$353+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
Sep 9 — Sep 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Dallas to Porto
Cheapest
Best
Last-minute
One-way
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 10, 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 10, 2026.
This Gotogate deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:30 pm -
1 stop36h 10m
Thu 8/276:10 am -
1 stop19h 25m
Deal found 8/6![Turkish Airlines logo]()
$825
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.
Wed 10/149:30 pm -
1 stop36h 15m
Tue 10/2010:40 am -
1 stop38h 55m
Deal found 8/10![Turkish Airlines logo]()
$837
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:00 am -
2 stops20h 30m
Thu 12/106:00 am -
2 stops21h 28m
Deal found 8/6![United Airlines logo]()
$839
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.
Thu 10/229:30 pm -
1 stop36h 10m
Mon 11/24:25 pm -
2 stops29h 56m
Deal found 8/10![Multiple Airlines logo]()
$847
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.
Mon 10/129:45 pm -
1 stop17h 15m
Fri 10/236:35 am -
1 stop19h 35m
Deal found 8/9![Multiple Airlines logo]()
$852
This Trip.com 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 Trip.com 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 9/2210:40 am -
1 stop38h 55m
Deal found 8/10![Turkish Airlines logo]()
$863
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 10/228:10 am -
1 stop20h 20m
Mon 11/25:55 am -
1 stop16h 55m
Deal found 8/10![Delta logo]()
$876
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 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:47 pm -
2 stops17h 33m
Tue 9/156:15 am -
2 stops21h 42m
Deal found 8/9![Delta logo]()
$970
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 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 10, 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 10, 2026.
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:00 am -
1 stop17h 30m
Thu 12/1012:35 pm -
1 stop15h 24m
Deal found 8/8![United Airlines logo]()
$848
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 British Airways deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/1910:24 am -
2 stops15h 16m
Sat 10/318:40 pm -
2 stops27h 09m
Deal found 8/7![Multiple Airlines logo]()
$969
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:47 pm -
2 stops17h 33m
Tue 9/156:15 am -
2 stops21h 42m
Deal found 8/9![Delta logo]()
$970
This KLM deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 11/216:46 pm -
2 stops14h 39m
Mon 11/305:55 am -
2 stops18h 06m
Deal found 8/7![KLM logo]()
$1,234
This Turkish Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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.
Wed 10/147:00 am -
2 stops50h 45m
Tue 10/2010:40 am -
1 stop38h 55m
Deal found 8/8![Turkish Airlines logo]()
$881
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:28 pm -
3 stops61h 02m
Mon 11/3012:35 pm -
2 stops52h 38m
Deal found 8/7![United Airlines logo]()
$915
This flugladen.de deal was found by Cheapflights users on 8/5. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:30 pm -
1 stop19h 10m
Tue 8/2510:40 am -
1 stop38h 55m
Deal found 8/5![Turkish Airlines logo]()
$920
This United deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:20 pm -
2 stops31h 35m
Sun 9/1312:15 pm -
2 stops29h 22m
Deal found 8/7![Multiple Airlines logo]()
$1,021
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Tue 9/86:00 am -
1 stop18h 15m
Tue 9/1512:15 pm -
2 stops30h 54m
Deal found 8/5![United Airlines logo]()
$941
This Turkish Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:30 pm -
1 stop36h 10m
Tue 9/1510:40 am -
1 stop38h 55m
Deal found 8/5![Turkish Airlines logo]()
$931
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 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 KLM deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/1912:10 pm -
2 stops16h 30m
Sat 10/315:00 am -
2 stops18h 05m
Deal found 8/7![KLM logo]()
$1,300
This Air France deal was found by Cheapflights users on 8/5. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:12 pm -
2 stops16h 23m
Wed 12/95:00 am -
2 stops19h 01m
Deal found 8/5![Multiple Airlines logo]()
$1,192
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
Thu 10/85:55 am -
2 stops18h 10m
Deal found 8/10![KLM logo]()
$1,315
This KLM deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:59 pm -
2 stops15h 26m
Wed 9/95:55 am -
2 stops18h 07m
Deal found 8/5![Multiple Airlines logo]()
$1,349
This KLM deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 8/8![KLM logo]()
$1,427
This KLM deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sat 9/196:10 am -
2 stops17h 52m
Deal found 8/6![KLM logo]()
$1,484
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.
Fri 10/233:59 pm -
2 stops17h 26m
Sat 10/315:00 am -
2 stops18h 05m
Deal found 8/9![Multiple Airlines logo]()
$1,533
Last-minute flights from Dallas to PortoDiscover last-minute flight deals from Dallas to Porto. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Dallas to Porto. Data last updated August 10, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:30 pm -
1 stop36h 10m
Thu 8/276:10 am -
1 stop19h 25m
Deal found 8/6![Turkish Airlines logo]()
$825
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 Turkish Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/610:45 am -
1 stop32h 00m
Deal found 8/7![Turkish Airlines logo]()
$897
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:18 pm -
2 stops57h 42m
Wed 9/2312:25 pm -
1 stop13h 45m
Deal found 8/6![Multiple Airlines logo]()
$899
This eDestinos 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 eDestinos 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 9/1510:40 am -
1 stop38h 55m
Deal found 8/9![Turkish Airlines logo]()
$902
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:47 pm -
2 stops17h 33m
Tue 9/156:15 am -
2 stops21h 42m
Deal found 8/9![Delta logo]()
$970
This Trip.com 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 Trip.com 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 9/2210:40 am -
1 stop38h 55m
Deal found 8/10![Turkish Airlines logo]()
$863
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 Turkish Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/229:30 pm -
1 stop30h 30m
Tue 9/2910:40 am -
1 stop38h 55m
Deal found 8/7![Turkish Airlines logo]()
$884
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/226:00 am -
1 stop18h 15m
Tue 9/2912:15 pm -
3 stops33h 02m
Deal found 8/7![United Airlines logo]()
$918
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 10, 2026.
Search for one-way flight options from Dallas to Porto. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/41:35 pm -
3 stops59h 10m
Deal found 8/7![Multiple Airlines logo]()
$353
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 8/7. Clicking the “Pick Dates” 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 8/168:14 pm -
3 stops43h 41m
Deal found 8/7![Multiple Airlines logo]()
$393
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 oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:00 pm -
1 stop17h 40m
Deal found 8/10![Lufthansa logo]()
$461
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.
Mon 10/53:57 pm -
3 stops33h 03m
Deal found 8/10![United Airlines logo]()
$467
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 Air France deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/169:57 am -
2 stops16h 33m
Deal found 8/7![Air France logo]()
$630
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.
Tue 10/612:10 pm -
2 stops16h 20m
Deal found 8/10![KLM logo]()
$755
This KLM deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/412:04 pm -
2 stops16h 36m
Deal found 8/7![KLM logo]()
$764
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:55 pm -
3 stops41h 40m
Deal found 8/5![Multiple Airlines logo]()
$829
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 9/183:59 pm -
2 stops32h 46m
Deal found 8/9![Multiple Airlines logo]()
$868
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 10, 2026.
Round-trip from | $825 (Gotogate) |
|---|---|
One-way from | $353 (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 10, 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
Sun 12/6
10:00 am-9:30 am
1 stop17h 30m
Porto
Thu 12/10
12:35 pm-9:59 pm
1 stop15h 24m
$848
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
Wed 10/14
7:00 am-3:45 pm
2 stops50h 45m
Porto
Tue 10/20
10:40 am-7:35 pm
1 stop38h 55m
$881
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Sat 11/21
2:28 pm-9:30 am
3 stops61h 02m
Porto
Mon 11/30
12:35 pm-11:13 am
2 stops52h 38m
$915
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Fri 8/21
2:30 pm-3:40 pm
1 stop19h 10m
Porto
Tue 8/25
10:40 am-7:35 pm
1 stop38h 55m
$920
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Tue 9/8
9:30 pm-3:40 pm
1 stop36h 10m
Porto
Tue 9/15
10:40 am-7:35 pm
1 stop38h 55m
$931
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
Tue 9/8
6:00 am-6:15 am
1 stop18h 15m
Porto
Tue 9/15
12:15 pm-1:09 pm
2 stops30h 54m
$941
DallasPorto
DFW Dallas/Fort Worth - OPO Porto
DFWOPO
Dallas/Fort Worth
Mon 10/19
10:24 am-7:40 am
2 stops15h 16m
Porto
Sat 10/31
8:40 pm-6:49 pm
2 stops27h 09m
$969
DallasPorto
DAL Dallas Love Field - OPO Porto
DALOPO
Dallas Love Field
Tue 9/8
6:47 pm-6:20 pm
2 stops17h 33m
Porto
Tue 9/15
6:15 am-9:57 pm
2 stops21h 42m
$970
Showing 1-10 of 35 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 January.The cheapest round-trip price found within the last 5 days was $773 on Delta (Jan 2-Jan 14).
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 10, 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
Food
7.5
Entertainment
7.5
Comfort
7.3
Overall
7.4
Crew
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Food
7.5
Entertainment
7.5
Comfort
7.3
Overall
7.4
Crew
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Food
7.5
Entertainment
7.5
Comfort
7.3
Overall
7.4
Crew
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Food
7.5
Entertainment
7.5
Comfort
7.3
Overall
7.4
Crew
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Boarding
7.3
Food
7.5
Entertainment
7.5
Comfort
7.3
Overall
7.4
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Porto flight routes
Alternative routes for Dallas to Porto
See prices for flight routes from nearby airports that may be better suited for you.
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 10, 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 10, 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 10, 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% |