$217+ Cheap flights from Dallas 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Mar 7 — Mar 141
1 adult, Economy
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Cheapest flights from Dallas to PortugalExplore the most affordable flight options available from Dallas to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
Explore the most affordable flight options available from Dallas to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/249:51 am
DFW
- LIS
2 stops19h 44m
Delta
Fri 4/175:35 am
LIS
- DFW
2 stops23h 49m
Delta
Deal found 2/4![Delta logo]()
$515
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 3/237:25 am
DFW
- LIS
2 stops19h 45m
United Airlines
Tue 3/317:25 am
LIS
- DFW
1 stop36h 50m
United Airlines
Deal found 2/3![United Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:45 pm
DFW
- LIS
1 stop33h 15m
Delta
Thu 4/3010:00 am
LIS
- DFW
2 stops18h 07m
Delta
Deal found 2/4![Delta logo]()
$518
This Priceline deal was found by Cheapflights users on 2/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/54:55 pm
DFW
- LIS
1 stop16h 30m
Finnair
Mon 3/94:10 pm
LIS
- DFW
1 stop29h 00m
Finnair
Deal found 2/5![Finnair logo]()
$519
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:41 pm
DFW
- LIS
1 stop13h 24m
British Airways
Tue 3/2412:55 pm
LIS
- DFW
2 stops25h 16m
British Airways
Deal found 2/2![British Airways logo]()
$520
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:50 pm
DFW
- LIS
1 stop17h 00m
Finnair
Mon 4/134:35 pm
LIS
- DFW
1 stop28h 30m
Finnair
Deal found 2/3![Finnair logo]()
$521
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:15 pm
DFW
- LIS
1 stop24h 35m
Lufthansa
Tue 3/3112:35 pm
LIS
- DFW
1 stop31h 40m
Lufthansa
Deal found 2/2![Lufthansa logo]()
$522
This Priceline deal was found by Cheapflights users on 2/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:30 am
DFW
- LIS
2 stops15h 10m
Iberia
Tue 3/108:20 am
LIS
- DFW
2 stops17h 14m
Iberia
Deal found 2/2![Iberia logo]()
$523
This United Airlines deal was found by Cheapflights users on 2/4. 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 5/512:26 pm
DFW
- LIS
2 stops16h 34m
United Airlines
Wed 5/135:05 am
LIS
- DFW
1 stop15h 10m
United Airlines
Deal found 2/4![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 2/4. 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 4/207:25 am
DFW
- LIS
2 stops18h 55m
United Airlines
Mon 4/277:25 am
LIS
- DFW
2 stops21h 34m
United Airlines
Deal found 2/4![United Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Wed 5/67:20 am
DFW
- LIS
2 stops21h 40m
United Airlines
Tue 5/1211:25 am
LIS
- DFW
2 stops32h 00m
United Airlines
Deal found 2/5![United Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/277:27 pm
DFW
- LIS
2 stops31h 53m
United Airlines
Wed 5/131:00 pm
LIS
- DFW
2 stops30h 22m
United Airlines
Deal found 2/2![United Airlines logo]()
$527
Best flights from Dallas to PortugalDiscover carefully curated flight deals from Dallas to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
Discover carefully curated flight deals from Dallas to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
This Finnair deal was found by Cheapflights users on 2/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:50 pm
DFW
- LIS
1 stop17h 00m
Finnair
Sat 4/254:35 pm
LIS
- DFW
1 stop28h 30m
Finnair
Deal found 2/1![Finnair logo]()
$521
This Delta deal was found by Cheapflights users on 2/1. 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.
Mon 4/1311:47 am
DFW
- LIS
2 stops21h 08m
Delta
Sat 4/2510:00 am
LIS
- DFW
1 stop17h 09m
Delta
Deal found 2/1![Delta logo]()
$538
This British Airways deal was found by Cheapflights users on 2/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:40 pm
DFW
- FNC
1 stop33h 30m
British Airways
Tue 4/216:40 pm
FNC
- DFW
1 stop28h 25m
British Airways
Deal found 2/4![British Airways logo]()
$542
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 2/2512:15 pm
DFW
- LIS
1 stop16h 00m
United Airlines
Sun 3/111:55 am
LIS
- DFW
1 stop14h 38m
United Airlines
Deal found 2/4![United Airlines logo]()
$558
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1710:45 am
DAL
- LIS
2 stops15h 15m
KLM
Tue 3/311:15 am
LIS
- DAL
2 stops17h 16m
KLM
Deal found 2/3![KLM logo]()
$586
This KLM deal was found by Cheapflights users on 2/2. 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 3/231:00 pm
DFW
- OPO
2 stops16h 30m
Multiple Airlines
Mon 3/304:20 pm
OPO
- DFW
1 stop27h 15m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$603
This KAYAK deal was found by Cheapflights users on 2/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2312:12 pm
DAL
- OPO
2 stops40h 23m
Scandinavian Airlines
Mon 3/3011:50 am
OPO
- DAL
2 stops40h 55m
Scandinavian Airlines
Deal found 2/4![Scandinavian Airlines logo]()
$637
This Air France deal was found by Cheapflights users on 2/3. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/103:59 pm
DAL
- LIS
2 stops16h 56m
Air France
Sun 4/1912:45 pm
LIS
- DAL
2 stops15h 48m
Air France
Deal found 2/3![Air France logo]()
$668
This British Airways deal was found by Cheapflights users on 2/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:40 pm
DFW
- FNC
1 stop16h 10m
British Airways
Wed 4/2212:00 pm
FNC
- DFW
1 stop35h 05m
British Airways
Deal found 2/4![British Airways logo]()
$542
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:50 pm
DFW
- LIS
1 stop17h 00m
Finnair
Mon 5/184:35 pm
LIS
- DFW
1 stop28h 30m
Finnair
Deal found 2/3![Finnair logo]()
$551
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:05 am
DAL
- LIS
2 stops19h 55m
Delta
Tue 4/2810:00 am
LIS
- DAL
2 stops18h 33m
Delta
Deal found 2/4![Delta logo]()
$589
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/1010:49 am
DFW
- OPO
2 stops17h 41m
United Airlines
Tue 3/176:00 am
OPO
- DFW
2 stops22h 15m
United Airlines
Deal found 2/1![United Airlines logo]()
$592
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1511:58 am
DAL
- LIS
2 stops14h 02m
KLM
Fri 2/2710:55 am
LIS
- DAL
2 stops17h 36m
KLM
Deal found 2/3![KLM logo]()
$613
This British Airways deal was found by Cheapflights users on 2/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:40 pm
DFW
- LIS
1 stop32h 25m
British Airways
Mon 4/207:10 am
LIS
- DFW
1 stop15h 55m
British Airways
Deal found 2/4![British Airways logo]()
$561
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/310:48 am
DFW
- OPO
2 stops16h 42m
United Airlines
Tue 3/106:00 am
OPO
- DFW
2 stops20h 14m
United Airlines
Deal found 2/1![United Airlines logo]()
$592
This Delta deal was found by Cheapflights users on 2/2. 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 3/48:05 am
DFW
- OPO
2 stops20h 25m
Delta
Wed 3/115:00 am
OPO
- DFW
2 stops23h 13m
Delta
Deal found 2/2![Delta logo]()
$594
This KLM deal was found by Cheapflights users on 2/4. 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.
Tue 3/1712:12 pm
DAL
- LIS
2 stops14h 48m
Multiple Airlines
Tue 3/3112:45 pm
LIS
- DAL
2 stops16h 00m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$658
This British Airways deal was found by Cheapflights users on 2/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:40 pm
DFW
- FNC
1 stop34h 40m
British Airways
Thu 4/231:05 pm
FNC
- DFW
1 stop34h 00m
British Airways
Deal found 2/4![British Airways logo]()
$568
This KLM deal was found by Cheapflights users on 2/4. 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 3/3011:44 am
DFW
- OPO
2 stops16h 56m
KLM
Thu 4/165:55 am
OPO
- DFW
1 stop13h 40m
KLM
Deal found 2/4![KLM logo]()
$626
This oojo deal was found by Cheapflights users on 2/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:25 am
DFW
- TER
2 stops25h 55m
TAP AIR PORTUGAL
Wed 7/15:55 pm
TER
- DFW
2 stops59h 04m
TAP AIR PORTUGAL
Deal found 2/3![TAP AIR PORTUGAL logo]()
$1,395
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/49:00 am
DFW
- OPO
2 stops18h 30m
United Airlines
Wed 3/1112:35 pm
OPO
- DFW
1 stop14h 07m
United Airlines
Deal found 2/2![United Airlines logo]()
$600
This Delta deal was found by Cheapflights users on 2/3. 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.
Wed 3/111:00 pm
DFW
- LIS
2 stops17h 20m
Delta
Tue 3/175:00 am
LIS
- DFW
2 stops21h 57m
Delta
Deal found 2/3![Delta logo]()
$604
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:42 am
DAL
- LIS
2 stops15h 18m
Multiple Airlines
Wed 4/1512:45 pm
LIS
- DAL
2 stops15h 48m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$671
This British Airways deal was found by Cheapflights users on 2/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:40 pm
DFW
- FNC
1 stop34h 25m
British Airways
Tue 4/216:40 pm
FNC
- DFW
1 stop28h 25m
British Airways
Deal found 2/4![British Airways logo]()
$568
This KLM deal was found by Cheapflights users on 2/2. 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.
Sat 2/2811:15 am
DAL
- LIS
2 stops15h 45m
KLM
Sat 3/710:00 am
LIS
- DAL
2 stops18h 31m
KLM
Deal found 2/2![KLM logo]()
$663
This KLM deal was found by Cheapflights users on 2/2. 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.
Wed 2/1110:25 am
DAL
- LIS
2 stops15h 35m
Multiple Airlines
Tue 2/175:30 am
LIS
- DAL
2 stops18h 19m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$682
This Air France deal was found by Cheapflights users on 2/2. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:12 pm
DAL
- OPO
2 stops17h 18m
Air France
Thu 4/95:55 am
OPO
- DAL
2 stops17h 59m
Air France
Deal found 2/2![Air France logo]()
$829
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/188:00 am
DFW
- OPO
2 stops21h 30m
Delta
Thu 4/95:00 am
OPO
- DFW
2 stops24h 59m
Delta
Deal found 2/4![Delta logo]()
$623
This British Airways deal was found by Cheapflights users on 2/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:40 pm
DFW
- FNC
1 stop34h 25m
British Airways
Wed 4/2212:00 pm
FNC
- DFW
1 stop35h 05m
British Airways
Deal found 2/4![British Airways logo]()
$568
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/910:42 am
DAL
- LIS
2 stops16h 18m
KLM
Sun 3/1510:00 am
LIS
- DAL
2 stops17h 45m
KLM
Deal found 2/3![KLM logo]()
$671
Last-minute flights from Dallas to PortugalDiscover last-minute flight deals from Dallas to Portugal. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from Dallas to Portugal. Data last updated February 5, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 2/118:30 am
DFW
- LIS
1 stop18h 25m
American Airlines
Tue 2/177:05 am
LIS
- DFW
1 stop19h 55m
American Airlines
Deal found 2/2![American Airlines logo]()
$518
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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.
Sun 2/1510:30 am
DFW
- LIS
1 stop16h 35m
British Airways
Fri 2/2711:05 am
LIS
- DFW
1 stop14h 01m
British Airways
Deal found 2/3![British Airways logo]()
$530
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:41 pm
DFW
- LIS
1 stop13h 24m
British Airways
Tue 3/2412:55 pm
LIS
- DFW
2 stops25h 16m
British Airways
Deal found 2/2![British Airways logo]()
$520
This Iberia deal was found by Cheapflights users on 2/3. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:55 pm
DFW
- LIS
1 stop11h 45m
Multiple Airlines
Tue 3/247:40 pm
LIS
- DFW
1 stop23h 00m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$528
This Priceline deal was found by Cheapflights users on 2/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:30 am
DFW
- LIS
2 stops15h 10m
Iberia
Tue 3/108:20 am
LIS
- DFW
2 stops17h 14m
Iberia
Deal found 2/2![Iberia logo]()
$523
This Priceline deal was found by Cheapflights users on 2/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/54:55 pm
DFW
- LIS
1 stop16h 30m
Finnair
Mon 3/94:10 pm
LIS
- DFW
1 stop29h 00m
Finnair
Deal found 2/5![Finnair logo]()
$519
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:55 pm
DFW
- LIS
1 stop16h 30m
Finnair
Sun 3/154:10 pm
LIS
- DFW
1 stop29h 00m
Finnair
Deal found 2/3![Finnair logo]()
$521
This Priceline deal was found by Cheapflights users on 2/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:55 pm
DFW
- LIS
1 stop16h 30m
Finnair
Wed 3/186:30 am
LIS
- DFW
1 stop15h 00m
Finnair
Deal found 2/4![Finnair logo]()
$529
This Finnair deal was found by Cheapflights users on 2/4. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:55 pm
DFW
- LIS
1 stop16h 30m
Finnair
Tue 3/176:30 am
LIS
- DFW
1 stop15h 00m
Finnair
Deal found 2/4![Finnair logo]()
$531
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:15 pm
DFW
- LIS
1 stop24h 35m
Lufthansa
Tue 3/3112:35 pm
LIS
- DFW
1 stop31h 40m
Lufthansa
Deal found 2/2![Lufthansa logo]()
$522
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 3/237:25 am
DFW
- LIS
2 stops19h 45m
United Airlines
Tue 3/317:25 am
LIS
- DFW
1 stop36h 50m
United Airlines
Deal found 2/3![United Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/249:51 am
DFW
- LIS
2 stops19h 44m
Delta
Fri 4/175:35 am
LIS
- DFW
2 stops23h 49m
Delta
Deal found 2/4![Delta logo]()
$515
One-way flights from Dallas to PortugalSearch for one-way flight options from Dallas to Portugal. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
Search for one-way flight options from Dallas to Portugal. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:05 pm
DFW
- LIS
2 stops19h 50m
British Airways
Deal found 2/2![British Airways logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:28 pm
DFW
- LIS
2 stops52h 57m
SWISS
Deal found 2/3![SWISS logo]()
$230
This TravelUp deal was found by Cheapflights users on 2/2. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:36 am
DFW
- LIS
1 stop15h 34m
Brussels Airlines
Deal found 2/2![Brussels Airlines logo]()
$244
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/21:10 pm
DFW
- LIS
2 stops15h 05m
United Airlines
Deal found 2/2![United Airlines logo]()
$246
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2112:00 pm
DFW
- LIS
1 stop14h 55m
Air Canada
Deal found 2/2![Air Canada logo]()
$254
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 2/2412:15 pm
DFW
- LIS
1 stop16h 00m
United Airlines
Deal found 2/3![United Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:36 pm
DFW
- LIS
3 stops53h 54m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$258
This Cheapflightsfares deal was found by Cheapflights users on 2/4. 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.
Mon 5/188:55 pm
DFW
- LIS
1 stop20h 15m
British Airways
Deal found 2/4![British Airways logo]()
$259
This Iberia deal was found by Cheapflights users on 2/4. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:55 pm
DFW
- LIS
1 stop20h 15m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$264
This oojo deal was found by Cheapflights users on 2/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:52 pm
DFW
- LIS
2 stops23h 08m
British Airways
Deal found 2/4![British Airways logo]()
$266
This oojo deal was found by Cheapflights users on 2/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:46 pm
DFW
- LIS
2 stops36h 59m
British Airways
Deal found 2/5![British Airways logo]()
$271
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Wed 7/227:22 pm
DFW
- LIS
2 stops31h 58m
United Airlines
Deal found 2/5![United Airlines logo]()
$275
Find flight deals from Dallas to Portugal
Keep the following information in mind while searching for Dallas to Portugal flight deals. Data was last updated February 5, 2026.
Round-trip from | $515 (oojo) |
|---|---|
One-way from | $217 (oojo) |
Popular in | June |
Cheapest in | February |
Average price | $567 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dallas 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 February 5, 2026.
Use the filters below to find and compare flights from Dallas to Portugal that are best for you.
Fly from
Dallas
Fly to
Portugal
Route
Depart
Return
Price
DallasLisbon
DFW - LIS
DFWLIS
Dallas/Fort Worth
Mon 4/13
4:50 pm-3:50 pm
1 stop17h 00m
Lisbon Humberto Delgado
Sat 4/25
4:35 pm-3:05 pm
1 stop28h 30m
$521
DallasLisbon
DFW - LIS
DFWLIS
Dallas/Fort Worth
Mon 4/13
11:47 am-2:55 pm
2 stops21h 08m
Lisbon Humberto Delgado
Sat 4/25
10:00 am-9:09 pm
1 stop17h 09m
$538
DallasFunchal
DFW - FNC
DFWFNC
Dallas/Fort Worth
Mon 4/13
7:40 pm-11:10 am
1 stop33h 30m
Funchal Madeira
Tue 4/21
6:40 pm-5:05 pm
1 stop28h 25m
$542
DallasFunchal
DFW - FNC
DFWFNC
Dallas/Fort Worth
Mon 4/13
7:40 pm-5:50 pm
1 stop16h 10m
Funchal Madeira
Wed 4/22
12:00 pm-5:05 pm
1 stop35h 05m
$542
DallasLisbon
DFW - LIS
DFWLIS
Dallas/Fort Worth
Mon 5/11
4:50 pm-3:50 pm
1 stop17h 00m
Lisbon Humberto Delgado
Mon 5/18
4:35 pm-3:05 pm
1 stop28h 30m
$551
DallasLisbon
DFW - LIS
DFWLIS
Dallas/Fort Worth
Wed 2/25
12:15 pm-10:15 am
1 stop16h 00m
Lisbon Humberto Delgado
Sun 3/1
11:55 am-8:33 pm
1 stop14h 38m
$558
DallasLisbon
DFW - LIS
DFWLIS
Dallas/Fort Worth
Thu 4/9
7:40 pm-10:05 am
1 stop32h 25m
Lisbon Humberto Delgado
Mon 4/20
7:10 am-5:05 pm
1 stop15h 55m
$561
DallasFunchal
DFW - FNC
DFWFNC
Dallas/Fort Worth
Fri 4/17
7:40 pm-12:20 pm
1 stop34h 40m
Funchal Madeira
Thu 4/23
1:05 pm-5:05 pm
1 stop34h 00m
$568
DallasFunchal
DFW - FNC
DFWFNC
Dallas/Fort Worth
Tue 4/14
7:40 pm-12:05 pm
1 stop34h 25m
Funchal Madeira
Tue 4/21
6:40 pm-5:05 pm
1 stop28h 25m
$568
DallasFunchal
DFW - FNC
DFWFNC
Dallas/Fort Worth
Wed 4/15
7:40 pm-12:05 pm
1 stop34h 25m
Funchal Madeira
Wed 4/22
12:00 pm-5:05 pm
1 stop35h 05m
$568
Showing 1-10 of 60 results
Best time to book a flight from Dallas to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Dallas with our price prediction graph.
DFW-LIS
DAL-LIS
DFW-FNC
DFW-OPO
DAL-OPO
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 Dallas to Portugal
A78-PT0
DFW-LIS
DAL-LIS
DFW-FNC
DFW-OPO
What is the cheapest month to book a flight from Dallas to Portugal?
Currently, December is the cheapest month in which you can book a flight from Dallas to Portugal (average of $414). Flying from Dallas to Portugal in June is currently the most expensive (average of $735). 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 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 February 5, 2026.
See what other customers who have flown with Delta, Finnair, and United Airlines from Dallas to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Dallas 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 Dallas 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 Dallas to Portugal by cabin class
Find flights from Dallas to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Dallas and Portugal flights
Browse other Dallas and Portugal flight options. Last updated on February 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Dallas to Portugal flights
Consider these flights traveling from Dallas to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from Dallas to Portugal
Discover the top 10 airlines that operate flights from Dallas 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 February 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$465 | Average$714 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$499 | Average$718 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$508 | Average$808 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$517 | Average$939 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$521 | Average$699 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$534 | Average$742 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$535 | Average$917 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$537 | Average$769 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$557 | Average$777 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$572 | Average$724 | FlexibilityNo cancel fee | On-time75% |