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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 3/5. 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.
Multiple Airlines Logo
10:10 am - 11:02 pm
LIS
-
DFW
17h 52m
1 stop
Multiple Airlines Logo
6:34 am - 5:35 am
DFW
-
LIS
18h 01m
1 stop
$678Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
5:00 am - 11:02 pm
LIS
-
DFW
23h 02m
2 stops
Multiple Airlines Logo
6:34 am - 2:35 pm
DFW
-
LIS
27h 01m
2 stops
$689Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
7:35 am - 11:02 pm
OPO
-
DFW
44h 27m
3 stops
Multiple Airlines Logo
2:23 pm - 8:10 am
DFW
-
OPO
36h 47m
3 stops
$757Multiple Airlines
Mon, Mar 16 - Tue, Mar 24
Multiple Airlines Logo
12:30 pm - 8:10 pm
LIS
-
DFW
13h 40m
1 stop
Multiple Airlines Logo
4:00 pm - 10:15 pm
DFW
-
LIS
24h 15m
1 stop
$815Multiple Airlines
Mon, Mar 30 - Sun, Apr 12
KLM Logo
4:25 pm - 1:35 pm
OPO
-
DFW
27h 10m
1 stop
KLM Logo
3:40 pm - 3:25 pm
DFW
-
OPO
17h 45m
1 stop
$852KLM
Sun, Mar 29 - Mon, Apr 6
United Airlines Logo
6:00 am - 9:42 pm
OPO
-
DFW
20h 42m
2 stops
United Airlines Logo
7:00 am - 2:45 pm
DFW
-
OPO
26h 45m
2 stops
$867United Airlines
Thu, Mar 19 - Thu, Mar 26
Lufthansa Logo
4:15 pm - 3:25 pm
OPO
-
DFW
28h 10m
1 stop
Lufthansa Logo
5:15 pm - 10:25 pm
DFW
-
OPO
24h 10m
1 stop
$870Lufthansa
Mon, Mar 16 - Tue, Mar 24
KLM Logo
4:25 pm - 1:35 pm
OPO
-
DFW
27h 10m
1 stop
KLM Logo
6:17 pm - 3:30 pm
DFW
-
OPO
15h 13m
2 stops
$875KLM
Sun, Mar 29 - Mon, Apr 6
United Airlines Logo
12:35 pm - 9:42 pm
OPO
-
DFW
14h 07m
1 stop
United Airlines Logo
9:59 am - 2:45 pm
DFW
-
OPO
23h 46m
2 stops
$891United Airlines
Thu, Mar 19 - Thu, Mar 26
Delta Logo
5:35 am - 5:59 pm
LIS
-
DFW
18h 24m
2 stops
Delta Logo
5:49 am - 8:50 am
DFW
-
LIS
21h 01m
2 stops
$894Delta
Mon, Mar 30 - Sun, Apr 12

Turkish Airlines flights from Portugal to Dallas

Our best Turkish Airlines deals on Portugal to Dallas flight tickets
Turkish Airlines
Feb 5
LIS4:05 pmLisbon Humberto Delgado
32h 35m
1 stop
DFW6:40 pmDallas/Fort Worth
Feb 7
DFW8:35 pmDallas/Fort Worth
32h 05m
1 stop
LIS10:40 amLisbon Humberto Delgado
$965
Turkish Airlines
Feb 4
LIS4:05 pmLisbon Humberto Delgado
32h 35m
1 stop
DFW6:40 pmDallas/Fort Worth
Feb 6
DFW8:35 pmDallas/Fort Worth
32h 00m
1 stop
LIS10:35 amLisbon Humberto Delgado
$1,216
Turkish Airlines
Mar 30
LIS6:00 amLisbon Humberto Delgado
19h 35m
1 stop
DFW7:35 pmDallas/Fort Worth
Apr 10
DFW2:30 pmDallas/Fort Worth
27h 00m
1 stop
LIS11:30 pmLisbon Humberto Delgado
$3,590

Aer Lingus flights from Portugal to Dallas

Our best Aer Lingus deals on Portugal to Dallas flight tickets
Aer Lingus
Feb 5
LIS10:50 amLisbon Humberto Delgado
18h 54m
2 stops
DFW11:44 pmDallas/Fort Worth
Feb 7
DFW5:00 pmDallas/Fort Worth
19h 15m
2 stops
LIS6:15 pmLisbon Humberto Delgado
$1,270
Aer Lingus
Mar 30
LIS11:25 amLisbon Humberto Delgado
59h 40m
2 stops
DFW5:05 pmDallas/Fort Worth
Apr 10
DFW6:15 amDallas/Fort Worth
22h 30m
2 stops
LIS10:45 amLisbon Humberto Delgado
$3,658

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 February 3, 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

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 3/18

10:10 am-11:02 pm

1 stop17h 52m

Dallas/Fort Worth

Wed 3/25

6:34 am-5:35 am

1 stop18h 01m

$678

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 3/18

5:00 am-11:02 pm

2 stops23h 02m

Dallas/Fort Worth

Wed 3/25

6:34 am-2:35 pm

2 stops27h 01m

$689

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 3/16

7:35 am-11:02 pm

3 stops44h 27m

Dallas/Fort Worth

Tue 3/24

2:23 pm-8:10 am

3 stops36h 47m

$757

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 3/30

12:30 pm-8:10 pm

1 stop13h 40m

Dallas/Fort Worth

Sun 4/12

4:00 pm-10:15 pm

1 stop24h 15m

$815

PortoDallas

OPO - DFW

OPODFW

Porto

Sun 3/29

4:25 pm-1:35 pm

1 stop27h 10m

Dallas/Fort Worth

Mon 4/6

3:40 pm-3:25 pm

1 stop17h 45m

$852

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 3/19

6:00 am-9:42 pm

2 stops20h 42m

Dallas/Fort Worth

Thu 3/26

7:00 am-2:45 pm

2 stops26h 45m

$867

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 3/16

4:15 pm-3:25 pm

1 stop28h 10m

Dallas/Fort Worth

Tue 3/24

5:15 pm-10:25 pm

1 stop24h 10m

$870

PortoDallas

OPO - DFW

OPODFW

Porto

Sun 3/29

4:25 pm-1:35 pm

1 stop27h 10m

Dallas/Fort Worth

Mon 4/6

6:17 pm-3:30 pm

2 stops15h 13m

$875

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 3/19

12:35 pm-9:42 pm

1 stop14h 07m

Dallas/Fort Worth

Thu 3/26

9:59 am-2:45 pm

2 stops23h 46m

$891

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 3/30

5:35 am-5:59 pm

2 stops18h 24m

Dallas/Fort Worth

Sun 4/12

5:49 am-8:50 am

2 stops21h 01m

$894

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 February, then departing from Portugal during the month March is also very affordable. Most momondo users find prices during this month for around $755.

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

16h 00m

Direct flights

None
The fastest flight from Portugal to Dallas takes 16h 00m
There are no direct flights from Portugal to Dallas. There are no popular flight routes from Portugal to Dallas.
Search flight deals

  • 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