$433+ Cheap flights from Portugal to Dallas
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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Find cheap flights from Portugal to Dallas 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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Cheapest flights from Portugal to DallasExplore the most affordable flight options available from Portugal to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Portugal to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Thu 10/299:55 am -
2 stops26h 23m
Wed 11/111:08 pm -
2 stops17h 52m
Deal found 9/16![Multiple Airlines logo]()
$759
This lol.travel deal was found by Cheapflights users on 9/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:30 am -
1 stop16h 30m
Tue 12/15:10 pm -
1 stop24h 15m
Deal found 9/19![Finnair logo]()
$793
This Mytrip deal was found by Cheapflights users on 9/20. 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.
Thu 11/57:40 am -
3 stops29h 38m
Wed 11/189:59 am -
3 stops23h 16m
Deal found 9/20![Multiple Airlines logo]()
$807
This Flighttix deal was found by Cheapflights users on 9/17. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:25 am -
1 stop17h 45m
Wed 11/410:40 am -
1 stop16h 25m
Deal found 9/17![Multiple Airlines logo]()
$808
This lol.travel deal was found by Cheapflights users on 9/17. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/510:40 am -
1 stop15h 25m
Wed 12/93:45 pm -
1 stop14h 20m
Deal found 9/17![British Airways logo]()
$810
This Mytrip deal was found by Cheapflights users on 9/19. 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 11/37:40 am -
3 stops29h 24m
Tue 11/109:59 am -
3 stops23h 16m
Deal found 9/19![Multiple Airlines logo]()
$812
This Delta deal was found by Cheapflights users on 9/19. 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 11/211:15 am -
2 stops19h 07m
Mon 11/911:46 am -
2 stops16h 49m
Deal found 9/19![Delta logo]()
$814
This Delta deal was found by Cheapflights users on 9/19. 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 10/15:55 am -
1 stop13h 40m
Mon 10/512:05 pm -
2 stops21h 20m
Deal found 9/19![Delta logo]()
$815
This Mytrip deal was found by Cheapflights users on 9/17. 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 11/14:45 pm -
2 stops25h 34m
Sun 11/88:13 am -
2 stops22h 47m
Deal found 9/17![Multiple Airlines logo]()
$816
This Delta deal was found by Cheapflights users on 9/20. 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 11/45:55 am -
1 stop16h 55m
Wed 11/117:00 pm -
1 stop21h 00m
Deal found 9/20![Delta logo]()
$816
This British Airways deal was found by Cheapflights users on 9/20. 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.
Wed 12/98:45 pm -
1 stop14h 45m
Wed 1/69:15 pm -
1 stop14h 30m
Deal found 9/20![Multiple Airlines logo]()
$817
This Mytrip deal was found by Cheapflights users on 9/19. 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 11/27:35 am -
3 stops34h 38m
Mon 11/98:38 am -
3 stops28h 42m
Deal found 9/19![Multiple Airlines logo]()
$817
Best flights from Portugal to DallasDiscover carefully curated flight deals from Portugal to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Portugal to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This Delta deal was found by Cheapflights users on 9/19. 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 11/211:15 am -
2 stops19h 07m
Mon 11/911:46 am -
2 stops16h 49m
Deal found 9/19![Delta logo]()
$814
This British Airways deal was found by Cheapflights users on 9/20. 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.
Wed 12/98:45 pm -
1 stop14h 45m
Wed 1/69:15 pm -
1 stop14h 30m
Deal found 9/20![Multiple Airlines logo]()
$817
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 11/128:20 am -
2 stops19h 30m
Sun 11/1510:29 am -
2 stops15h 11m
Deal found 9/17![American Airlines logo]()
$832
This Iberia deal was found by Cheapflights users on 9/16. 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.
Thu 2/48:20 am -
2 stops17h 39m
Sun 2/710:26 am -
2 stops15h 14m
Deal found 9/16![Iberia logo]()
$877
This Virgin Atlantic deal was found by Cheapflights users on 9/18. 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 11/510:00 am -
2 stops17h 58m
Wed 11/1811:00 am -
2 stops16h 00m
Deal found 9/18![Virgin Atlantic logo]()
$1,178
This KLM deal was found by Cheapflights users on 9/19. 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 11/2010:55 am -
2 stops17h 45m
Mon 11/2310:28 am -
2 stops15h 32m
Deal found 9/19![KLM logo]()
$1,277
This Air France deal was found by Cheapflights users on 9/20. 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.
Wed 12/1611:15 am -
2 stops17h 28m
Mon 12/2810:14 am -
2 stops15h 46m
Deal found 9/20![Air France logo]()
$1,621
This Delta deal was found by Cheapflights users on 9/20. 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 11/45:00 am -
2 stops22h 02m
Wed 11/117:10 am -
2 stops21h 25m
Deal found 9/20![Delta logo]()
$814
This Mytrip deal was found by Cheapflights users on 9/19. 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 11/27:35 am -
3 stops34h 38m
Mon 11/98:38 am -
3 stops28h 42m
Deal found 9/19![Multiple Airlines logo]()
$817
This Scandinavian Airlines deal was found by Cheapflights users on 9/20. 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.
Wed 12/97:05 am -
2 stops21h 38m
Wed 1/62:15 pm -
3 stops25h 45m
Deal found 9/20![Scandinavian Airlines logo]()
$1,763
This Delta deal was found by Cheapflights users on 9/19. 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 10/15:55 am -
1 stop13h 40m
Mon 10/512:05 pm -
2 stops21h 20m
Deal found 9/19![Delta logo]()
$815
This British Airways deal was found by Cheapflights users on 9/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/16:30 am -
1 stop16h 10m
Tue 3/307:40 pm -
1 stop16h 15m
Deal found 9/17![Multiple Airlines logo]()
$819
This Delta deal was found by Cheapflights users on 9/16. 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 11/125:00 am -
2 stops22h 52m
Sun 11/156:25 am -
2 stops22h 10m
Deal found 9/16![Delta logo]()
$818
This Delta deal was found by Cheapflights users on 9/16. 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.
Fri 11/135:00 am -
2 stops18h 49m
Sun 11/157:00 am -
2 stops21h 35m
Deal found 9/16![Delta logo]()
$818
This KLM deal was found by Cheapflights users on 9/20. 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 11/255:30 am -
2 stops18h 36m
Tue 12/111:00 am -
2 stops15h 00m
Deal found 9/20![Multiple Airlines logo]()
$908
This Delta deal was found by Cheapflights users on 9/18. 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.
Wed 11/255:00 am -
2 stops21h 56m
Tue 12/17:00 pm -
1 stop14h 10m
Deal found 9/18![Delta logo]()
$821
This Delta deal was found by Cheapflights users on 9/18. 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.
Thu 11/55:00 am -
2 stops21h 58m
Wed 11/1812:23 pm -
2 stops20h 47m
Deal found 9/18![Delta logo]()
$821
This Air France deal was found by Cheapflights users on 9/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/111:15 am -
2 stops17h 17m
Tue 3/3010:20 am -
2 stops15h 40m
Deal found 9/16![Multiple Airlines logo]()
$1,072
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:45 pm -
2 stops15h 54m
Wed 11/46:30 am -
2 stops19h 30m
Deal found 9/16![Virgin Atlantic logo]()
$1,439
This Delta deal was found by Cheapflights users on 9/19. 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 11/35:00 am -
2 stops23h 05m
Tue 11/1012:23 pm -
2 stops20h 47m
Deal found 9/19![Delta logo]()
$822
This Delta deal was found by Cheapflights users on 9/16. 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.
Mon 3/15:00 am -
2 stops22h 07m
Tue 3/307:00 am -
2 stops19h 50m
Deal found 9/16![Delta logo]()
$826
Last-minute flights from Portugal to DallasDiscover last-minute flight deals from Portugal to Dallas. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to Dallas. Data last updated September 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/16. 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 9/245:00 am -
2 stops19h 54m
Mon 9/2812:20 pm -
2 stops21h 05m
Deal found 9/16![Delta logo]()
$818
This Iberia deal was found by Cheapflights users on 9/17. 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.
Thu 9/248:40 pm -
1 stop29h 30m
Mon 9/282:10 pm -
2 stops15h 35m
Deal found 9/17![Iberia logo]()
$875
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 9/248:20 am -
1 stop17h 50m
Mon 9/284:40 pm -
1 stop33h 00m
Deal found 9/17![American Airlines logo]()
$960
This Delta deal was found by Cheapflights users on 9/18. 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.
Thu 10/15:55 am -
1 stop13h 40m
Mon 10/512:05 pm -
2 stops21h 20m
Deal found 9/18![Delta logo]()
$815
This Flighttix deal was found by Cheapflights users on 9/17. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:25 am -
1 stop17h 45m
Wed 11/410:40 am -
1 stop16h 25m
Deal found 9/17![Multiple Airlines logo]()
$808
This Flighttix deal was found by Cheapflights users on 9/16. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:35 am -
1 stop19h 35m
Wed 11/42:45 pm -
1 stop12h 20m
Deal found 9/16![Iberia logo]()
$820
This Delta deal was found by Cheapflights users on 9/17. 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.
Thu 10/2211:55 am -
2 stops18h 27m
Wed 11/47:00 pm -
1 stop16h 30m
Deal found 9/17![Delta logo]()
$825
This Expedia deal was found by Cheapflights users on 9/19. 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.
Thu 10/225:35 am -
2 stops24h 47m
Wed 11/47:00 pm -
1 stop16h 30m
Deal found 9/19![Air France logo]()
$828
This Orbitz deal was found by Cheapflights users on 9/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:35 am -
2 stops21h 15m
Tue 10/272:50 pm -
1 stop20h 15m
Deal found 9/19![Iberia logo]()
$844
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Thu 10/299:55 am -
2 stops26h 23m
Wed 11/111:08 pm -
2 stops17h 52m
Deal found 9/16![Multiple Airlines logo]()
$759
This Delta deal was found by Cheapflights users on 9/16. 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 10/295:30 am -
2 stops21h 35m
Wed 11/117:00 pm -
1 stop16h 30m
Deal found 9/16![Delta logo]()
$832
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:05 am -
1 stop17h 16m
Wed 11/119:15 pm -
1 stop18h 40m
Deal found 9/16![American Airlines logo]()
$840
One-way flights from Portugal to DallasSearch for one-way flight options from Portugal to Dallas. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Portugal to Dallas. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 1/127:00 pm -
3 stops49h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Mon 12/143:35 pm -
3 stops53h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Tue 12/1510:35 am -
2 stops35h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 11/59:05 pm -
3 stops50h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 12/69:05 pm -
3 stops57h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 11/242:05 pm -
3 stops52h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 11/46:25 am -
3 stops40h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Sat 10/249:50 pm -
2 stops40h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$555
This KLM deal was found by Cheapflights users on 9/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:00 am -
2 stops18h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![KLM logo]()
$615
This Air France deal was found by Cheapflights users on 9/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:55 am -
1 stop16h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Air France logo]()
$616
This Air France deal was found by Cheapflights users on 9/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:55 am -
2 stops17h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Air France logo]()
$621
This Iberia deal was found by Cheapflights users on 9/17. 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.
Sun 11/158:20 am -
2 stops20h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Iberia logo]()
$624
Find flight deals from Portugal to Dallas
Keep the following information in mind while searching for Portugal to Dallas flight deals. Data was last updated September 20, 2026.
Round-trip from | $759 (Mytrip) |
|---|---|
One-way from | $433 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $947 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portugal to Dallas 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 September 20, 2026.
Use the filters below to find and compare flights from Portugal to Dallas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LisbonDallas
LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth
LISDFW
Lisbon Humberto Delgado
Tue 12/22
6:30 am-5:00 pm
1 stop16h 30m
Dallas/Fort Worth
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$614
LisbonDallas
LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth
LISDFW
Lisbon Humberto Delgado
Wed 12/16
8:45 pm-3:05 pm
1 stop24h 20m
Dallas/Fort Worth
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$614
PortoDallas
OPO Porto - DFW Dallas/Fort Worth
OPODFW
Porto
Wed 11/18
5:00 am-5:24 pm
2 stops18h 24m
Dallas/Fort Worth
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$615
PortoDallas
OPO Porto - DFW Dallas/Fort Worth
OPODFW
Porto
Mon 11/16
6:25 am-4:50 pm
1 stop16h 25m
Dallas/Fort Worth
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$616
PortoDallas
OPO Porto - DFW Dallas/Fort Worth
OPODFW
Porto
Tue 11/17
5:55 am-4:50 pm
1 stop16h 55m
Dallas/Fort Worth
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$616
LisbonDallas
LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth
LISDFW
Lisbon Humberto Delgado
Tue 11/24
6:30 am-5:00 pm
1 stop16h 30m
Dallas/Fort Worth
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$618
LisbonDallas
LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth
LISDFW
Lisbon Humberto Delgado
Wed 1/27
5:00 am-9:07 pm
2 stops22h 07m
Dallas/Fort Worth
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$620
LisbonDallas
LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth
LISDFW
Lisbon Humberto Delgado
Wed 12/16
5:00 am-11:00 pm
2 stops24h 00m
Dallas/Fort Worth
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$621
PortoDallas
OPO Porto - DFW Dallas/Fort Worth
OPODFW
Porto
Sun 11/15
8:20 am-10:46 pm
2 stops20h 26m
Dallas/Fort Worth
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$624
LisbonDallas
LIS Lisbon Humberto Delgado - DAL Dallas Love Field
LISDAL
Lisbon Humberto Delgado
Tue 12/15
5:30 am-6:06 pm
2 stops18h 36m
Dallas Love Field
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$631
Showing 1-10 of 45 resultsSorted by cheapest first
Best time to book a flight from Portugal to Dallas
Have a flexible travel schedule? Discover the best time to fly to Dallas from Portugal with our price prediction graph.
LIS-DFW
OPO-DFW
LIS-DAL
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 Dallas
PT0-A78
LIS-DFW
OPO-DFW
LIS-DAL
What is the cheapest month to book a flight from Portugal to Dallas?
Currently, November is the cheapest month in which you can book a flight from Portugal to Dallas (average of $785). Flying from Portugal to Dallas in July is currently the most expensive (average of $1,289). 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 Dallas
Get insights into the airlines that provide service to Dallas. 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 Dallas. Reviews last updated September 20, 2026.
Read through reviews of airlines operating flights from Portugal to Dallas, such as Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.0
Crew
7.7
Food
6.4
Boarding
7.2
Comfort
6.8
Entertainment
6.6
Reviews
1 / 20
2.0
MediocreLaba,Feb 2026
DEN - DFW
Overall
7.0
Crew
7.7
Food
6.4
Boarding
7.2
Comfort
6.8
Entertainment
6.6
Reviews
1 / 20
2.0
MediocreLaba,Feb 2026
DEN - DFW
Related info for your journey
Find useful and relevant information for your journey from Portugal to Dallas. 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 Dallas
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Complete your trip
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Search flights from Portugal to Dallas by cabin class
Find flights from Portugal to Dallas, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portugal and Dallas flights
Browse other Portugal and Dallas flight options. Last updated on September 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portugal to Dallas flights
Consider these flights traveling from Portugal to Dallas.
Top airline flying from Portugal to Dallas
Discover the top airline that operate flights from Portugal to Dallas. 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 September 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$838 | Average$1,075 | FlexibilityNo cancel fee | On-time77% |