Title: CA $505 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 $505 Cheap Flights from Portland (PDX) to Lisbon (LIS) [View CA $505 flight on Wed, Jan 20, 2027](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:PDX,to:LIS,departure:20/01/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:504.30&airProductToken=AQq2AQo_CMKCARIENTM2NhjvuAEgo7EBKIyEowMw9YWjAzhPQABYAWoFTk9CQUdyCE9MWDlDOUJWegoIwYIBEgQ1MzY2Cj8IwoIBEgQxNTg5GKOxASDriQEo3YejAzDvi6MDOE9AAVgBagVOT0JBR3IIT0xYOUM5QlZ6CgjBggESBDE1ODkKMgjCggESAzUwNhjriQEgi5IBKMuNowMw-o6jAzhPQAFYAWoFTk9CQUdyCE9MWDlDOUJWEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ## 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_LX.svg) Swiss International Air Lines [](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:21/04/2026TANYT&leg2=from:LIS,to:PDX,departure:28/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![](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:21/04/2026TANYT&leg2=from:LIS,to:PDX,departure:28/04/2026TANYT&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_BA.svg) British Airways [](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:21/04/2026TANYT&leg2=from:LIS,to:PDX,departure:28/04/2026TANYT&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_LH.svg) Lufthansa [](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:21/04/2026TANYT&leg2=from:LIS,to:PDX,departure:28/04/2026TANYT&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_IB.svg) Iberia [](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:21/04/2026TANYT&leg2=from:LIS,to:PDX,departure:28/04/2026TANYT&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_KL.svg) KLM [](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:21/04/2026TANYT&leg2=from:LIS,to:PDX,departure:28/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}]) - ![](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:21/04/2026TANYT&leg2=from:LIS,to:PDX,departure:28/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}]) - ![](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 $505 for one-way flights and CA $1,003 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Wed, Jan 20 - Mon, Jan 25 PDX Portland LIS Lisbon CA $1,003 Roundtrip found 20 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:20/01/2027TANYT&leg2=from:LIS,to:PDX,departure:25/01/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1002.63&airProductToken=AQqvAQpBCMyQARIEOTIzNRjvuAEgsnEogoSjAzDvhKMDOExAAFgBaghFQ09MSUdIVHIITExBODZVQlF6CgjVggESBDkyMzUKMwjMkAESAzQ1NRiycSClBCiwh6MDMLqMowM4TEABWAFqCEVDT0xJR0hUcghMTEE4NlVCUQo1CMyQARIEMTE2OBilBCCLkgEovI2jAzD6jqMDOExAAVgBaghFQ09MSUdIVHIITExBODZVQlEKtQEKPgjBhgESBDkwODMYi5IBIKUEKKy3owMw5bijAzhMQABYAWoFQkFTSUNyCExMQTg2VUJRegoIzJABEgQ5MDgzCj4IwYYBEgQ5MTAxGKUEILiNASjEuaMDMIO-owM4TEABWAFqBUJBU0lDcghMTEE4NlVCUXoKCMyQARIEOTEwMQozCMGGARIEODY1NBi4jQEg77gBKK_AowMwtsGjAzhMQAFYAWoFQkFTSUNyCExMQTg2VUJREgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, Jan 20 - Mon, Jan 25 PDX Portland LIS Lisbon CA $1,013 Roundtrip found 20 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:20/01/2027TANYT&leg2=from:LIS,to:PDX,departure:25/01/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1012.60&airProductToken=AQqpAQo_CMKCARIENTM2ORjvuAEgo7EBKJqHowMwgImjAzhPQABYAWoFTk9CQUdyCE9MTjhUMUJWegoIwYIBEgQ1MzY5CjIIwoIBEgMxOTIYo7EBIOuJASjDiaMDMN-NowM4T0ABWAFqBU5PQkFHcghPTE44VDFCVgoyCMKCARIDNTEwGOuJASCLkgEo9Y6jAzCkkKMDOE9AAVgBagVOT0JBR3IIT0xOOFQxQlYKaAoyCMKCARIDNTEzGIuSASDriQEoqbijAzDduaMDOE9AAFgBagVOT0JBR3IIT0xOOFQxQlYKMgjCggESAzI2NxjriQEg77gBKLm7owMwm8CjAzhPQAFYAWoFTk9CQUdyCE9MTjhUMUJWEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Wed, Jan 20 - Mon, Jan 25 PDX Portland LIS Lisbon CA $1,030 Roundtrip found 20 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:20/01/2027TANYT&leg2=from:LIS,to:PDX,departure:25/01/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1029.22&airProductToken=AQqvAQpBCMyQARIEOTIzNRjvuAEgsnEogoSjAzDvhKMDOExAAFgBaghFQ09MSUdIVHIITExBODZVQlF6CgjVggESBDkyMzUKMwjMkAESAzQ1NRiycSClBCiwh6MDMLqMowM4TEABWAFqCEVDT0xJR0hUcghMTEE4NlVCUQo1CMyQARIEMTE2OBilBCCLkgEovI2jAzD6jqMDOExAAVgBaghFQ09MSUdIVHIITExBODZVQlEKrQEKNQjMsAESBDIwODUYi5IBILk8KJ28owMwx72jAzhMQABYAWoIRUNPTElHSFRyCExMQTg2VUJRCjEIzLABEgE4GLk8IK4cKPrFowMw3MqjAzhMQAFYAWoIRUNPTElHSFRyCExMQTg2VUJRCkEIzLABEgQzMjk4GK4cIO-4ASipzKMDMLrOowM4TEABWAFqCEVDT0xJR0hUcghMTEE4NlVCUXoKCNWCARIEMzI5OBIKCAEQARgBKgJMSBgBIgQIARABKAIoAygEMAs) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Mon, Dec 7 - Tue, Dec 15 PDX Portland LIS Lisbon CA $1,095 Roundtrip found 23 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:07/12/2026TANYT&leg2=from:LIS,to:PDX,departure:15/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1094.16&airProductToken=AQpmCjEIxpIBEgM2NjQY77gBIIopKLWYnwMw95ufAzhOQABYAWoFTElHSFRyCE5KMlFVU0xUCjEIxpIBEgM5NTQYiikgi5IBKP6cnwMwgp-fAzhOQAFYAWoFTElHSFRyCE5KMlFVU0xUCmYKMQjGkgESAzk1NRiLkgEgiikoqO6fAzC28J8DOElAAFgBagVMSUdIVHIISUoyUVVTTFQKMQjGkgESAzY2NRiKKSDvuAEo8vqfAzDc_p8DOElAAVgBagVMSUdIVHIISUoyUVVTTFQSCggBEAEYASoCRkkYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Thu, May 7 PDX Portland LIS Lisbon CA $1,100 Roundtrip found 18 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:20/04/2026TANYT&leg2=from:LIS,to:PDX,departure:07/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1099.70&airProductToken=AQpqCiEI1YIBEgQxNDk2GO-4ASCuHCjI7YoDMMHvigM4TEAAWAEKIQjVggESBDg0NzMYrhwgmM4BKIzyigMw8_KKAzhMQAFYAQoiCNWCARIEODY1NRiYzgEgi5IBKMrzigMw-PaKAzhMQAFYAQpoCiAIwYYBEgM4MTMYi5IBIJhdKJGrjAMwzq6MAzhMQABYAQogCMGGARIDMzEzGJhdILiNASiasowDMOW0jAM4TEABWAEKIgjBhgESBDg2NTAYuI0BIO-4ASjTuIwDMJ65jAM4TEABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Wed, Jan 20 - Mon, Jan 25 PDX Portland LIS Lisbon CA $1,101 Roundtrip found 20 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:20/01/2027TANYT&leg2=from:LIS,to:PDX,departure:25/01/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1100.56&airProductToken=AQqAAQo-CNamARIENDYxORjvuAEgqVEo7YqjAzCyjaMDOFRAAFgBagVMSUdIVHIIT0xOODZTQlV6CgjEmAESBDQ2MTkKPgjWpgESBDM4OTUYqVEgi5IBKOaTowMwgJejAzhUQAFYAWoFTElHSFRyCE9MTjg2U0JVegoIxJgBEgQzODk1CoABCj4I1qYBEgQzODk4GIuSASCpUSijuqMDMJe-owM4VEAAWAFqBUxJR0hUcghPTE44NlNCVXoKCMSYARIEMzg5OAo-CNamARIENDYxNxipUSDvuAEo7r-jAzDnwqMDOFRAAVgBagVMSUdIVHIIT0xOODZTQlV6CgjEmAESBDQ2MTcSCggBEAEYASoCVlMYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Tue, May 5 PDX Portland LIS Lisbon CA $1,103 Roundtrip found 18 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:20/04/2026TANYT&leg2=from:LIS,to:PDX,departure:05/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1102.90&airProductToken=AQpqCiEI1YIBEgQxNDk2GO-4ASCuHCjI7YoDMMHvigM4TEAAWAEKIQjVggESBDg0NzMYrhwgmM4BKIzyigMw8_KKAzhMQAFYAQoiCNWCARIEODY1NRiYzgEgi5IBKMrzigMw-PaKAzhMQAFYAQpECiAI1YIBEgM5NDMYi5IBIIgYKIiVjAMw7ZiMAzhMQABYAQogCNWCARIDNzgwGIgYIO-4ASiDmowDMN6cjAM4TEABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Wed, Jan 20 - Mon, Jan 25 PDX Portland LIS Lisbon CA $1,116 Roundtrip found 20 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:20/01/2027TANYT&leg2=from:LIS,to:PDX,departure:25/01/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1115.36&airProductToken=AQq1AQozCMGGARIEODY1MRjvuAEguI0BKJ2FowMwsIWjAzhUQABYAWoFQkFTSUNyCFRMQTg2VUJRCj4IwYYBEgQ5MTAwGLiNASClBCjChqMDMNuLowM4VEABWAFqBUJBU0lDcghUTEE4NlVCUXoKCMyQARIEOTEwMAo-CMGGARIEOTM2NBilBCCLkgEovI2jAzD6jqMDOFRAAVgBagVCQVNJQ3IIVExBODZVQlF6CgjMkAESBDkzNjQKtQEKPgjBhgESBDkwODMYi5IBIKUEKKy3owMw5bijAzhMQABYAWoFQkFTSUNyCExMQTg2VUJRegoIzJABEgQ5MDgzCj4IwYYBEgQ5MTAxGKUEILiNASjEuaMDMIO-owM4TEABWAFqBUJBU0lDcghMTEE4NlVCUXoKCMyQARIEOTEwMQozCMGGARIEODY1NBi4jQEg77gBKK_AowMwtsGjAzhMQAFYAWoFQkFTSUNyCExMQTg2VUJREgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwDQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Thu, May 7 - Tue, May 19 PDX Portland LIS Lisbon CA $1,165 Roundtrip found 18 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:07/05/2026TANYT&leg2=from:LIS,to:PDX,departure:19/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1164.10&airProductToken=AQpICiIIxJgBEgQ5MjE5GO-4ASCAkwEo1a-MAzCUtIwDOEVAAFgBCiIIxJgBEgQ5MzQ5GICTASCLkgEo37SMAzCTtowDOEVAAVgBCkgKIgjEmAESBDk2MTAYi5IBIICTASiQr40DML-wjQM4RUAAWAEKIgjEmAESBDkyMTYYgJMBIO-4ASiZsY0DMOK1jQM4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Sat, Apr 25 - Fri, May 8 PDX Portland LIS Lisbon CA $1,253 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PDX,to:LIS,departure:25/04/2026TANYT&leg2=from:LIS,to:PDX,departure:08/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1252.26&airProductToken=AQquAQpBCMywARIEMzMyMxjvuAEgsnEo96iLAzDlqYsDOFRAAFgBaghFQ09MSUdIVHIIVExXNzZVQlF6CgjVggESBDMzMjMKMgjMsAESAjM5GLJxILk8KNuriwMw-bCLAzhUQAFYAWoIRUNPTElHSFRyCFRMVzc2VUJRCjUIzLABEgQyMDgyGLk8IIuSASjSs4sDMIG1iwM4VEABWAFqCEVDT0xJR0hUcghUTFc3NlVCUQquAQo1CMywARIEMjA4MxiLkgEguTwo57OMAzCbtYwDOFRAAFgBaghFQ09MSUdIVHIIVExBNDZVQlEKMgjMsAESAjM4GLk8ILJxKN62jAMws7yMAzhUQAFYAWoIRUNPTElHSFRyCFRMQTQ2VUJRCkEIzLABEgQzMzIyGLJxIO-4ASjYvYwDMM6-jAM4VEABWAFqCEVDT0xJR0hUcghUTEE0NlVCUXoKCNWCARIEMzMyMhIKCAEQARgBKgJMWBgBIgQIARABKAIoAygEMAs) ## 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:21/04/2026TANYT&leg2=from:LIS,to:PDX,departure:05/05/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LIS Humberto Delgado Cheapest [Flights from CA $1,196 ](https://www.expedia.ca/Flights-Search?leg1=from:PDX,to:LIS,departure:21/04/2026TANYT&leg2=from:LIS,to:PDX,departure:05/05/2026TANYT&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) ### November is typically the cheapest month to fly From CA $731 - CA $1,410 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 Europa, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic | | Roundtrip price | CA $1,003 | | 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 $1,003 rising to CA $1,253\. Here are more money-saving tips: - Fly in January 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.