$333 Find Cheap Flights from Dallas to Portugal - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dallas to Portugal departing on 12/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Dallas to Portugal

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Lisbon
Lisbon2 stops$949
Porto
Porto1 stop$852
Lisbon
Lisbon2 stops$949
Porto
Porto1 stop$852

Book Cheap Dallas to Portugal Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dallas to Portugal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dallas to Portugal

Wed, Sep 2 - Wed, Sep 9
Turkish Airlines Logo
9:30 pm - 9:40 am
DFW
-
OPO
30h 10m
1 stop
Turkish Airlines Logo
4:40 pm - 7:35 pm
OPO
-
DFW
32h 55m
1 stop
$852Turkish Airlines
Fri, Sep 11 - Fri, Sep 18
Turkish Airlines Logo
9:30 pm - 9:45 am
DFW
-
OPO
30h 15m
1 stop
Turkish Airlines Logo
10:40 am - 7:35 pm
OPO
-
DFW
38h 55m
1 stop
$877Turkish Airlines
Mon, Aug 17 - Wed, Sep 2
KLM Logo
6:32 pm - 9:35 am
DFW
-
FNC
33h 03m
2 stops
KLM Logo
10:25 am - 3:50 pm
FNC
-
DFW
35h 25m
2 stops
$888KLM
Sun, Aug 16 - Wed, Sep 2
KLM Logo
6:32 pm - 9:35 am
DFW
-
FNC
57h 03m
2 stops
KLM Logo
10:25 am - 3:50 pm
FNC
-
DFW
35h 25m
2 stops
$894KLM
Wed, Aug 19 - Wed, Aug 26
United Airlines Logo
12:25 pm - 7:00 am
DFW
-
OPO
12h 35m
1 stop
United Airlines Logo
11:20 am - 3:00 pm
OPO
-
DFW
33h 40m
2 stops
$917United Airlines
Wed, Jul 15 - Fri, Jul 24
United Airlines Logo
7:15 am - 8:20 am
DFW
-
LIS
19h 05m
1 stop
United Airlines Logo
11:25 am - 9:44 pm
LIS
-
DFW
16h 19m
1 stop
$951United Airlines
Thu, Jul 9 - Thu, Jul 23
Finnair Logo
4:50 pm - 3:50 pm
DFW
-
LIS
17h 00m
1 stop
Finnair Logo
6:35 am - 8:10 pm
LIS
-
DFW
19h 35m
1 stop
$961Finnair
Thu, Aug 20 - Sun, Aug 23
American Airlines Logo
9:40 pm - 6:10 pm
DFW
-
LIS
14h 30m
1 stop
American Airlines Logo
6:35 am - 8:10 pm
LIS
-
DFW
19h 35m
1 stop
$962American Airlines
Sun, Jul 26 - Tue, Aug 11
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
Mon, Aug 31 - Mon, Sep 14
British Airways Logo
7:40 pm - 6:35 pm
DFW
-
FNC
16h 55m
1 stop
British Airways Logo
6:55 pm - 5:05 pm
FNC
-
DFW
28h 10m
1 stop
$1,017British Airways
Booking Insights

KAYAK's insights & trends for Dallas to Portugal flights

Get data-powered insights and trends into flights from Dallas to Portugal to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Dallas to Portugal?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Dallas to Portugal, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Dallas to Portugal is April, when tickets cost $382 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $747 and $588 respectively.

How far in advance should I book a flight from Dallas to Portugal?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Dallas to Portugal, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Dallas to Portugal, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Good to know

Cheapest flight$333
Flight from Dallas Love Field to Lisbon

FAQs - booking Portugal flights

  • Can I leave my car at DFW?

    Passengers who wish to leave their car at DFW while flying out have long-term, hourly and daily parking options that they can choose from. Those looking for long-term parking options can opt for Valet, Remote, Express and Offsite parking lot options. Alternatively, if you want to park short-term, you should consider parking at the terminal parking lots.

  • What can I do at DFW before boarding my flight?

    DFW is home to multiple amenities that passengers flying through the airport can utilize if they have some time. DFW has artwork and displays various paintings and sculptures at the airport that you can explore. Not only that, but you can also enjoy watching aircraft land and take off at the observation deck. Alternatively, you can get spa services from massages, pedicures, manicures and facials at one of the numerous spas at the airport.

  • Do Portugual airports offer accessibility services?

    If you traveling with a companion with limited mobility through any of the Portugual airports, ensure that you contact your airline earlier to arrange for accessibility services. The airports offer extra assistance and wheelchair service upon request. Additionally, they are equipped with wheelchair-accessible amenities, including washrooms.

  • Are there lounges at any of the Portugual airports?

    All the Portugual airports feature lounges that passengers can take advantage of to unwind and relax. The lounges offer excellent services, including meals, drinks and entertainment. Note that most of these lounges are pay-per-use lounges.

  • How does KAYAK find such low prices on flights from Dallas to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Dallas to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Dallas to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Dallas to Portugal is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Dallas to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Dallas to Portugal with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Dallas to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Dallas to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Portugal

  • Dallas Fort Worth International airport (DFW) features shower facilities that passengers flying through the airport can take advantage of before boarding their flights to Portugal. These shower facilities are found in the Minutes Suites. You must pay a premium if you want to access the service.
  • Let your young children play in the McDonald's play area at DFW located at Gate D8 before taking off. The play area is equipped with electrical charging outlets and soft seating for parents.
  • If you risk missing your flight and need to get to the airport faster, you should opt for taxi services. With taxis, you can get to DFW in approximately 23 minutes. On the other hand, if you are traveling on a budget, you should consider a tram which takes 49 minutes to cover the same distance; however, it is the cheapest.
  • Upon arrival at any of the Portugual airports and looking for specific information, you should go to the information desks available at the airports to seek the assistance you need. At Lisbon International Airport (LIS), these booths are found in the departures and arrivals halls. At Porto International Airport (OPO), they are located in the baggage claim area, departure lounge and arrivals area. On the other hand, at Faro Airport (FAO) they are situated airside and landside.
  • If you feel hungry while at LIS, visit the many food booths located in terminal 1 landside and airside and explore the different cuisine. At OPO, these eateries are found on both landside and airside, while at FAO, they are located on the landside. OPO and FAO also have vending machines.

Reviews of the top 5 airlines serving from Dallas to Portugal

 
Need help choosing which airline to fly with from Dallas to Portugal? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.7
FinnairOverall score based on 1410 reviews
6.9Entertainment
7.7Boarding
7.4Comfort
6.7Food
8.2Crew
Airline reviews

Finnair was not able to get our luggage on a connecting flight and there was a substantial delay of two days to obtain our lugguage. They did not communicate well, and we had to travel a significant distance to finally get our luggage. It has been a very negative experience.

2.0 MediocreAnonymous, Jun 2026
LAX - HEL
Read more Finnair reviews

Finnair was not able to get our luggage on a connecting flight and there was a substantial delay of two days to obtain our lugguage. They did not communicate well, and we had to travel a significant distance to finally get our luggage. It has been a very negative experience.

Flight on time, landed well ahead of schedule. Attendants were excellent and responsive

The crew was friendly, and the flight landed on time

Rude Iberia security crew at the Madrid terminal. No Iberia officials to be found to redress complaints at the gate. No supervisors. Nothing for processing upgrades at the gate Iberia app did not work to let me upgrade my options to higher classes. No water was offered on a hot day in Madrid. Madrid airport air conditioning was so weak that people were sweating. Never book on any airlines that codeshare with Iberia.

Comfort. Not good very little space after the person in front of you lay back.

Business seating is soooo uncomfortable. You can sit straight up or lay down. You need pillows behind you because the back doesn’t lay down. Those are need to “prop” you up. The chair has no padding whatsoever. Food was gross. I’ve eaten on Finnair before and the food was exceptional. This time it gave 2 people in our party diarrhea. It was the chicken dish. I took 2 bites and didn’t eat anything more. The flight attendants were nice. You needed an additional lounge in Terminal D at DFW Airport. After waiting 40 minutes to enter, we finally gave up and went to a bar across from the club doors. I’m unsure if I’ll ever book a Finnair flight again.

Very good seat, very comfortable, good food, and good service.

It was a good flight, very comfortable seats for sleeping in business class. Probably the most comfortable business class seat I've ever had (20+ times in business class on various airlines). Service was good, but the only downside is my screen didn't work and it had to be reset multiple times to get it to shut off. I had to block my eyes because the screen was white almost the entire flight and I wore an eye mask when I slept. But when eating and reading in my seat, my eyes hurt because the only way to turn the screen off was reset it and the screen would only be off for a few minutes at a time.

Everything was wonderful! AirBus seats are more comfortable to sleep in as compared to the Boeing planes.

All reviews good because...flight from BWI to London ,economy seats was miserable. I usually book 1,step up from economy but this would have added 1500 bucks 1 way. Bit the bullet and upgraded for retun flight, otherwise all ratings would have been rock bottom.

Flight cancelled instead of leaving Friday am now, maybe, leaving Sunday

The pilot had to extend the flight time from san antonio to Houston to burn off fuel. This caused a lot of unnecessary stress since we had a tight connection to Aruba. And with no other flights going to Aruba we were worried about spending a night in Houston. We had to to run to our connection because of the flight crews mistake. Not happy.

one of the flight attendants on the Dallas to frankfurt leg was somewhat rude..

Packed flight, which makes it tough on crew and boarding staff (and the customers of course). But this was great boarding, clear instructions, etc. Traveling on the weekends are always fraught with danger as you have families and less frequent flyers thus more confusion. But this flight went as planned.

Boarded early, left early, arrived 40 mins early! A win win for me!

I felt scammed. The priced advertised was different than what I paid. I paid the whole some online. I then got a call 20 minutes later saying I need to paid 70 more person. She said the price online is not the guaranteed price.

MY FAMILY'S LUGGAGE WAS LOST FROM ROME TO BARI. I WAS THE ONLY ONE THAT RECEIVED MY LUGGAGE FROM ROME TO BARI. AFTER DEPLANING IN BARI, WE WASTED A LOT OF TIME AT BAG CLAIMS LOST AND FOUND REPORTING THE CLAIM AND PLEADING FOR THE BAGS TO BE DELIVERED THE NEXT DAY. WE WERE TOLD THAT IT TAKES 3 DAYS MINIMUM TO DELIVER. MY DAUGHTER AND MY GIRLFRIEND NEEDED THEIR PERSONAL THINGS AND WE WERE STAYING 3 HOURS AWAY FROM THE BARI AIRPORT. WE HAD TO DRIVE 3 HOURS TO THE AIRPORT TO COLLECT OUR LOST LUGGAGE THE NEXT DAY. WE ARE NOT HAPPY WITH THE EXPERIENCE

We had a delay, but thankfully I made it to my connection. Overall it went smooth

Friendliest Flight Attendant I’ve seen since I flew on Southwest Airlines. The whole trip was outstanding…and arrived Early!

Left an hour and a half after the listed time. Up side was it had TV screens on the seat.

Flight was delayed 5 hours. Initial reason for delay was 'maintenance' - which makes sense. Then, the additional 2 hours continued to say it was maintenance - when I know EWR had a 2 hour delay. AA did not say that. Additionally, when boarding, there was only one agent at the counter for a long time - until another came to help. After boarding, we had to wait another 45 minutes due to 'no catering'. So while we waited for catering, AA continued to board additional passengers - which seemed odd - and raised questions about what really was going on. I sat in First Class. During the flight, the flight crew allowed a significant number of non-First Class passengers to use the front bathroom - which created a very crowded environment in First Class which was uncomfortable. This also delayed First Class passengers from using the bathroom. Overall, horrible experience.

Another uncoordinated American experience. Always surprises me at DFW for them of all places. Have to take this flight as there are no other good time options. We knew from the start that something was wrong, but the pilot wouldn't tell us. I just watched my Kayak app grow the delay by 10 minutes as it went to 3.5 hours. They were uncoordinated with maintenance (as maintenance, when finally arriving, knew within 15 minutes the plane wasn't going. No 'sorry' or 'this is what is going on' comment. The pilot seemed unfazed / didn't care about the process we were going through.

The seats. The seat in front of me was awful and when the guy sat down, it flew back and hit my head when I was putting my backpack under the seat, It didn't make for a pleasant experience,

The plane was large, not full, but one with 3 seats near each window and 4 in a row in the middle of the plane. There were screens on the backs of the seats for entertainment and information. To use the entertainment one needs ear plugs that physically plug into the screen. My husband had some he let me use as I only had blue tooth type. The stewards gave out some headphones to some, but when my neighbor asked for some, the steward said no. So maybe they ran out? Idk. Bring the old kind of headphones or earbuds if you want entertainment in case this is the type of entertainment offered. We had a very tight connection in Miami. 43 minutes. The other economy passengers allowed us to get ahead of them because I asked if we could since we were near boarding time for our next flight and 35 gates away. They were extremely kind. First class wasn’t going to allow us to pass through. We did make the next flight. Our baggage didn’t, but they were delivered to us the next day and we were prepared with essentials in our carry on packs.

Everything went as planned. The only issue I had was with the gate C31 attendant. The person could barely speak English and was very difficult to understand.

They made nearly everyone check their bag because the overhead bins are way too small. Extremely inconvenient

Was put into a seat right behind the toilet that had no entertainment possible but did have plenty of leg room over noisy part of plane.

Movies on my phone are great. It would be nice to have a gluten free snack option.

They lost my baggage and I am still struggling to the information and update

Flight delays for communication overall not a good experience uncomfortable on the plane. Person in front of me reclined his seat, putting them inches from my lap.

Not bad but they lost 2 of my bags when I got to Florence

Puddle-hopper. Quick-ish flight. Don’t expect to have much/any in-flight entertainment (movies/TV, etc).

Couldn’t get boarding passes online, delayed an hour, and smallest amount of space on board I’ve ever encountered for such a long flight.

In general, I've had excellent experiences with Iberia flights and will continue to use them. In this last flight there were two things that didn't go right. I didn't get the kosher meal I had pre-requested when I had checked in on-line. Things worked out OK as we ended up eating the fish and vegetarian choices, which were really good. The other issue was that some movies for me and my wife started fine but after 8-12 minutes the content just switched to something else. The flight attendant reset our entertainment systems, but the problem persisted. We ended up choosing other movies/TV shows that did work fine.

Awful. They didn't even show concern that her connecting flight( Dallas to Mardrid) was gone/missing. I don't understand how that is even possible. Rudest answer from one of the crew was that American Airlines sold the tickets to somebody else. My daughter was not in the list.

The flight was canceled on a Thursday last minute. I lost thousands of dollars in hotels and car rental

Excellent lie flat seat for premium economy! Great staff. Bad food . Not so great entertainment. My bag didn’t make it either.

Really like the idea experience on this airline I will use again

Plane delayed due to weather. Plane boarded, then told to unboard due to a maintenance issue.

the seats were so cramped you could barely move. it was difficult to eat when passengers would recline their seats. the seats were so flimsy and unstable that whenever someone got in and out of their seat, it bounced like a spring back in your face. the movies were nice. the food was terrible. even though the conditions were terrible, they tried to pressure passengers to relocate their seats to accommodate adults who were related and wanted to sit next to each other, even after the passengers expressed that they did not want to move for that purpose. on the connecting flight, the “service” consisted of items for purchase. even though the flight was only 45 minutes, once again passengers (including me) were pressured to relocate for people to sit next to each other. they couldn’t be apart for 45 minutes? this was much less compelling than being apart for an 8 hour flight.

Thanks to a delay of an hour of my flight to Philadelphia on American Airlines I missed my connecting flight to Amsterdam. On arrival at Philadelphia he crew on the delayed flight did not ask the passengers to let connecting passengers get off first and I arrived a few minutes after boarding was closed at the original time for the flight to AMS, this despite the fact that I had received a message from American Airlines that departure was delayed by 25 minutes. Overall very poor service, no effort from the part of American Airlines to accommodate the passenger, just rebook the flight for the next day.

It's hard to tell where to plug in electronics, and the port on my seat didn't work. Their entertainment system was down. Vegetarian food options were tasty. Friendly, helpful flight attendants.

Boarding process was chaotic. Confusion over Boarding gates: gate 55 or gate 56 ???. Unnecessary standing in long lines to board. Better to call out Boarding groups one at a time and everyone else to sit. Airline only has 2 Boarding groups 1-3 and 4-9. That causes over crowding and chaos

Lady next to me was coughing profusely the entire flight, other lady moved seats because of it, 8 hours of that during an overnight flight is a bit much.

The flight was ok. The seats are so small. The free wifi for members was not an option on this flight. The one flight attendant, older woman with straight white/grey hair, was very rude. The gentleman next to me asked about the wifi since he was a member as well. He stated, accurately, that the option to enter the idea number was not available. Her response was, "I don't know what to tell you" and walked away from him. The rest of the staff was wonderful. I asked another flight attendant about the wifi, she said the free wifi was not enabled on that flight (true or not- at least she was friendly). It was also pretty dirty. When I opened the tray table it had mushed crumbs and there was a dirty used pair of ear buds in my seat pocket. Lastly the air vent above my head was working but stuck so I was unable to move it to face me when it got warm. I fly American often but this really was not a great flight.

24 hour delays aren’t even heard in 3rd world countries with archaic transportation systems. I’m never flying American Airlines again.

All crew except 1 were excellent. When I asked assistance with business class seat conversion to a bed (not being familiar as never used before but have numerous times with other airlines) crew member helped very reluctantly. I should have told her that business class seat conversion is totally different in each airline such as Delta, New Zealand Air and United. Sorry it was my 1st time with America Airlines. Now I know, I won't bother asking assistance in future.

Nice aircraft. Good crew. Delayed departure from Houston, but arrived on time in London. Main thing I don’t like about flying BA is having to transit through security in London Heathrow. A major pain!

It was not British Air, we were put onto Air Portugal for our London to Lisbon leg.

Good service, food and comfort in World Traveller Plus. Entertainment was poor - no wifi on the way out and barely working on the way back. Not a great choice of entertainment on the seat back tv.

Everything you need to know for your flight from Dallas to Portugal

Cabin class types available on flights to Portugal

Cabin classes available on flights to Portugal. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.