$380+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
Jul 9 — Jul 161
Round-trip
1 adult, Economy
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Find cheap flights from Dallas to Porto with Cheapflights
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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 9, 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 9, 2026.
This Justfly.com deal was found by Cheapflights users on 6/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:25 pm
DFW
- OPO
2 stops39h 40m
Scandinavian Airlines
Wed 11/1811:55 am
OPO
- DFW
2 stops39h 12m
Scandinavian Airlines
Deal found 6/9![Scandinavian Airlines logo]()
$760
This Justfly.com deal was found by Cheapflights users on 6/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:25 pm
DFW
- OPO
2 stops39h 40m
Scandinavian Airlines
Mon 11/1611:55 am
OPO
- DFW
2 stops39h 12m
Scandinavian Airlines
Deal found 6/9![Scandinavian Airlines logo]()
$790
This Turkish Airlines deal was found by Cheapflights users on 6/8. 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.
Sun 11/19:10 pm
DFW
- OPO
1 stop30h 45m
Turkish Airlines
Wed 11/1110:55 am
OPO
- DFW
1 stop37h 30m
Turkish Airlines
Deal found 6/8![Turkish Airlines logo]()
$837
This Expedia deal was found by Cheapflights users on 6/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:45 pm
DFW
- OPO
1 stop12h 15m
Iberia
Mon 11/28:40 pm
OPO
- DFW
1 stop14h 50m
Iberia
Deal found 6/7![Iberia logo]()
$838
This Delta deal was found by Cheapflights users on 6/9. 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.
Wed 12/24:05 pm
DFW
- OPO
1 stop12h 25m
Delta
Fri 12/115:00 am
OPO
- DFW
2 stops23h 33m
Delta
Deal found 6/9![Delta logo]()
$840
This Delta deal was found by Cheapflights users on 6/9. 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.
Sun 11/297:00 am
DFW
- OPO
1 stop20h 05m
Delta
Tue 12/85:00 am
OPO
- DFW
2 stops23h 33m
Delta
Deal found 6/9![Delta logo]()
$841
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:58 am
DFW
- OPO
2 stops16h 42m
American Airlines
Wed 11/1112:25 pm
OPO
- DFW
1 stop23h 05m
American Airlines
Deal found 6/8![American Airlines logo]()
$842
This Delta deal was found by Cheapflights users on 6/9. 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 12/110:45 am
DFW
- OPO
2 stops17h 45m
Delta
Fri 12/1111:15 am
OPO
- DFW
2 stops17h 18m
Delta
Deal found 6/9![Delta logo]()
$845
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:40 am
DFW
- OPO
2 stops17h 25m
Delta
Wed 12/235:00 am
OPO
- DFW
2 stops23h 33m
Delta
Deal found 6/6![Delta logo]()
$846
This Delta deal was found by Cheapflights users on 6/9. 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.
Sat 11/286:45 pm
DFW
- OPO
1 stop32h 20m
Delta
Tue 12/85:00 am
OPO
- DFW
2 stops23h 33m
Delta
Deal found 6/9![Delta logo]()
$848
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:45 pm
DFW
- OPO
1 stop13h 20m
Delta
Thu 12/311:00 am
OPO
- DFW
1 stop16h 50m
Delta
Deal found 6/6![Delta logo]()
$849
This Delta deal was found by Cheapflights users on 6/9. 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.
Mon 11/24:05 pm
DFW
- OPO
1 stop12h 25m
Delta
Mon 11/1611:25 am
OPO
- DFW
1 stop32h 35m
Delta
Deal found 6/9![Delta logo]()
$850
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 9, 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 9, 2026.
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:40 am
DFW
- OPO
2 stops17h 25m
Delta
Wed 12/235:00 am
OPO
- DFW
2 stops23h 33m
Delta
Deal found 6/6![Delta logo]()
$846
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:33 am
DFW
- OPO
2 stops16h 07m
American Airlines
Thu 10/88:20 am
OPO
- DFW
2 stops19h 18m
American Airlines
Deal found 6/4![American Airlines logo]()
$904
This KLM deal was found by Cheapflights users on 6/5. 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 8/193:45 pm
DFW
- OPO
1 stop17h 40m
KLM
Wed 8/265:00 am
OPO
- DFW
2 stops18h 17m
KLM
Deal found 6/5![KLM logo]()
$931
This Air France deal was found by Cheapflights users on 6/8. 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 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 31m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$935
This Turkish Airlines deal was found by Cheapflights users on 6/6. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:30 pm
DFW
- OPO
1 stop36h 10m
Turkish Airlines
Fri 9/1810:40 am
OPO
- DFW
2 stops41h 55m
Turkish Airlines
Deal found 6/6![Turkish Airlines logo]()
$985
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:25 pm
DFW
- OPO
1 stop12h 35m
United Airlines
Fri 7/1712:35 pm
OPO
- DFW
1 stop15h 09m
United Airlines
Deal found 6/9![United Airlines logo]()
$1,020
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:01 pm
DAL
- OPO
2 stops15h 04m
Delta
Thu 12/311:00 am
OPO
- DAL
2 stops17h 32m
Delta
Deal found 6/6![Delta logo]()
$853
This Delta deal was found by Cheapflights users on 6/9. 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.
Wed 12/212:01 pm
DAL
- OPO
2 stops15h 04m
Delta
Thu 12/1011:00 am
OPO
- DAL
2 stops17h 32m
Delta
Deal found 6/9![Delta logo]()
$853
This KLM deal was found by Cheapflights users on 6/6. 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.
Wed 10/1412:01 pm
DAL
- OPO
2 stops16h 39m
Multiple Airlines
Tue 10/201:05 pm
OPO
- DAL
2 stops15h 27m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,009
This Delta deal was found by Cheapflights users on 6/9. 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.
Sun 11/298:00 am
DAL
- OPO
2 stops19h 05m
Delta
Thu 12/1011:00 am
OPO
- DAL
2 stops17h 32m
Delta
Deal found 6/9![Delta logo]()
$853
This KLM deal was found by Cheapflights users on 6/7. 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 7/2012:19 pm
DAL
- OPO
2 stops16h 11m
KLM
Wed 8/55:55 am
OPO
- DAL
2 stops17h 48m
KLM
Deal found 6/7![KLM logo]()
$1,081
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Mon 7/2012:25 pm
DFW
- OPO
1 stop12h 35m
United Airlines
Mon 7/2712:35 pm
OPO
- DFW
1 stop15h 09m
United Airlines
Deal found 6/5![United Airlines logo]()
$1,103
This Delta deal was found by Cheapflights users on 6/9. 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.
Sun 11/110:20 am
DAL
- OPO
2 stops16h 45m
Delta
Thu 11/1911:00 am
OPO
- DAL
2 stops17h 32m
Delta
Deal found 6/9![Delta logo]()
$853
This KLM deal was found by Cheapflights users on 6/5. 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.
Mon 7/2012:19 pm
DAL
- OPO
2 stops16h 11m
KLM
Mon 7/2711:25 am
OPO
- DAL
2 stops27h 56m
KLM
Deal found 6/5![KLM logo]()
$1,102
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:00 am
DFW
- OPO
2 stops19h 30m
Delta
Wed 8/265:00 am
OPO
- DFW
2 stops18h 36m
Delta
Deal found 6/5![Delta logo]()
$935
This KLM deal was found by Cheapflights users on 6/7. 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.
Fri 9/1112:01 pm
DAL
- OPO
2 stops16h 29m
KLM
Fri 9/185:55 am
OPO
- DAL
2 stops18h 07m
KLM
Deal found 6/7![KLM logo]()
$1,154
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:18 pm
DFW
- OPO
2 stops20h 07m
Delta
Sat 10/315:00 am
OPO
- DFW
2 stops22h 33m
Delta
Deal found 6/8![Delta logo]()
$981
This Delta deal was found by Cheapflights users on 6/7. 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 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 05m
Delta
Deal found 6/7![Delta logo]()
$1,065
Last-minute flights from Dallas to PortoDiscover last-minute flight deals from Dallas to Porto. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Dallas to Porto. Data last updated June 9, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 6/9. 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 KLM 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
KLM
Wed 9/305:55 am
OPO
- DAL
2 stops18h 07m
KLM
Deal found 6/9![KLM logo]()
$1,201
This Travelocity deal was found by Cheapflights users on 6/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:45 pm
DFW
- OPO
2 stops28h 15m
Air Canada
Tue 7/1412:15 pm
OPO
- DFW
1 stop15h 29m
Air Canada
Deal found 6/7![Air Canada logo]()
$942
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/77:30 pm
DFW
- OPO
2 stops29h 30m
United Airlines
Tue 7/1412:15 pm
OPO
- DFW
2 stops32h 48m
United Airlines
Deal found 6/7![United Airlines logo]()
$945
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 7/147:15 am
DFW
- OPO
1 stop17h 00m
United Airlines
Tue 7/2112:15 pm
OPO
- DFW
2 stops32h 48m
United Airlines
Deal found 6/8![United Airlines logo]()
$941
This Air France deal was found by Cheapflights users on 6/8. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:59 pm
DAL
- OPO
2 stops17h 26m
Multiple Airlines
Tue 7/215:00 am
OPO
- DAL
2 stops23h 25m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$958
This Travelocity deal was found by Cheapflights users on 6/5. 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 Travelocity 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
Air Canada
Wed 7/2211:20 am
OPO
- DFW
1 stop16h 24m
Air Canada
Deal found 6/5![Air Canada logo]()
$934
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:25 pm
DFW
- OPO
1 stop12h 35m
United Airlines
Wed 7/2211:20 am
OPO
- DFW
2 stops39h 05m
United Airlines
Deal found 6/5![United Airlines logo]()
$940
This Air France deal was found by Cheapflights users on 6/5. 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.
Wed 7/1512:19 pm
DAL
- OPO
2 stops16h 21m
Multiple Airlines
Wed 7/225:55 am
OPO
- DAL
2 stops17h 59m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,273
This Gotogate deal was found by Cheapflights users on 6/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:25 pm
DFW
- OPO
1 stop12h 35m
Air Canada
Wed 8/511:20 am
OPO
- DFW
1 stop16h 14m
Air Canada
Deal found 6/7![Air Canada logo]()
$913
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:19 pm
DAL
- OPO
2 stops16h 11m
Delta
Wed 8/55:55 am
OPO
- DAL
2 stops17h 48m
Delta
Deal found 6/5![Delta logo]()
$953
This KLM deal was found by Cheapflights users on 6/7. 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 7/2012:19 pm
DAL
- OPO
2 stops16h 11m
KLM
Wed 8/55:55 am
OPO
- DAL
2 stops17h 48m
KLM
Deal found 6/7![KLM logo]()
$1,081
This KLM deal was found by Cheapflights users on 6/5. 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.
Mon 7/2012:19 pm
DAL
- OPO
2 stops16h 11m
KLM
Mon 7/2711:25 am
OPO
- DAL
2 stops27h 56m
KLM
Deal found 6/5![KLM logo]()
$1,102
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 9, 2026.
Search for one-way flight options from Dallas to Porto. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Wed 9/235:20 pm
DFW
- OPO
2 stops44h 15m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:18 pm
DFW
- OPO
3 stops57h 22m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Mon 9/218:55 pm
DFW
- OPO
3 stops36h 10m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:18 pm
DFW
- OPO
3 stops46h 02m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:26 pm
DFW
- OPO
2 stops19h 59m
Delta
Deal found 6/6![Delta logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:50 am
DFW
- OPO
3 stops31h 20m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$447
This Air Canada deal was found by Cheapflights users on 6/7. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:25 pm
DFW
- OPO
1 stop12h 35m
Air Canada
Deal found 6/7![Air Canada logo]()
$462
This KLM deal was found by Cheapflights users on 6/8. 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.
Sun 9/1312:01 pm
DAL
- OPO
2 stops16h 24m
KLM
Deal found 6/8![KLM logo]()
$506
This Trip.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:59 pm
DAL
- OPO
2 stops20h 16m
Air France
Deal found 6/4![Air France logo]()
$551
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:55 pm
DAL
- OPO
3 stops47h 25m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$605
This KLM deal was found by Cheapflights users on 6/6. 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.
Mon 9/2112:05 pm
DAL
- OPO
2 stops16h 35m
KLM
Deal found 6/6![KLM logo]()
$635
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Mon 9/213:59 pm
DAL
- OPO
3 stops49h 11m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$659
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 9, 2026.
Round-trip from | $760 (Justfly.com) |
|---|---|
One-way from | $380 (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 9, 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 - OPO
DFWOPO
Dallas/Fort Worth
Sun 12/6
9:40 am-9:05 am
2 stops17h 25m
Porto
Wed 12/23
5:00 am-10:33 pm
2 stops23h 33m
$846
DallasPorto
DAL - OPO
DALOPO
Dallas Love Field
Sun 11/15
12:01 pm-9:05 am
2 stops15h 04m
Porto
Thu 12/3
11:00 am-10:32 pm
2 stops17h 32m
$853
DallasPorto
DAL - OPO
DALOPO
Dallas Love Field
Wed 12/2
12:01 pm-9:05 am
2 stops15h 04m
Porto
Thu 12/10
11:00 am-10:32 pm
2 stops17h 32m
$853
DallasPorto
DAL - OPO
DALOPO
Dallas Love Field
Sun 11/29
8:00 am-9:05 am
2 stops19h 05m
Porto
Thu 12/10
11:00 am-10:32 pm
2 stops17h 32m
$853
DallasPorto
DAL - OPO
DALOPO
Dallas Love Field
Sun 11/1
10:20 am-9:05 am
2 stops16h 45m
Porto
Thu 11/19
11:00 am-10:32 pm
2 stops17h 32m
$853
DallasPorto
DFW - OPO
DFWOPO
Dallas/Fort Worth
Tue 9/22
9:33 am-7:40 am
2 stops16h 07m
Porto
Thu 10/8
8:20 am-9:38 pm
2 stops19h 18m
$904
DallasPorto
DFW - OPO
DFWOPO
Dallas/Fort Worth
Wed 8/19
3:45 pm-3:25 pm
1 stop17h 40m
Porto
Wed 8/26
5:00 am-5:17 pm
2 stops18h 17m
$931
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-10:31 pm
2 stops23h 31m
$935
DallasPorto
DFW - OPO
DFWOPO
Dallas/Fort Worth
Wed 8/19
7:00 am-8:30 am
2 stops19h 30m
Porto
Wed 8/26
5:00 am-5:36 pm
2 stops18h 36m
$935
DallasPorto
DFW - OPO
DFWOPO
Dallas/Fort Worth
Fri 10/23
1:18 pm-3:25 pm
2 stops20h 07m
Porto
Sat 10/31
5:00 am-10:33 pm
2 stops22h 33m
$981
Showing 1-10 of 38 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 9, 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.
Crew
7.8
Comfort
7.3
Overall
7.4
Entertainment
7.5
Boarding
7.3
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Crew
7.8
Comfort
7.3
Overall
7.4
Entertainment
7.5
Boarding
7.3
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Crew
7.8
Comfort
7.3
Overall
7.4
Entertainment
7.5
Boarding
7.3
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Crew
7.8
Comfort
7.3
Overall
7.4
Entertainment
7.5
Boarding
7.3
Food
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
MIA - IST
Crew
7.8
Comfort
7.3
Overall
7.4
Entertainment
7.5
Boarding
7.3
Food
7.5
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
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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
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Dallas and Porto flights
Browse other Dallas and Porto flight options. Last updated on June 9, 2026.
Popular flight searches
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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 9, 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$588 | Average$960 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$589 | Average$847 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$653 | Average$770 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$699 | Average$1,069 | FlexibilityNo cancel fee | On-time69% |