$413+ Cheap flights from Portugal to Houston
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — HOU
Mar 20 — Mar 271
1 adult, Economy
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Find cheap flights from Portugal to Houston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portugal to Houston
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Cheapest flights from Portugal to HoustonExplore the most affordable flight options available from Portugal to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
Explore the most affordable flight options available from Portugal to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
This Mytrip deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:00 am
LIS
- IAH
2 stops21h 59m
Multiple Airlines
Tue 3/105:24 pm
IAH
- LIS
2 stops20h 51m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$687
This Mytrip deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/302:10 pm
LIS
- IAH
3 stops28h 31m
Multiple Airlines
Mon 4/1311:41 am
IAH
- LIS
3 stops29h 19m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$786
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:35 am
LIS
- IAH
2 stops34h 02m
Multiple Airlines
Mon 4/207:05 am
IAH
- LIS
1 stop16h 25m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$790
This Mytrip deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:00 am
LIS
- IAH
2 stops21h 59m
Multiple Airlines
Sun 3/85:24 pm
IAH
- LIS
2 stops20h 51m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$795
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:20 am
LIS
- IAH
1 stop19h 19m
Multiple Airlines
Mon 5/189:24 am
IAH
- LIS
1 stop14h 31m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$797
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:35 am
LIS
- IAH
2 stops34h 12m
Multiple Airlines
Mon 4/207:05 am
IAH
- LIS
1 stop16h 25m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$804
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:20 am
LIS
- IAH
1 stop19h 29m
Multiple Airlines
Fri 4/242:39 pm
IAH
- LIS
1 stop17h 06m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$805
This Mytrip deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:00 am
LIS
- IAH
3 stops34h 36m
Multiple Airlines
Mon 4/1311:41 am
IAH
- LIS
3 stops29h 19m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$809
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:20 am
LIS
- IAH
1 stop19h 29m
Multiple Airlines
Wed 4/224:30 pm
IAH
- LIS
1 stop18h 45m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$812
This Virgin Atlantic deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:45 pm
LIS
- HOU
2 stops16h 23m
Virgin Atlantic
Mon 5/181:16 pm
HOU
- LIS
2 stops15h 29m
Virgin Atlantic
Deal found 2/18![Virgin Atlantic logo]()
$959
This Iberia deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:35 am
LIS
- HOU
2 stops19h 26m
Iberia
Mon 9/216:22 pm
HOU
- LIS
2 stops15h 43m
Iberia
Deal found 2/15![Iberia logo]()
$961
This Gurufare deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:30 am
LIS
- HOU
2 stops19h 20m
Multiple Airlines
Fri 3/204:20 pm
HOU
- LIS
2 stops25h 05m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$974
Best flights from Portugal to HoustonDiscover carefully curated flight deals from Portugal to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
Discover carefully curated flight deals from Portugal to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
This Mytrip deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:00 am
LIS
- IAH
2 stops21h 59m
Multiple Airlines
Tue 3/105:24 pm
IAH
- LIS
2 stops20h 51m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$687
This Delta deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:25 am
LIS
- IAH
2 stops18h 46m
Delta
Tue 3/105:05 pm
IAH
- LIS
1 stop19h 25m
Delta
Deal found 2/18![Delta logo]()
$841
This Virgin Atlantic deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:45 pm
LIS
- HOU
2 stops16h 23m
Virgin Atlantic
Mon 5/181:16 pm
HOU
- LIS
2 stops15h 29m
Virgin Atlantic
Deal found 2/18![Virgin Atlantic logo]()
$959
This KAYAK deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:35 am
LIS
- HOU
2 stops23h 24m
Iberia
Fri 6/56:39 pm
HOU
- LIS
2 stops15h 26m
Iberia
Deal found 2/17![Iberia logo]()
$993
This Mytrip deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/302:10 pm
LIS
- IAH
3 stops28h 31m
Multiple Airlines
Mon 4/1311:41 am
IAH
- LIS
3 stops29h 19m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$786
This Delta deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:00 am
LIS
- IAH
1 stop14h 15m
Delta
Mon 4/133:21 pm
IAH
- LIS
2 stops17h 34m
Delta
Deal found 2/17![Delta logo]()
$842
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:20 am
LIS
- IAH
1 stop19h 19m
Multiple Airlines
Mon 5/189:24 am
IAH
- LIS
1 stop14h 31m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$797
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:00 am
LIS
- IAH
2 stops21h 09m
Delta
Sun 3/155:05 pm
IAH
- LIS
1 stop19h 25m
Delta
Deal found 2/14![Delta logo]()
$842
This Mytrip deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:00 am
LIS
- IAH
3 stops34h 36m
Multiple Airlines
Mon 4/1311:41 am
IAH
- LIS
3 stops29h 19m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$809
This Virgin Atlantic deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:45 pm
LIS
- HOU
2 stops16h 23m
Virgin Atlantic
Tue 5/1910:12 am
HOU
- LIS
2 stops18h 33m
Virgin Atlantic
Deal found 2/17![Virgin Atlantic logo]()
$1,010
This KAYAK deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:35 am
LIS
- HOU
2 stops19h 15m
Iberia
Thu 4/912:42 pm
HOU
- LIS
2 stops21h 23m
Iberia
Deal found 2/18![Iberia logo]()
$1,034
This Mytrip deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:40 am
LIS
- IAH
2 stops22h 19m
Multiple Airlines
Fri 3/208:00 am
IAH
- LIS
2 stops33h 55m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$822
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:50 am
LIS
- HOU
2 stops18h 52m
Delta
Thu 4/236:00 am
HOU
- LIS
2 stops20h 00m
Delta
Deal found 2/16![Delta logo]()
$1,011
This KLM deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/283:30 pm
LIS
- IAH
1 stop28h 00m
Multiple Airlines
Sun 3/155:05 pm
IAH
- LIS
1 stop19h 25m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$837
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:00 am
LIS
- HOU
2 stops24h 08m
Delta
Fri 5/291:16 pm
HOU
- LIS
2 stops23h 29m
Delta
Deal found 2/15![Delta logo]()
$1,129
This Gurufare deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:30 am
LIS
- HOU
2 stops19h 20m
Multiple Airlines
Fri 3/204:20 pm
HOU
- LIS
2 stops25h 05m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$974
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:35 am
LIS
- HOU
2 stops23h 33m
Delta
Wed 5/276:00 am
HOU
- LIS
2 stops23h 15m
Delta
Deal found 2/15![Delta logo]()
$1,132
This KAYAK deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:35 am
LIS
- HOU
2 stops32h 51m
Multiple Airlines
Thu 5/288:23 pm
HOU
- LIS
2 stops20h 42m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$1,026
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:00 am
LIS
- HOU
2 stops23h 42m
Delta
Fri 4/245:23 pm
HOU
- LIS
2 stops19h 22m
Delta
Deal found 2/16![Delta logo]()
$1,147
This Delta deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:00 am
LIS
- HOU
2 stops23h 42m
Delta
Mon 4/131:31 pm
HOU
- LIS
2 stops22h 19m
Delta
Deal found 2/17![Delta logo]()
$1,240
This Delta deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:35 am
LIS
- HOU
2 stops22h 03m
Delta
Mon 7/66:00 am
HOU
- LIS
2 stops23h 15m
Delta
Deal found 2/18![Delta logo]()
$1,279
Last-minute flights from Portugal to HoustonDiscover last-minute flight deals from Portugal to Houston. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to Houston. Data last updated February 18, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:05 am
LIS
- HOU
2 stops18h 53m
American Airlines
Wed 2/2510:13 am
HOU
- LIS
2 stops16h 42m
American Airlines
Deal found 2/17![American Airlines logo]()
$992
This KLM deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/283:30 pm
LIS
- IAH
1 stop28h 00m
Multiple Airlines
Sun 3/155:05 pm
IAH
- LIS
1 stop19h 25m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$837
This Mytrip deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:40 am
LIS
- IAH
2 stops22h 19m
Multiple Airlines
Fri 3/208:00 am
IAH
- LIS
2 stops33h 55m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$822
This Gurufare deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:30 am
LIS
- HOU
2 stops19h 20m
Multiple Airlines
Fri 3/204:20 pm
HOU
- LIS
2 stops25h 05m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$974
This Mytrip deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:00 am
LIS
- IAH
2 stops21h 59m
Multiple Airlines
Sun 3/85:24 pm
IAH
- LIS
2 stops20h 51m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$795
This Iberia deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:45 pm
LIS
- HOU
2 stops18h 58m
Iberia
Sun 3/812:18 pm
HOU
- LIS
2 stops14h 22m
Iberia
Deal found 2/16![Iberia logo]()
$1,404
This Mytrip deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:00 am
LIS
- IAH
2 stops21h 59m
Multiple Airlines
Tue 3/105:24 pm
IAH
- LIS
2 stops20h 51m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$687
This Delta deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/65:30 am
LIS
- IAH
1 stop14h 25m
Delta
Tue 3/105:05 pm
IAH
- LIS
1 stop17h 05m
Delta
Deal found 2/18![Delta logo]()
$841
This Mytrip deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:00 am
LIS
- IAH
3 stops34h 36m
Multiple Airlines
Mon 4/1311:41 am
IAH
- LIS
3 stops29h 19m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$809
This Mytrip deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/302:10 pm
LIS
- IAH
3 stops28h 31m
Multiple Airlines
Mon 4/1311:41 am
IAH
- LIS
3 stops29h 19m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$786
This KAYAK deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:35 am
LIS
- HOU
2 stops19h 15m
Iberia
Thu 4/912:42 pm
HOU
- LIS
2 stops21h 23m
Iberia
Deal found 2/18![Iberia logo]()
$1,034
This Delta deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:00 am
LIS
- HOU
2 stops23h 42m
Delta
Mon 4/131:31 pm
HOU
- LIS
2 stops22h 19m
Delta
Deal found 2/17![Delta logo]()
$1,240
One-way flights from Portugal to HoustonSearch for one-way flight options from Portugal to Houston. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
Search for one-way flight options from Portugal to Houston. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:55 am
LIS
- IAH
3 stops33h 41m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$413
This Trip.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:40 am
LIS
- IAH
2 stops22h 19m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$418
This Trip.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:40 am
LIS
- IAH
2 stops22h 09m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$428
This Trip.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/77:40 am
LIS
- IAH
2 stops22h 19m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$430
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:35 am
LIS
- IAH
2 stops23h 04m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$436
This Mytrip deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:40 am
LIS
- IAH
2 stops22h 19m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:30 am
LIS
- IAH
3 stops38h 57m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:35 am
LIS
- IAH
2 stops32h 24m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1410:40 am
LIS
- HOU
3 stops38h 01m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$553
This Iberia deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:35 am
LIS
- HOU
2 stops19h 16m
Iberia
Deal found 2/17![Iberia logo]()
$558
This Iberia deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:35 am
LIS
- HOU
2 stops19h 16m
Iberia
Deal found 2/15![Iberia logo]()
$559
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/139:10 pm
LIS
- HOU
3 stops31h 58m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$569
Find flight deals from Portugal to Houston
Keep the following information in mind while searching for Portugal to Houston flight deals. Data was last updated February 18, 2026.
Round-trip from | $687 (Mytrip) |
|---|---|
One-way from | $413 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $797 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portugal to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from Portugal to Houston that are best for you.
Fly from
Portugal
Fly to
Houston
Route
Depart
Return
Price
LisbonHouston
LIS - IAH
LISIAH
Lisbon Humberto Delgado
Fri 3/6
8:00 am-11:59 pm
2 stops21h 59m
Houston George Bush Intcntl
Tue 3/10
5:24 pm-7:15 pm
2 stops20h 51m
$687
LisbonHouston
LIS - IAH
LISIAH
Lisbon Humberto Delgado
Mon 3/30
2:10 pm-12:41 pm
3 stops28h 31m
Houston George Bush Intcntl
Mon 4/13
11:41 am-11:00 pm
3 stops29h 19m
$786
LisbonHouston
LIS - IAH
LISIAH
Lisbon Humberto Delgado
Thu 5/14
10:20 am-11:39 pm
1 stop19h 19m
Houston George Bush Intcntl
Mon 5/18
9:24 am-5:55 am
1 stop14h 31m
$797
LisbonHouston
LIS - IAH
LISIAH
Lisbon Humberto Delgado
Sun 3/29
6:00 am-10:36 am
3 stops34h 36m
Houston George Bush Intcntl
Mon 4/13
11:41 am-11:00 pm
3 stops29h 19m
$809
LisbonHouston
LIS - IAH
LISIAH
Lisbon Humberto Delgado
Tue 3/3
7:40 am-11:59 pm
2 stops22h 19m
Houston George Bush Intcntl
Fri 3/20
8:00 am-10:55 pm
2 stops33h 55m
$822
LisbonHouston
LIS - IAH
LISIAH
Lisbon Humberto Delgado
Sat 2/28
3:30 pm-1:30 pm
1 stop28h 00m
Houston George Bush Intcntl
Sun 3/15
5:05 pm-5:30 pm
1 stop19h 25m
$837
LisbonHouston
LIS - IAH
LISIAH
Lisbon Humberto Delgado
Fri 3/6
11:25 am-12:11 am
2 stops18h 46m
Houston George Bush Intcntl
Tue 3/10
5:05 pm-5:30 pm
1 stop19h 25m
$841
LisbonHouston
LIS - IAH
LISIAH
Lisbon Humberto Delgado
Mon 3/30
5:00 am-1:15 pm
1 stop14h 15m
Houston George Bush Intcntl
Mon 4/13
3:21 pm-2:55 pm
2 stops17h 34m
$842
LisbonHouston
LIS - IAH
LISIAH
Lisbon Humberto Delgado
Sat 2/28
5:00 am-8:09 pm
2 stops21h 09m
Houston George Bush Intcntl
Sun 3/15
5:05 pm-5:30 pm
1 stop19h 25m
$842
LisbonHouston
LIS - HOU
LISHOU
Lisbon Humberto Delgado
Thu 5/14
12:45 pm-11:08 pm
2 stops16h 23m
Houston Hobby
Mon 5/18
1:16 pm-10:45 am
2 stops15h 29m
$959
Showing 1-10 of 39 results
Best time to book a flight from Portugal to Houston
Have a flexible travel schedule? Discover the best time to fly to Houston from Portugal with our price prediction graph.
LIS-IAH
LIS-HOU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portugal to Houston
PT0-HO1
LIS-IAH
LIS-HOU
What is the cheapest month to book a flight from Portugal to Houston?
Currently, January is the cheapest month in which you can book a flight from Portugal to Houston (average of $525). Flying from Portugal to Houston in July is currently the most expensive (average of $1,000). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Houston
Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated February 18, 2026.
Peruse reviews from past customers who have flown with United Airlines from Portugal to Houston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.6
Overall
7.4
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Boarding
7.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.6
Overall
7.4
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Related info for your journey
Find useful and relevant information for your journey from Portugal to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Portugal to Houston
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Complete your trip
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Search flights from Portugal to Houston by cabin class
Find flights from Portugal to Houston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portugal and Houston flights
Browse other Portugal and Houston flight options. Last updated on February 18, 2026.
Popular flight searches
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Portugal to Houston flights
Consider these flights traveling from Portugal to Houston.
Top airline flying from Portugal to Houston
Discover the top airline that operate flights from Portugal to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$794 | Average$854 | FlexibilityNo cancel fee | On-time69% |