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Cheap flights from Dallas to Portugal from $322

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 12/7. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Dallas to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
9:20 pm - 3:25 pm
DFW
-
OPO
36h 05m
1 stop
Turkish Airlines Logo
10:55 am - 6:25 pm
OPO
-
DFW
37h 30m
1 stop
$812Turkish Airlines
Wed, Nov 4 - Wed, Nov 11
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
American Airlines Logo
12:19 pm - 11:45 am
DFW
-
OPO
17h 26m
2 stops
American Airlines Logo
8:40 pm - 5:30 am
OPO
-
DFW
14h 50m
1 stop
$842American Airlines
Wed, Nov 4 - Wed, Nov 11
United Airlines Logo
6:00 am - 8:20 am
DFW
-
LIS
20h 20m
1 stop
United Airlines Logo
11:25 am - 9:44 pm
LIS
-
DFW
16h 19m
1 stop
$951United Airlines
Wed, Jul 15 - Tue, Jul 21
United Airlines Logo
9:45 am - 10:30 am
DFW
-
LIS
18h 45m
2 stops
United Airlines Logo
5:05 am - 11:59 pm
LIS
-
DFW
24h 54m
2 stops
$953United Airlines
Sun, Jul 12 - Tue, Jul 21
British Airways Logo
7:40 pm - 3:30 pm
DFW
-
LIS
13h 50m
1 stop
British Airways Logo
11:05 am - 8:30 pm
LIS
-
DFW
15h 25m
1 stop
$961British Airways
Thu, Aug 20 - Sat, Aug 29
American Airlines Logo
3:10 pm - 3:30 pm
DFW
-
LIS
18h 20m
1 stop
American Airlines Logo
8:25 am - 8:10 pm
LIS
-
DFW
17h 45m
1 stop
$962American Airlines
Thu, Aug 20 - Sat, Aug 29
British Airways Logo
7:40 pm - 6:05 pm
DFW
-
FNC
16h 25m
1 stop
British Airways Logo
7:35 pm - 1:05 pm
FNC
-
DFW
23h 30m
1 stop
$980British Airways
Sun, Jul 26 - Tue, Aug 11
Delta Logo
6:47 pm - 6:45 pm
DAL
-
LIS
17h 58m
2 stops
Delta Logo
5:00 am - 6:02 pm
LIS
-
DAL
19h 02m
2 stops
$989Delta
Wed, Sep 9 - Mon, Sep 21
Delta Logo
3:01 pm - 5:50 pm
DAL
-
LIS
20h 49m
2 stops
Delta Logo
11:55 am - 9:16 am
LIS
-
DAL
27h 21m
2 stops
$1,033Delta
Sat, Jul 4 - Fri, Jul 10

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American Airlines flights from Dallas to Portugal

Our best American Airlines deals on Dallas to Portugal flight tickets
American Airlines
Nov 4
DFW12:19 pmDallas/Fort Worth
17h 26m
2 stops
OPO11:45 amPorto
Nov 11
OPO8:40 pmPorto
14h 50m
1 stop
DFW5:30 amDallas/Fort Worth
$842
American Airlines
Nov 8
DFW1:50 pmDallas/Fort Worth
15h 55m
1 stop
OPO11:45 amPorto
Nov 14
OPO8:40 pmPorto
14h 50m
1 stop
DFW5:30 amDallas/Fort Worth
$888
American Airlines
Aug 20
DFW3:10 pmDallas/Fort Worth
18h 20m
1 stop
LIS3:30 pmLisbon Humberto Delgado
Aug 29
LIS8:25 amLisbon Humberto Delgado
17h 45m
1 stop
DFW8:10 pmDallas/Fort Worth
$962

Lufthansa flights from Dallas to Portugal

Our best Lufthansa deals on Dallas to Portugal flight tickets
Lufthansa
Aug 1
DFW4:00 pmDallas/Fort Worth
17h 40m
1 stop
LIS3:40 pmLisbon Humberto Delgado
Aug 13
LIS5:05 amLisbon Humberto Delgado
15h 10m
1 stop
DFW2:15 pmDallas/Fort Worth
$970
Lufthansa
Jun 21
DFW4:00 pmDallas/Fort Worth
24h 15m
1 stop
LIS10:15 pmLisbon Humberto Delgado
Jul 5
LIS12:35 pmLisbon Humberto Delgado
35h 47m
2 stops
DFW6:22 pmDallas/Fort Worth
$1,125
Lufthansa
Jun 29
DFW4:00 pmDallas/Fort Worth
24h 15m
1 stop
LIS10:15 pmLisbon Humberto Delgado
Jul 6
LIS7:25 amLisbon Humberto Delgado
21h 11m
2 stops
DFW10:36 pmDallas/Fort Worth
$1,144

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 June 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

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 11/4

9:20 pm-3:25 pm

1 stop36h 05m

Porto

Wed 11/11

10:55 am-6:25 pm

1 stop37h 30m

$812

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

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 11/4

12:19 pm-11:45 am

2 stops17h 26m

Porto

Wed 11/11

8:40 pm-5:30 am

1 stop14h 50m

$842

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 7/15

6:00 am-8:20 am

1 stop20h 20m

Lisbon Humberto Delgado

Tue 7/21

11:25 am-9:44 pm

1 stop16h 19m

$951

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 7/12

9:45 am-10:30 am

2 stops18h 45m

Lisbon Humberto Delgado

Tue 7/21

5:05 am-11:59 pm

2 stops24h 54m

$953
Quickest round-trip

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 8/20

7:40 pm-3:30 pm

1 stop13h 50m

Lisbon Humberto Delgado

Sat 8/29

11:05 am-8:30 pm

1 stop15h 25m

$961

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 8/20

3:10 pm-3:30 pm

1 stop18h 20m

Lisbon Humberto Delgado

Sat 8/29

8:25 am-8:10 pm

1 stop17h 45m

$962

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 7/26

7:40 pm-6:05 pm

1 stop16h 25m

Funchal Madeira

Tue 8/11

7:35 pm-1:05 pm

1 stop23h 30m

$980

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Wed 9/9

6:47 pm-6:45 pm

2 stops17h 58m

Lisbon Humberto Delgado

Mon 9/21

5:00 am-6:02 pm

2 stops19h 02m

$989

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Sat 7/4

3:01 pm-5:50 pm

2 stops20h 49m

Lisbon Humberto Delgado

Fri 7/10

11:55 am-9:16 am

2 stops27h 21m

$1,033

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 $771 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 $648 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 25m

Direct flights

None
The fastest flight from Dallas to Portugal takes 12h 25m
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
8,066 reviews
Search Lufthansa flights
IberiaPriceFrom $493Free CancellationRating
7.0
3,237 reviews
Search Iberia flights
British AirwaysPriceFrom $500Free CancellationRating
6.7
8,051 reviews
Search British Airways flights
American AirlinesPriceFrom $502Free CancellationRating
7.1
11,669 reviews
Search American Airlines flights
Air CanadaPriceFrom $516Free CancellationRating
7.1
11,197 reviews
Search Air Canada flights
FinnairPriceFrom $518Free CancellationRating
7.7
1,410 reviews
Search Finnair flights
Air FrancePriceFrom $521Free CancellationRating
7.4
1,606 reviews
Search Air France flights
DeltaPriceFrom $521Free CancellationRating
7.9
8,405 reviews
Search Delta flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
9,842 reviews
Search United Airlines flights
KLMPriceFrom $565Free CancellationRating
7.8
1,528 reviews
Search KLM 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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