Cheap flights from Dallas to Portugal from $257
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 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Dallas to Portugal
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Iberia flights from Dallas to Portugal
Our best Iberia deals on Dallas to Portugal flight tickets
Air France flights from Dallas to Portugal
Our best Air France deals on Dallas to Portugal flight tickets
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 February. Flight prices, which tend to average around $606, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Dallas during October instead. Flights to Portugal in October, while not as cheap as those in February, still average around $666.
What is the cheapest day to depart on your flight to Portugal?
According to our data, Tuesday is the cheapest day to fly to Portugal from Dallas. The lowest ticket price found for a Tuesday departure recently was $767. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $879.
What is the cheapest time of day to depart on your flight to Portugal?
Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from Dallas to Portugal during this time can be as low as $789. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $891 per ticket.
How far in advance should I book a flight to Portugal?
You are more likely to see cheaper flights to Portugal from Dallas when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $773 when searching 25 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 $688 on momondo.
What is the cheapest airline that flies from Dallas to Portugal?
KLM, Air Canada, and Delta are the most popular carriers operating from Dallas to Portugal
What airlines fly to Portugal?
British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to Portugal from Dallas according to our data. British Airways is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 11 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.
Cheap Dallas to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight 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?
As of April 2025, there are 11 operators available to choose from 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 | ||
|---|---|---|---|---|---|
| PriceFrom $534 | Free Cancellation | Rating 7.6 1,267 reviews | |||
| PriceFrom $541 | Free Cancellation | Rating 7.4 637 reviews | |||
| PriceFrom $542 | Free Cancellation | Rating 6.6 6,717 reviews | |||
| PriceFrom $550 | Free Cancellation | Rating 8.0 7,897 reviews | |||
| PriceFrom $558 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $585 | Free Cancellation | Rating 7.0 2,657 reviews | |||
| PriceFrom $586 | Free Cancellation | Rating 7.8 1,323 reviews | |||
| PriceFrom $587 | Free Cancellation | Rating 7.4 8,616 reviews | |||
| PriceFrom $612 | Free Cancellation | Rating 7.0 9,028 reviews | |||
| PriceFrom $616 | Free Cancellation | Rating 7.4 1,427 reviews |
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.