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Cheap flights from Portugal to Dallas from $369

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 10/28. 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
1 adult, Economy, 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.
Multiple Airlines Logo
6:35 am - 4:31 pmLIS  Lisbon Humberto Delgado-DFW Dallas/Fort Worth
39h 56m2 stops Madrid Barajas Newark
Multiple Airlines Logo
1:50 pm - 7:40 amDFW  Dallas/Fort Worth-LIS Lisbon Humberto Delgado
11h 50m1 stop Madrid Barajas
$780Multiple Airlines
Mon, Oct 19 - Sun, Nov 8
Multiple Airlines Logo
12:30 pm - 1:39 amLIS  Lisbon Humberto Delgado-DFW Dallas/Fort Worth
19h 09m2 stops Madrid Barajas New York John F Kennedy Intl
Multiple Airlines Logo
1:50 pm - 7:40 amDFW  Dallas/Fort Worth-LIS Lisbon Humberto Delgado
11h 50m1 stop Madrid Barajas
$804Multiple Airlines
Thu, Nov 19 - Sun, Nov 29
Multiple Airlines Logo
8:20 am - 1:39 amLIS  Lisbon Humberto Delgado-DFW Dallas/Fort Worth
23h 19m2 stops Madrid Barajas New York John F Kennedy Intl
Multiple Airlines Logo
5:20 pm - 3:25 pmDFW  Dallas/Fort Worth-LIS Lisbon Humberto Delgado
16h 05m1 stop Helsinki-Vantaa
$812Multiple Airlines
Tue, Nov 3 - Tue, Nov 10
Multiple Airlines Logo
10:15 am - 5:30 amLIS  Lisbon Humberto Delgado-DFW Dallas/Fort Worth
25h 15m2 stops Zurich Madrid Barajas
Multiple Airlines Logo
1:50 pm - 7:40 amDFW  Dallas/Fort Worth-LIS Lisbon Humberto Delgado
11h 50m1 stop Madrid Barajas
$813Multiple Airlines
Fri, Nov 20 - Sun, Nov 29
Multiple Airlines Logo
6:05 am - 5:30 amLIS  Lisbon Humberto Delgado-DFW Dallas/Fort Worth
29h 25m2 stops Zurich Madrid Barajas
Multiple Airlines Logo
1:50 pm - 7:40 amDFW  Dallas/Fort Worth-LIS Lisbon Humberto Delgado
11h 50m1 stop Madrid Barajas
$818Multiple Airlines
Mon, Nov 23 - Sun, Nov 29
Multiple Airlines Logo
12:30 pm - 1:39 amLIS  Lisbon Humberto Delgado-DFW Dallas/Fort Worth
19h 09m2 stops Madrid Barajas New York John F Kennedy Intl
Multiple Airlines Logo
4:55 pm - 3:25 pmDFW  Dallas/Fort Worth-LIS Lisbon Humberto Delgado
16h 30m1 stop Helsinki-Vantaa
$819Multiple Airlines
Thu, Nov 19 - Tue, Dec 1
Multiple Airlines Logo
8:35 am - 5:30 amLIS  Lisbon Humberto Delgado-DFW Dallas/Fort Worth
26h 55m2 stops Geneva Geneve-Cointrin Madrid Barajas
Multiple Airlines Logo
1:50 pm - 7:40 amDFW  Dallas/Fort Worth-LIS Lisbon Humberto Delgado
11h 50m1 stop Madrid Barajas
$821Multiple Airlines
Sat, Nov 21 - Sun, Nov 29
Multiple Airlines Logo
8:35 am - 5:30 amLIS  Lisbon Humberto Delgado-DFW Dallas/Fort Worth
26h 55m2 stops Geneva Geneve-Cointrin Madrid Barajas
Multiple Airlines Logo
4:55 pm - 3:25 pmDFW  Dallas/Fort Worth-LIS Lisbon Humberto Delgado
16h 30m1 stop Helsinki-Vantaa
$836Multiple Airlines
Sat, Nov 21 - Tue, Dec 1
Multiple Airlines Logo
8:20 am - 7:50 pmLIS  Lisbon Humberto Delgado-DFW Dallas/Fort Worth
17h 30m2 stops Madrid Barajas Chicago O'Hare Intl
Multiple Airlines Logo
7:35 am - 8:00 amDFW  Dallas/Fort Worth-LIS Lisbon Humberto Delgado
18h 25m1 stop New York John F Kennedy Intl
$842Multiple Airlines
Fri, Nov 20 - Mon, Nov 30
Multiple Airlines Logo
9:10 am - 2:18 pmLIS  Lisbon Humberto Delgado-DFW Dallas/Fort Worth
35h 08m2 stops Barcelona-El Prat Miami
Multiple Airlines Logo
9:45 pm - 11:25 pmDFW  Dallas/Fort Worth-LIS Lisbon Humberto Delgado
19h 40m1 stop Madrid Barajas
$846Multiple Airlines
Wed, Oct 7 - Tue, Oct 13

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Delta flights from Portugal to Dallas/Fort Worth Airport

Our best Delta deals on Portugal to Dallas/Fort Worth Airport flight tickets
Delta
Sep 3
OPO11:35 amPorto
18h 24m
2 stops
DFW11:59 pmDallas/Fort Worth
Sep 8
DFW3:13 pmDallas/Fort Worth
18h 12m
2 stops
OPO3:25 pmPorto
$934
Delta
Sep 3
OPO11:35 amPorto
18h 24m
2 stops
DFW11:59 pmDallas/Fort Worth
Sep 8
DFW3:13 pmDallas/Fort Worth
18h 12m
2 stops
OPO3:25 pmPorto
$935
Delta
Sep 3
OPO11:35 amPorto
18h 24m
2 stops
DFW11:59 pmDallas/Fort Worth
Sep 8
DFW3:13 pmDallas/Fort Worth
18h 12m
2 stops
OPO3:25 pmPorto
$936

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
Oct 30
OPO12:35 pmPorto
16h 24m
1 stop
DFW11:59 pmDallas/Fort Worth
Nov 6
DFW2:40 pmDallas/Fort Worth
12h 50m
1 stop
OPO9:30 amPorto
$855
United Airlines
Oct 19
LIS10:25 amLisbon Humberto Delgado
16h 24m
1 stop
DFW8:49 pmDallas/Fort Worth
Nov 8
DFW12:28 pmDallas/Fort Worth
15h 37m
1 stop
LIS10:05 amLisbon Humberto Delgado
$865
United Airlines
Oct 28
OPO12:35 pmPorto
16h 24m
1 stop
DFW11:59 pmDallas/Fort Worth
Nov 5
DFW2:40 pmDallas/Fort Worth
12h 50m
1 stop
OPO9:30 amPorto
$870

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 August 14, 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

LisbonDallas

LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth

LISDFW

Lisbon Humberto Delgado

Mon 10/19

6:35 am-4:31 pm

2 stops39h 56m

Dallas/Fort Worth

Sun 11/8

1:50 pm-7:40 am

1 stop11h 50m

$780
Quickest round-trip

LisbonDallas

LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth

LISDFW

Lisbon Humberto Delgado

Thu 11/19

12:30 pm-1:39 am

2 stops19h 09m

Dallas/Fort Worth

Sun 11/29

1:50 pm-7:40 am

1 stop11h 50m

$804

LisbonDallas

LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth

LISDFW

Lisbon Humberto Delgado

Tue 11/3

8:20 am-1:39 am

2 stops23h 19m

Dallas/Fort Worth

Tue 11/10

5:20 pm-3:25 pm

1 stop16h 05m

$812

LisbonDallas

LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth

LISDFW

Lisbon Humberto Delgado

Fri 11/20

10:15 am-5:30 am

2 stops25h 15m

Dallas/Fort Worth

Sun 11/29

1:50 pm-7:40 am

1 stop11h 50m

$813

LisbonDallas

LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth

LISDFW

Lisbon Humberto Delgado

Mon 11/23

6:05 am-5:30 am

2 stops29h 25m

Dallas/Fort Worth

Sun 11/29

1:50 pm-7:40 am

1 stop11h 50m

$818

LisbonDallas

LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth

LISDFW

Lisbon Humberto Delgado

Thu 11/19

12:30 pm-1:39 am

2 stops19h 09m

Dallas/Fort Worth

Tue 12/1

4:55 pm-3:25 pm

1 stop16h 30m

$819

LisbonDallas

LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth

LISDFW

Lisbon Humberto Delgado

Sat 11/21

8:35 am-5:30 am

2 stops26h 55m

Dallas/Fort Worth

Sun 11/29

1:50 pm-7:40 am

1 stop11h 50m

$821

LisbonDallas

LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth

LISDFW

Lisbon Humberto Delgado

Sat 11/21

8:35 am-5:30 am

2 stops26h 55m

Dallas/Fort Worth

Tue 12/1

4:55 pm-3:25 pm

1 stop16h 30m

$836

LisbonDallas

LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth

LISDFW

Lisbon Humberto Delgado

Fri 11/20

8:20 am-7:50 pm

2 stops17h 30m

Dallas/Fort Worth

Mon 11/30

7:35 am-8:00 am

1 stop18h 25m

$842

LisbonDallas

LIS Lisbon Humberto Delgado - DFW Dallas/Fort Worth

LISDFW

Lisbon Humberto Delgado

Wed 10/7

9:10 am-2:18 pm

2 stops35h 08m

Dallas/Fort Worth

Tue 10/13

9:45 pm-11:25 pm

1 stop19h 40m

$846

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 June. Flight prices, which tend to average around $794, 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 June, then September is your next best option. Flight prices from Portugal to Dallas/Fort Worth Airport during September average around $857.

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

You could potentially save up to 17% 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

13h 40m

Direct flights

None
The fastest flight from Portugal to Dallas/Fort Worth Airport takes 13h 40m
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.
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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
Grapevine
Plano
Irving
Frisco
Denton
Thackerville
Richardson
Lewisville
Garland
Grand Prairie
Burleson
Addison
Durant
Mansfield
Rockwall
Waxahachie
Allen
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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