Title: CA $482 Cheap Flights from Portland (PDX) to Lisbon (LIS) - Expedia.ca ![Alfama Lisbon Cityscape](https://images.trvl-media.com/place/2080/038736b5-861a-47d0-a0cf-3fec8d44eb84.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/2080/038736b5-861a-47d0-a0cf-3fec8d44eb84.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $482 Cheap Flights from Portland (PDX) to Lisbon (LIS) [View CA $482 flight on Wed, Mar 4, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:PDX,to:LIS,departure:04/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:481.05&airProductToken=AQqvAQpBCMyQARIEOTMzORjvuAEgrhwopN2GAzCY34YDOFRAAFgBaghFQ09MSUdIVHIIVExFMDBVQlF6CgjVggESBDkzMzkKMwjMkAESAzQzMRiuHCClBCjN4IYDMMHkhgM4VEABWAFqCEVDT0xJR0hUcghUTEUwMFVCUQo1CMyQARIEMTE2NhilBCCLkgEoueWGAzD35oYDOFRAAVgBaghFQ09MSUdIVHIIVExFMDBVQlESCggBEAEYASoCTEgYASIECAEQASgCKAMoBDAL) ## Popular airlines from Portland International Airport (PDX) to Humberto Delgado Airport (LIS) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:07/03/2026TANYT&leg2=from:LIS,to:PDX,departure:14/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_IB.svg) Iberia [](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:07/03/2026TANYT&leg2=from:LIS,to:PDX,departure:14/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:07/03/2026TANYT&leg2=from:LIS,to:PDX,departure:14/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AY.svg) Finnair [](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:07/03/2026TANYT&leg2=from:LIS,to:PDX,departure:14/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AY"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VS.svg) Virgin Atlantic [](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:07/03/2026TANYT&leg2=from:LIS,to:PDX,departure:14/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:07/03/2026TANYT&leg2=from:LIS,to:PDX,departure:14/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:07/03/2026TANYT&leg2=from:LIS,to:PDX,departure:14/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Portland (PDX) to Lisbon (LIS) Prices were available within the past 7 days and start at CA $482 for one-way flights and CA $773 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Mar 2 - Tue, Mar 17 PDX Portland LIS Lisbon CA $773 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:02/03/2026TANYT&leg2=from:LIS,to:PDX,departure:17/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:772.90&airProductToken=AQpoCiEI1YIBEgQyMzc1GO-4ASCDaSi-x4YDMNfIhgM4TEAAWAEKIQjVggESBDE1MDUYg2kgxI0BKLjJhgMwksuGAzhMQAFYAQogCNWCARICNjQYxI0BIIuSASjVy4YDMOrOhgM4TEABWAEKRAogCNWCARIDOTQzGIuSASCIGCiL7ocDMI7yhwM4TEAAWAEKIAjVggESAzc4MBiIGCDvuAEoqfOHAzCK9ocDOExAAVgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Mar 4 - Wed, Mar 18 PDX Portland LIS Lisbon CA $787 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:04/03/2026TANYT&leg2=from:LIS,to:PDX,departure:18/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:786.95&airProductToken=AQqmAQoxCMGCARIDODIwGO-4ASCuHCjE34YDML3hhgM4QkAAWAFqBUJBU0lDcghPTFg3VDFCVgowCMGCARICOTAYrhwg64kBKNvihgMwseaGAzhCQAFYAWoFQkFTSUNyCE9MWDdUMUJWCj8IwYIBEgQ3MDk3GOuJASCLkgEoi-eGAzC66IYDOFNAAVgBagVCQVNJQ3IIT0xYN1QxQlZ6CgjCggESBDcwOTcKggEKPwjBggESBDcxMjQYi5IBIOuJASiJ94cDML34hwM4U0AAWAFqBUJBU0lDcghPTFg3VDFCVnoKCMKCARIENzEyNAo_CMGCARIENjk1NhjriQEg77gBKJn6hwMw-_6HAzhPQAFYAWoFQkFTSUNyCE9MWDdUMUJWegoIwoIBEgQ2OTU2EgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Mar 4 - Wed, Mar 18 PDX Portland LIS Lisbon CA $792 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:04/03/2026TANYT&leg2=from:LIS,to:PDX,departure:18/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:791.45&airProductToken=AQqcAQozCMGCARIEMjIxNhjvuAEgo7EBKJDdhgMw9t6GAzhCQABYAWoFQkFTSUNyCE9MWDdUMUJWCjIIwYIBEgQxODUyGKOxASDvWSi934YDMP_ghgM4QkABWAFqBUJBU0lDcghPTFg3VDFCVgoxCMGCARIDMjU4GO9ZIIuSASi44oYDMNflhgM4QkABWAFqBUJBU0lDcghPTFg3VDFCVgqCAQo_CMGCARIENzEyNBiLkgEg64kBKIn3hwMwvfiHAzhTQABYAWoFQkFTSUNyCE9MWDdUMUJWegoIwoIBEgQ3MTI0Cj8IwYIBEgQ2OTU2GOuJASDvuAEomfqHAzD7_ocDOE9AAVgBagVCQVNJQ3IIT0xYN1QxQlZ6CgjCggESBDY5NTYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Mar 4 - Wed, Mar 18 PDX Portland LIS Lisbon CA $795 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:04/03/2026TANYT&leg2=from:LIS,to:PDX,departure:18/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:794.65&airProductToken=AQqmAQoxCMGCARIDODIwGO-4ASCuHCjE34YDML3hhgM4QkAAWAFqBUJBU0lDcghPTFg3VDFCVgowCMGCARICOTAYrhwg64kBKNvihgMwseaGAzhCQAFYAWoFQkFTSUNyCE9MWDdUMUJWCj8IwYIBEgQ3MDk3GOuJASCLkgEoi-eGAzC66IYDOFNAAVgBagVCQVNJQ3IIT0xYN1QxQlZ6CgjCggESBDcwOTcKqgEKPwjBggESBDcxMjQYi5IBIOuJASiJ94cDML34hwM4U0AAWAFqBUJBU0lDcghPTFg3VDFCVnoKCMKCARIENzEyNAoyCMGCARIDMTM3GOuJASCLuAEopvmHAzDY_ocDOEJAAVgBagVCQVNJQ3IIT0xYN1QxQlYKMwjBggESBDYzNDUYi7gBIO-4ASiMgIgDMKSBiAM4QkABWAFqBUJBU0lDcghPTFg3VDFCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Mar 4 - Wed, Mar 18 PDX Portland LIS Lisbon CA $800 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:04/03/2026TANYT&leg2=from:LIS,to:PDX,departure:18/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:799.15&airProductToken=AQqcAQozCMGCARIEMjEwNBjvuAEgo7EBKNTchgMwud6GAzhCQABYAWoFQkFTSUNyCE9MWDdUMUJWCjIIwYIBEgQzMDU5GKOxASDvWSiB34YDMMPghgM4QkABWAFqBUJBU0lDcghPTFg3VDFCVgoxCMGCARIDMjU4GO9ZIIuSASi44oYDMNflhgM4QkABWAFqBUJBU0lDcghPTFg3VDFCVgqqAQo_CMGCARIENzEyNBiLkgEg64kBKIn3hwMwvfiHAzhTQABYAWoFQkFTSUNyCE9MWDdUMUJWegoIwoIBEgQ3MTI0CjIIwYIBEgMxMzcY64kBIIu4ASim-YcDMNj-hwM4QkABWAFqBUJBU0lDcghPTFg3VDFCVgozCMGCARIENjM0NRiLuAEg77gBKIyAiAMwpIGIAzhCQAFYAWoFQkFTSUNyCE9MWDdUMUJWEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Mar 2 - Mon, Mar 16 PDX Portland LIS Lisbon CA $841 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:02/03/2026TANYT&leg2=from:LIS,to:PDX,departure:16/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:840.90&airProductToken=AQpoCiEI1YIBEgQyMzc1GO-4ASCDaSi-x4YDMNfIhgM4TEAAWAEKIQjVggESBDE1MDUYg2kgxI0BKLjJhgMwksuGAzhMQAFYAQogCNWCARICNjQYxI0BIIuSASjVy4YDMOrOhgM4TEABWAEKRAogCNWCARIDOTQzGIuSASCIGCjr4ocDMO7mhwM4VEAAWAEKIAjVggESAzc4MBiIGCDvuAEoieiHAzDq6ocDOFRAAVgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Mar 4 - Wed, Mar 18 PDX Portland LIS Lisbon CA $851 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:04/03/2026TANYT&leg2=from:LIS,to:PDX,departure:18/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:850.45&airProductToken=AQqcAQozCMGCARIEMjc5OBjvuAEg77kBKP7dhgMwm9-GAzhCQABYAWoFQkFTSUNyCFFMWDBUMUJWCjIIwYIBEgQxOTgxGO-5ASDvWSjQ34YDMMrhhgM4QkABWAFqBUJBU0lDcghRTFgwVDFCVgoxCMGCARIDMjU4GO9ZIIuSASi44oYDMNflhgM4QkABWAFqBUJBU0lDcghRTFgwVDFCVgqCAQo_CMGCARIENzEyNBiLkgEg64kBKIn3hwMwvfiHAzhTQABYAWoFQkFTSUNyCE9MWDdUMUJWegoIwoIBEgQ3MTI0Cj8IwYIBEgQ2OTU2GOuJASDvuAEomfqHAzD7_ocDOE9AAVgBagVCQVNJQ3IIT0xYN1QxQlZ6CgjCggESBDY5NTYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Wed, Mar 4 - Wed, Mar 18 PDX Portland LIS Lisbon CA $961 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:04/03/2026TANYT&leg2=from:LIS,to:PDX,departure:18/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:960.35&airProductToken=AQq1AQo-CMuYARIENTY3MRjvuAEgkgEop-CGAzDp4IYDOFJAAFgBagVMSUdIVHIIUkxYNzZTQlV6CgjEmAESBDU2NzEKPgjLmAESBDYwMzIYkgEggJMBKInhhgMw3OWGAzhSQAFYAWoFTElHSFRyCFJMWDc2U0JVegoIxJgBEgQ2MDMyCjMIy5gBEgQxNTgzGICTASCLkgEo9-aGAzCr6IYDOExAAVgBagVMSUdIVHIIUkxYNzZTQlUKaQozCMuYARIEMTU3OBiLkgEggJMBKIz2hwMwxfeHAzhMQABYAWoFTElHSFRyCFJMWDc2U0JVCjIIy5gBEgM2MTUYgJMBIO-4ASiV-IcDMO38hwM4UkABWAFqBUxJR0hUcghSTFg3NlNCVRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMA0) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Mar 4 - Wed, Mar 18 PDX Portland LIS Lisbon CA $961 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:04/03/2026TANYT&leg2=from:LIS,to:PDX,departure:18/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:960.35&airProductToken=AQrAAQo1CMSYARIDNDUxGO-4ASCpUSik3YYDMOnfhgM4RUAAWAFqCU1BSU5CQVNJQ3IIWExYNzZTQlUKQgjEmAESBDkzNTcYqVEggJMBKPXghgMwnuSGAzhFQAFYAWoJTUFJTkJBU0lDcghYTFg3NlNCVXoKCMuYARIEOTM1NwpDCMSYARIEOTM0ORiAkwEgi5IBKIflhgMwu-aGAzhFQAFYAWoJTUFJTkJBU0lDcghYTFg3NlNCVXoKCMuYARIEOTM0OQqKAQpDCMSYARIEOTU5OBiLkgEggJMBKIz2hwMwxfeHAzhFQABYAWoJTUFJTkJBU0lDcghYTFg3NlNCVXoKCMuYARIEOTU5OApDCMSYARIEOTIxNhiAkwEg77gBKJX4hwMw7fyHAzhFQAFYAWoJTUFJTkJBU0lDcghYTFg3NlNCVXoKCMuYARIEOTIxNhIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Fri, Mar 6 - Tue, Mar 10 PDX Portland LIS Lisbon CA $978 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:06/03/2026TANYT&leg2=from:LIS,to:PDX,departure:10/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:977.10&airProductToken=AQpoCjIIwoIBEgMyNjYY77gBIOuJASjp-IYDMKj9hgM4U0AAWAFqBU5PQkFHcghTTE40VDFCVgoyCMKCARIDNTEyGOuJASCLkgEonIGHAzDBgocDOFNAAVgBagVOT0JBR3IIU0xONFQxQlYKaAoyCMKCARIDNTExGIuSASDriQEo_KKHAzChpIcDOFFAAFgBagVOT0JBR3IIUUxYMFQxQlYKMgjCggESAzI2NxjriQEg77gBKLmrhwMwm7CHAzhRQAFYAWoFTk9CQUdyCFFMWDBUMUJWEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.ca/deals?rfrr=FTG_SPRING_PROMO_) ## Alternative airports near Lisbon Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:07/03/2026TANYT&leg2=from:LIS,to:PDX,departure:17/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LIS Humberto Delgado Cheapest [Flights from CA $865 ](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:07/03/2026TANYT&leg2=from:LIS,to:PDX,departure:17/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Find the cheapest month to fly from Portland (PDX) to Lisbon (LIS) ### February is typically the cheapest month to fly From CA $679 - CA $1,387 per traveller. ## Frequently asked questions ### How much is a flight from Portland Intl. Airport (PDX) to Lisbon/Portela Airport? ### Do I need to pay a cancellation fee if I cancel my flight from Portland Intl. Airport (PDX) to LIS? ### How do I find cheap flights from PDX to Lisbon Airport that have flexible change policies? ### How many hours is the flight from Portland Intl. Airport (PDX) to Lisbon/Portela Airport? ### How far is the flight from PDX Airport to Lisbon Airport? ### Which airlines fly direct from Portland Airport to Lisbon Airport? ### Are Portland Airport to LIS flight tickets cheaper when they're purchased at the last minute? ## Travel information | Origin airport | Portland Intl. | | ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Humberto Delgado | | Airlines serving | Air Canada, Air France, American Airlines, British Airways, Delta, Iberia, KLM, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic | | Roundtrip price | CA $773 | | Distance | 8478 km | ## Book with confidence # Portland to Lisbon District Flights **The easy way to book your flights from Portland to Lisbon** With Expedia, it’s simple to find and book flights to Lisbon from Portland whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Humberto Delgado, too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Portland to Lisbon today, tomorrow, or this week. **Save dollars with cheap flights from Portland Intl., PDX to Humberto Delgado, LIS** Sort your search results by price to find great deals on your flight from Portland to Lisbon—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Lisbon from Portland currently is just CA $773 rising to CA $978\. Here are more money-saving tips: - Fly in March when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Lisbon - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! **Reasons to choose Expedia for your flight to Lisbon from Portland** Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Lisbon with Expedia today. \*Available to Expedia members.