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Cheap flights from Portugal to Dallas from $442

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 9/29. 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.
American Airlines Logo
6:30 am - 5:00 pm
LIS
-
DFW
16h 30m
1 stop
American Airlines Logo
5:25 pm - 2:55 pm
DFW
-
LIS
15h 30m
1 stop
$825American Airlines
Thu, Nov 19 - Mon, Nov 23
American Airlines Logo
8:45 pm - 5:30 am
LIS
-
DFW
14h 45m
1 stop
American Airlines Logo
3:45 pm - 12:10 pm
DFW
-
LIS
14h 25m
1 stop
$830American Airlines
Wed, Dec 9 - Wed, Jan 6
American Airlines Logo
8:20 am - 7:28 pm
LIS
-
DFW
17h 08m
2 stops
American Airlines Logo
5:25 pm - 2:55 pm
DFW
-
LIS
15h 30m
1 stop
$831American Airlines
Thu, Nov 19 - Mon, Nov 23
American Airlines Logo
6:35 am - 4:15 pm
LIS
-
DFW
15h 40m
1 stop
American Airlines Logo
5:55 pm - 5:45 pm
DFW
-
LIS
17h 50m
1 stop
$832American Airlines
Tue, Sep 15 - Sun, Oct 11
American Airlines Logo
6:30 am - 5:00 pm
LIS
-
DFW
16h 30m
1 stop
American Airlines Logo
5:25 pm - 2:55 pm
DFW
-
LIS
15h 30m
1 stop
$834American Airlines
Thu, Nov 19 - Mon, Nov 23
Multiple Airlines Logo
12:30 pm - 8:10 pm
LIS
-
DFW
13h 40m
1 stop
Multiple Airlines Logo
9:30 pm - 5:45 pm
DFW
-
LIS
14h 15m
1 stop
$835Multiple Airlines
Fri, Sep 4 - Sun, Sep 20
American Airlines Logo
8:20 am - 9:34 pm
OPO
-
DFW
19h 14m
2 stops
American Airlines Logo
9:47 am - 7:40 am
DFW
-
OPO
15h 53m
2 stops
$836American Airlines
Wed, Sep 30 - Sun, Oct 4
Delta Logo
11:25 am - 12:19 am
OPO
-
DFW
18h 54m
2 stops
Delta Logo
3:10 pm - 3:25 pm
DFW
-
OPO
18h 15m
2 stops
$1,088Delta
Fri, Jul 3 - Sat, Jul 11
Delta Logo
5:55 am - 1:35 pm
OPO
-
DFW
13h 40m
1 stop
Delta Logo
3:10 pm - 3:25 pm
DFW
-
OPO
18h 15m
2 stops
$1,089Delta
Fri, Jul 3 - Sat, Jul 11
Delta Logo
11:25 am - 12:19 am
OPO
-
DFW
18h 54m
2 stops
Delta Logo
3:10 pm - 3:25 pm
DFW
-
OPO
18h 15m
2 stops
$1,090Delta
Fri, Jul 3 - Sat, Jul 11

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American Airlines flights from Portugal to Dallas/Fort Worth Airport

Our best American Airlines deals on Portugal to Dallas/Fort Worth Airport flight tickets
American Airlines
Nov 19
LIS6:30 amLisbon Humberto Delgado
16h 30m
1 stop
DFW5:00 pmDallas/Fort Worth
Nov 23
DFW5:25 pmDallas/Fort Worth
15h 30m
1 stop
LIS2:55 pmLisbon Humberto Delgado
$825
American Airlines
Dec 9
LIS8:45 pmLisbon Humberto Delgado
14h 45m
1 stop
DFW5:30 amDallas/Fort Worth
Jan 6
DFW3:45 pmDallas/Fort Worth
14h 25m
1 stop
LIS12:10 pmLisbon Humberto Delgado
$830
American Airlines
Nov 19
LIS8:20 amLisbon Humberto Delgado
17h 08m
2 stops
DFW7:28 pmDallas/Fort Worth
Nov 23
DFW5:25 pmDallas/Fort Worth
15h 30m
1 stop
LIS2:55 pmLisbon Humberto Delgado
$831

Delta flights from Portugal to Dallas/Fort Worth Airport

Our best Delta deals on Portugal to Dallas/Fort Worth Airport flight tickets
Delta
Jun 22
LIS11:55 amLisbon Humberto Delgado
18h 24m
2 stops
DFW12:19 amDallas/Fort Worth
Jul 7
DFW1:24 pmDallas/Fort Worth
19h 31m
2 stops
LIS2:55 pmLisbon Humberto Delgado
$857
Delta
Dec 9
LIS5:00 amLisbon Humberto Delgado
22h 07m
2 stops
DFW9:07 pmDallas/Fort Worth
Jan 6
DFW4:05 pmDallas/Fort Worth
17h 05m
1 stop
LIS3:10 pmLisbon Humberto Delgado
$859
Delta
Jun 22
LIS12:45 pmLisbon Humberto Delgado
15h 22m
1 stop
DFW10:07 pmDallas/Fort Worth
Jul 8
DFW8:15 amDallas/Fort Worth
18h 35m
2 stops
LIS8:50 amLisbon Humberto Delgado
$874

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 June 19, 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 - DFW

LISDFW

Lisbon Humberto Delgado

Thu 11/19

6:30 am-5:00 pm

1 stop16h 30m

Dallas/Fort Worth

Mon 11/23

5:25 pm-2:55 pm

1 stop15h 30m

$825

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 12/9

8:45 pm-5:30 am

1 stop14h 45m

Dallas/Fort Worth

Wed 1/6

3:45 pm-12:10 pm

1 stop14h 25m

$830

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 11/19

8:20 am-7:28 pm

2 stops17h 08m

Dallas/Fort Worth

Mon 11/23

5:25 pm-2:55 pm

1 stop15h 30m

$831

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Tue 9/15

6:35 am-4:15 pm

1 stop15h 40m

Dallas/Fort Worth

Sun 10/11

5:55 pm-5:45 pm

1 stop17h 50m

$832

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 11/19

6:30 am-5:00 pm

1 stop16h 30m

Dallas/Fort Worth

Mon 11/23

5:25 pm-2:55 pm

1 stop15h 30m

$834
Quickest round-trip

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Fri 9/4

12:30 pm-8:10 pm

1 stop13h 40m

Dallas/Fort Worth

Sun 9/20

9:30 pm-5:45 pm

1 stop14h 15m

$835

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 9/30

8:20 am-9:34 pm

2 stops19h 14m

Dallas/Fort Worth

Sun 10/4

9:47 am-7:40 am

2 stops15h 53m

$836

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 7/3

11:25 am-12:19 am

2 stops18h 54m

Dallas/Fort Worth

Sat 7/11

3:10 pm-3:25 pm

2 stops18h 15m

$1,088

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 7/3

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Sat 7/11

3:10 pm-3:25 pm

2 stops18h 15m

$1,089

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 7/3

11:25 am-12:19 am

2 stops18h 54m

Dallas/Fort Worth

Sat 7/11

3:10 pm-3:25 pm

2 stops18h 15m

$1,090

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 April. Flight prices, which tend to average around $535, 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 April, then August is your next best option. Flight prices from Portugal to Dallas/Fort Worth Airport during August average around $648.

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

You could potentially save up to 3% 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 45m

Direct flights

None
The fastest flight from Portugal to Dallas/Fort Worth Airport takes 14h 45m
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
Plano
Grapevine
Irving
Frisco
Denton
Thackerville
Richardson
McKinney
Grand Prairie
Lewisville
Garland
Addison
Durant
Burleson
Allen
Rockwall
Mansfield
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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