Flights from Houston to Portugal in May

Flights for your trip

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

2026-11-20 · one way · $490.00

• Air Canada AC594 / AC810: IAH 2026-11-20 15:30:00 → LIS 2026-11-21 09:20:00; 1 stop(s) via YYZ; 710 minutes. Local airport times.
  • AC594: IAH 2026-11-20 15:30:00 → YYZ 2026-11-20 19:45:00; layover at YYZ: 85 minutes.
  • AC810: YYZ 2026-11-20 21:10:00 → LIS 2026-11-21 09:20:00.

2026-11-20 · one way · $520.00

• KLM Royal Dutch Airlines KL662 / KL1579: IAH 2026-11-20 15:05:00 → LIS 2026-11-21 10:30:00; 1 stop(s) via AMS; 805 minutes. Local airport times.
  • KL662: IAH 2026-11-20 15:05:00 → AMS 2026-11-21 07:15:00; layover at AMS: 75 minutes.
  • KL1579: AMS 2026-11-21 08:30:00 → LIS 2026-11-21 10:30:00.

2026-11-20 · one way · $550.00

• United Airlines UA2388 / UA942: IAH 2026-11-20 16:45:00 → LIS 2026-11-21 10:05:00; 1 stop(s) via IAD; 680 minutes. Local airport times.
  • UA2388: IAH 2026-11-20 16:45:00 → IAD 2026-11-20 20:49:00; layover at IAD: 86 minutes.
  • UA942: IAD 2026-11-20 22:15:00 → LIS 2026-11-21 10:05:00.

2026-11-27 → 2026-12-04 · $777.00

• Air Canada AC594 / AC810: IAH 2026-11-27 15:30:00 → LIS 2026-11-28 09:20:00; 1 stop(s) via YYZ; 710 minutes. Local airport times.
  • AC594: IAH 2026-11-27 15:30:00 → YYZ 2026-11-27 19:45:00; layover at YYZ: 85 minutes.
  • AC810: YYZ 2026-11-27 21:10:00 → LIS 2026-11-28 09:20:00.
• Air Canada AC811 / UA394: LIS 2026-12-04 10:50:00 → IAH 2026-12-04 18:41:00; 1 stop(s) via YYZ; 831 minutes. Local airport times.
  • AC811: LIS 2026-12-04 10:50:00 → YYZ 2026-12-04 14:15:00; layover at YYZ: 90 minutes.
  • UA394: YYZ 2026-12-04 15:45:00 → IAH 2026-12-04 18:41:00.

2026-11-20 → 2026-11-23 · $790.50

• KLM Royal Dutch Airlines KL662 / KL1579: IAH 2026-11-20 15:05:00 → LIS 2026-11-21 10:30:00; 1 stop(s) via AMS; 805 minutes. Local airport times.
  • KL662: IAH 2026-11-20 15:05:00 → AMS 2026-11-21 07:15:00; layover at AMS: 75 minutes.
  • KL1579: AMS 2026-11-21 08:30:00 → LIS 2026-11-21 10:30:00.
• TAP Air Portugal TP201 / UA2782: LIS 2026-11-23 11:40:00 → IAH 2026-11-23 20:23:00; 1 stop(s) via EWR; 883 minutes. Local airport times.
  • TP201: LIS 2026-11-23 11:40:00 → EWR 2026-11-23 15:20:00; layover at EWR: 120 minutes.
  • UA2782: EWR 2026-11-23 17:20:00 → IAH 2026-11-23 20:23:00.

2026-11-20 → 2026-11-23 · $892.50

• United Airlines UA2388 / UA942: IAH 2026-11-20 16:45:00 → LIS 2026-11-21 10:05:00; 1 stop(s) via IAD; 680 minutes. Local airport times.
  • UA2388: IAH 2026-11-20 16:45:00 → IAD 2026-11-20 20:49:00; layover at IAD: 86 minutes.
  • UA942: IAD 2026-11-20 22:15:00 → LIS 2026-11-21 10:05:00.
• United Airlines UA943 / UA1873: LIS 2026-11-23 12:20:00 → IAH 2026-11-23 20:28:00; 1 stop(s) via IAD; 848 minutes. Local airport times.
  • UA943: LIS 2026-11-23 12:20:00 → IAD 2026-11-23 15:40:00; layover at IAD: 132 minutes.
  • UA1873: IAD 2026-11-23 17:52:00 → IAH 2026-11-23 20:28:00.

2026-11-20 · one way · $490.00

• Air Canada AC580 / AC812: IAH 2026-11-20 11:55:00 → LIS 2026-11-21 06:55:00; 1 stop(s) via YUL; 780 minutes. Local airport times.
  • AC580: IAH 2026-11-20 11:55:00 → YUL 2026-11-20 16:45:00; layover at YUL: 150 minutes.
  • AC812: YUL 2026-11-20 19:15:00 → LIS 2026-11-21 06:55:00.

2026-11-20 · one way · $550.00

• United Airlines UA1318 / UA64: IAH 2026-11-20 12:23:00 → LIS 2026-11-21 08:10:00; 1 stop(s) via EWR; 827 minutes. Local airport times.
  • UA1318: IAH 2026-11-20 12:23:00 → EWR 2026-11-20 17:00:00; layover at EWR: 205 minutes.
  • UA64: EWR 2026-11-20 20:25:00 → LIS 2026-11-21 08:10:00.

2026-11-20 · one way · $550.00

• United Airlines UA1226 / TP218: IAH 2026-11-20 12:00:00 → LIS 2026-11-21 05:35:00; 1 stop(s) via BOS; 695 minutes. Local airport times.
  • UA1226: IAH 2026-11-20 12:00:00 → BOS 2026-11-20 16:45:00; layover at BOS: 75 minutes.
  • TP218: BOS 2026-11-20 18:00:00 → LIS 2026-11-21 05:35:00.

2026-11-20 → 2026-11-23 · $777.00

• Air Canada AC580 / AC812: IAH 2026-11-20 11:55:00 → LIS 2026-11-21 06:55:00; 1 stop(s) via YUL; 780 minutes. Local airport times.
  • AC580: IAH 2026-11-20 11:55:00 → YUL 2026-11-20 16:45:00; layover at YUL: 150 minutes.
  • AC812: YUL 2026-11-20 19:15:00 → LIS 2026-11-21 06:55:00.
• Air Canada AC811 / UA394: LIS 2026-11-23 10:50:00 → IAH 2026-11-23 18:41:00; 1 stop(s) via YYZ; 831 minutes. Local airport times.
  • AC811: LIS 2026-11-23 10:50:00 → YYZ 2026-11-23 14:15:00; layover at YYZ: 90 minutes.
  • UA394: YYZ 2026-11-23 15:45:00 → IAH 2026-11-23 18:41:00.

2026-11-20 → 2026-11-23 · $777.00

• Air Canada AC594 / AC810: IAH 2026-11-20 15:30:00 → LIS 2026-11-21 09:20:00; 1 stop(s) via YYZ; 710 minutes. Local airport times.
  • AC594: IAH 2026-11-20 15:30:00 → YYZ 2026-11-20 19:45:00; layover at YYZ: 85 minutes.
  • AC810: YYZ 2026-11-20 21:10:00 → LIS 2026-11-21 09:20:00.
• Air Canada AC811 / UA394: LIS 2026-11-23 10:50:00 → IAH 2026-11-23 18:41:00; 1 stop(s) via YYZ; 831 minutes. Local airport times.
  • AC811: LIS 2026-11-23 10:50:00 → YYZ 2026-11-23 14:15:00; layover at YYZ: 90 minutes.
  • UA394: YYZ 2026-11-23 15:45:00 → IAH 2026-11-23 18:41:00.

2026-11-27 → 2026-12-04 · $777.00

• Air Canada AC580 / AC812: IAH 2026-11-27 11:55:00 → LIS 2026-11-28 06:55:00; 1 stop(s) via YUL; 780 minutes. Local airport times.
  • AC580: IAH 2026-11-27 11:55:00 → YUL 2026-11-27 16:45:00; layover at YUL: 150 minutes.
  • AC812: YUL 2026-11-27 19:15:00 → LIS 2026-11-28 06:55:00.
• Air Canada AC811 / UA394: LIS 2026-12-04 10:50:00 → IAH 2026-12-04 18:41:00; 1 stop(s) via YYZ; 831 minutes. Local airport times.
  • AC811: LIS 2026-12-04 10:50:00 → YYZ 2026-12-04 14:15:00; layover at YYZ: 90 minutes.
  • UA394: YYZ 2026-12-04 15:45:00 → IAH 2026-12-04 18:41:00.

2026-11-27 → 2026-12-04 · $810.00

• KLM Royal Dutch Airlines KL662 / KL1579: IAH 2026-11-27 15:05:00 → LIS 2026-11-28 10:30:00; 1 stop(s) via AMS; 805 minutes. Local airport times.
  • KL662: IAH 2026-11-27 15:05:00 → AMS 2026-11-28 07:15:00; layover at AMS: 75 minutes.
  • KL1579: AMS 2026-11-28 08:30:00 → LIS 2026-11-28 10:30:00.
• Air Canada AC811 / UA394: LIS 2026-12-04 10:50:00 → IAH 2026-12-04 18:41:00; 1 stop(s) via YYZ; 831 minutes. Local airport times.
  • AC811: LIS 2026-12-04 10:50:00 → YYZ 2026-12-04 14:15:00; layover at YYZ: 90 minutes.
  • UA394: YYZ 2026-12-04 15:45:00 → IAH 2026-12-04 18:41:00.

2026-11-27 → 2026-12-04 · $892.50

• United Airlines UA1318 / UA64: IAH 2026-11-27 12:23:00 → LIS 2026-11-28 08:10:00; 1 stop(s) via EWR; 827 minutes. Local airport times.
  • UA1318: IAH 2026-11-27 12:23:00 → EWR 2026-11-27 17:00:00; layover at EWR: 205 minutes.
  • UA64: EWR 2026-11-27 20:25:00 → LIS 2026-11-28 08:10:00.
• United Airlines UA943 / UA1873: LIS 2026-12-04 12:20:00 → IAH 2026-12-04 20:28:00; 1 stop(s) via IAD; 848 minutes. Local airport times.
  • UA943: LIS 2026-12-04 12:20:00 → IAD 2026-12-04 15:40:00; layover at IAD: 132 minutes.
  • UA1873: IAD 2026-12-04 17:52:00 → IAH 2026-12-04 20:28:00.

2026-11-20 → 2026-11-23 · $892.50

• United Airlines UA1318 / UA64: IAH 2026-11-20 12:23:00 → LIS 2026-11-21 08:10:00; 1 stop(s) via EWR; 827 minutes. Local airport times.
  • UA1318: IAH 2026-11-20 12:23:00 → EWR 2026-11-20 17:00:00; layover at EWR: 205 minutes.
  • UA64: EWR 2026-11-20 20:25:00 → LIS 2026-11-21 08:10:00.
• United Airlines UA943 / UA1873: LIS 2026-11-23 12:20:00 → IAH 2026-11-23 20:28:00; 1 stop(s) via IAD; 848 minutes. Local airport times.
  • UA943: LIS 2026-11-23 12:20:00 → IAD 2026-11-23 15:40:00; layover at IAD: 132 minutes.
  • UA1873: IAD 2026-11-23 17:52:00 → IAH 2026-11-23 20:28:00.

2026-11-27 → 2026-12-04 · $892.50

• United Airlines UA2388 / UA942: IAH 2026-11-27 16:45:00 → LIS 2026-11-28 10:05:00; 1 stop(s) via IAD; 680 minutes. Local airport times.
  • UA2388: IAH 2026-11-27 16:45:00 → IAD 2026-11-27 20:49:00; layover at IAD: 86 minutes.
  • UA942: IAD 2026-11-27 22:15:00 → LIS 2026-11-28 10:05:00.
• United Airlines UA943 / UA1873: LIS 2026-12-04 12:20:00 → IAH 2026-12-04 20:28:00; 1 stop(s) via IAD; 848 minutes. Local airport times.
  • UA943: LIS 2026-12-04 12:20:00 → IAD 2026-12-04 15:40:00; layover at IAD: 132 minutes.
  • UA1873: IAD 2026-12-04 17:52:00 → IAH 2026-12-04 20:28:00.

2026-11-20 → 2026-11-23 · $892.50

• United Airlines UA1226 / TP218: IAH 2026-11-20 12:00:00 → LIS 2026-11-21 05:35:00; 1 stop(s) via BOS; 695 minutes. Local airport times.
  • UA1226: IAH 2026-11-20 12:00:00 → BOS 2026-11-20 16:45:00; layover at BOS: 75 minutes.
  • TP218: BOS 2026-11-20 18:00:00 → LIS 2026-11-21 05:35:00.
• United Airlines UA943 / UA1873: LIS 2026-11-23 12:20:00 → IAH 2026-11-23 20:28:00; 1 stop(s) via IAD; 848 minutes. Local airport times.
  • UA943: LIS 2026-11-23 12:20:00 → IAD 2026-11-23 15:40:00; layover at IAD: 132 minutes.
  • UA1873: IAD 2026-11-23 17:52:00 → IAH 2026-11-23 20:28:00.

2026-11-27 → 2026-12-04 · $892.50

• United Airlines UA1226 / TP218: IAH 2026-11-27 12:00:00 → LIS 2026-11-28 05:35:00; 1 stop(s) via BOS; 695 minutes. Local airport times.
  • UA1226: IAH 2026-11-27 12:00:00 → BOS 2026-11-27 16:45:00; layover at BOS: 75 minutes.
  • TP218: BOS 2026-11-27 18:00:00 → LIS 2026-11-28 05:35:00.
• United Airlines UA943 / UA1873: LIS 2026-12-04 12:20:00 → IAH 2026-12-04 20:28:00; 1 stop(s) via IAD; 848 minutes. Local airport times.
  • UA943: LIS 2026-12-04 12:20:00 → IAD 2026-12-04 15:40:00; layover at IAD: 132 minutes.
  • UA1873: IAD 2026-12-04 17:52:00 → IAH 2026-12-04 20:28:00.

More dates for this route

• Nov 20, 2026 → Nov 23, 2026
• Nov 27, 2026 → Dec 4, 2026
• Nov 20, 2026 · One way

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Portugal in May from other cities

Fares observed October 28, 2026. USD for the travelers shown. Search a trip for current prices.

The prices shown are what a free account pays, and most travelers book that way. Membership is optional and takes the same flights lower. Live search shows the same free-account price.

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Hotels in Lisbon with Axel

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Where to stay: Where to stay in Lisbon: the 10 best neighborhoods, ranked · Lisbon hotels where a family of four can share one room

Hotel details in Lisbon: 138 Liberdade Hotel · 161 Norte Guesthouse · 1908 Lisboa Hotel · 262 Boutique Hotel · 9Hotel Mercy · All 223 hotels in Lisbon

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• This page: Flights from Houston to Portugal in May. Round-trip fares from Houston to Portugal in May: Lisbon, Porto, Faro, Funchal and Ponta Delgada (Azores). Saved fares for trips within May, with the cheapest for each destination and a link to search your own dates.
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