$324+ Cheap flights from Dallas to Porto (OPO)
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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Dallas to Porto 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 Dallas to PortoExplore the most affordable flight options available from Dallas to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
Explore the most affordable flight options available from Dallas to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 11/147:00 pm -
1 stop21h 00m
Wed 11/185:55 am -
1 stop16h 55m
Deal found 8/11![Delta logo]()
$766
This Air France deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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.
Sat 11/1412:12 pm -
2 stops16h 23m
Wed 11/185:00 am -
2 stops19h 01m
Deal found 8/11![Multiple Airlines logo]()
$773
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/137:35 am -
1 stop19h 30m
Thu 12/315:00 am -
2 stops23h 28m
Deal found 8/11![Delta logo]()
$775
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/11:50 pm -
1 stop15h 00m
Fri 11/612:25 pm -
2 stops28h 33m
Deal found 8/11![Multiple Airlines logo]()
$805
This Gotogate deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Mon 8/179:30 pm -
1 stop36h 10m
Wed 9/210:45 am -
1 stop38h 50m
Deal found 8/13![Turkish Airlines logo]()
$820
This KLM deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/143:45 pm -
1 stop17h 40m
Tue 10/205:00 am -
2 stops18h 45m
Deal found 8/12![KLM logo]()
$827
This Gotogate deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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.
Thu 8/139:30 pm -
1 stop20h 00m
Thu 8/274:40 pm -
1 stop26h 05m
Deal found 8/9![Turkish Airlines logo]()
$830
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/141:36 pm -
2 stops19h 49m
Tue 10/205:00 am -
2 stops18h 45m
Deal found 8/12![Delta logo]()
$832
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 8/1712:12 pm -
2 stops16h 18m
Wed 9/25:55 am -
2 stops17h 19m
Deal found 8/11![Delta logo]()
$975
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/246:30 am -
2 stops20h 00m
Thu 10/15:55 am -
2 stops18h 07m
Deal found 8/10![Delta logo]()
$1,050
This KLM deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/2212:10 pm -
2 stops16h 20m
Mon 11/26:25 am -
2 stops17h 40m
Deal found 8/11![KLM logo]()
$1,069
This Air France deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 8/139:57 am -
2 stops16h 33m
Thu 8/275:55 am -
2 stops17h 48m
Deal found 8/9![Air France logo]()
$1,092
Best flights from Dallas to PortoDiscover carefully curated flight deals from Dallas to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Dallas to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/141:36 pm -
2 stops19h 49m
Tue 10/205:00 am -
2 stops18h 45m
Deal found 8/12![Delta logo]()
$832
This Turkish Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/189:30 pm -
1 stop36h 10m
Tue 9/224:50 pm -
1 stop32h 45m
Deal found 8/10![Turkish Airlines logo]()
$877
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/96:45 am -
2 stops18h 15m
Wed 9/1611:20 am -
2 stops37h 24m
Deal found 8/12![United Airlines logo]()
$945
This American Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 10/222:25 pm -
2 stops15h 20m
Mon 11/28:40 pm -
1 stop14h 50m
Deal found 8/9![American Airlines logo]()
$952
This Air France deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 10/1212:10 pm -
2 stops16h 30m
Fri 10/235:55 am -
2 stops18h 10m
Deal found 8/9![Multiple Airlines logo]()
$1,193
This KLM deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/1412:10 pm -
2 stops16h 30m
Tue 10/205:00 am -
2 stops19h 05m
Deal found 8/11![KLM logo]()
$1,271
This Turkish Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 -
1 stop36h 10m
Tue 9/224:50 pm -
2 stops35h 45m
Deal found 8/10![Turkish Airlines logo]()
$934
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/157:21 pm -
2 stops29h 39m
Tue 9/2212:15 pm -
3 stops33h 01m
Deal found 8/10![United Airlines logo]()
$945
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/246:30 am -
2 stops20h 00m
Thu 10/15:55 am -
2 stops18h 07m
Deal found 8/10![Delta logo]()
$1,050
This Turkish Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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.
Thu 10/157:00 am -
2 stops50h 40m
Sun 10/2510:55 am -
1 stop37h 30m
Deal found 8/9![Turkish Airlines logo]()
$988
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/2312:25 pm -
1 stop12h 45m
Sat 10/3112:35 pm -
1 stop31h 50m
Deal found 8/13![United Airlines logo]()
$1,008
This Turkish Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/112:30 pm -
1 stop19h 10m
Fri 9/184:45 pm -
1 stop32h 50m
Deal found 8/12![Turkish Airlines logo]()
$996
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/116:00 am -
1 stop18h 50m
Fri 9/186:00 am -
2 stops21h 38m
Deal found 8/10![United Airlines logo]()
$1,023
This KLM deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/512:04 pm -
2 stops16h 26m
Thu 10/85:55 am -
2 stops18h 10m
Deal found 8/13![KLM logo]()
$1,315
This Turkish Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/86:45 am -
2 stops50h 55m
Tue 9/2910:40 am -
1 stop38h 55m
Deal found 8/13![Turkish Airlines logo]()
$1,030
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am -
2 stops18h 00m
Sat 10/2411:20 am -
2 stops17h 39m
Deal found 8/14![United Airlines logo]()
$1,047
This KLM deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:10 pm -
2 stops16h 30m
Sat 10/245:00 am -
2 stops19h 05m
Deal found 8/14![KLM logo]()
$1,429
This KLM deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/2312:10 pm -
2 stops16h 30m
Sat 10/315:00 am -
2 stops18h 05m
Deal found 8/12![KLM logo]()
$1,446
This KLM deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:04 pm -
2 stops16h 26m
Sun 10/255:00 am -
2 stops18h 05m
Deal found 8/14![KLM logo]()
$1,650
This KLM deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:10 pm -
2 stops16h 30m
Sun 10/255:00 am -
2 stops18h 05m
Deal found 8/14![KLM logo]()
$1,654
This KLM deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/1112:00 pm -
2 stops16h 40m
Fri 9/185:55 am -
2 stops18h 07m
Deal found 8/13![KLM logo]()
$1,748
Last-minute flights from Dallas to PortoDiscover last-minute flight deals from Dallas to Porto. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Dallas to Porto. Data last updated August 14, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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.
Thu 8/139:30 pm -
1 stop20h 00m
Thu 8/274:40 pm -
1 stop26h 05m
Deal found 8/9![Turkish Airlines logo]()
$830
This Air France deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 8/139:57 am -
2 stops16h 33m
Thu 8/275:55 am -
2 stops17h 48m
Deal found 8/9![Air France logo]()
$1,092
This Gotogate deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Mon 8/179:30 pm -
1 stop36h 10m
Wed 9/210:45 am -
1 stop38h 50m
Deal found 8/13![Turkish Airlines logo]()
$820
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 8/1712:12 pm -
2 stops16h 18m
Wed 9/25:55 am -
2 stops17h 19m
Deal found 8/11![Delta logo]()
$975
This Air France deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:57 am -
2 stops16h 33m
Fri 9/115:00 am -
2 stops19h 02m
Deal found 8/12![Multiple Airlines logo]()
$1,132
This Turkish Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:30 pm -
1 stop36h 10m
Sun 9/64:40 pm -
1 stop26h 05m
Deal found 8/14![Turkish Airlines logo]()
$897
This Air France deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 8/315:59 pm -
2 stops15h 26m
Sun 9/69:25 am -
2 stops19h 01m
Deal found 8/10![Multiple Airlines logo]()
$1,256
This Turkish Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/89:30 pm -
1 stop36h 10m
Tue 9/2910:40 am -
1 stop38h 55m
Deal found 8/13![Turkish Airlines logo]()
$884
This Turkish Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 -
1 stop30h 30m
Tue 9/224:50 pm -
1 stop32h 45m
Deal found 8/11![Turkish Airlines logo]()
$837
This Turkish Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/189:30 pm -
1 stop36h 10m
Tue 9/224:50 pm -
1 stop32h 45m
Deal found 8/10![Turkish Airlines logo]()
$877
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/2211:19 am -
2 stops22h 06m
Fri 10/25:55 am -
1 stop13h 40m
Deal found 8/10![Delta logo]()
$878
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/246:30 am -
2 stops20h 00m
Thu 10/15:55 am -
2 stops18h 07m
Deal found 8/10![Delta logo]()
$1,050
One-way flights from Dallas to PortoSearch for one-way flight options from Dallas to Porto. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Dallas to Porto. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/279:40 pm -
3 stops43h 15m
Deal found 8/11![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/147:48 pm -
3 stops40h 32m
Deal found 8/13![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:08 pm -
2 stops47h 07m
Deal found 8/13![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:55 pm -
2 stops56h 30m
Deal found 8/9![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/121:23 pm -
3 stops49h 02m
Deal found 8/13![Multiple Airlines logo]()
$377
This Mytrip deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/612:30 pm -
2 stops23h 20m
Deal found 8/10![Multiple Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 11/303:55 pm -
2 stops17h 20m
Deal found 8/10![Delta logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/137:55 am -
2 stops30h 30m
Deal found 8/13![Multiple Airlines logo]()
$440
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:06 am -
2 stops22h 29m
Deal found 8/10![Delta logo]()
$462
This KLM deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/276:50 pm -
2 stops15h 35m
Deal found 8/11![KLM logo]()
$472
This KLM deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/512:04 pm -
2 stops16h 26m
Deal found 8/10![KLM logo]()
$507
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 12/112:12 pm -
2 stops16h 23m
Deal found 8/10![Delta logo]()
$526
Find flight deals from Dallas to Porto
Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2026.
Round-trip from | $766 (Delta) |
|---|---|
One-way from | $324 (Kiwi.com) |
Popular in | July |
Cheapest in | December |
Average price | $1,001 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dallas to Porto 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 August 14, 2026.
Use the filters below to find and compare flights from Dallas to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Wed 10/14
1:36 pm-3:25 pm
2 stops19h 49m
Porto
Tue 10/20
5:00 am-5:45 pm
2 stops18h 45m
$832
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Fri 9/18
9:30 pm-3:40 pm
1 stop36h 10m
Porto
Tue 9/22
4:50 pm-7:35 pm
1 stop32h 45m
$877
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Tue 9/15
9:30 pm-3:40 pm
1 stop36h 10m
Porto
Tue 9/22
4:50 pm-10:35 pm
2 stops35h 45m
$934
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Wed 9/9
6:45 am-7:00 am
2 stops18h 15m
Porto
Wed 9/16
11:20 am-6:44 pm
2 stops37h 24m
$945
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Tue 9/15
7:21 pm-7:00 am
2 stops29h 39m
Porto
Tue 9/22
12:15 pm-3:16 pm
3 stops33h 01m
$945
Quickest round-trip
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Thu 10/22
2:25 pm-11:45 am
2 stops15h 20m
Porto
Mon 11/2
8:40 pm-5:30 am
1 stop14h 50m
$952
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Thu 10/15
7:00 am-3:40 pm
2 stops50h 40m
Porto
Sun 10/25
10:55 am-7:25 pm
1 stop37h 30m
$988
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Fri 9/11
2:30 pm-3:40 pm
1 stop19h 10m
Porto
Fri 9/18
4:45 pm-7:35 pm
1 stop32h 50m
$996
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Fri 10/23
12:25 pm-7:10 am
1 stop12h 45m
Porto
Sat 10/31
12:35 pm-3:25 pm
1 stop31h 50m
$1,008
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Fri 9/11
6:00 am-6:50 am
1 stop18h 50m
Porto
Fri 9/18
6:00 am-9:38 pm
2 stops21h 38m
$1,023
Showing 1-10 of 39 resultsSorted by cheapest first
Best time to book a flight from Dallas to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from Dallas with our price prediction graph.
A78-OPO
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 Porto
A78-OPO
DFW-OPO
DAL-OPO
What is the cheapest month to book a flight from Dallas to Porto?
Currently, December is the cheapest month in which you can book a flight from Dallas to Porto (average of $669). Flying from Dallas to Porto in July is currently the most expensive (average of $1,148). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Dallas to Porto?
Airfare is below average for this route at the moment.
Dallas to Porto flights typically cost between $1,001 and $1,335 in November.The cheapest round-trip price found within the last 5 days was $766 on Delta (Nov 14-Nov 18).
Reviews of airlines servicing Porto
Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated August 14, 2026.
Get a feel of what it's like to fly with Turkish Airlines,United Airlines, andAmerican Airlines from Dallas to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.3
Entertainment
7.5
Food
7.5
Overall
7.4
Comfort
7.3
Crew
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Entertainment
7.5
Food
7.5
Overall
7.4
Comfort
7.3
Crew
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Entertainment
7.5
Food
7.5
Overall
7.4
Comfort
7.3
Crew
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Entertainment
7.5
Food
7.5
Overall
7.4
Comfort
7.3
Crew
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Entertainment
7.5
Food
7.5
Overall
7.4
Comfort
7.3
Crew
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Related info for your journey
Find useful and relevant information for your journey from Dallas to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro
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Complete your trip
Complete your trip to Porto by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Dallas to Porto by cabin class
Find flights from Dallas to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Dallas and Porto flights
Browse other Dallas and Porto flight options. Last updated on August 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Porto
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.
Top 4 airlines flying from Dallas to Porto
Discover the top 4 airlines that operate flights from Dallas to Porto. 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 August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$584 | Average$1,004 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$593 | Average$935 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$653 | Average$776 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$716 | Average$1,069 | FlexibilityNo cancel fee | On-time69% |