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Cheap flights from Dallas to Portugal from $363

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dallas to Portugal departing on 9/22. 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 Dallas to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:55 pm - 9:55 pm
DFW
-
LIS
19h 00m
1 stop
Multiple Airlines Logo
4:10 pm - 3:35 pm
LIS
-
DFW
29h 25m
1 stop
$718Multiple Airlines
Mon, Nov 2 - Mon, Nov 9
United Airlines Logo
12:10 pm - 9:50 am
DFW
-
LIS
15h 40m
1 stop
United Airlines Logo
5:00 am - 2:25 pm
LIS
-
DFW
15h 25m
1 stop
$720United Airlines
Mon, Nov 2 - Fri, Nov 13
Multiple Airlines Logo
12:25 pm - 9:20 am
DFW
-
LIS
14h 55m
1 stop
Multiple Airlines Logo
5:00 am - 2:25 pm
LIS
-
DFW
15h 25m
1 stop
$721Multiple Airlines
Sun, Oct 18 - Wed, Nov 4
Delta Logo
10:20 am - 8:00 am
DAL
-
LIS
15h 40m
2 stops
Delta Logo
5:30 am - 5:50 pm
LIS
-
DAL
18h 20m
2 stops
$795Delta
Wed, Nov 18 - Mon, Nov 23
Delta Logo
12:01 pm - 8:50 am
DAL
-
LIS
14h 49m
2 stops
Delta Logo
5:00 am - 8:36 pm
LIS
-
DAL
21h 36m
2 stops
$823Delta
Tue, Oct 6 - Thu, Oct 22
Iberia Logo
9:55 am - 12:55 pm
DFW
-
FNC
21h 00m
2 stops
Iberia Logo
1:35 pm - 4:15 pm
FNC
-
DFW
32h 40m
1 stop
$832Iberia
Tue, Oct 6 - Wed, Oct 21
Iberia Logo
3:50 pm - 12:55 pm
DFW
-
FNC
39h 05m
2 stops
Iberia Logo
1:35 pm - 4:15 pm
FNC
-
DFW
32h 40m
1 stop
$833Iberia
Mon, Oct 12 - Wed, Oct 21
Turkish Airlines Logo
9:30 pm - 3:45 pm
DFW
-
OPO
36h 15m
1 stop
Turkish Airlines Logo
10:40 am - 7:35 pm
OPO
-
DFW
38h 55m
1 stop
$837Turkish Airlines
Wed, Oct 14 - Tue, Oct 20
Air France Logo
4:05 pm - 10:30 am
DFW
-
OPO
12h 25m
1 stop
Air France Logo
5:40 am - 2:00 pm
OPO
-
DFW
14h 20m
1 stop
$839Air France
Sun, Nov 8 - Fri, Nov 13
Air France Logo
3:59 pm - 4:30 pm
DAL
-
PDL
43h 31m
2 stops
Air France Logo
7:20 am - 10:25 pm
PDL
-
DAL
20h 05m
2 stops
$7,815Air France
Thu, Jul 16 - Thu, Jul 23

United Airlines flights from Dallas to Portugal

Our best United Airlines deals on Dallas to Portugal flight tickets
United Airlines
Nov 2
DFW12:10 pmDallas/Fort Worth
15h 40m
1 stop
LIS9:50 amLisbon Humberto Delgado
Nov 13
LIS5:00 amLisbon Humberto Delgado
15h 25m
1 stop
DFW2:25 pmDallas/Fort Worth
$720
United Airlines
Oct 20
DFW7:00 amDallas/Fort Worth
19h 20m
2 stops
LIS8:20 amLisbon Humberto Delgado
Nov 4
LIS5:00 amLisbon Humberto Delgado
15h 25m
1 stop
DFW2:25 pmDallas/Fort Worth
$722
United Airlines
Nov 9
DFW12:10 pmDallas/Fort Worth
15h 40m
1 stop
LIS9:50 amLisbon Humberto Delgado
Nov 18
LIS11:20 amLisbon Humberto Delgado
33h 51m
2 stops
DFW3:11 pmDallas/Fort Worth
$723

KLM flights from Dallas to Portugal

Our best KLM deals on Dallas to Portugal flight tickets
KLM
Oct 28
DFW1:25 pmDallas/Fort Worth
13h 35m
2 stops
LIS8:00 amLisbon Humberto Delgado
Nov 17
LIS5:00 amLisbon Humberto Delgado
17h 57m
2 stops
DFW4:57 pmDallas/Fort Worth
$724
KLM
Oct 6
DFW6:30 pmDallas/Fort Worth
32h 45m
2 stops
FNC9:15 amFunchal Madeira
Oct 21
FNC10:25 amFunchal Madeira
19h 48m
2 stops
DFW12:13 amDallas/Fort Worth
$829
KLM
Nov 1
DAL12:01 pmDallas Love Field
15h 04m
2 stops
OPO9:05 amPorto
Nov 18
OPO5:00 amPorto
18h 50m
2 stops
DAL5:50 pmDallas Love Field
$846

momondo Fare Finder

 
Customize your flight search to find flights from Dallas to Portugal 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 24, 2026.
Use the filters below to find and compare flights from Dallas to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 11/2

8:55 pm-9:55 pm

1 stop19h 00m

Lisbon Humberto Delgado

Mon 11/9

4:10 pm-3:35 pm

1 stop29h 25m

$718

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 11/2

12:10 pm-9:50 am

1 stop15h 40m

Lisbon Humberto Delgado

Fri 11/13

5:00 am-2:25 pm

1 stop15h 25m

$720

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 10/18

12:25 pm-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

Wed 11/4

5:00 am-2:25 pm

1 stop15h 25m

$721

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Wed 11/18

10:20 am-8:00 am

2 stops15h 40m

Lisbon Humberto Delgado

Mon 11/23

5:30 am-5:50 pm

2 stops18h 20m

$795

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Tue 10/6

12:01 pm-8:50 am

2 stops14h 49m

Lisbon Humberto Delgado

Thu 10/22

5:00 am-8:36 pm

2 stops21h 36m

$823

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Tue 10/6

9:55 am-12:55 pm

2 stops21h 00m

Funchal Madeira

Wed 10/21

1:35 pm-4:15 pm

1 stop32h 40m

$832

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 10/12

3:50 pm-12:55 pm

2 stops39h 05m

Funchal Madeira

Wed 10/21

1:35 pm-4:15 pm

1 stop32h 40m

$833

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 10/14

9:30 pm-3:45 pm

1 stop36h 15m

Porto

Tue 10/20

10:40 am-7:35 pm

1 stop38h 55m

$837
Quickest round-trip

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 11/8

4:05 pm-10:30 am

1 stop12h 25m

Porto

Fri 11/13

5:40 am-2:00 pm

1 stop14h 20m

$839

DallasPonta Delgada

DAL - PDL

DALPDL

Dallas Love Field

Thu 7/16

3:59 pm-4:30 pm

2 stops43h 31m

Ponta Delgada Nordela

Thu 7/23

7:20 am-10:25 pm

2 stops20h 05m

$7,815

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 Portugal from

How to get the cheapest flight ticket from Dallas to Portugal

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 Portugal?

The cheapest month to fly to Portugal from Dallas is in April. Flight prices, which tend to average around $382, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Portugal from Dallas during December instead. Flights to Portugal in December, while not as cheap as those in April, still average around $414.

How far in advance should I book a flight from Dallas to Portugal?

You are more likely to see cheaper flights to Portugal from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $740 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Dallas for as low as $657 on momondo.

Cheap Dallas to Portugal flight deals and tips

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

Fastest flight time

10h 45m

Direct flights

None
The fastest flight from Dallas to Portugal takes 10h 45m
There are no direct flights from Dallas to Portugal. There are no popular flight routes from Dallas to Portugal.
Search flight deals

Frequently asked questions about flying from Dallas to Portugal

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

    Prices for flights from Dallas to Portugal were last updated today.

  • How many operators does momondo search for flights from Dallas to Portugal?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dallas to Portugal.

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

    The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Dallas to Portugal

Compare and see reviews for airlines that fly from Dallas to Portugal with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $457Free CancellationRating
6.8
8,023 reviews
Search Lufthansa flights
IberiaPriceFrom $494Free CancellationRating
7.0
3,220 reviews
Search Iberia flights
American AirlinesPriceFrom $494Free CancellationRating
7.1
11,633 reviews
Search American Airlines flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
7,997 reviews
Search British Airways flights
FinnairPriceFrom $509Free CancellationRating
7.7
1,399 reviews
Search Finnair flights
Air CanadaPriceFrom $516Free CancellationRating
7.1
11,078 reviews
Search Air Canada flights
DeltaPriceFrom $517Free CancellationRating
7.9
8,440 reviews
Search Delta flights
Air FrancePriceFrom $518Free CancellationRating
7.4
1,591 reviews
Search Air France flights
United AirlinesPriceFrom $530Free CancellationRating
7.4
9,750 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $612Free CancellationRating
7.4
1,788 reviews
Search Scandinavian Airlines flights

Why use momondo?

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

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

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

Yes. All flights to Portugal from Dallas on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dallas to Portugal.

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

If you are not ready to book a flight from Dallas to Portugal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portugal and let you know when they change.

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Find better results for your trip to Portugal

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Popular flights according to clicks in the last 7 days on momondo
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