Cheap flights from Dulles Intl (IAD) to Porto (OPO) from $377

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Porto (average of $523). Flying from Washington, D.C. Dulles Intl Airport to Porto in June is currently the most expensive (average of $1,011). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

• What airport do you fly into for flights to Porto from Washington, D.C. Dulles Intl?

  Located just 6.8 mi from the city center, Porto is the airport most travelers will use when flying to Porto from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Porto (OPO) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 11 different airlines.

• Can I find flights from Washington, D.C. Dulles Intl Airport to Porto for under $800 on Cheapflights?

  Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Porto for under $800. The cheapest flight booked recently is on Delta for just $713, but on average you can expect to pay $810.

• Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Porto for under $800?

  There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Porto within the next 7 days for less than $800.

• What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Porto round-trip?

  Currently priced at $713, Delta will fly you from Washington, D.C. Dulles Intl Airport to Porto and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from TAP AIR PORTUGAL and PLAY - these airlines can fly you to your destination from $768 and $771, respectively.

• What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Porto one-way?

  $383 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on TAP AIR PORTUGAL and Air Canada, with prices starting from $402 and $505, respectively.

• What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Porto?

  Consider American Airlines, Air France or British Airways when booking your flight. These represent the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Porto.

• What does IAD to OPO mean?

  These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Washington, D.C. Dulles Intl Airport to Porto Airport flight would often be abbreviated as a IAD to OPO flight.

• Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Porto?

  Flights departing from Washington, D.C. Dulles Intl Airport and landing in Porto layover in Lisbon most frequently.

• What are some popular things to do or see while on a layover in Lisbon?

  Most Lisbon visitors opt to spend their time experiencing Chiado, Praça do Príncipe Real, and Praça de D. Pedro IV. Travelers on a layover in Lisbon can visit Chiado, Praça do Príncipe Real, and Praça de D. Pedro IV, by traveling 4.5 mi, 4.2 mi, and 4.3 mi, respectively after landing at Lisbon Humberto Delgado. Travelers can book a car rental at Lisbon Humberto Delgado for about $28 per day to make their sightseeing more efficient.

• Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Porto flights?

  Washington, D.C. Dulles Intl Airport to Porto flights have a layover in Madrid least often.

• Can I find deals for flights from Dulles Intl to Porto that include extra baggage allowance?

  The amount of baggage you can bring on your Dulles Intl to Porto flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

• Can I find deals on flights from Dulles Intl to Porto with specific airlines?

  Yes, Cheapflights allows you to browse and filter Dulles Intl to Porto flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

• Can I find deals for flights from Dulles Intl to Porto that include hotel bookings?

  Yes. In addition to deals on Dulles Intl to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

• How can I find direct flights from Dulles Intl to Porto?

  After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Porto.

• Can I find deals for business class flights from Dulles Intl to Porto?

  Yes. Cheapflights offers flight deals from Dulles Intl to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

• Can I find deals for flights from Dulles Intl to Porto that allow pets onboard?

  Many airlines flying from Dulles Intl to Porto offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

• Can I find deals on last-minute flights from Dulles Intl to Porto?

  Yes, you can often find last-minute deals on Dulles Intl to Porto flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

• How recently were the Washington, D.C. Dulles Intl Airport to Porto flight deals updated?

  The Washington, D.C. Dulles Intl Airport to Porto flight deals you see on this page were last updated on 5/16.