$336+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
Jul 19 — Jul 261
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 June 19, 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 June 19, 2026.
This oojo deal was found by Cheapflights users on 6/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:20 pm
DFW
- OPO
1 stop36h 05m
Turkish Airlines
Wed 11/1110:55 am
OPO
- DFW
1 stop37h 30m
Turkish Airlines
Deal found 6/14![Turkish Airlines logo]()
$812
This oojo deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:20 pm
DFW
- OPO
1 stop36h 05m
Turkish Airlines
Tue 11/104:25 pm
OPO
- DFW
1 stop32h 00m
Turkish Airlines
Deal found 6/17![Turkish Airlines logo]()
$815
This FlightHub deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:30 pm
DFW
- OPO
1 stop36h 20m
Turkish Airlines
Tue 9/1510:40 am
OPO
- DFW
1 stop38h 55m
Turkish Airlines
Deal found 6/17![Turkish Airlines logo]()
$837
This Air France deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:45 am
DFW
- OPO
1 stop18h 20m
Air France
Wed 11/115:40 am
OPO
- DFW
1 stop14h 20m
Air France
Deal found 6/17![Air France logo]()
$838
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:05 pm
DFW
- OPO
1 stop12h 30m
Delta
Thu 11/125:00 am
OPO
- DFW
2 stops19h 41m
Delta
Deal found 6/17![Delta logo]()
$841
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:19 pm
DFW
- OPO
2 stops17h 26m
American Airlines
Wed 11/118:40 pm
OPO
- DFW
1 stop14h 50m
American Airlines
Deal found 6/14![American Airlines logo]()
$842
This KLM deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:18 pm
DFW
- OPO
2 stops15h 17m
Multiple Airlines
Wed 11/115:40 am
OPO
- DFW
1 stop14h 20m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$843
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am
DAL
- OPO
2 stops22h 35m
Delta
Thu 11/125:00 am
OPO
- DAL
2 stops21h 36m
Delta
Deal found 6/17![Delta logo]()
$845
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:10 am
DFW
- OPO
2 stops17h 25m
Delta
Tue 11/1011:15 am
OPO
- DFW
2 stops36h 03m
Delta
Deal found 6/17![Delta logo]()
$845
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:00 am
DAL
- OPO
2 stops19h 05m
Delta
Thu 11/125:00 am
OPO
- DAL
2 stops21h 36m
Delta
Deal found 6/17![Delta logo]()
$846
This KLM deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:05 pm
DFW
- OPO
1 stop12h 30m
KLM
Mon 11/911:30 am
OPO
- DFW
1 stop32h 30m
KLM
Deal found 6/17![KLM logo]()
$851
This FlightHub deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:30 pm
DFW
- OPO
1 stop36h 15m
Turkish Airlines
Tue 10/2010:40 am
OPO
- DFW
1 stop38h 55m
Turkish Airlines
Deal found 6/19![Turkish Airlines logo]()
$852
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 June 19, 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 June 19, 2026.
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:00 am
DAL
- OPO
2 stops19h 05m
Delta
Thu 11/125:00 am
OPO
- DAL
2 stops21h 36m
Delta
Deal found 6/17![Delta logo]()
$846
This KLM deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:01 pm
DAL
- OPO
2 stops15h 04m
KLM
Tue 11/105:40 am
OPO
- DAL
2 stops18h 10m
KLM
Deal found 6/17![KLM logo]()
$853
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 8/1912:25 pm
DFW
- OPO
1 stop12h 35m
United Airlines
Wed 8/2611:20 am
OPO
- DFW
2 stops33h 40m
United Airlines
Deal found 6/15![United Airlines logo]()
$917
This Air France deal was found by Cheapflights users on 6/14. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:57 pm
DAL
- OPO
2 stops18h 28m
Multiple Airlines
Wed 8/265:00 am
OPO
- DAL
2 stops23h 26m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$935
This Gotogate deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:30 pm
DFW
- OPO
1 stop20h 00m
Turkish Airlines
Sat 9/1210:45 am
OPO
- DFW
1 stop38h 50m
Turkish Airlines
Deal found 6/18![Turkish Airlines logo]()
$1,035
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:45 pm
DFW
- OPO
1 stop17h 40m
Delta
Tue 10/205:00 am
OPO
- DFW
2 stops18h 51m
Delta
Deal found 6/17![Delta logo]()
$866
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:45 pm
DFW
- OPO
1 stop17h 40m
Delta
Fri 10/165:55 am
OPO
- DFW
2 stops22h 08m
Delta
Deal found 6/15![Delta logo]()
$873
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/2912:25 pm
DFW
- OPO
1 stop12h 35m
United Airlines
Wed 8/511:20 am
OPO
- DFW
2 stops34h 28m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,013
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:01 pm
DFW
- OPO
1 stop11h 54m
United Airlines
Tue 9/1512:15 pm
OPO
- DFW
3 stops33h 01m
United Airlines
Deal found 6/17![United Airlines logo]()
$1,014
This KLM deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:01 pm
DAL
- OPO
2 stops16h 29m
KLM
Sat 10/3110:00 am
OPO
- DAL
2 stops17h 32m
KLM
Deal found 6/18![KLM logo]()
$1,173
This Air France deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:01 pm
DAL
- OPO
2 stops15h 04m
Multiple Airlines
Wed 11/115:40 am
OPO
- DAL
2 stops18h 10m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,181
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:28 pm
DFW
- OPO
2 stops17h 57m
Delta
Sun 9/65:00 am
OPO
- DFW
2 stops20h 31m
Delta
Deal found 6/18![Delta logo]()
$1,018
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:45 am
DFW
- OPO
2 stops18h 05m
United Airlines
Sat 9/1912:20 pm
OPO
- DFW
2 stops33h 29m
United Airlines
Deal found 6/18![United Airlines logo]()
$1,076
This KLM deal was found by Cheapflights users on 6/14. 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.
Fri 9/1112:01 pm
DAL
- OPO
2 stops16h 29m
KLM
Fri 9/1812:45 pm
OPO
- DAL
2 stops15h 53m
KLM
Deal found 6/14![KLM logo]()
$1,196
This KLM deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:01 pm
DAL
- OPO
2 stops16h 29m
Multiple Airlines
Tue 10/201:05 pm
OPO
- DAL
2 stops15h 27m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,201
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:10 am
DFW
- OPO
1 stop20h 20m
Delta
Fri 9/1811:25 am
OPO
- DFW
2 stops18h 34m
Delta
Deal found 6/17![Delta logo]()
$1,024
This KLM deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:00 pm
DAL
- OPO
2 stops16h 30m
KLM
Sat 9/195:00 am
OPO
- DAL
2 stops19h 02m
KLM
Deal found 6/17![KLM logo]()
$1,249
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:45 pm
DFW
- OPO
1 stop17h 40m
Delta
Sat 9/195:00 am
OPO
- DFW
2 stops22h 09m
Delta
Deal found 6/16![Delta logo]()
$1,083
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:05 am
DAL
- OPO
2 stops22h 15m
Delta
Thu 7/305:00 am
OPO
- DAL
2 stops18h 54m
Delta
Deal found 6/17![Delta logo]()
$1,250
Last-minute flights from Dallas to PortoDiscover last-minute flight deals from Dallas to Porto. Data last updated June 19, 2026 and is based on user searches.
Discover last-minute flight deals from Dallas to Porto. Data last updated June 19, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2212:18 pm
DAL
- OPO
2 stops16h 22m
Multiple Airlines
Wed 9/305:55 am
OPO
- DAL
2 stops18h 07m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,323
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:05 am
DAL
- OPO
2 stops22h 15m
Delta
Thu 7/305:00 am
OPO
- DAL
2 stops18h 54m
Delta
Deal found 6/17![Delta logo]()
$1,250
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:30 am
DAL
- OPO
2 stops16h 50m
Delta
Tue 7/2812:25 pm
OPO
- DAL
2 stops26h 56m
Delta
Deal found 6/17![Delta logo]()
$1,257
This Air France deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/143:45 pm
DFW
- OPO
1 stop17h 40m
Multiple Airlines
Tue 7/215:00 am
OPO
- DFW
2 stops18h 16m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$953
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/143:34 pm
DFW
- OPO
2 stops17h 51m
Delta
Tue 7/215:00 am
OPO
- DFW
2 stops18h 16m
Delta
Deal found 6/15![Delta logo]()
$958
This Air France deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/143:45 pm
DFW
- OPO
1 stop17h 40m
Air France
Tue 7/214:25 pm
OPO
- DFW
1 stop27h 10m
Air France
Deal found 6/15![Air France logo]()
$963
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/1412:19 pm
DAL
- OPO
2 stops16h 11m
Delta
Tue 7/216:15 am
OPO
- DAL
2 stops22h 10m
Delta
Deal found 6/15![Delta logo]()
$965
This American Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/159:45 pm
DFW
- OPO
1 stop12h 15m
American Airlines
Wed 7/228:20 am
OPO
- DFW
2 stops18h 10m
American Airlines
Deal found 6/15![American Airlines logo]()
$961
This Gotogate deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:25 pm
DFW
- OPO
1 stop12h 35m
Multiple Airlines
Wed 7/2211:20 am
OPO
- DFW
1 stop16h 24m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,011
This Priceline deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:50 am
DFW
- OPO
2 stops15h 50m
Iberia
Thu 7/238:20 am
OPO
- DFW
1 stop13h 55m
Iberia
Deal found 6/16![Iberia logo]()
$1,015
This Expedia deal was found by Cheapflights users on 6/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:45 pm
DFW
- OPO
2 stops28h 15m
Multiple Airlines
Sun 7/2612:15 pm
OPO
- DFW
1 stop15h 29m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,031
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/2912:25 pm
DFW
- OPO
1 stop12h 35m
United Airlines
Wed 8/511:20 am
OPO
- DFW
2 stops34h 28m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,013
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 June 19, 2026.
Search for one-way flight options from Dallas to Porto. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:28 am
DFW
- OPO
3 stops42h 57m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:11 pm
DFW
- OPO
3 stops55h 14m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:55 pm
DFW
- OPO
3 stops56h 35m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/128:14 pm
DFW
- OPO
3 stops43h 41m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$350
This Air France deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 10/138:45 am
DFW
- OPO
1 stop19h 45m
Air France
Deal found 6/15![Air France logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:35 pm
DFW
- OPO
2 stops36h 10m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$406
This Mytrip deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 10/1312:25 pm
DFW
- OPO
3 stops25h 15m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$412
This KLM deal was found by Cheapflights users on 6/14. 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 9/2812:05 pm
DAL
- OPO
2 stops16h 25m
KLM
Deal found 6/14![KLM logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1612:10 pm
DFW
- OPO
3 stops36h 40m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:50 pm
DFW
- OPO
2 stops25h 00m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:05 am
DAL
- OPO
3 stops42h 45m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$597
This KLM deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:19 pm
DAL
- OPO
2 stops16h 11m
KLM
Deal found 6/18![KLM logo]()
$621
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 June 19, 2026.
Round-trip from | $812 (oojo) |
|---|---|
One-way from | $336 (Kiwi.com) |
Popular in | July |
Cheapest in | December |
Average price | $1,082 |
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 June 19, 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
DAL - OPO
DALOPO
Dallas Love Field
Wed 11/4
8:00 am-9:05 am
2 stops19h 05m
Porto
Thu 11/12
5:00 am-8:36 pm
2 stops21h 36m
$846
DallasPorto
DAL - OPO
DALOPO
Dallas Love Field
Wed 11/4
12:01 pm-9:05 am
2 stops15h 04m
Porto
Tue 11/10
5:40 am-5:50 pm
2 stops18h 10m
$853
DallasPorto
DFW - OPO
DFWOPO
Dallas/Fort Worth
Wed 10/14
3:45 pm-3:25 pm
1 stop17h 40m
Porto
Tue 10/20
5:00 am-5:51 pm
2 stops18h 51m
$866
DallasPorto
DFW - OPO
DFWOPO
Dallas/Fort Worth
Tue 10/13
3:45 pm-3:25 pm
1 stop17h 40m
Porto
Fri 10/16
5:55 am-10:03 pm
2 stops22h 08m
$873
DallasPorto
DFW - OPO
DFWOPO
Dallas/Fort Worth
Wed 8/19
12:25 pm-7:00 am
1 stop12h 35m
Porto
Wed 8/26
11:20 am-3:00 pm
2 stops33h 40m
$917
DallasPorto
DAL - OPO
DALOPO
Dallas Love Field
Wed 8/19
2:57 pm-3:25 pm
2 stops18h 28m
Porto
Wed 8/26
5:00 am-10:26 pm
2 stops23h 26m
$935
DallasPorto
DFW - OPO
DFWOPO
Dallas/Fort Worth
Wed 7/29
12:25 pm-7:00 am
1 stop12h 35m
Porto
Wed 8/5
11:20 am-3:48 pm
2 stops34h 28m
$1,013
DallasPorto
DFW - OPO
DFWOPO
Dallas/Fort Worth
Sun 9/6
1:01 pm-6:55 am
1 stop11h 54m
Porto
Tue 9/15
12:15 pm-3:16 pm
3 stops33h 01m
$1,014
DallasPorto
DFW - OPO
DFWOPO
Dallas/Fort Worth
Mon 8/31
3:28 pm-3:25 pm
2 stops17h 57m
Porto
Sun 9/6
5:00 am-7:31 pm
2 stops20h 31m
$1,018
DallasPorto
DFW - OPO
DFWOPO
Dallas/Fort Worth
Fri 9/11
8:10 am-10:30 am
1 stop20h 20m
Porto
Fri 9/18
11:25 am-11:59 pm
2 stops18h 34m
$1,024
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 $414). Flying from Dallas to Porto in July is currently the most expensive (average of $873). 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?
How far ahead should I book a flight from Dallas to Porto?
Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas to Porto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 June 19, 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.
Food
7.5
Crew
7.8
Entertainment
7.5
Overall
7.4
Comfort
7.3
Boarding
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Food
7.5
Crew
7.8
Entertainment
7.5
Overall
7.4
Comfort
7.3
Boarding
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Food
7.5
Crew
7.8
Entertainment
7.5
Overall
7.4
Comfort
7.3
Boarding
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Food
7.5
Crew
7.8
Entertainment
7.5
Overall
7.4
Comfort
7.3
Boarding
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Food
7.5
Crew
7.8
Entertainment
7.5
Overall
7.4
Comfort
7.3
Boarding
7.3
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
Aveiro
Arcos de Valdevez
Coimbra
Browse thousands of different options on Cheapflights for your next trip
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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 June 19, 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 June 19, 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 June 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$584 | Average$933 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$589 | Average$847 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$653 | Average$776 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$699 | Average$1,069 | FlexibilityNo cancel fee | On-time69% |