Houston to Lisbon flights (IAH → LIS)
Looking for Houston to Lisbon flights? Cheapest round-trip I’ve found: US$779 on Air Canada, 1 stop(s), departing 2027-03-01. That’s US$158 below the typical price for this route. Cheap flights from Houston to Lisbon change daily — I re-check this route three times a day.
Deal score: Higher than usual — cheaper than 12% of prices I’ve seen on this route.
Best months to fly Houston to Lisbon
| Month | Cheapest seen |
|---|---|
| December | US$589 |
| February | US$593 |
| March | US$779 |
How to book this fare
I don’t sell tickets — I track prices and point you to where to look. To book Houston to Lisbon flights:
- Search Houston to Lisbon on Google Flights for the dates shown above (Mar 2027) — the fare I found is usually still available there.
- Compare the same dates on metasearch sites like Skyscanner or KAYAK to confirm you’re seeing the lowest price.
- Book directly with the airline when you can — it’s often the same price and makes changes or cancellations much easier.
Fares change constantly. If the price has moved, check back — I re-check this route daily.
Other Houston to … flights
- Houston to Montevideo flights — US$1,193
- Houston to Sao Paulo flights — US$1,190
- Houston to Rio de Janeiro flights — US$1,080
- Houston to Medellin flights — US$610
- Houston to Prague flights — US$757
- Houston to Osaka flights — US$949
- Houston to Warsaw flights — US$718
- Houston to Budapest flights — US$788
All flights to Lisbon · All flights from Houston
Prices last checked: 2026-09-25, 6:18:06 a.m.. Prices are indicative and change quickly — confirm on the airline site before booking. See how I find these deals.