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Cheap flights from Portugal to Dallas from $463

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Dallas departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from Portugal to Dallas

Recent round-trip flight deals from Portugal to Dallas

Enter your travel dates to find the best prices.
United Airlines Logo
12:20 pm - 8:25 pm
LIS
-
DFW
14h 05m
1 stop
United Airlines Logo
5:25 pm - 10:30 am
DFW
-
LIS
11h 05m
1 stop
$849United Airlines
Wed, Sep 2 - Wed, Sep 30
British Airways Logo
6:55 pm - 1:10 pm
LIS
-
DFW
24h 15m
1 stop
British Airways Logo
10:59 pm - 11:10 pm
DFW
-
LIS
18h 11m
1 stop
$909British Airways
Sat, Oct 3 - Sat, Oct 17
Multiple Airlines Logo
6:55 pm - 1:10 pm
LIS
-
DFW
24h 15m
1 stop
Multiple Airlines Logo
7:40 pm - 4:20 pm
DFW
-
LIS
14h 40m
1 stop
$914Multiple Airlines
Sat, Oct 3 - Sat, Oct 17
Multiple Airlines Logo
6:55 pm - 3:20 pm
LIS
-
DFW
26h 25m
1 stop
Multiple Airlines Logo
2:15 pm - 11:25 pm
DFW
-
LIS
27h 10m
2 stops
$928Multiple Airlines
Sat, Oct 3 - Sat, Oct 17
Lufthansa Logo
5:05 am - 2:15 pm
LIS
-
DFW
15h 10m
1 stop
Lufthansa Logo
4:00 pm - 10:15 pm
DFW
-
LIS
24h 15m
1 stop
$933Lufthansa
Thu, May 28 - Wed, Jun 10
Lufthansa Logo
5:05 am - 1:35 pm
LIS
-
DFW
14h 30m
1 stop
Lufthansa Logo
5:15 pm - 10:50 pm
DFW
-
LIS
24h 35m
1 stop
$942Lufthansa
Fri, Oct 2 - Fri, Oct 30
Delta Logo
5:00 am - 5:37 pm
OPO
-
DFW
18h 37m
2 stops
Delta Logo
4:51 pm - 3:25 pm
DFW
-
OPO
16h 34m
2 stops
$964Delta
Mon, Jun 15 - Mon, Jun 22
Delta Logo
5:00 am - 9:04 pm
OPO
-
DFW
22h 04m
2 stops
Delta Logo
8:15 am - 10:20 am
DFW
-
OPO
20h 05m
1 stop
$967Delta
Sat, Jun 6 - Sat, Jun 13
KLM Logo
5:55 am - 1:35 pm
OPO
-
DFW
13h 40m
1 stop
KLM Logo
8:10 am - 10:30 am
DFW
-
OPO
20h 20m
1 stop
$968KLM
Thu, May 21 - Thu, May 28
KLM Logo
5:55 am - 1:35 pm
OPO
-
DFW
13h 40m
1 stop
KLM Logo
8:10 am - 10:30 am
DFW
-
OPO
20h 20m
1 stop
$970KLM
Thu, May 21 - Wed, May 27

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United Airlines flights from Portugal to Dallas/Fort Worth Airport

Our best United Airlines deals on Portugal to Dallas/Fort Worth Airport flight tickets
United Airlines
Sep 2
LIS12:20 pmLisbon Humberto Delgado
14h 05m
1 stop
DFW8:25 pmDallas/Fort Worth
Sep 30
DFW5:25 pmDallas/Fort Worth
11h 05m
1 stop
LIS10:30 amLisbon Humberto Delgado
$849
United Airlines
May 21
OPO6:00 amPorto
22h 31m
2 stops
DFW10:31 pmDallas/Fort Worth
May 27
DFW1:00 pmDallas/Fort Worth
11h 55m
1 stop
OPO6:55 amPorto
$958
United Airlines
May 21
OPO6:00 amPorto
20h 25m
2 stops
DFW8:25 pmDallas/Fort Worth
May 27
DFW1:00 pmDallas/Fort Worth
11h 55m
1 stop
OPO6:55 amPorto
$960

British Airways flights from Portugal to Dallas/Fort Worth Airport

Our best British Airways deals on Portugal to Dallas/Fort Worth Airport flight tickets
British Airways
Oct 3
LIS6:55 pmLisbon Humberto Delgado
24h 15m
1 stop
DFW1:10 pmDallas/Fort Worth
Oct 17
DFW10:59 pmDallas/Fort Worth
18h 11m
1 stop
LIS11:10 pmLisbon Humberto Delgado
$909
British Airways
Oct 3
LIS6:55 pmLisbon Humberto Delgado
26h 25m
1 stop
DFW3:20 pmDallas/Fort Worth
Oct 16
DFW7:40 pmDallas/Fort Worth
16h 20m
1 stop
LIS6:00 pmLisbon Humberto Delgado
$913
British Airways
Jun 15
LIS11:05 amLisbon Humberto Delgado
17h 54m
1 stop
DFW10:59 pmDallas/Fort Worth
Jul 13
DFW5:45 pmDallas/Fort Worth
18h 10m
1 stop
LIS5:55 pmLisbon Humberto Delgado
$1,002

momondo Fare Finder

 
Customize your flight search to find flights from Portugal to Dallas/Fort Worth Airport 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, momondo users made 832,500 searches. Data last updated May 3, 2026.
Use the filters below to find and compare flights from Portugal to Dallas/Fort Worth Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 9/2

12:20 pm-8:25 pm

1 stop14h 05m

Dallas/Fort Worth

Wed 9/30

5:25 pm-10:30 am

1 stop11h 05m

$849

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sat 10/3

6:55 pm-1:10 pm

1 stop24h 15m

Dallas/Fort Worth

Sat 10/17

10:59 pm-11:10 pm

1 stop18h 11m

$909

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sat 10/3

6:55 pm-1:10 pm

1 stop24h 15m

Dallas/Fort Worth

Sat 10/17

7:40 pm-4:20 pm

1 stop14h 40m

$914

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sat 10/3

6:55 pm-3:20 pm

1 stop26h 25m

Dallas/Fort Worth

Sat 10/17

2:15 pm-11:25 pm

2 stops27h 10m

$928

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 5/28

5:05 am-2:15 pm

1 stop15h 10m

Dallas/Fort Worth

Wed 6/10

4:00 pm-10:15 pm

1 stop24h 15m

$933

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Fri 10/2

5:05 am-1:35 pm

1 stop14h 30m

Dallas/Fort Worth

Fri 10/30

5:15 pm-10:50 pm

1 stop24h 35m

$942

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 6/15

5:00 am-5:37 pm

2 stops18h 37m

Dallas/Fort Worth

Mon 6/22

4:51 pm-3:25 pm

2 stops16h 34m

$964

PortoDallas

OPO - DFW

OPODFW

Porto

Sat 6/6

5:00 am-9:04 pm

2 stops22h 04m

Dallas/Fort Worth

Sat 6/13

8:15 am-10:20 am

1 stop20h 05m

$967

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/21

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Thu 5/28

8:10 am-10:30 am

1 stop20h 20m

$968

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/21

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Wed 5/27

8:10 am-10:30 am

1 stop20h 20m

$970

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dallas from

How to get the cheapest flight ticket from Portugal to Dallas/Fort Worth Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Dallas/Fort Worth Airport?

The cheapest month to fly to Dallas/Fort Worth Airport from Portugal is in May. Flight prices, which tend to average around $313, are often lower during this time because this is during the off-season. If you’re not able to fly to Dallas/Fort Worth Airport in May, then April is your next best option. Flight prices from Portugal to Dallas/Fort Worth Airport during April average around $535.

Can stopping save me money on Portugal to Dallas/Fort Worth Airport flights?

You could potentially save up to 2% on your flight if you consider stops on a Portugal to Dallas/Fort Worth Airport flight.

Cheap Portugal to Dallas/Fort Worth Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portugal to Dallas/Fort Worth Airport

Fastest flight time

14h 05m

Direct flights

None
The fastest flight from Portugal to Dallas/Fort Worth Airport takes 14h 05m
There are no direct flights from Portugal to Dallas/Fort Worth Airport. There are no popular flight routes from Portugal to Dallas/Fort Worth Airport.
Search flight deals

Frequently asked questions about flying from Portugal to Dallas/Fort Worth Airport

  • When did momondo last update prices for flights from Portugal to Dallas/Fort Worth Airport?

    Prices for flights from Portugal to Dallas/Fort Worth Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Portugal to Dallas/Fort Worth Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portugal to Dallas/Fort Worth Airport.

  • What documentation or ID do you need to fly to Dallas/Fort Worth Airport?

    The required travel and health documents for your Dallas/Fort Worth Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dallas/Fort Worth Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Dallas?

Book flights to Dallas if you plan to visit one of these locations
Fort Worth
Arlington
Plano
Frisco
Irving
Grapevine
Denton
Thackerville
Grand Prairie
McKinney
Garland
Durant
Richardson
Lewisville
Rockwall
Addison
Allen
Mansfield
Burleson
Sherman

Why use momondo?

Why should I use momondo to find a flight deal from Portugal to Dallas?

Finding the right flight to Dallas from Portugal is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dallas quick and easy, saving you time and money.

Can I find flights from Portugal to Dallas with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portugal to Dallas flights to just show those with flexible booking policies.

How can momondo help me find flights from Portugal to Dallas?

momondo provides multiple filters to help you find the best flight to Dallas from Portugal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portugal to Dallas right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Dallas, momondo offers a useful price alert feature which will track prices for flights to Dallas from Portugal and alert you when they change.

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