- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 35% on select hotels after you book a flight*
Plan, book, fly with confidence
Cheap round-trip flights to Portugal
Prices were available within the past 7 days and start at for one-way flights and P96,491 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Thu, Aug 15 - Fri, Aug 30
IAH
George Bush Intercontinental
LIS
Humberto Delgado
P96,491 Roundtrip, found 22 hours ago
P96,491
Roundtrip
found 22 hours ago
Thu, Aug 15 - Fri, Aug 30
IAH
George Bush Intercontinental
LIS
Humberto Delgado
P99,054 Roundtrip, found 22 hours ago
P99,054
Roundtrip
found 22 hours ago
Thu, Aug 15 - Fri, Aug 30
IAH
George Bush Intercontinental
LIS
Humberto Delgado
P105,205 Roundtrip, found 22 hours ago
P105,205
Roundtrip
found 22 hours ago
Thu, Aug 15 - Fri, Aug 30
IAH
George Bush Intercontinental
LIS
Humberto Delgado
P107,768 Roundtrip, found 22 hours ago
P107,768
Roundtrip
found 22 hours ago
About Portugal
Expedia offers flights to Portugal to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Portugal or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
Frequently asked questions
More to explore for Portugal
Heading to Portugal? Explore Portugal with Expedia's Travel Guides to find the best hotels, vacation packages, car rental deals and more!
Top Flight Destinations In the World
- Flights to Greece
- Flights to United States of America
- Flights to Indonesia
- Flights to Canada
- Flights to Sweden
- Flights to Norway
- Flights to Mexico
- Flights to South Korea
- Flights to Philippines
- Flights to Russia
- Flights to Switzerland
- Flights to Argentina
- Flights to Germany
- Flights to Australia
- Flights to France
- Flights to Japan
- Flights to Brazil
- Flights to United Kingdom
- Flights to India
- Flights to China
Packages
Spain VacationsIreland VacationsNetherlands VacationsFinland VacationsRomania VacationsBelgium VacationsNorway VacationsCroatia VacationsSweden VacationsGermany VacationsUnited Kingdom VacationsAustria VacationsIceland VacationsDenmark VacationsMalta VacationsItaly VacationsSwitzerland VacationsGreece VacationsSlovenia VacationsFrance VacationsPoland Vacations
*Available to Expedia members.