 7/28![Icelandair logo]()
$920
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/247:03 am
PDX
- LIS
1 stop20h 42m
Multiple Airlines
Wed 9/29:40 am
LIS
- PDX
1 stop19h 11m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$906
This Ticket deal was found by Cheapflights users on 7/25. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:05 pm
PDX
- LIS
1 stop13h 50m
KLM
Mon 9/77:45 pm
LIS
- PDX
1 stop23h 25m
KLM
Deal found 7/25![KLM logo]()
$939
This Delta deal was found by Cheapflights users on 7/27. 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 8/241:05 pm
PDX
- LIS
1 stop17h 30m
Delta
Fri 9/45:00 am
LIS
- PDX
1 stop14h 10m
Delta
Deal found 7/27![Delta logo]()
$964
This Air Canada deal was found by Cheapflights users on 7/27. 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 8/2410:10 am
PDX
- LIS
2 stops15h 10m
Air Canada
Fri 9/411:25 am
LIS
- PDX
2 stops30h 06m
Air Canada
Deal found 7/27![Air Canada logo]()
$973
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/258:25 am
PDX
- LIS
1 stop18h 05m
United Airlines
Wed 9/210:25 am
LIS
- PDX
1 stop19h 38m
United Airlines
Deal found 7/27![United Airlines logo]()
$981
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Wed 8/267:00 pm
PDX
- LIS
1 stop18h 20m
Icelandair
Thu 9/310:20 pm
LIS
- PDX
1 stop27h 30m
Icelandair
Deal found 7/27![Icelandair logo]()
$871
This Mytrip deal was found by Cheapflights users on 7/27. 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.
Wed 8/2610:10 am
PDX
- LIS
2 stops15h 10m
Multiple Airlines
Wed 9/25:05 am
LIS
- PDX
2 stops21h 48m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$968
This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:30 pm
PDX
- LIS
3 stops33h 00m
Multiple Airlines
Thu 9/38:15 am
LIS
- PDX
3 stops33h 16m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$954
This FlightHub deal was found by Cheapflights users on 7/26. 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 8/317:45 pm
PDX
- LIS
2 stops29h 35m
Multiple Airlines
Tue 9/155:55 am
LIS
- PDX
2 stops21h 16m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$959
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 8/3112:50 pm
PDX
- LIS
2 stops18h 55m
American Airlines
Tue 9/1511:05 am
LIS
- PDX
1 stop20h 23m
American Airlines
Deal found 7/24![American Airlines logo]()
$977
One-way flights from Portland to LisbonSearch for one-way flight options from Portland to Lisbon. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
Search for one-way flight options from Portland to Lisbon. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/307:00 pm
PDX
- LIS
3 stops38h 10m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/293:30 pm
PDX
- LIS
3 stops48h 25m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/53:30 pm
PDX
- LIS
3 stops57h 40m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$349
This oojo deal was found by Cheapflights users on 7/24. 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.
Wed 11/255:45 pm
PDX
- LIS
1 stop15h 55m
British Airways
Deal found 7/24![British Airways logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/47:00 pm
PDX
- LIS
2 stops44h 30m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$359
This oojo deal was found by Cheapflights users on 7/26. 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 11/108:00 am
PDX
- LIS
1 stop17h 05m
British Airways
Deal found 7/26![British Airways logo]()
$364
Find flight deals from Portland to Lisbon
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $725 (Expedia) |
One-way from | $316 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,135 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Lisbon 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 July 29, 2026.
Use the filters below to find and compare flights from Portland to Lisbon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Wed 1/13
2:45 pm-12:50 pm
1 stop14h 05m
Lisbon Humberto Delgado
Tue 1/26
11:35 am-5:00 pm
1 stop13h 25m
$735
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Sun 11/1
8:30 am-10:05 am
1 stop17h 35m
Lisbon Humberto Delgado
Tue 11/24
12:50 pm-8:15 pm
2 stops39h 25m
$751
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Tue 1/12
7:00 am-3:10 pm
2 stops24h 10m
Lisbon Humberto Delgado
Thu 1/28
11:30 am-11:20 am
1 stop31h 50m
$754
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Wed 11/11
8:30 am-10:20 am
1 stop17h 50m
Lisbon Humberto Delgado
Wed 11/18
11:20 am-9:02 pm
3 stops41h 42m
$756
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Sun 1/10
10:56 pm-8:10 am
1 stop25h 14m
Lisbon Humberto Delgado
Tue 1/26
11:20 am-11:53 am
2 stops32h 33m
$757
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Tue 11/10
7:00 am-8:00 am
1 stop17h 00m
Lisbon Humberto Delgado
Thu 12/10
5:00 am-6:53 pm
2 stops21h 53m
$760
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Mon 9/21
5:00 am-11:00 am
2 stops22h 00m
Lisbon Humberto Delgado
Tue 10/6
5:05 am-2:51 pm
2 stops17h 46m
$812
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Mon 9/21
7:10 am-11:15 am
2 stops20h 05m
Lisbon Humberto Delgado
Tue 10/6
5:00 am-11:10 am
1 stop14h 10m
$814
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Mon 10/12
1:05 pm-10:55 am
1 stop13h 50m
Lisbon Humberto Delgado
Mon 10/19
5:00 am-11:10 am
1 stop14h 10m
$874
Cheapest one-way
PortlandLisbon
PDX - LIS
PDXLIS
Portland
Sun 10/4
12:38 pm-8:00 pm
3 stops47h 22m
$414
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Portland to Lisbon
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Lisbon in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Lisbon flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Lisbon flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Lisbon
Have a flexible travel schedule? Discover the best time to fly to Lisbon from Portland with our price prediction graph.
PDX-LIS
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 Lisbon
How far ahead should I book a flight from Portland to Lisbon?
The price you pay for your flight from Portland to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 12 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Portland to Lisbon?
Currently, February is the cheapest month in which you can book a flight from Portland to Lisbon (average of $598). Flying from Portland to Lisbon in June is currently the most expensive (average of $1,347). 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 much does it cost to fly round-trip from Portland to Lisbon?
Airfare is below average for this route at the moment.
Portland to Lisbon flights typically cost between $754 and $1,074 in January.The cheapest round-trip price found within the last 5 days was $725 on Multiple Airlines (Jan 20-Jan 27).
Reviews of airlines servicing Lisbon
Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated July 29, 2026.
Read reviews from past customers who have flown KLM,Delta, andUnited Airlines from Portland to Lisbon. 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.
Crew
8.4
Entertainment
7.2
Comfort
7.7
Overall
7.8
Boarding
7.8
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Entertainment
7.2
Comfort
7.7
Overall
7.8
Boarding
7.8
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Entertainment
7.2
Comfort
7.7
Overall
7.8
Boarding
7.8
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Entertainment
7.2
Comfort
7.7
Overall
7.8
Boarding
7.8
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Entertainment
7.2
Comfort
7.7
Overall
7.8
Boarding
7.8
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Entertainment
7.2
Comfort
7.7
Overall
7.8
Boarding
7.8
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from Portland to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsFátima
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Top 8 airlines flying from Portland to Lisbon
Discover the top 8 airlines that operate flights from Portland to Lisbon. 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 July 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$448 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$360 | Average$537 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$492 | Average$873 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$492 | Average$950 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$501 | Average$680 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$510 | Average$903 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$549 | Average$986 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$584 | Average$762 | FlexibilityNo cancel fee | On-time67% |