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Cheap flights from Portugal to Dallas from $373

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
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
12:30 pm - 4:31 pm
LIS
-
DFW
34h 01m
2 stops
Multiple Airlines Logo
4:15 pm - 2:55 pm
DFW
-
LIS
16h 40m
1 stop
$797Multiple Airlines
Mon, Sep 21 - Tue, Nov 17
Multiple Airlines Logo
12:30 pm - 4:31 pm
LIS
-
DFW
34h 01m
2 stops
Multiple Airlines Logo
4:15 pm - 2:55 pm
DFW
-
LIS
16h 40m
1 stop
$798Multiple Airlines
Mon, Sep 21 - Wed, Nov 18
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
$817American Airlines
Thu, Nov 19 - Mon, Nov 23
Multiple Airlines Logo
6:30 am - 5:00 pm
LIS
-
DFW
16h 30m
1 stop
Multiple Airlines Logo
6:50 pm - 2:50 pm
DFW
-
LIS
14h 00m
1 stop
$819Multiple Airlines
Wed, Dec 9 - Wed, Jan 6
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
$820American Airlines
Thu, Nov 19 - Mon, Nov 23
American Airlines Logo
8:20 am - 9:45 pm
LIS
-
DFW
19h 25m
2 stops
American Airlines Logo
8:55 pm - 6:55 pm
DFW
-
LIS
16h 00m
1 stop
$823American Airlines
Thu, Nov 19 - Mon, Nov 23
Delta Logo
5:00 am - 5:17 pm
OPO
-
DFW
18h 17m
2 stops
Delta Logo
12:05 pm - 3:25 pm
DFW
-
OPO
21h 20m
2 stops
$837Delta
Wed, Sep 2 - Mon, Sep 21
Delta Logo
5:55 am - 1:35 pm
OPO
-
DFW
13h 40m
1 stop
Delta Logo
3:13 pm - 3:25 pm
DFW
-
OPO
18h 12m
2 stops
$838Delta
Wed, Sep 2 - Mon, Sep 21
Iberia Logo
8:40 pm - 7:10 pm
OPO
-
DFW
28h 30m
2 stops
Iberia Logo
9:53 am - 7:40 am
DFW
-
OPO
15h 47m
2 stops
$890Iberia
Mon, Aug 24 - Mon, Aug 31
Scandinavian Airlines Logo
11:50 pm - 9:57 pm
LIS
-
DAL
28h 07m
2 stops
Scandinavian Airlines Logo
12:01 pm - 4:05 pm
DAL
-
LIS
22h 04m
2 stops
$896Scandinavian Airlines
Wed, Sep 23 - Wed, Nov 18

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United Airlines flights from Portugal to Dallas

Our best United Airlines deals on Portugal to Dallas flight tickets
United Airlines
Oct 3
LIS5:05 amLisbon Humberto Delgado
14h 30m
1 stop
DFW1:35 pmDallas/Fort Worth
Oct 17
DFW6:00 amDallas/Fort Worth
20h 20m
1 stop
LIS8:20 amLisbon Humberto Delgado
$935
United Airlines
Sep 20
LIS5:05 amLisbon Humberto Delgado
14h 30m
1 stop
DFW1:35 pmDallas/Fort Worth
Nov 17
DFW7:00 amDallas/Fort Worth
19h 10m
2 stops
LIS8:10 amLisbon Humberto Delgado
$937
United Airlines
Dec 9
LIS5:00 amLisbon Humberto Delgado
15h 25m
1 stop
DFW2:25 pmDallas/Fort Worth
Jan 6
DFW7:00 amDallas/Fort Worth
19h 10m
2 stops
LIS8:10 amLisbon Humberto Delgado
$939

Lufthansa flights from Portugal to Dallas

Our best Lufthansa deals on Portugal to Dallas flight tickets
Lufthansa
Aug 24
OPO12:10 pmPorto
32h 05m
1 stop
DFW2:15 pmDallas/Fort Worth
Aug 30
DFW4:00 pmDallas/Fort Worth
17h 40m
1 stop
OPO3:40 pmPorto
$931
Lufthansa
Aug 24
OPO12:10 pmPorto
32h 05m
1 stop
DFW2:15 pmDallas/Fort Worth
Aug 31
DFW4:00 pmDallas/Fort Worth
17h 40m
1 stop
OPO3:40 pmPorto
$936
Lufthansa
Sep 24
LIS5:05 amLisbon Humberto Delgado
17h 52m
2 stops
DFW4:57 pmDallas/Fort Worth
Nov 19
DFW12:26 pmDallas/Fort Worth
20h 29m
2 stops
LIS2:55 pmLisbon Humberto Delgado
$947

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 June 29, 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

Mon 9/21

12:30 pm-4:31 pm

2 stops34h 01m

Dallas/Fort Worth

Tue 11/17

4:15 pm-2:55 pm

1 stop16h 40m

$797

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 9/21

12:30 pm-4:31 pm

2 stops34h 01m

Dallas/Fort Worth

Wed 11/18

4:15 pm-2:55 pm

1 stop16h 40m

$798

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

$817
Quickest round-trip

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 12/9

6:30 am-5:00 pm

1 stop16h 30m

Dallas/Fort Worth

Wed 1/6

6:50 pm-2:50 pm

1 stop14h 00m

$819

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

$820

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 11/19

8:20 am-9:45 pm

2 stops19h 25m

Dallas/Fort Worth

Mon 11/23

8:55 pm-6:55 pm

1 stop16h 00m

$823

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 9/2

5:00 am-5:17 pm

2 stops18h 17m

Dallas/Fort Worth

Mon 9/21

12:05 pm-3:25 pm

2 stops21h 20m

$837

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 9/2

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Mon 9/21

3:13 pm-3:25 pm

2 stops18h 12m

$838

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 8/24

8:40 pm-7:10 pm

2 stops28h 30m

Dallas/Fort Worth

Mon 8/31

9:53 am-7:40 am

2 stops15h 47m

$890

LisbonDallas

LIS - DAL

LISDAL

Lisbon Humberto Delgado

Wed 9/23

11:50 pm-9:57 pm

2 stops28h 07m

Dallas Love Field

Wed 11/18

12:01 pm-4:05 pm

2 stops22h 04m

$896

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 April, then departing from Portugal during the month August is also very affordable. Most momondo users find prices during this month for around $648.

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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Wed 7/29
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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