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Cheap flights from Portugal to Dallas from $461

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 9/7. 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

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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.
British Airways Logo
6:55 pm - 1:10 pm
LIS
-
DFW
24h 15m
1 stop
British Airways Logo
7:40 pm - 4:20 pm
DFW
-
LIS
14h 40m
1 stop
$911British Airways
Sat, Oct 3 - Sat, Oct 17
British Airways Logo
6:55 pm - 3:20 pm
LIS
-
DFW
26h 25m
1 stop
British Airways Logo
9:45 pm - 6:05 pm
DFW
-
LIS
14h 20m
1 stop
$912British Airways
Sat, Oct 3 - Sat, Oct 17
Multiple Airlines Logo
7:55 pm - 2:15 pm
OPO
-
DFW
24h 20m
1 stop
Multiple Airlines Logo
10:59 am - 7:40 am
DFW
-
OPO
14h 41m
2 stops
$950Multiple Airlines
Thu, May 28 - Tue, Jun 2
Lufthansa Logo
5:05 am - 2:15 pm
LIS
-
DFW
15h 10m
1 stop
Lufthansa Logo
4:00 pm - 10:10 pm
DFW
-
LIS
24h 10m
1 stop
$958Lufthansa
Thu, May 21 - Thu, Jun 4
United Airlines Logo
6:00 am - 8:25 pm
OPO
-
DFW
20h 25m
2 stops
United Airlines Logo
12:30 pm - 9:45 am
DFW
-
OPO
15h 15m
2 stops
$959United Airlines
Thu, May 21 - Wed, May 27
United Airlines Logo
5:05 am - 1:35 pm
LIS
-
DFW
14h 30m
1 stop
United Airlines Logo
6:00 am - 8:20 am
DFW
-
LIS
20h 20m
1 stop
$960United Airlines
Sat, Oct 3 - Sat, Oct 17
United Airlines Logo
6:00 am - 8:25 pm
OPO
-
DFW
20h 25m
2 stops
United Airlines Logo
7:00 am - 6:55 am
DFW
-
OPO
17h 55m
2 stops
$960United Airlines
Thu, May 21 - Wed, May 27
KLM Logo
5:55 am - 1:35 pm
OPO
-
DFW
13h 40m
1 stop
KLM Logo
3:45 pm - 3:25 pm
DFW
-
OPO
17h 40m
1 stop
$966KLM
Thu, May 21 - Wed, May 27
KLM Logo
5:55 am - 1:35 pm
OPO
-
DFW
13h 40m
1 stop
KLM Logo
8:45 am - 10:25 am
DFW
-
OPO
19h 40m
1 stop
$969KLM
Fri, Oct 2 - Sun, Oct 11
Multiple Airlines Logo
8:40 am - 10:26 pm
OPO
-
DFW
19h 46m
2 stops
Multiple Airlines Logo
2:15 pm - 4:00 pm
DFW
-
OPO
19h 45m
2 stops
$996Multiple Airlines
Fri, Oct 2 - Sun, Oct 11

Delta flights from Portugal to Dallas

Our best Delta deals on Portugal to Dallas flight tickets
Delta
May 21
OPO5:00 amPorto
18h 42m
2 stops
DFW5:42 pmDallas/Fort Worth
May 27
DFW12:17 pmDallas/Fort Worth
21h 08m
2 stops
OPO3:25 pmPorto
$967
Delta
May 27
LIS5:00 amLisbon Humberto Delgado
18h 42m
2 stops
DFW5:42 pmDallas/Fort Worth
Jun 8
DFW4:51 pmDallas/Fort Worth
18h 59m
2 stops
LIS5:50 pmLisbon Humberto Delgado
$971
Delta
May 21
LIS5:00 amLisbon Humberto Delgado
18h 42m
2 stops
DFW5:42 pmDallas/Fort Worth
Jun 5
DFW7:10 amDallas/Fort Worth
19h 40m
2 stops
LIS8:50 amLisbon Humberto Delgado
$972

American Airlines flights from Portugal to Dallas

Our best American Airlines deals on Portugal to Dallas flight tickets
American Airlines
Jun 10
LIS7:20 amLisbon Humberto Delgado
17h 10m
1 stop
DFW6:30 pmDallas/Fort Worth
Jul 8
DFW11:15 pmDallas/Fort Worth
18h 00m
1 stop
LIS11:15 pmLisbon Humberto Delgado
$992
American Airlines
Jun 10
LIS7:20 amLisbon Humberto Delgado
15h 45m
1 stop
DFW5:05 pmDallas/Fort Worth
Jul 8
DFW11:15 pmDallas/Fort Worth
18h 00m
1 stop
LIS11:15 pmLisbon Humberto Delgado
$1,035
American Airlines
Jun 10
LIS7:20 amLisbon Humberto Delgado
15h 45m
1 stop
DFW5:05 pmDallas/Fort Worth
Jul 8
DFW11:15 pmDallas/Fort Worth
18h 00m
1 stop
LIS11:15 pmLisbon Humberto Delgado
$1,037

momondo Fare Finder

 
Customize your flight search to find flights from Portugal to Dallas 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 8, 2026.
Use the filters below to find and compare flights from Portugal to Dallas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

$911

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

9:45 pm-6:05 pm

1 stop14h 20m

$912

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/28

7:55 pm-2:15 pm

1 stop24h 20m

Dallas/Fort Worth

Tue 6/2

10:59 am-7:40 am

2 stops14h 41m

$950

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 5/21

5:05 am-2:15 pm

1 stop15h 10m

Dallas/Fort Worth

Thu 6/4

4:00 pm-10:10 pm

1 stop24h 10m

$958

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/21

6:00 am-8:25 pm

2 stops20h 25m

Dallas/Fort Worth

Wed 5/27

12:30 pm-9:45 am

2 stops15h 15m

$959

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sat 10/3

5:05 am-1:35 pm

1 stop14h 30m

Dallas/Fort Worth

Sat 10/17

6:00 am-8:20 am

1 stop20h 20m

$960

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/21

6:00 am-8:25 pm

2 stops20h 25m

Dallas/Fort Worth

Wed 5/27

7:00 am-6:55 am

2 stops17h 55m

$960
Quickest round-trip

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/21

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Wed 5/27

3:45 pm-3:25 pm

1 stop17h 40m

$966

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 10/2

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Sun 10/11

8:45 am-10:25 am

1 stop19h 40m

$969

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 10/2

8:40 am-10:26 pm

2 stops19h 46m

Dallas/Fort Worth

Sun 10/11

2:15 pm-4:00 pm

2 stops19h 45m

$996

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

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?

If you are unable to visit Dallas during the month of May, then departing from Portugal during the month April is also very affordable. Most momondo users find prices during this month for around $535.

Cheap Portugal to Dallas flight deals and tips

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

Fastest flight time

13h 40m

Direct flights

None
The fastest flight from Portugal to Dallas takes 13h 40m
There are no direct flights from Portugal to Dallas. There are no popular flight routes from Portugal to Dallas.
Search flight deals

Frequently asked questions about flying from Portugal to Dallas

  • When did momondo last update prices for flights from Portugal to Dallas?

    Prices for flights from Portugal to Dallas refresh daily.

  • How old do you have to be to fly from Portugal to Dallas?

    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.

  • What documentation or ID do you need to fly to Dallas?

    The required travel and health documents for your Dallas 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portugal to Dallas. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Dallas from Portugal with this policy.

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

Once you have performed a search for Portugal to Dallas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Dallas from Portugal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United States

Fly into one of these airports located in Dallas

Airports listed have a maximum distance of 15.5 mi from Dallas
Dallas Love Field Airport
Dallas/Fort Worth Airport