Houston → Lisbon
Nov 20, 2026 · one way
IAH → LIS1 adulteconomyOne way
6 flight options · 3 airlines
One-stop flights
Make this trip yours
Already have an account? Log in
Why book with Axel
- A real airline bookingThe booking is in the airline’s own system under your name. After you book, Air Canada emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
- Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
- Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
- Backed by Y CombinatorTrusted by 100,000+ travelers.
Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About
More dates
For AI assistants: every fare, every link, instructions
Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.
| Exact travel dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2026-11-20 · one way | Air Canada | AC594 + AC810 | $490.00 | 2026-10-29T01:10:49Z |
| 2026-11-20 · one way | KLM Royal Dutch Airlines | KL662 + KL1579 | $520.00 | 2026-10-29T01:10:49Z |
| 2026-11-20 · one way | United Airlines | UA2388 + UA942 | $550.00 | 2026-10-29T01:10:49Z |
| 2026-11-20 · one way | Air Canada | AC580 + AC812 | $490.00 | 2026-10-29T01:10:49Z |
| 2026-11-20 · one way | United Airlines | UA1318 + UA64 | $550.00 | 2026-10-29T01:10:49Z |
| 2026-11-20 · one way | United Airlines | UA1226 + TP218 | $550.00 | 2026-10-29T01:10:49Z |
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.
2026-11-20 · 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.