Flights to Sé from Dallas - $438

View $438 flight on Tue, Mar 10, 2026Opens in a new window

Popular airlines from Dallas to Sé

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    Air France

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Cheap Flights from Dallas to Sé (DFW-OPO)

Prices were available within the past 7 days and start at $438 for one-way flights and $590 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Mar 10 - Wed, Mar 18
DFW
Dallas
OPO
Porto
$590 Roundtrip, found 7 hours ago
$590
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Mar 10 from Dallas to Porto, returning Wed, Mar 18, priced at $590 found 7 hours ago
British Airways
Tue, Feb 3 - Wed, Feb 25
DFW
Dallas
OPO
Porto
$594 Roundtrip, found 3 hours ago
$594
Roundtrip
found 3 hours ago
Select British Airways flight, departing Tue, Feb 3 from Dallas to Porto, returning Wed, Feb 25, priced at $594 found 3 hours ago
Iberia
Tue, Feb 3 - Wed, Feb 25
DFW
Dallas
OPO
Porto
$594 Roundtrip, found 3 hours ago
$594
Roundtrip
found 3 hours ago
Select Iberia flight, departing Tue, Feb 3 from Dallas to Porto, returning Wed, Feb 25, priced at $594 found 3 hours ago
American Airlines
Tue, Feb 3 - Wed, Feb 25
DFW
Dallas
OPO
Porto
$594 Roundtrip, found 3 hours ago
$594
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Feb 3 from Dallas to Porto, returning Wed, Feb 25, priced at $594 found 3 hours ago
Air Canada
Mon, Nov 17 - Tue, Nov 25
DFW
Dallas
OPO
Porto
$605 Roundtrip, found 2 hours ago
$605
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Mon, Nov 17 from Dallas to Porto, returning Tue, Nov 25, priced at $605 found 2 hours ago
Lufthansa
Tue, Feb 3 - Wed, Feb 25
DFW
Dallas
OPO
Porto
$619 Roundtrip, found 3 hours ago
$619
Roundtrip
found 3 hours ago
Select Lufthansa flight, departing Tue, Feb 3 from Dallas to Porto, returning Wed, Feb 25, priced at $619 found 3 hours ago

Find the cheapest month to fly from Dallas (DFW) to Porto (OPO)

November is typically the cheapest month to fly

From $492 - $1,170 per traveler.

Graph displaying average flight prices per month

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dr. Francisco de Sa Carneiro OPO. Cheapest option available. Flights from $1,559
OPO
Dr. Francisco de Sa Carneiro
Cheapest
Flights from $1,559
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