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Cheap flights from Dallas to Portugal from $324

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 11/8. 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
9:15 pm - 5:40 pm
DFW
-
LIS
14h 25m
1 stop
Multiple Airlines Logo
6:30 am - 5:00 pm
LIS
-
DFW
16h 30m
1 stop
$713Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Air Canada Logo
12:25 pm - 9:20 am
DFW
-
LIS
14h 55m
1 stop
Air Canada Logo
11:25 am - 9:34 pm
LIS
-
DFW
16h 09m
1 stop
$714Air Canada
Tue, Oct 13 - Mon, Oct 19
United Airlines Logo
12:20 pm - 9:50 am
DFW
-
LIS
15h 30m
1 stop
United Airlines Logo
5:00 am - 2:25 pm
LIS
-
DFW
15h 25m
1 stop
$721United Airlines
Mon, Nov 9 - Thu, Nov 12
United Airlines Logo
12:20 pm - 9:50 am
DFW
-
LIS
15h 30m
1 stop
United Airlines Logo
5:00 am - 2:25 pm
LIS
-
DFW
15h 25m
1 stop
$722United Airlines
Mon, Nov 9 - Thu, Nov 12
Delta Logo
8:00 am - 8:00 am
DAL
-
LIS
18h 00m
2 stops
Delta Logo
10:00 am - 10:27 pm
LIS
-
DAL
18h 27m
2 stops
$890Delta
Sun, Sep 6 - Wed, Sep 9
Delta Logo
12:18 pm - 10:30 am
DAL
-
OPO
16h 12m
2 stops
Delta Logo
9:25 am - 10:25 pm
OPO
-
DAL
19h 00m
2 stops
$952Delta
Mon, Jul 6 - Tue, Jul 21
British Airways Logo
4:50 pm - 6:35 pm
DFW
-
FNC
19h 45m
2 stops
British Airways Logo
6:55 pm - 1:00 pm
FNC
-
DFW
24h 05m
1 stop
$1,061British Airways
Mon, Jun 29 - Mon, Jul 13
British Airways Logo
3:10 pm - 6:35 pm
DFW
-
FNC
21h 25m
1 stop
British Airways Logo
6:55 pm - 1:00 pm
FNC
-
DFW
24h 05m
1 stop
$1,067British Airways
Mon, Jun 29 - Mon, Jul 13
Iberia Logo
9:45 pm - 10:40 am
DFW
-
FNC
30h 55m
1 stop
Iberia Logo
11:20 am - 8:10 pm
FNC
-
DFW
14h 50m
1 stop
$1,152Iberia
Fri, Sep 4 - Sun, Sep 13
Iberia Logo
2:41 pm - 12:55 pm
DFW
-
FNC
40h 14m
2 stops
Iberia Logo
1:05 pm - 5:50 pm
FNC
-
DFW
34h 45m
2 stops
$1,191Iberia
Mon, Jun 1 - Thu, Jun 11

United Airlines flights from Dallas to Portugal

Our best United Airlines deals on Dallas to Portugal flight tickets
United Airlines
Nov 9
DFW12:20 pmDallas/Fort Worth
15h 30m
1 stop
LIS9:50 amLisbon Humberto Delgado
Nov 12
LIS5:00 amLisbon Humberto Delgado
15h 25m
1 stop
DFW2:25 pmDallas/Fort Worth
$721
United Airlines
Nov 9
DFW12:20 pmDallas/Fort Worth
15h 30m
1 stop
LIS9:50 amLisbon Humberto Delgado
Nov 12
LIS5:00 amLisbon Humberto Delgado
15h 25m
1 stop
DFW2:25 pmDallas/Fort Worth
$722
United Airlines
Nov 3
DFW7:00 amDallas/Fort Worth
19h 10m
2 stops
LIS8:10 amLisbon Humberto Delgado
Nov 12
LIS5:00 amLisbon Humberto Delgado
15h 25m
1 stop
DFW2:25 pmDallas/Fort Worth
$723

Air Canada flights from Dallas to Portugal

Our best Air Canada deals on Dallas to Portugal flight tickets
Air Canada
Oct 13
DFW12:25 pmDallas/Fort Worth
14h 55m
1 stop
LIS9:20 amLisbon Humberto Delgado
Oct 19
LIS11:25 amLisbon Humberto Delgado
16h 09m
1 stop
DFW9:34 pmDallas/Fort Worth
$714
Air Canada
Oct 13
DFW12:25 pmDallas/Fort Worth
14h 55m
1 stop
LIS9:20 amLisbon Humberto Delgado
Oct 18
LIS1:00 pmLisbon Humberto Delgado
12h 47m
1 stop
DFW7:47 pmDallas/Fort Worth
$718
Air Canada
Nov 3
DFW9:00 amDallas/Fort Worth
18h 50m
2 stops
LIS9:50 amLisbon Humberto Delgado
Nov 12
LIS5:00 amLisbon Humberto Delgado
22h 32m
2 stops
DFW9:32 pmDallas/Fort Worth
$730

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 15, 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
Quickest round-trip

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 11/4

9:15 pm-5:40 pm

1 stop14h 25m

Lisbon Humberto Delgado

Wed 11/11

6:30 am-5:00 pm

1 stop16h 30m

$713

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 10/13

12:25 pm-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

Mon 10/19

11:25 am-9:34 pm

1 stop16h 09m

$714

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 11/9

12:20 pm-9:50 am

1 stop15h 30m

Lisbon Humberto Delgado

Thu 11/12

5:00 am-2:25 pm

1 stop15h 25m

$721

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 11/9

12:20 pm-9:50 am

1 stop15h 30m

Lisbon Humberto Delgado

Thu 11/12

5:00 am-2:25 pm

1 stop15h 25m

$722

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Sun 9/6

8:00 am-8:00 am

2 stops18h 00m

Lisbon Humberto Delgado

Wed 9/9

10:00 am-10:27 pm

2 stops18h 27m

$890

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Mon 7/6

12:18 pm-10:30 am

2 stops16h 12m

Porto

Tue 7/21

9:25 am-10:25 pm

2 stops19h 00m

$952

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 6/29

4:50 pm-6:35 pm

2 stops19h 45m

Funchal Madeira

Mon 7/13

6:55 pm-1:00 pm

1 stop24h 05m

$1,061

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 6/29

3:10 pm-6:35 pm

1 stop21h 25m

Funchal Madeira

Mon 7/13

6:55 pm-1:00 pm

1 stop24h 05m

$1,067

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Fri 9/4

9:45 pm-10:40 am

1 stop30h 55m

Funchal Madeira

Sun 9/13

11:20 am-8:10 pm

1 stop14h 50m

$1,152

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 6/1

2:41 pm-12:55 pm

2 stops40h 14m

Funchal Madeira

Thu 6/11

1:05 pm-5:50 pm

2 stops34h 45m

$1,191

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 $734 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

12h 35m

Direct flights

None
The fastest flight from Dallas to Portugal takes 12h 35m
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
8,004 reviews
Search Lufthansa flights
IberiaPriceFrom $494Free CancellationRating
7.0
3,218 reviews
Search Iberia flights
American AirlinesPriceFrom $494Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
7,982 reviews
Search British Airways flights
FinnairPriceFrom $509Free CancellationRating
7.6
1,393 reviews
Search Finnair flights
Air CanadaPriceFrom $516Free CancellationRating
7.1
11,045 reviews
Search Air Canada flights
DeltaPriceFrom $517Free CancellationRating
7.9
8,455 reviews
Search Delta flights
Air FrancePriceFrom $518Free CancellationRating
7.4
1,589 reviews
Search Air France flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
9,727 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $612Free CancellationRating
7.4
1,778 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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