Explore Air Canada flights from United States to Portugal starting at CAD 977*
*Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.
Flights between United States and Portugal - our lowest fares in cash
Houston (IAH)to
Lisbon (LIS)Houston (IAH)to
Lisbon (LIS)*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.
Flights between United States and Portugal - our lowest fares in points
From | To | Fare Type | Departure | Price |
|---|---|---|---|---|
| Chicago (ORD) | Lisbon (LIS) | Round-trip / Economy | May 13, 2026 - May 24, 2026 | From 77,700 pts + CAD 169 Viewed: 13 hours ago |
| Los Angeles (LAX) | Lisbon (LIS) | Round-trip / Economy | Apr 09, 2026 - Apr 28, 2026 | From 79,700 pts + CAD 181 Viewed: 3 hours ago |
| New York/Newark (EWR) | Lisbon (LIS) | Round-trip / Economy | Apr 06, 2026 - Apr 24, 2026 | From 70,000 pts + CAD 88 Viewed: 8 hours ago |
| San Francisco (SFO) | Lisbon (LIS) | Round-trip / Economy | Oct 05, 2026 - Oct 20, 2026 | From 78,200 pts + CAD 106 Viewed: 1 day ago |
| Washington, D.C. (IAD) | Lisbon (LIS) | Round-trip / Economy | Jun 17, 2026 - Jun 24, 2026 | From 543,600 pts + CAD 781 Viewed: 20 hours ago |
| Houston (IAH) | Lisbon (LIS) | Round-trip / Economy | Mar 27, 2026 - Apr 04, 2026 | From 285,000 pts + CAD 461 Viewed: 11 hours ago |
| Boston (BOS) | Lisbon (LIS) | Round-trip / Economy | Apr 18, 2026 - May 02, 2026 | From 176,000 pts + CAD 427 Viewed: 4 hours ago |
*Points displayed do not reflect preferred pricing for Aeroplan Elite Status Members and/or Aeroplan Credit Cardholders. Prices have been collected within the past 48 hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.