$324+ Cheap flights from Texas to Portugal
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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Find cheap flights from Texas to Portugal with Cheapflights
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Cheapest flights from Texas to PortugalExplore the most affordable flight options available from Texas to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
Explore the most affordable flight options available from Texas to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
This Gotogate deal was found by Cheapflights users on 5/3. 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 10/2712:20 pm
DFW
- LIS
1 stop16h 30m
Multiple Airlines
Fri 11/65:00 am
LIS
- DFW
1 stop15h 25m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$704
This deal was found by Cheapflights users on 5/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:25 pm
DFW
- LIS
1 stop14h 55m
Air Canada
Thu 10/2211:25 am
LIS
- DFW
1 stop16h 09m
Air Canada
Deal found 5/2![Air Canada logo]()
$710
This KLM deal was found by Cheapflights users on 5/4. 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 11/164:05 pm
IAH
- OPO
1 stop12h 25m
KLM
Mon 11/234:10 pm
OPO
- IAH
1 stop27h 20m
KLM
Deal found 5/4![KLM logo]()
$710
This Cheapflightsfares deal was found by Cheapflights users on 5/3. 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 11/49:15 pm
DFW
- LIS
1 stop14h 25m
Multiple Airlines
Wed 11/116:30 am
LIS
- DFW
1 stop16h 30m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$712
This Air France deal was found by Cheapflights users on 5/4. 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.
Mon 11/161:15 pm
IAH
- OPO
2 stops15h 15m
Multiple Airlines
Mon 11/2311:15 am
OPO
- IAH
1 stop32h 15m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$714
This deal was found by Cheapflights users on 5/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:25 pm
DFW
- LIS
1 stop14h 55m
Air Canada
Mon 10/1911:25 am
LIS
- DFW
1 stop16h 09m
Air Canada
Deal found 5/2![Air Canada logo]()
$718
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 11/48:55 pm
DFW
- LIS
1 stop14h 45m
American Airlines
Wed 11/116:30 am
LIS
- DFW
1 stop16h 30m
American Airlines
Deal found 5/1![American Airlines logo]()
$719
This United Airlines deal was found by Cheapflights users on 5/1. 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 11/2312:20 pm
DFW
- LIS
1 stop15h 30m
United Airlines
Fri 11/275:00 am
LIS
- DFW
1 stop15h 25m
United Airlines
Deal found 5/1![United Airlines logo]()
$721
This United Airlines deal was found by Cheapflights users on 5/6. 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 11/47:00 am
DFW
- LIS
2 stops19h 10m
United Airlines
Wed 11/115:00 am
LIS
- DFW
1 stop15h 25m
United Airlines
Deal found 5/6![United Airlines logo]()
$722
This Gotogate deal was found by Cheapflights users on 5/3. 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 11/187:05 am
DFW
- LIS
1 stop21h 55m
Multiple Airlines
Mon 11/2312:25 pm
LIS
- DFW
1 stop32h 00m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$728
This United Airlines deal was found by Cheapflights users on 5/5. 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 10/315:35 pm
DFW
- LIS
1 stop33h 35m
United Airlines
Fri 11/61:00 pm
LIS
- DFW
1 stop31h 57m
United Airlines
Deal found 5/5![United Airlines logo]()
$730
This United Airlines deal was found by Cheapflights users on 5/1. 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 11/222:15 pm
DFW
- LIS
2 stops38h 00m
United Airlines
Fri 11/271:00 pm
LIS
- DFW
1 stop31h 57m
United Airlines
Deal found 5/1![United Airlines logo]()
$736
Best flights from Texas to PortugalDiscover carefully curated flight deals from Texas to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
Discover carefully curated flight deals from Texas to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
This KLM deal was found by Cheapflights users on 5/2. 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 11/112:55 pm
IAH
- OPO
1 stop14h 10m
KLM
Sun 11/1511:15 am
OPO
- IAH
1 stop32h 15m
KLM
Deal found 5/2![KLM logo]()
$760
This Delta deal was found by Cheapflights users on 5/1. 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 10/1410:20 am
DAL
- LIS
2 stops18h 25m
Delta
Thu 10/225:00 am
LIS
- DAL
2 stops21h 36m
Delta
Deal found 5/1![Delta logo]()
$781
This Turkish Airlines deal was found by Cheapflights users on 5/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:30 pm
DFW
- LIS
1 stop30h 20m
Turkish Airlines
Mon 9/2110:55 am
LIS
- DFW
2 stops41h 31m
Turkish Airlines
Deal found 5/5![Turkish Airlines logo]()
$814
This United Airlines deal was found by Cheapflights users on 5/3. 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 10/167:20 am
IAH
- OPO
2 stops17h 50m
United Airlines
Wed 10/2112:45 pm
OPO
- IAH
2 stops32h 06m
United Airlines
Deal found 5/3![United Airlines logo]()
$816
This KLM deal was found by Cheapflights users on 5/1. 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 10/281:00 pm
HOU
- LIS
2 stops14h 00m
Multiple Airlines
Tue 11/311:15 am
LIS
- HOU
2 stops16h 28m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$887
This American Airlines deal was found by Cheapflights users on 5/2. 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.
Tue 9/16:14 pm
HOU
- OPO
2 stops15h 46m
American Airlines
Thu 9/2412:25 pm
OPO
- HOU
2 stops17h 28m
American Airlines
Deal found 5/2![American Airlines logo]()
$916
This Virgin Atlantic deal was found by Cheapflights users on 5/4. 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.
Fri 7/31:10 pm
HOU
- LIS
2 stops15h 35m
Virgin Atlantic
Mon 7/1310:00 am
LIS
- HOU
2 stops17h 51m
Virgin Atlantic
Deal found 5/4![Virgin Atlantic logo]()
$1,141
This Scandinavian Airlines deal was found by Cheapflights users on 5/5. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:12 pm
DAL
- LIS
3 stops27h 53m
Scandinavian Airlines
Mon 8/247:15 am
LIS
- DAL
2 stops21h 16m
Scandinavian Airlines
Deal found 5/5![Scandinavian Airlines logo]()
$1,439
This Delta deal was found by Cheapflights users on 5/6. 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 10/266:00 am
HOU
- LIS
2 stops21h 00m
Delta
Tue 11/35:30 am
LIS
- HOU
2 stops22h 13m
Delta
Deal found 5/6![Delta logo]()
$792
This United Airlines deal was found by Cheapflights users on 5/4. 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 8/172:15 pm
DFW
- LIS
2 stops14h 15m
United Airlines
Wed 9/210:25 am
LIS
- DFW
3 stops18h 01m
United Airlines
Deal found 5/4![United Airlines logo]()
$835
This Delta deal was found by Cheapflights users on 5/6. 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 10/71:40 pm
AUS
- OPO
2 stops19h 45m
Delta
Fri 10/165:55 am
OPO
- AUS
2 stops23h 02m
Delta
Deal found 5/6![Delta logo]()
$815
This Turkish Airlines deal was found by Cheapflights users on 5/2. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:30 pm
IAH
- LIS
1 stop19h 05m
Turkish Airlines
Thu 9/105:55 am
LIS
- IAH
1 stop19h 15m
Turkish Airlines
Deal found 5/2![Turkish Airlines logo]()
$898
This KLM deal was found by Cheapflights users on 5/2. 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 8/33:55 pm
IAH
- OPO
1 stop17h 30m
KLM
Tue 8/119:25 am
OPO
- IAH
1 stop34h 15m
KLM
Deal found 5/2![KLM logo]()
$915
This American Airlines deal was found by Cheapflights users on 5/2. 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.
Tue 9/16:14 pm
HOU
- OPO
2 stops15h 46m
American Airlines
Wed 9/2312:25 pm
OPO
- HOU
2 stops17h 28m
American Airlines
Deal found 5/2![American Airlines logo]()
$916
This KLM deal was found by Cheapflights users on 5/1. 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 8/262:55 pm
DAL
- OPO
2 stops13h 35m
Multiple Airlines
Wed 9/212:40 pm
OPO
- DAL
2 stops15h 47m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$947
This United Airlines deal was found by Cheapflights users on 5/2. 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 8/310:00 am
IAH
- OPO
1 stop15h 00m
United Airlines
Tue 8/1112:15 pm
OPO
- IAH
2 stops31h 25m
United Airlines
Deal found 5/2![United Airlines logo]()
$891
This Turkish Airlines deal was found by Cheapflights users on 5/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:30 pm
DFW
- OPO
1 stop36h 40m
Turkish Airlines
Sat 10/3110:55 am
OPO
- DFW
1 stop38h 40m
Turkish Airlines
Deal found 5/5![Turkish Airlines logo]()
$912
This Delta deal was found by Cheapflights users on 5/5. 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 10/133:55 pm
IAH
- LIS
1 stop13h 20m
Delta
Fri 10/235:00 am
LIS
- IAH
1 stop14h 15m
Delta
Deal found 5/5![Delta logo]()
$837
This KLM deal was found by Cheapflights users on 5/5. 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.
Thu 10/1512:55 pm
IAH
- LIS
1 stop13h 05m
KLM
Sat 10/2411:55 am
LIS
- IAH
1 stop32h 35m
KLM
Deal found 5/5![KLM logo]()
$947
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Fri 9/46:14 pm
HOU
- OPO
2 stops15h 46m
American Airlines
Fri 9/1112:25 pm
OPO
- HOU
2 stops17h 28m
American Airlines
Deal found 5/5![American Airlines logo]()
$976
This United Airlines deal was found by Cheapflights users on 5/2. 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 9/110:00 am
IAH
- OPO
1 stop15h 00m
United Airlines
Thu 9/2411:50 am
OPO
- IAH
2 stops31h 30m
United Airlines
Deal found 5/2![United Airlines logo]()
$891
This KLM deal was found by Cheapflights users on 5/1. 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.
Fri 9/111:25 pm
DFW
- OPO
2 stops15h 05m
Multiple Airlines
Fri 9/185:55 am
OPO
- DFW
2 stops16h 54m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,018
This Turkish Airlines deal was found by Cheapflights users on 5/2. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:30 pm
IAH
- LIS
1 stop19h 05m
Turkish Airlines
Mon 9/145:55 am
LIS
- IAH
1 stop19h 15m
Turkish Airlines
Deal found 5/2![Turkish Airlines logo]()
$938
This Virgin Atlantic deal was found by Cheapflights users on 5/2. 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.
Sat 9/510:05 am
HOU
- LIS
2 stops18h 40m
Virgin Atlantic
Sat 9/1210:00 am
LIS
- HOU
2 stops17h 35m
Virgin Atlantic
Deal found 5/2![Virgin Atlantic logo]()
$1,165
This KLM deal was found by Cheapflights users on 5/4. 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.
Thu 10/156:05 pm
AUS
- LIS
1 stop22h 45m
KLM
Sun 10/253:30 pm
LIS
- AUS
1 stop30h 40m
KLM
Deal found 5/4![KLM logo]()
$971
This Delta deal was found by Cheapflights users on 5/5. 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 8/175:34 am
IAH
- OPO
2 stops20h 56m
Delta
Sun 8/235:00 am
OPO
- IAH
2 stops18h 40m
Delta
Deal found 5/5![Delta logo]()
$896
This United Airlines deal was found by Cheapflights users on 5/1. 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 7/207:20 am
DFW
- LIS
2 stops20h 00m
United Airlines
Thu 7/301:00 pm
LIS
- DFW
2 stops33h 12m
United Airlines
Deal found 5/1![United Airlines logo]()
$932
This KLM deal was found by Cheapflights users on 5/5. 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 6/2212:19 pm
DFW
- OPO
2 stops16h 11m
Multiple Airlines
Mon 9/284:25 pm
OPO
- DFW
1 stop27h 10m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,042
This KLM deal was found by Cheapflights users on 5/2. 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 7/1311:15 am
AUS
- OPO
1 stop17h 15m
KLM
Mon 7/2012:15 pm
OPO
- AUS
1 stop14h 38m
KLM
Deal found 5/2![KLM logo]()
$998
This Delta deal was found by Cheapflights users on 5/3. 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 9/810:05 am
HOU
- OPO
2 stops23h 20m
Delta
Tue 9/225:00 am
OPO
- HOU
2 stops22h 35m
Delta
Deal found 5/3![Delta logo]()
$932
Last-minute flights from Texas to PortugalDiscover last-minute flight deals from Texas to Portugal. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Texas to Portugal. Data last updated May 6, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 5/2. 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 5/58:00 am
DFW
- LIS
1 stop18h 00m
Multiple Airlines
Mon 5/116:50 pm
LIS
- DFW
1 stop24h 45m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$912
This Gotogate deal was found by Cheapflights users on 5/1. 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 5/612:25 pm
DFW
- LIS
1 stop16h 40m
Multiple Airlines
Fri 5/155:05 am
LIS
- DFW
1 stop15h 10m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$893
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/67:00 am
DFW
- LIS
2 stops19h 20m
United Airlines
Sun 5/105:05 am
LIS
- DFW
1 stop15h 10m
United Airlines
Deal found 5/6![United Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/67:00 am
DFW
- LIS
2 stops19h 20m
United Airlines
Wed 5/135:05 am
LIS
- DFW
1 stop15h 10m
United Airlines
Deal found 5/6![United Airlines logo]()
$904
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/67:00 am
DFW
- LIS
2 stops19h 20m
United Airlines
Fri 5/1511:25 am
LIS
- DFW
2 stops31h 02m
United Airlines
Deal found 5/1![United Airlines logo]()
$905
This Delta deal was found by Cheapflights users on 5/2. 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 5/67:40 am
DFW
- LIS
2 stops19h 10m
Delta
Tue 5/125:00 am
LIS
- DFW
2 stops18h 42m
Delta
Deal found 5/2![Delta logo]()
$919
This KAYAK deal was found by Cheapflights users on 5/6. 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 5/612:26 pm
DFW
- LIS
2 stops28h 19m
Lufthansa
Sun 5/106:15 am
LIS
- DFW
2 stops22h 38m
Lufthansa
Deal found 5/6![Lufthansa logo]()
$920
This Delta deal was found by Cheapflights users on 5/6. 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 5/66:05 am
DAL
- LIS
2 stops19h 55m
Delta
Wed 5/1311:55 am
LIS
- DAL
2 stops18h 01m
Delta
Deal found 5/6![Delta logo]()
$920
This KAYAK deal was found by Cheapflights users on 5/6. 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 5/612:26 pm
DFW
- LIS
2 stops28h 19m
Lufthansa
Tue 5/125:05 am
LIS
- DFW
2 stops23h 48m
Lufthansa
Deal found 5/6![Lufthansa logo]()
$922
This KAYAK deal was found by Cheapflights users on 5/6. 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 5/65:33 pm
DFW
- LIS
2 stops23h 12m
Lufthansa
Thu 5/146:15 am
LIS
- DFW
2 stops22h 39m
Lufthansa
Deal found 5/6![Lufthansa logo]()
$923
This Delta deal was found by Cheapflights users on 5/6. 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 5/63:45 pm
DFW
- LIS
1 stop13h 30m
Delta
Mon 5/1112:15 pm
LIS
- DFW
1 stop31h 20m
Delta
Deal found 5/6![Delta logo]()
$925
This United Airlines deal was found by Cheapflights users on 5/2. 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 5/62:31 pm
DFW
- LIS
2 stops13h 59m
United Airlines
Tue 5/1210:25 am
LIS
- DFW
2 stops16h 08m
United Airlines
Deal found 5/2![United Airlines logo]()
$930
One-way flights from Texas to PortugalSearch for one-way flight options from Texas to Portugal. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
Search for one-way flight options from Texas to Portugal. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/4. 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.
Tue 10/139:45 pm
DFW
- LIS
1 stop14h 10m
British Airways
Deal found 5/4![British Airways logo]()
$324
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/1312:00 pm
DFW
- LIS
2 stops16h 30m
United Airlines
Deal found 5/4![United Airlines logo]()
$337
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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.
Tue 10/274:50 pm
IAH
- LIS
1 stop16h 55m
British Airways
Deal found 5/2![British Airways logo]()
$349
This Cheapflightsfares deal was found by Cheapflights users on 5/3. 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.
Mon 11/26:55 pm
AUS
- LIS
1 stop18h 00m
British Airways
Deal found 5/3![British Airways logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/2710:02 am
DFW
- LIS
2 stops28h 08m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$361
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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.
Mon 8/37:40 pm
DFW
- LIS
1 stop21h 30m
British Airways
Deal found 5/1![British Airways logo]()
$366
This CheapOair deal was found by Cheapflights users on 5/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:59 pm
DFW
- LIS
2 stops18h 26m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$370
This British Airways deal was found by Cheapflights users on 5/1. 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.
Tue 8/47:40 pm
DFW
- LIS
1 stop13h 55m
British Airways
Deal found 5/1![British Airways logo]()
$374
This Expedia deal was found by Cheapflights users on 5/2. 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.
Tue 8/1810:25 am
AUS
- OPO
1 stop14h 35m
Air Canada
Deal found 5/2![Air Canada logo]()
$375
This KLM deal was found by Cheapflights users on 5/1. 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 8/37:35 am
AUS
- OPO
1 stop20h 55m
KLM
Deal found 5/1![KLM logo]()
$376
This Mytrip deal was found by Cheapflights users on 5/1. 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 8/312:00 pm
DFW
- LIS
2 stops15h 20m
Air Canada
Deal found 5/1![Air Canada logo]()
$379
This United Airlines deal was found by Cheapflights users on 5/1. 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 8/32:18 pm
AUS
- OPO
3 stops34h 42m
United Airlines
Deal found 5/1![United Airlines logo]()
$380
Find flight deals from Texas to Portugal
Keep the following information in mind while searching for Texas to Portugal flight deals. Data was last updated May 6, 2026.
Round-trip from | $749 (KLM) |
|---|---|
One-way from | $324 (Cheapflightsfares) |
Popular in | June |
Cheapest in | January |
Average price | $1,175 |
Cheapflights Fare Finder
Customize your flight search to find flights from Texas 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 2,558,603 searches. Data last updated May 6, 2026.
Use the filters below to find and compare flights from Texas to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
Sun 11/1
12:55 pm-9:05 am
1 stop14h 10m
Porto
Sun 11/15
11:15 am-1:30 pm
1 stop32h 15m
$760
DallasLisbon
DAL - LIS
DALLIS
Dallas Love Field
Wed 10/14
10:20 am-10:45 am
2 stops18h 25m
Lisbon Humberto Delgado
Thu 10/22
5:00 am-8:36 pm
2 stops21h 36m
$781
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Mon 10/26
6:00 am-8:00 am
2 stops21h 00m
Lisbon Humberto Delgado
Tue 11/3
5:30 am-9:43 pm
2 stops22h 13m
$792
DallasLisbon
DFW - LIS
DFWLIS
Dallas/Fort Worth
Tue 9/15
9:30 pm-9:50 am
1 stop30h 20m
Lisbon Humberto Delgado
Mon 9/21
10:55 am-10:26 pm
2 stops41h 31m
$814
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Wed 10/7
1:40 pm-3:25 pm
2 stops19h 45m
Porto
Fri 10/16
5:55 am-10:57 pm
2 stops23h 02m
$815
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
Fri 10/16
7:20 am-7:10 am
2 stops17h 50m
Porto
Wed 10/21
12:45 pm-2:51 pm
2 stops32h 06m
$816
DallasLisbon
DFW - LIS
DFWLIS
Dallas/Fort Worth
Mon 8/17
2:15 pm-10:30 am
2 stops14h 15m
Lisbon Humberto Delgado
Wed 9/2
10:25 am-10:26 pm
3 stops18h 01m
$835
Quickest round-trip
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Tue 10/13
3:55 pm-11:15 am
1 stop13h 20m
Lisbon Humberto Delgado
Fri 10/23
5:00 am-1:15 pm
1 stop14h 15m
$837
HoustonLisbon
HOU - LIS
HOULIS
Houston Hobby
Wed 10/28
1:00 pm-8:00 am
2 stops14h 00m
Lisbon Humberto Delgado
Tue 11/3
11:15 am-9:43 pm
2 stops16h 28m
$887
HoustonPorto
IAH - OPO
IAHOPO
Houston George Bush Intcntl
Mon 8/3
10:00 am-7:00 am
1 stop15h 00m
Porto
Tue 8/11
12:15 pm-1:40 pm
2 stops31h 25m
$891
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Texas to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Texas with our price prediction graph.
DFW-LIS
IAH-LIS
AUS-LIS
AUS-OPO
DAL-LIS
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 Texas to Portugal
USTX-PT0
DFW-LIS
IAH-LIS
AUS-LIS
AUS-OPO
How far ahead should I book a flight from Texas to Portugal?
The best time to book flights from Texas to Portugal is 21 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.
What is the cheapest month to book a flight from Texas to Portugal?
Currently, January is the cheapest month in which you can book a flight from Texas to Portugal (average of $310). Flying from Texas to Portugal in June is currently the most expensive (average of $1,403). 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.
Related info for your journey
Find useful and relevant information for your journey from Texas to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
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Other flight options
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Top destinations
Top regions
Alternative routes for Texas 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 Texas to Portugal by cabin class
Find flights from Texas to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Texas and Portugal flights
Browse other Texas and Portugal flight options. Last updated on May 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Portugal
Find the right flight back to Texas after your stay in Portugal
Texas to Portugal flights
Consider these flights traveling from Texas to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from Texas to Portugal
Discover the top 10 airlines that operate flights from Texas 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 2,558,603 searches. Data last updated May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$395 | Average$900 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$445 | Average$820 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$466 | Average$918 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$476 | Average$878 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$494 | Average$805 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$497 | Average$889 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$509 | Average$782 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$516 | Average$912 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$518 | Average$788 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$529 | Average$992 | FlexibilityNo cancel fee | On-time69% |