$302+ Cheap flights from Houston to Portugal
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Houston to Portugal with Cheapflights
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Cheapest flights from Houston to PortugalExplore the most affordable flight options available from Houston to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Houston to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Mytrip deal was found by Cheapflights users on 10/26. 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 11/132:32 pm -
2 stops22h 28m
Sun 11/2211:00 am -
2 stops27h 44m
Deal found 10/26![Multiple Airlines logo]()
$529
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Fri 11/132:32 pm -
1 stop16h 28m
Sat 11/216:00 am -
2 stops57h 24m
Deal found 10/28![Multiple Airlines logo]()
$674
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 11/132:32 pm -
1 stop16h 28m
Tue 11/177:00 am -
2 stops43h 55m
Deal found 10/27![Multiple Airlines logo]()
$689
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 11/132:32 pm -
1 stop16h 28m
Wed 11/184:10 pm -
2 stops35h 27m
Deal found 10/26![Multiple Airlines logo]()
$715
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/83:30 pm -
1 stop11h 50m
Tue 12/225:00 am -
1 stop15h 00m
Deal found 10/28![Multiple Airlines logo]()
$747
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:50 am -
1 stop13h 05m
Fri 12/45:00 am -
1 stop15h 00m
Deal found 10/28![Multiple Airlines logo]()
$748
This Gotogate deal was found by Cheapflights users on 10/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:50 am -
2 stops15h 30m
Tue 12/155:00 am -
1 stop15h 00m
Deal found 10/29![Multiple Airlines logo]()
$752
This KLM deal was found by Cheapflights users on 10/29. 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.
Sun 11/297:10 pm -
1 stop20h 45m
Tue 12/155:00 am -
1 stop14h 05m
Deal found 10/29![KLM logo]()
$754
This Delta deal was found by Cheapflights users on 10/28. 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 12/1311:08 am -
1 stop15h 07m
Fri 12/255:00 am -
1 stop14h 05m
Deal found 10/28![Delta logo]()
$756
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/82:32 pm -
1 stop16h 28m
Tue 11/177:00 am -
2 stops43h 55m
Deal found 10/26![Multiple Airlines logo]()
$757
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:50 am -
2 stops15h 05m
Thu 12/35:00 am -
1 stop15h 00m
Deal found 10/28![Multiple Airlines logo]()
$758
This Air France deal was found by Cheapflights users on 10/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/297:10 pm -
1 stop20h 45m
Tue 12/1511:15 am -
2 stops18h 43m
Deal found 10/29![Multiple Airlines logo]()
$760
Best flights from Houston to PortugalDiscover carefully curated flight deals from Houston to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Houston to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This KLM deal was found by Cheapflights users on 10/26. 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.
Tue 4/1311:50 am -
2 stops16h 40m
Fri 4/235:00 am -
1 stop14h 15m
Deal found 10/26![KLM logo]()
$708
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/103:20 pm -
1 stop12h 10m
Wed 3/176:00 am -
1 stop18h 15m
Deal found 10/28![United Airlines logo]()
$711
This Delta deal was found by Cheapflights users on 10/30. 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 4/131:15 pm -
2 stops20h 10m
Fri 4/235:00 am -
1 stop14h 15m
Deal found 10/30![Delta logo]()
$716
This British Airways deal was found by Cheapflights users on 10/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/83:50 pm -
1 stop14h 15m
Sat 3/206:45 pm -
1 stop25h 20m
Deal found 10/29![British Airways logo]()
$835
This Justfly.com deal was found by Cheapflights users on 10/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:40 pm -
1 stop32h 15m
Sat 12/124:55 pm -
1 stop27h 10m
Deal found 10/25![Multiple Airlines logo]()
$930
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/92:12 pm -
2 stops52h 48m
Sun 1/1711:10 am -
2 stops29h 32m
Deal found 10/25![TAP AIR PORTUGAL logo]()
$1,058
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/911:55 am -
1 stop16h 10m
Thu 3/255:00 am -
1 stop19h 15m
Deal found 10/29![United Airlines logo]()
$740
This Delta deal was found by Cheapflights users on 10/30. 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 4/131:15 pm -
2 stops20h 10m
Sun 4/185:00 am -
1 stop14h 15m
Deal found 10/30![Delta logo]()
$766
This KLM deal was found by Cheapflights users on 10/28. 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.
Mon 4/56:25 pm -
2 stops15h 05m
Mon 4/126:55 pm -
1 stop24h 20m
Deal found 10/28![KLM logo]()
$798
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/85:00 am -
2 stops22h 30m
Mon 3/1512:30 pm -
1 stop31h 30m
Deal found 10/26![United Airlines logo]()
$744
This Delta deal was found by Cheapflights users on 10/28. 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 1/2712:10 pm -
2 stops16h 25m
Sat 2/135:00 am -
1 stop14h 05m
Deal found 10/28![Delta logo]()
$766
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/179:50 am -
1 stop16h 20m
Fri 1/295:00 am -
1 stop19h 15m
Deal found 10/26![United Airlines logo]()
$762
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:06 pm -
2 stops36h 49m
Sat 12/124:55 pm -
1 stop27h 10m
Deal found 10/25![British Airways logo]()
$929
This Delta deal was found by Cheapflights users on 10/26. 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 1/87:10 pm -
1 stop20h 50m
Fri 1/155:55 am -
1 stop16h 55m
Deal found 10/26![Delta logo]()
$817
This Mytrip deal was found by Cheapflights users on 10/25. 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 12/59:41 am -
3 stops27h 54m
Mon 12/149:30 am -
3 stops31h 16m
Deal found 10/25![Multiple Airlines logo]()
$1,027
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:56 am -
1 stop17h 34m
Thu 12/1712:35 pm -
1 stop14h 48m
Deal found 10/28![United Airlines logo]()
$774
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:08 pm -
2 stops36h 47m
Sat 12/124:55 pm -
2 stops32h 45m
Deal found 10/27![British Airways logo]()
$941
This Delta deal was found by Cheapflights users on 10/29. 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 11/1812:30 pm -
2 stops20h 40m
Thu 11/265:30 am -
1 stop17h 20m
Deal found 10/29![Delta logo]()
$824
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/28. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/812:13 pm -
2 stops39h 07m
Mon 3/159:10 am -
2 stops30h 13m
Deal found 10/28![TAP AIR PORTUGAL logo]()
$1,119
This KLM deal was found by Cheapflights users on 10/29. 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 4/103:20 pm -
1 stop20h 35m
Sat 4/177:30 pm -
2 stops27h 05m
Deal found 10/29![KLM logo]()
$1,061
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/306:19 pm -
1 stop33h 01m
Sun 2/145:00 am -
2 stops24h 57m
Deal found 10/28![United Airlines logo]()
$804
This Delta deal was found by Cheapflights users on 10/28. 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 1/3012:18 pm -
2 stops17h 07m
Sun 2/145:00 am -
2 stops23h 48m
Deal found 10/28![Delta logo]()
$856
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1011:50 am -
2 stops21h 45m
Sat 4/177:35 pm -
2 stops44h 24m
Deal found 10/29![Multiple Airlines logo]()
$1,180
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1511:55 am -
1 stop15h 25m
Thu 1/215:00 am -
1 stop19h 15m
Deal found 10/25![United Airlines logo]()
$810
This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2111:30 am -
2 stops20h 20m
Sun 4/251:40 pm -
2 stops50h 26m
Deal found 10/30![TAP AIR PORTUGAL logo]()
$1,197
This Delta deal was found by Cheapflights users on 10/28. 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 11/187:10 pm -
1 stop16h 20m
Sun 12/65:00 am -
2 stops21h 17m
Deal found 10/28![Delta logo]()
$872
This KAYAK deal was found by Cheapflights users on 10/30. 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 4/2111:30 am -
1 stop13h 50m
Sun 4/255:30 pm -
1 stop28h 34m
Deal found 10/30![Multiple Airlines logo]()
$1,188
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:40 pm -
1 stop11h 30m
Sun 12/65:00 am -
1 stop15h 00m
Deal found 10/26![United Airlines logo]()
$857
This KLM deal was found by Cheapflights users on 10/28. 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.
Mon 3/83:25 pm -
2 stops36h 10m
Fri 3/126:00 pm -
1 stop25h 05m
Deal found 10/28![KLM logo]()
$1,320
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 3/88:00 am -
3 stops25h 35m
Fri 3/1212:05 pm -
3 stops26h 06m
Deal found 10/28![Multiple Airlines logo]()
$1,238
Last-minute flights from Houston to PortugalDiscover last-minute flight deals from Houston to Portugal. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Portugal. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/82:32 pm -
1 stop16h 28m
Tue 11/177:00 am -
2 stops43h 55m
Deal found 10/26![Multiple Airlines logo]()
$757
This Mytrip deal was found by Cheapflights users on 10/26. 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 11/132:32 pm -
2 stops22h 28m
Sun 11/2211:00 am -
2 stops27h 44m
Deal found 10/26![Multiple Airlines logo]()
$529
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Fri 11/132:32 pm -
1 stop16h 28m
Sat 11/216:00 am -
2 stops57h 24m
Deal found 10/28![Multiple Airlines logo]()
$674
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 11/132:32 pm -
1 stop16h 28m
Tue 11/177:00 am -
2 stops43h 55m
Deal found 10/27![Multiple Airlines logo]()
$689
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 11/132:32 pm -
1 stop16h 28m
Wed 11/184:10 pm -
2 stops35h 27m
Deal found 10/26![Multiple Airlines logo]()
$715
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 11/132:32 pm -
1 stop16h 28m
Thu 11/199:55 am -
1 stop28h 49m
Deal found 10/26![Multiple Airlines logo]()
$761
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:50 am -
1 stop13h 05m
Thu 12/35:00 am -
1 stop15h 00m
Deal found 10/28![Multiple Airlines logo]()
$748
This Expedia deal was found by Cheapflights users on 10/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:25 pm -
1 stop17h 15m
Wed 12/23:35 pm -
1 stop27h 35m
Deal found 10/28![KLM logo]()
$764
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/259:39 am -
1 stop21h 21m
Wed 12/26:25 pm -
2 stops45h 22m
Deal found 10/28![Multiple Airlines logo]()
$769
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:50 pm -
1 stop14h 15m
Wed 12/26:35 pm -
1 stop25h 30m
Deal found 10/28![British Airways logo]()
$774
This KLM deal was found by Cheapflights users on 10/29. 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.
Sun 11/297:10 pm -
1 stop20h 45m
Tue 12/155:00 am -
1 stop14h 05m
Deal found 10/29![KLM logo]()
$754
This Air France deal was found by Cheapflights users on 10/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/297:10 pm -
1 stop20h 45m
Tue 12/1511:15 am -
2 stops18h 43m
Deal found 10/29![Multiple Airlines logo]()
$760
One-way flights from Houston to PortugalSearch for one-way flight options from Houston to Portugal. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Houston to Portugal. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/259:14 pm -
2 stops26h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/2312:27 pm -
2 stops41h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/168:18 am -
2 stops39h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/152:32 pm -
1 stop16h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/262:48 pm -
2 stops37h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/244:37 pm -
2 stops34h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/309:39 am -
3 stops41h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$388
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/1612:19 pm -
2 stops18h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 11/610:40 pm -
3 stops59h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/208:04 pm -
2 stops29h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$556
This KLM deal was found by Cheapflights users on 10/26. 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.
Wed 12/307:10 pm -
1 stop20h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![KLM logo]()
$557
This Delta deal was found by Cheapflights users on 10/30. 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 11/167:10 pm -
1 stop20h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Delta logo]()
$612
Find flight deals from Houston to Portugal
Keep the following information in mind while searching for Houston to Portugal flight deals. Data was last updated October 30, 2026.
Round-trip from | $529 (Mytrip) |
|---|---|
One-way from | $302 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $920 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston to Portugal 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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Houston to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonFaro
IAH Houston George Bush Intcntl - FAO Faro
IAHFAO
Houston George Bush Intcntl
Mon 11/30
9:39 am-3:40 pm
2 stops24h 01m
Faro
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$427
HoustonFunchal
IAH Houston George Bush Intcntl - FNC Funchal Madeira
IAHFNC
Houston George Bush Intcntl
Fri 11/6
10:40 pm-4:25 pm
3 stops59h 45m
Funchal Madeira
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$435
HoustonPorto
IAH Houston George Bush Intcntl - OPO Porto
IAHOPO
Houston George Bush Intcntl
Mon 11/16
8:18 am-10:00 am
3 stops43h 42m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$443
HoustonLisbon
IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado
IAHLIS
Houston George Bush Intcntl
Mon 11/16
3:39 pm-5:35 am
1 stop31h 56m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$446
HoustonLisbon
IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado
IAHLIS
Houston George Bush Intcntl
Fri 11/20
12:27 pm-6:45 am
2 stops36h 18m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$526
HoustonLisbon
IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado
IAHLIS
Houston George Bush Intcntl
Sat 11/7
2:32 pm-10:10 am
2 stops37h 38m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$537
HoustonLajes
IAH Houston George Bush Intcntl - TER Lajes
IAHTER
Houston George Bush Intcntl
Sun 12/20
8:04 pm-6:20 am
2 stops29h 16m
Lajes
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$556
HoustonPorto
IAH Houston George Bush Intcntl - OPO Porto
IAHOPO
Houston George Bush Intcntl
Wed 12/30
7:10 pm-10:00 pm
1 stop20h 50m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$557
HoustonLisbon
IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado
IAHLIS
Houston George Bush Intcntl
Mon 11/16
3:50 pm-6:50 pm
1 stop21h 00m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$567
HoustonLisbon
IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado
IAHLIS
Houston George Bush Intcntl
Wed 11/18
3:50 pm-2:55 pm
1 stop17h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$567
Showing 1-10 of 55 resultsSorted by cheapest first
Best time to book a flight from Houston to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Houston with our price prediction graph.
IAH-OPO
IAH-LIS
IAH-FNC
IAH-PDL
HOU-FNC
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 Houston to Portugal
HO1-PT0
IAH-OPO
IAH-LIS
IAH-FNC
IAH-PDL
What is the cheapest month to book a flight from Houston to Portugal?
Currently, February is the cheapest month in which you can book a flight from Houston to Portugal (average of $707). Flying from Houston to Portugal in June is currently the most expensive (average of $1,347). 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.
How far ahead should I book a flight from Houston to Portugal?
The best time to book flights from Houston to Portugal is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated October 30, 2026.
Get a feel of what it's like to fly with KLM,Delta, andAir France from Houston to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.8
Overall
7.8
Food
7.4
Entertainment
7.2
Comfort
7.7
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Overall
7.8
Food
7.4
Entertainment
7.2
Comfort
7.7
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Overall
7.8
Food
7.4
Entertainment
7.2
Comfort
7.7
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Overall
7.8
Food
7.4
Entertainment
7.2
Comfort
7.7
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Overall
7.8
Food
7.4
Entertainment
7.2
Comfort
7.7
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Overall
7.8
Food
7.4
Entertainment
7.2
Comfort
7.7
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Related info for your journey
Find useful and relevant information for your journey from Houston to Portugal. 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 Houston to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Houston to Portugal by cabin class
Find flights from Houston to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Houston and Portugal flights
Browse other Houston and Portugal flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Houston to Portugal flights
Consider these flights traveling from Houston to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 8 airlines flying from Houston to Portugal
Discover the top 8 airlines that operate flights from Houston to Portugal. 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$476 | Average$926 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$484 | Average$928 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$512 | Average$875 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$529 | Average$1,148 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$561 | Average$834 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$585 | Average$1,089 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$621 | Average$822 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$730 | Average$893 | FlexibilityNo cancel fee | On-time67% |