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OPO → DFW

Find and Compare the Cheapest Ways to Fly from Porto to Dallas

Compare one-way, round-trip and flight + hotel packages from Porto to Dallas, a nonstop flight of about 9h 55m, with fares from around 540.

Search Live Rates for Porto to Dallas

Porto to Dallas flight facts

Porto to Dallas is an international route covering about 4,689 miles, arriving at Dallas/Fort Worth International Airport (DFW) in United States. Peak travel season in Dallas runs March–May & October–November (warm and sunny), while June–August is usually the quietest and best-value time to visit.

Key facts for flights from Porto to Dallas
Departing fromFrancisco Sa Carneiro Airport (OPO)
Arriving atDallas/Fort Worth International Airport (DFW)
Distance4,689 miles (7,551 km)
Nonstop flight timeAbout 9h 55m
Round-trip fares from$540 (estimate)
Cheapest monthsJanuary, February, October
Peak season in DallasMarch–May & October–November
Cheapest hotel months in DallasJune–August
Best time to book2 to 6 months ahead
Route info updatedOctober 16, 2026

When to visit Dallas

  • Peak season

    March–May & October–November

    Warm and sunny

  • Shoulder season

    February & September

    Mild, heat easing

  • Off-peak season

    June–August

    Hot and humid

Estimated round-trip fares by month, Porto to Dallas

Estimated lowest round-trip fare per month
MonthFares from
January$540
February$555
March$665
April$585
May$575
June$795
July$780
August$685
September$580
October$570
November$630
December$770

Flying from Porto to Dallas

Airlines Flying this Route

Ducoffs.com compares full-service and low-cost airlines flying between Porto and Dallas in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.

Best Time to Book Flights from Porto to Dallas

Fares on this route tend to be lowest in January, February, and October. For the best selection, book about 2 to 6 months before departure and stay flexible by a day or two.

Average Travel Duration

Porto and Dallas are about 4,689 miles apart. A nonstop flight takes roughly 9h 55m; connecting itineraries usually add 2 to 5 hours.

Porto to Dallas flight questions

How can I find the absolute cheapest flight from Porto to Dallas?

The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.

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

Based on typical seasonal demand, January, February, and October tend to offer the lowest fares on this route, with estimated round-trip prices starting around $540. Live prices change daily, so run a search for your exact dates.

How long is the flight from Porto to Dallas?

Porto and Dallas are about 4,689 miles apart. A nonstop flight takes roughly 9h 55m, while connecting itineraries usually add 2 to 5 hours depending on the layover.

When are hotels cheapest in Dallas?

Hotel rates in Dallas are usually lowest in June–August, when demand is quieter, and highest during peak season (March–May & October–November). Booking your flight and hotel together can save up to 30%.

Which airport do I fly into for Dallas?

This route arrives at Dallas/Fort Worth International Airport (DFW). Your search results also show nearby airports when they offer a cheaper or faster option.

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

For this route, booking about 2 to 6 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.

Is it cheaper to bundle flights and hotels together?

Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.

Travel guides for this trip

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