Cheap flights from Dallas to Porto from $289
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 Porto departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Dallas to Porto
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 Porto?
The month of January is, on average, the cheapest month to fly to Porto from Dallas, with most prices found around $507. If you aren’t able to travel during the month of January, then book flights to Porto from Dallas during February instead. Flights to Porto in February, while not as cheap as those in January, still average around $585.
What is the cheapest day to depart on your flight to Porto?
The cheapest day to depart on your flight to Porto is on a Tuesday when prices can be found for as low as $729. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,033. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.
What is the cheapest time of day to depart on your flight to Porto?
In the evening is the cheapest time of day to fly from Dallas to Porto when you can find flight prices for as low as $802. Flying to Porto in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,218 on average. Flights to Porto from Dallas at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Porto?
You are more likely to see cheaper flights to Porto from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $802 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Dallas for as low as $585 on momondo.
What is the cheapest airline that flies from Dallas to Porto?
Delta, United Airlines, and KLM are the most popular carriers operating from Dallas to Porto
What airlines fly to Porto?
Iberia, United Airlines and American Airlines are the top three most popular airlines that fly to Porto from Dallas according to our data. Iberia is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 5 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.
Cheap Dallas to Porto flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dallas to Porto
How far is Dallas to Porto by plane?
The distance between Dallas and Porto is about 4687.1 mi. A reasonable flight in good conditions will take 11h 45m.
When did momondo last update prices for flights from Dallas to Porto Airport?
Prices for flights from Dallas to Porto Airport were last updated today.
How many operators does momondo search for flights from Dallas to Porto Airport?
As of July 2025, there are 5 operators available to choose from for flights from Dallas to Porto Airport.
How old do you have to be to fly from Dallas to Porto Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dallas to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents required for your trip to Porto Airport 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 Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Dallas to Porto
Compare and see reviews for airlines that fly from Dallas to Porto with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $546 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $580 | Free Cancellation | Rating 7.0 2,820 reviews | |||
| PriceFrom $631 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom $693 | Free Cancellation | Rating 7.4 8,861 reviews |
Traveling to a place near Porto?
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Why should I use momondo to find a flight deal from Dallas to Porto?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Porto from Dallas.
Can I find flights from Dallas to Porto with flexible booking policies on momondo?
Yes. All flights to Porto 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 Porto?
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 Porto.
I’m not ready to book a flight from Dallas to Porto right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Dallas to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.