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Cheap flights from Dallas to Portugal from $340

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 10/17. 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.
Multiple Airlines Logo
4:15 pm - 2:50 pm
DFW
-
LIS
16h 35m
1 stop
Multiple Airlines Logo
5:00 am - 9:32 pm
LIS
-
DFW
22h 32m
2 stops
$718Multiple Airlines
Mon, Nov 2 - Tue, Nov 10
Multiple Airlines Logo
4:15 pm - 10:50 pm
DFW
-
LIS
24h 35m
1 stop
Multiple Airlines Logo
5:00 am - 9:32 pm
LIS
-
DFW
22h 32m
2 stops
$719Multiple Airlines
Sun, Nov 1 - Wed, Nov 11
United Airlines Logo
12:20 pm - 9:50 am
DFW
-
LIS
16h 30m
1 stop
United Airlines Logo
5:00 am - 2:25 pm
LIS
-
DFW
15h 25m
1 stop
$721United Airlines
Mon, Oct 26 - Tue, Nov 3
United Airlines Logo
11:25 am - 8:10 am
DFW
-
LIS
15h 45m
1 stop
United Airlines Logo
5:00 am - 2:25 pm
LIS
-
DFW
15h 25m
1 stop
$722United Airlines
Wed, Oct 28 - Fri, Nov 6
Delta Logo
12:01 pm - 8:50 am
DAL
-
LIS
14h 49m
2 stops
Delta Logo
10:00 am - 10:27 pm
LIS
-
DAL
18h 27m
2 stops
$839Delta
Tue, Sep 22 - Fri, Oct 2
Iberia Logo
9:45 pm - 8:00 pm
DFW
-
OPO
16h 15m
1 stop
Iberia Logo
4:40 pm - 6:30 am
OPO
-
DFW
18h 50m
1 stop
$863Iberia
Wed, Oct 21 - Wed, Oct 28
British Airways Logo
7:40 pm - 12:20 pm
DFW
-
FNC
34h 40m
1 stop
British Airways Logo
12:20 pm - 5:05 pm
FNC
-
DFW
34h 45m
1 stop
$889British Airways
Wed, Aug 12 - Tue, Sep 8
Delta Logo
12:01 pm - 8:50 am
DAL
-
LIS
14h 49m
2 stops
Delta Logo
10:00 am - 10:27 pm
LIS
-
DAL
18h 27m
2 stops
$899Delta
Tue, Sep 22 - Sat, Oct 3
British Airways Logo
7:40 pm - 12:20 pm
DFW
-
FNC
34h 40m
1 stop
British Airways Logo
6:55 pm - 5:05 pm
FNC
-
DFW
28h 10m
1 stop
$921British Airways
Wed, Aug 12 - Mon, Sep 7
Iberia Logo
9:45 pm - 12:25 pm
DFW
-
FNC
32h 40m
1 stop
Iberia Logo
1:35 pm - 8:10 pm
FNC
-
DFW
36h 35m
1 stop
$1,095Iberia
Tue, Aug 18 - Wed, Sep 2

Delta flights from Dallas to Portugal

Our best Delta deals on Dallas to Portugal flight tickets
Delta
Nov 4
DFW8:45 amDallas/Fort Worth
20h 35m
2 stops
LIS11:20 amLisbon Humberto Delgado
Nov 11
LIS5:00 amLisbon Humberto Delgado
19h 41m
2 stops
DFW6:41 pmDallas/Fort Worth
$738
Delta
Oct 25
DFW11:15 amDallas/Fort Worth
16h 45m
1 stop
LIS9:00 amLisbon Humberto Delgado
Nov 9
LIS12:20 pmLisbon Humberto Delgado
31h 40m
1 stop
DFW2:00 pmDallas/Fort Worth
$744
Delta
Oct 29
DFW5:05 pmDallas/Fort Worth
13h 15m
1 stop
LIS11:20 amLisbon Humberto Delgado
Nov 6
LIS5:30 amLisbon Humberto Delgado
14h 30m
1 stop
DFW2:00 pmDallas/Fort Worth
$781

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 14
DFW3:25 pmDallas/Fort Worth
18h 15m
1 stop
LIS3:40 pmLisbon Humberto Delgado
Oct 21
LIS6:35 amLisbon Humberto Delgado
15h 40m
1 stop
DFW4:15 pmDallas/Fort Worth
$763
American Airlines
Sep 20
DFW10:59 pmDallas/Fort Worth
18h 06m
1 stop
LIS11:05 pmLisbon Humberto Delgado
Oct 1
LIS8:25 amLisbon Humberto Delgado
17h 45m
1 stop
DFW8:10 pmDallas/Fort Worth
$805

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 10, 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

4:15 pm-2:50 pm

1 stop16h 35m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-9:32 pm

2 stops22h 32m

$718

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 11/1

4:15 pm-10:50 pm

1 stop24h 35m

Lisbon Humberto Delgado

Wed 11/11

5:00 am-9:32 pm

2 stops22h 32m

$719

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 10/26

12:20 pm-9:50 am

1 stop16h 30m

Lisbon Humberto Delgado

Tue 11/3

5:00 am-2:25 pm

1 stop15h 25m

$721
Quickest round-trip

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 10/28

11:25 am-8:10 am

1 stop15h 45m

Lisbon Humberto Delgado

Fri 11/6

5:00 am-2:25 pm

1 stop15h 25m

$722

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Tue 9/22

12:01 pm-8:50 am

2 stops14h 49m

Lisbon Humberto Delgado

Fri 10/2

10:00 am-10:27 pm

2 stops18h 27m

$839

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 10/21

9:45 pm-8:00 pm

1 stop16h 15m

Porto

Wed 10/28

4:40 pm-6:30 am

1 stop18h 50m

$863

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Wed 8/12

7:40 pm-12:20 pm

1 stop34h 40m

Funchal Madeira

Tue 9/8

12:20 pm-5:05 pm

1 stop34h 45m

$889

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Tue 9/22

12:01 pm-8:50 am

2 stops14h 49m

Lisbon Humberto Delgado

Sat 10/3

10:00 am-10:27 pm

2 stops18h 27m

$899

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Wed 8/12

7:40 pm-12:20 pm

1 stop34h 40m

Funchal Madeira

Mon 9/7

6:55 pm-5:05 pm

1 stop28h 10m

$921

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Tue 8/18

9:45 pm-12:25 pm

1 stop32h 40m

Funchal Madeira

Wed 9/2

1:35 pm-8:10 pm

1 stop36h 35m

$1,095

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
7,985 reviews
Search Lufthansa flights
IberiaPriceFrom $494Free CancellationRating
7.0
3,213 reviews
Search Iberia flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
7,964 reviews
Search British Airways flights
American AirlinesPriceFrom $497Free CancellationRating
7.1
11,669 reviews
Search American Airlines flights
FinnairPriceFrom $509Free CancellationRating
7.6
1,393 reviews
Search Finnair flights
Air CanadaPriceFrom $516Free CancellationRating
7.1
11,012 reviews
Search Air Canada flights
DeltaPriceFrom $517Free CancellationRating
7.9
8,456 reviews
Search Delta flights
Air FrancePriceFrom $518Free CancellationRating
7.4
1,585 reviews
Search Air France flights
United AirlinesPriceFrom $529Free CancellationRating
7.4
9,695 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $612Free CancellationRating
7.4
1,771 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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