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Cheap flights from Dallas to Portugal from $278

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 9/5. 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 - 6:55 pm
DFW
-
LIS
15h 40m
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
Multiple Airlines Logo
8:55 pm - 5:40 pm
DFW
-
LIS
14h 45m
1 stop
Multiple Airlines Logo
4:10 pm - 3:10 pm
LIS
-
DFW
29h 00m
1 stop
$719Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
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
$721United Airlines
Mon, Nov 9 - Thu, Nov 12
United Airlines Logo
10:00 am - 8:10 am
DFW
-
LIS
16h 10m
1 stop
United Airlines Logo
5:00 am - 2:25 pm
LIS
-
DFW
15h 25m
1 stop
$722United Airlines
Sun, Nov 1 - Wed, Nov 4
United Airlines Logo
10:00 am - 9:50 am
DFW
-
LIS
17h 50m
2 stops
United Airlines Logo
5:00 am - 2:25 pm
LIS
-
DFW
15h 25m
1 stop
$726United Airlines
Mon, Nov 9 - Thu, Nov 12
Air Canada Logo
12:10 pm - 11:00 am
DFW
-
LIS
16h 50m
2 stops
Air Canada Logo
11:20 am - 10:26 pm
LIS
-
DFW
41h 06m
2 stops
$731Air Canada
Mon, Nov 2 - Fri, Nov 6
Air Canada Logo
3:45 pm - 11:00 am
DFW
-
LIS
13h 15m
1 stop
Air Canada Logo
1:00 pm - 10:26 pm
LIS
-
DFW
39h 26m
2 stops
$733Air Canada
Wed, Nov 4 - Fri, Nov 6
Delta Logo
7:35 am - 9:00 am
DFW
-
LIS
19h 25m
1 stop
Delta Logo
11:30 am - 12:13 am
LIS
-
DFW
18h 43m
2 stops
$734Delta
Mon, Nov 2 - Wed, Nov 4
Delta Logo
8:00 am - 8:00 am
DAL
-
LIS
18h 00m
2 stops
Delta Logo
10:00 am - 9:40 am
LIS
-
DAL
29h 40m
2 stops
$749Delta
Sun, Nov 1 - Tue, Nov 10
Iberia Logo
2:41 pm - 12:55 pm
DFW
-
FNC
40h 14m
2 stops
Iberia Logo
1:05 pm - 9:47 pm
FNC
-
DFW
38h 42m
2 stops
$1,336Iberia
Mon, Jun 1 - Thu, Jun 11

Air Canada flights from Dallas to Portugal

Our best Air Canada deals on Dallas to Portugal flight tickets
Air Canada
Nov 2
DFW12:10 pmDallas/Fort Worth
16h 50m
2 stops
LIS11:00 amLisbon Humberto Delgado
Nov 6
LIS11:20 amLisbon Humberto Delgado
41h 06m
2 stops
DFW10:26 pmDallas/Fort Worth
$731
Air Canada
Nov 4
DFW3:45 pmDallas/Fort Worth
13h 15m
1 stop
LIS11:00 amLisbon Humberto Delgado
Nov 6
LIS1:00 pmLisbon Humberto Delgado
39h 26m
2 stops
DFW10:26 pmDallas/Fort Worth
$733
Air Canada
Nov 3
DFW12:10 pmDallas/Fort Worth
15h 40m
1 stop
LIS9:50 amLisbon Humberto Delgado
Nov 5
LIS1:00 pmLisbon Humberto Delgado
31h 57m
1 stop
DFW2:57 pmDallas/Fort Worth
$741

American Airlines flights from Dallas to Portugal

Our best American Airlines deals on Dallas to Portugal flight tickets
American Airlines
Oct 13
DFW5:55 pmDallas/Fort Worth
15h 40m
1 stop
LIS3:35 pmLisbon Humberto Delgado
Oct 20
LIS6:35 amLisbon Humberto Delgado
19h 35m
1 stop
DFW8:10 pmDallas/Fort Worth
$762
American Airlines
Oct 6
DFW3:25 pmDallas/Fort Worth
17h 05m
1 stop
LIS2:30 pmLisbon Humberto Delgado
Oct 15
LIS6:35 amLisbon Humberto Delgado
15h 40m
1 stop
DFW4:15 pmDallas/Fort Worth
$805
American Airlines
Oct 14
DFW8:30 amDallas/Fort Worth
17h 10m
2 stops
OPO7:40 amPorto
Oct 20
OPO12:25 pmPorto
13h 45m
1 stop
DFW8:10 pmDallas/Fort Worth
$869

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 18, 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

9:15 pm-6:55 pm

1 stop15h 40m

Lisbon Humberto Delgado

Mon 11/9

4:10 pm-3:35 pm

1 stop29h 25m

$718

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 11/4

8:55 pm-5:40 pm

1 stop14h 45m

Lisbon Humberto Delgado

Wed 11/11

4:10 pm-3:10 pm

1 stop29h 00m

$719
Quickest round-trip

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 11/9

12:10 pm-9:50 am

1 stop15h 40m

Lisbon Humberto Delgado

Thu 11/12

5:00 am-2:25 pm

1 stop15h 25m

$721

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 11/1

10:00 am-8:10 am

1 stop16h 10m

Lisbon Humberto Delgado

Wed 11/4

5:00 am-2:25 pm

1 stop15h 25m

$722

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 11/9

10:00 am-9:50 am

2 stops17h 50m

Lisbon Humberto Delgado

Thu 11/12

5:00 am-2:25 pm

1 stop15h 25m

$726

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 11/2

12:10 pm-11:00 am

2 stops16h 50m

Lisbon Humberto Delgado

Fri 11/6

11:20 am-10:26 pm

2 stops41h 06m

$731

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 11/4

3:45 pm-11:00 am

1 stop13h 15m

Lisbon Humberto Delgado

Fri 11/6

1:00 pm-10:26 pm

2 stops39h 26m

$733

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 11/2

7:35 am-9:00 am

1 stop19h 25m

Lisbon Humberto Delgado

Wed 11/4

11:30 am-12:13 am

2 stops18h 43m

$734

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Sun 11/1

8:00 am-8:00 am

2 stops18h 00m

Lisbon Humberto Delgado

Tue 11/10

10:00 am-9:40 am

2 stops29h 40m

$749

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-9:47 pm

2 stops38h 42m

$1,336

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

11h 55m

Direct flights

None
The fastest flight from Dallas to Portugal takes 11h 55m
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
8,010 reviews
Search Lufthansa flights
IberiaPriceFrom $494Free CancellationRating
7.0
3,220 reviews
Search Iberia flights
American AirlinesPriceFrom $494Free CancellationRating
7.1
11,646 reviews
Search American Airlines flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
7,986 reviews
Search British Airways flights
FinnairPriceFrom $509Free CancellationRating
7.7
1,396 reviews
Search Finnair flights
Air CanadaPriceFrom $516Free CancellationRating
7.1
11,062 reviews
Search Air Canada flights
DeltaPriceFrom $517Free CancellationRating
7.9
8,452 reviews
Search Delta flights
Air FrancePriceFrom $518Free CancellationRating
7.4
1,588 reviews
Search Air France flights
United AirlinesPriceFrom $530Free CancellationRating
7.4
9,732 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $612Free CancellationRating
7.4
1,781 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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