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Cheap flights from Dallas to Portugal from $217

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 3/17. 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.
British Airways Logo
9:15 pm - 3:10 pm
DFW
-
FNC
35h 55m1 stop
British Airways Logo
3:05 pm - 5:30 am
FNC
-
DFW
44h 25m2 stops
$479British Airways
Mon, Jan 12 - Tue, Jan 27
British Airways Logo
12:35 pm - 2:15 pm
DFW
-
FNC
19h 40m2 stops
British Airways Logo
3:05 pm - 5:30 am
FNC
-
DFW
44h 25m2 stops
$480British Airways
Mon, Jan 12 - Tue, Jan 27
British Airways Logo
9:15 pm - 3:10 pm
DFW
-
FNC
35h 55m1 stop
British Airways Logo
3:05 pm - 7:10 pm
FNC
-
DFW
34h 05m1 stop
$486British Airways
Mon, Jan 12 - Tue, Jan 27
United Airlines Logo
7:00 am - 9:30 am
DFW
-
OPO
21h 30m2 stops
United Airlines Logo
12:35 pm - 11:01 am
OPO
-
DFW
28h 26m2 stops
$563United Airlines
Wed, Mar 18 - Thu, Apr 9
American Airlines Logo
5:30 pm - 8:00 pm
DFW
-
OPO
20h 30m1 stop
American Airlines Logo
12:25 pm - 5:30 am
OPO
-
DFW
23h 05m1 stop
$564American Airlines
Sun, Jan 11 - Mon, Jan 26
United Airlines Logo
5:45 pm - 11:05 am
DFW
-
LIS
11h 20m1 stop
United Airlines Logo
12:55 pm - 4:03 pm
LIS
-
DFW
33h 08m2 stops
$584United Airlines
Fri, May 1 - Sun, May 10
Delta Logo
12:12 pm - 11:20 am
DAL
-
LIS
18h 08m2 stops
Delta Logo
11:15 am - 10:36 pm
LIS
-
DAL
16h 21m2 stops
$584Delta
Wed, Mar 18 - Mon, Mar 23
Delta Logo
11:31 am - 9:00 am
DFW
-
LIS
16h 29m2 stops
Delta Logo
10:00 am - 12:27 am
LIS
-
DFW
19h 27m2 stops
$585Delta
Mon, Mar 16 - Tue, Mar 24
Air Canada Logo
5:45 pm - 9:20 am
DFW
-
LIS
33h 35m2 stops
Air Canada Logo
11:25 am - 11:38 pm
LIS
-
DFW
18h 13m2 stops
$591Air Canada
Sat, May 16 - Sun, May 24
Air Canada Logo
12:20 pm - 11:15 pm
DFW
-
TER
29h 55m2 stops
Air Canada Logo
6:40 am - 9:32 pm
TER
-
DFW
19h 52m2 stops
$872Air Canada
Thu, Feb 5 - Mon, Feb 9

Delta flights from Dallas to Portugal

Our best Delta deals on Dallas to Portugal flight tickets
Delta
Mar 18
DAL12:12 pmDallas Love Field
18h 08m
2 stops
LIS11:20 amLisbon Humberto Delgado
Mar 23
LIS11:15 amLisbon Humberto Delgado
16h 21m
2 stops
DAL10:36 pmDallas Love Field
$584
Find similar
Delta
Mar 16
DFW11:31 amDallas/Fort Worth
16h 29m
2 stops
LIS9:00 amLisbon Humberto Delgado
Mar 24
LIS10:00 amLisbon Humberto Delgado
19h 27m
2 stops
DFW12:27 amDallas/Fort Worth
$585
Find similar
Delta
Jan 28
DAL10:25 amDallas Love Field
15h 35m
2 stops
LIS8:00 amLisbon Humberto Delgado
Feb 1
LIS10:00 amLisbon Humberto Delgado
53h 36m
2 stops
DAL9:36 amDallas Love Field
$598
Find similar

Scandinavian Airlines flights from Dallas to Portugal

Our best Scandinavian Airlines deals on Dallas to Portugal flight tickets
Scandinavian Airlines
Mar 8
DFW4:23 pmDallas/Fort Worth
24h 37m
3 stops
LIS10:00 pmLisbon Humberto Delgado
Mar 14
LIS7:05 amLisbon Humberto Delgado
22h 22m
2 stops
DFW12:27 amDallas/Fort Worth
$590
Find similar
Scandinavian Airlines
Feb 14
DAL11:12 amDallas Love Field
39h 43m
2 stops
LIS8:55 amLisbon Humberto Delgado
Mar 2
LIS6:45 amLisbon Humberto Delgado
21h 46m
2 stops
DAL10:31 pmDallas Love Field
$658
Find similar
Scandinavian Airlines
Dec 6
DAL2:00 pmDallas Love Field
22h 10m
2 stops
LIS6:10 pmLisbon Humberto Delgado
Dec 8
LIS6:45 amLisbon Humberto Delgado
23h 11m
2 stops
DAL11:56 pmDallas Love Field
$1,406
Find similar

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 December 4, 2025.
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

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 1/12

9:15 pm-3:10 pm

1 stop35h 55m

Funchal Madeira

Tue 1/27

3:05 pm-5:30 am

2 stops44h 25m

$479

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 1/12

12:35 pm-2:15 pm

2 stops19h 40m

Funchal Madeira

Tue 1/27

3:05 pm-5:30 am

2 stops44h 25m

$480

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 1/12

9:15 pm-3:10 pm

1 stop35h 55m

Funchal Madeira

Tue 1/27

3:05 pm-7:10 pm

1 stop34h 05m

$486

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 3/18

7:00 am-9:30 am

2 stops21h 30m

Porto

Thu 4/9

12:35 pm-11:01 am

2 stops28h 26m

$563

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 1/11

5:30 pm-8:00 pm

1 stop20h 30m

Porto

Mon 1/26

12:25 pm-5:30 am

1 stop23h 05m

$564

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 5/1

5:45 pm-11:05 am

1 stop11h 20m

Lisbon Humberto Delgado

Sun 5/10

12:55 pm-4:03 pm

2 stops33h 08m

$584

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Wed 3/18

12:12 pm-11:20 am

2 stops18h 08m

Lisbon Humberto Delgado

Mon 3/23

11:15 am-10:36 pm

2 stops16h 21m

$584

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 3/16

11:31 am-9:00 am

2 stops16h 29m

Lisbon Humberto Delgado

Tue 3/24

10:00 am-12:27 am

2 stops19h 27m

$585

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 5/16

5:45 pm-9:20 am

2 stops33h 35m

Lisbon Humberto Delgado

Sun 5/24

11:25 am-11:38 pm

2 stops18h 13m

$591

DallasLajes

DFW - TER

DFWTER

Dallas/Fort Worth

Thu 2/5

12:20 pm-11:15 pm

2 stops29h 55m

Lajes

Mon 2/9

6:40 am-9:32 pm

2 stops19h 52m

$872

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 February. Flight prices, which tend to average around $592, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Dallas during October instead. Flights to Portugal in October, while not as cheap as those in February, still average around $617.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Tuesday is the cheapest day to fly to Portugal from Dallas. The lowest ticket price found for a Tuesday departure recently was $767. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $879.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from Dallas to Portugal during this time can be as low as $789. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $891 per ticket.

How far in advance should I book a flight 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 $730 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 $671 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 15m

Direct flights

None
The fastest flight from Dallas to Portugal takes 10h 15m
There are no direct flights from Dallas to Portugal. There are no popular flight routes from Dallas to Portugal.
Search flight deals

  • 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
DeltaPriceFrom $529Free CancellationRating
7.9
8,011 reviews
Search Delta flights
FinnairPriceFrom $535Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
IberiaPriceFrom $537Free CancellationRating
7.0
3,039 reviews
Search Iberia flights
American AirlinesPriceFrom $538Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
British AirwaysPriceFrom $540Free CancellationRating
6.7
7,559 reviews
Search British Airways flights
United AirlinesPriceFrom $540Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
Air FrancePriceFrom $551Free CancellationRating
7.4
1,500 reviews
Search Air France flights
Air CanadaPriceFrom $566Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
KLMPriceFrom $572Free CancellationRating
7.7
1,428 reviews
Search KLM flights
Virgin AtlanticPriceFrom $608Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic 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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Flights to Velasfrom $552