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Price, demand and travel trends for Dallas to Portugal flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Are flights from Dallas to Portugal cheaper or more expensive than last year?

Fares from Dallas to Portugal are running about 5% higher than they were around this time last year, averaging $824 round-trip.

What’s the cheapest month to fly from Dallas to Portugal?

April is the cheapest time of year to fly, with average fares of $613. Prices are highest in June, when average flight costs increase to around $1,016.

When is the best time to book flights from Dallas to Portugal?

Book your flights 14 weeks before your trip. KAYAK data collected over the past 12 months shows that booking in this window can save you around 19% compared to booking last-minute (within 2 weeks of departure).

What’s the cheapest day to fly from Dallas to Portugal?

Tuesday tends to be the cheapest day to fly from Dallas to Portugal, while Wednesday is the most expensive. Fares run about 14% higher that day, based on the past 12 months of KAYAK data.

What's the cheapest time of day to fly from Dallas to Portugal?

Data from the past 12 months shows it's cheapest to fly to Portugal during the evening with average prices of $829. The morning is the most expensive time to fly, with average prices of $949.

Key details for Dallas to Portugal flights

Low season

January
Beat the crowds with an average 25% drop in travelers.
The most popular month to fly with an average 41% increase in travelers.

Your Dallas to Portugal flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • How much should I budget for a flight from Dallas to Portugal?

    Over the past 12 months, round-trip fares from Dallas to Portugal have ranged from $685 to $1,110.

  • What airlines fly nonstop from Dallas to Portugal?

    Based on the flight schedule for the next 3 months, no airline regularly operates nonstop flights from Dallas to Portugal. One-stop options include:

    • American Airlines
    • United Airlines
    • Iberia

  • Which cabin classes are available on flights from Dallas to Portugal?

    On flights from Dallas to Portugal you can book Economy Class, Premium Economy Class, Business Class or First Class.

  • What are some popular landmarks in Portugal?

    KAYAK travelers' favorite landmarks in Portugal include:

    • Chiado
    • Ribeira Square
    • Avenida dos Aliados
    • Commerce Square

  • 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.

Your guide to booking Dallas to Portugal flights

Get tips on when to book, when to fly and what to know before your trip.
  • If you can plan ahead, the sweet spot for booking your flight is 14 weeks before your trip. KAYAK data shows fares in this window are around 19% lower than last-minute bookings (made within 2 weeks of departure). Not ready to commit? Set a Price Alert and we'll let you know when prices change.
  • If your travel dates are flexible, book your trip for April when flights are typically cheapest and avoid June when prices are at their highest.
  • Flying on Tuesday is usually the cheapest. Flights on Wednesday cost about 14% more on average, so being flexible with your travel dates could help you save.
  • Start your trip in Lisbon, which is the most popular destination in Portugal. From there, it's easy to continue on to other popular destinations such as Porto, Albufeira and Funchal.
  • 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.
7.6
FinnairOverall score based on 1417 reviews
6.7Food
6.9Entertainment
8.2Crew
7.4Comfort
7.6Boarding
Airline reviews

Will never fly American Airlines business class again. Medicore service and very old aircraft.

2.0 MediocreLamia, Sep 2026
Read more Finnair reviews

Will never fly American Airlines business class again. Medicore service and very old aircraft.

Awful. Delayed for unknown reason. Boarded late, part of a Tight connection ands had to go through customs and immigration. And they lost my bags.

The seats are very uncomfortable. They never have tomato juice. Usually late

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.

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.

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

The staff were all particularly great. The plane was clean and fresh. The bassinet worked great. It was all very nice.

Boarding uncomfortable. Stewardess said I would have to check my carry on as there was no room in the overhead bins. Another passenger helped me find a spot.

The plane was warm and stuffy. The crew was friendly but got 2 orders wrong. I asked for sparkling water and wine with dinner and got neither. I asked for black coffee with breakfast and got coffee with cream. Service was so slow on my side of the plane they ran out of 2 of the 3 desserts at dinner and I was in row 12.

Flight was so congested it was disgusting. Hals of the hostesses clearly seemed to be racist. no sanitation maintained in the restrooms.

The WiFi went out an hour before the flight was due to land so I did not get my money's worth.

Bag got checked but I thought one personal item was guaranteed.

It was terribly delayed with zero support from united airlines. I reached at 1 am in the night. They did not provide any option to change the flights.

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

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

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

A little bit more leg room in premium economy. I am 6’4”.

Sucks ! All three flights I was on this trip were delayed.

When I got our tickets, my husband and I were easily able to get seats together (including a window seat). When we checked in at the airport all the seats were reset and we had to pick new ones, so we couldn’t sit together because there were only middle seats! Ugh that’s the worst. We were back so far we had to check our carry ons which was annoying because I bring an expensive camera that I don’t/cant check so I had to reorganize my items. Once we were seated on the plane we had to wait an hour to take off and they said there was some weather/air traffic in Denver but it was unclear. The lady I sat next to complained that our seats didn’t go back and we both got free complimentary snack boxes which were quite good. I wasn’t going to say anything about the seats, they were the typical uncomfortable kind. It would have been fine if the 2 hr flight hadn’t turned into 3 hrs. Not the best flight but also not the worst.

The amount of gate changes and delays is completely unacceptable. This has happened on 3 of 4 trips between Chicago and Dallas in 2026.

extremely tight seats. seating next to a large person makes the space very uncomfortable. The crew is not very friendly either.

The flight was 3 hours and 40 minutes late. The communication around the delays was awful. I fly this route regularly and it is always late. I don't understand it. The flight attendants were not friendly and were generally loud. This was an overall bad look for American Airlines.

Very Good in general. Serving attitude are very good. Just a suggestion: There 2 things can be improved: 1. The flight attendants can lower the voices when they talked in the serving station. Sometimes they talked loud and we could hear clearly what they said about the passengers. 2. Please don’t throw the utensils and plates it’s too loud and noisy. They broke the glasses and plates sometimes at the business class. These all could be done in a gentle way. Just some small observations. Thanks.

Flight was delayed a couple of times. Which is annoying, but manageable.

This trip on American was the WORST I have ever experienced. The plan was LATE taking off from Tucson due to mechanical issues. It caused me to arrive late in Dallas, so I tried to move flights so I would not miss my dinner meeting. First attempt, that flight was delayed, Second attempt, that flight was also delayed. Got back on original flight, the mechanical issue was NOT fixed, so we de-planed and had to find the new gate. Overall, was which was 4 hours delayed and missed the dinner meeting. Friday return, flight from Orlando was on time and landed early. Then the next flight was delayed due to crew coming in late, and them waiting on other passengers. After 90 minutes of delay, we boarded, and then were informed the Fist Officer could not fly due to time constraints. At 12:15 AM we were offered a hotel for a 4:20 boarding flight. Not happening. DFW was COLD and no place to sleep. Plane delayed again to 6:50, but was late taking off AGAIN. Finally landed in Tucson at around 8AM. Should be refunded 75% of the ticket costs due to negligence, nothing more.

American eagle and American Airlines are bad, cancelations, delays and no customer service

Three terminal changes in DFW and once again a flight that was delayed. On time departures are rare with American. Not loving my experience lately. I fly every week.

We had bad delays and waited for hours on end, we did receive a 12 dollar coupon to use in the airport though. Oh wait, we got that on the plane so we couldn't even use it. I truly never want to fly American ever again.

Flight DFW > CVG was delayed with late notice. My flight into DFW from CVG (previous) was delayed by multiple hours with very poor communication & advance notice. And having the flight attendants announce the credit card during the flight when I can't opt felt very insulting and cheap. I already paid you for the flight, you shouldn't be able to take my time and attention hostage for further advertising.

We spent two hours on the plane before taking off due to a fault which I would have thought they would have found before boarding so we could have stayed in the airport. Water was in short supply so restricted due to the extra time and so hot. Vegetarian food was awful and wish I hadn’t ordered it and was left starving

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.

We departed late but made up most of the time in flight. Our ticket was pure economy, so it wasn’t anything fancy; however, I heard that we arrived in Madrid at the exact same time that First Class passengers arrived! Overall, our experience was similar to what we had on other American Airlines transatlantic flights - good value at a reasonable price. We were even able to get our carry-on baggage onto the plane without needing to gate check it.

The crew were not very personable. The crew did not serve tea or coffee. The bathroom was not kept clean. Two out of the 5 toilets in the cabin weren't working.

I described my experience in the previous window. I didn't realize that there would be another opportunity for this flight. Please look at my response in the previous window.

Boarding was 2 1/2 late no explanation Captain said he did not know why, but he rested at home for an extra couple of hours. Food was edible, Nothing more.

The flight was delayed twice. When the crew explained about the debris causing flat tires, I was glad they took the time to change all four.

The airline refused to board me because I showed up only 50 minutes prior to departure time, despite the fact that shortly before that, when I arrived at the airport still in time, they changed the terminal and I had to take a bus that took 20 minutes. Keep in mind that for some maintenance error I could not check in online like I usually do. Personnel at the airport was unable to let me in, customer care was beyond useless, the original airline operator (Iberia) was as useless as a toilet paper roll core in time of a wipe and all this uselessness made me waste my ticket, my reservations, my long time parking, food and most of all the joy of being with my family for the new year after working my bottom off even at Christmas. Am I happy? Come and ask me in person!

The food was horrible. The crew skipped over me for drinks(only got food?). I had to wait until everyone else was served drinks in order to receive mine(meal was done). No earphones were given. No free WiFi.

WILL NEVER FLY AMERICAN AIRLINES EVER AGAIN A TRUE DISGRACE

Flight was delayed 4 hours, gate change was a big trek the opposite direction, gate agent indicated a lack of faith that we would actually fly.

we originally had premium economy seats when we booked, but because we were forced to re-book because the first leg of our journey was delayed for several hours, we had to fly economy. Less room, less comfortable.

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.

Late! Late and late! More than 1hr 30mn. This sucks when it is the last of a 4 flight journey. I missed my dinner! Which is not nice on Valentine’s Day!!! But better than the gate next to us, the poor Chinese people were rebooked to the next day flight. AA had to call security as it became very heated with the passengers! It was a mess at DFW that afternoon/evening. I wish they had some food for the people who travel as part of international journey. Indigo does it in India and it is fantastic.

My enetertainmnet screen was broken. Lost my bags. Almost missed my flight do to connection issues with (despite a request) ZERO help from crew. Food was edible. Potatoes pretty good even

Didn’t fly with them as someone had cancelled my flight

We were never able to take this flight because our first flight from Austin to Dallas was cancelled.

The internet was horrible. Plus they charged me $25 for service that didn't work which should have been free since I'm Concierge Key. The flight attendant Rick Young was excellent. Greeted me by name and very attentive.

Boarding in Dallas was hell with extremely rude gate agents , especially a lady named Rajathi who was the epitome of rudeness with no compassion at all . She was horrible and I wonder why airlines have people like her on their roster who exude arrogance and haughtiness . Will probably not fly British Airwsys because of people like her .

All and it was good . But no one woke me when meals came around . Please have a don’t not disturb sign if you opted for that . Left very hungry missing all meals .

More options for your flight from Dallas to Portugal

Complete your trip to Portugal with a hotel stay or car rental