DFW → OPO

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

Compare one-way, round-trip and flight + hotel packages from Dallas to Porto, a nonstop flight of about 9h 55m, with fares from around 530.

Dallas to Porto flight facts

Dallas to Porto is an international route covering about 4,689 miles, arriving at Francisco Sa Carneiro Airport (OPO) in Portugal. Peak travel season in Porto runs June–August (mild, long sunny days), while November–March is usually the quietest and best-value time to visit.

Key facts for flights from Dallas to Porto
Departing fromDallas/Fort Worth International Airport (DFW)
Arriving atFrancisco Sa Carneiro Airport (OPO)
Distance4,689 miles (7,551 km)
Nonstop flight timeAbout 9h 55m
Round-trip fares from$530 (estimate)
Cheapest monthsFebruary, October, January
Peak season in PortoJune–August
Cheapest hotel months in PortoNovember–March
Best time to book2 to 6 months ahead
Route info updatedOctober 16, 2026

When to visit Porto

  • Peak season

    June–August

    Mild, long sunny days

  • Shoulder season

    April–May & September–October

    Cool and crisp, fewer crowds

  • Off-peak season

    November–March

    Cold, damp and grey

Estimated round-trip fares by month, Dallas to Porto

Estimated lowest round-trip fare per month
MonthFares from
January$585
February$530
March$660
April$670
May$655
June$675
July$760
August$680
September$595
October$555
November$645
December$765

Flying from Dallas to Porto

Airlines Flying this Route

Ducoffs.com compares full-service and low-cost airlines flying between Dallas and Porto 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 Dallas to Porto

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

Average Travel Duration

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

Dallas to Porto flight questions

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

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 Dallas to Porto?

Based on typical seasonal demand, February, October, and January tend to offer the lowest fares on this route, with estimated round-trip prices starting around $530. Live prices change daily, so run a search for your exact dates.

How long is the flight from Dallas to Porto?

Dallas and Porto 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 Porto?

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

Which airport do I fly into for Porto?

This route arrives at Francisco Sa Carneiro Airport (OPO). 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 Porto?

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.