Question 1

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

Accepted Answer

Cheapflights users have booked flights from Washington, D.C. to Porto round-trip from $557. Other airlines that can offer you cheap pricing are PLAY, from $562, and KLM, from $567. SWISS is priced at 12% lower than the current average price of a flight leaving 3 months from now.

Question 2

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

Accepted Answer

To fly one-way, consider booking your trip with PLAY, which is currently one of the cheapest options available, starting at $321. Iberia flights start at $504 while deals on American Airlines start at $505 one-way.

Question 3

E

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Porto (average of $523). Flying from Washington, D.C. to Porto in June is currently the most expensive (average of $1,027). 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.

January

$523

February

$581

March

$599

April

$742

May

$888

June

$1,027

July

$980

August

$869

September

$760

October

$694

November

$554

December

$643

Question 4

When is the best time to book a flight from Washington, D.C. to Porto?

Accepted Answer

The best time to book flights from Washington, D.C. to Porto is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 5

When is the cheapest time to fly from Washington, D.C. to Porto?

Accepted Answer

Travelers seeking maximum savings on their Washington, D.C. to Porto flight should consider departing on Saturday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

How recently were the Washington, D.C. to Porto flight deals updated?

Accepted Answer

The Washington, D.C. to Porto flight deals you see on this page were last updated on 4/24.

Question 7

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

Accepted Answer

The most popular airlines flying from Washington, D.C. to Porto are American Airlines, Air France and British Airways. Something to consider prior to booking your flight.

Question 8

What are the most popular routes from Washington, D.C. to Porto?

Accepted Answer

The most popular flight routes from Washington, D.C. to Porto are Washington, D.C. Dulles Intl - Porto, Washington, D.C. Reagan-National - Porto and Baltimore/Washington - Porto.

Question 9

Can I find flights from Washington, D.C. to Porto for under $600 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from Washington, D.C. to Porto for under $600. The cheapest flight booked recently is on SWISS for just $557, but on average you can expect to pay $615.

Question 10

Are there last-minute flights available from Washington, D.C. to Porto for under $600?

Accepted Answer

There are currently 20+ open flights from Washington, D.C. to Porto within the next 7 days for less than $600.

Question 11

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

Accepted Answer

Washington, D.C. to Porto flights have a layover in Madrid most often. Lisbon sees the next most layovers on Washington, D.C. to Porto flights. Lisbon is followed by Amsterdam in terms of the most popular layover location for Washington, D.C. to Porto flights.

Question 12

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

Accepted Answer

Washington, D.C. to Porto flights that have layovers will least frequently stop in London. Washington, D.C. to Porto flights stopping in Paris are the next rarest.

Question 13

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

Accepted Answer

Puerta del Sol, Plaza Mayor, and Plaza de Espana are the most popular attractions in Madrid if you're in need of something to do during your layover. Puerta del Sol, Plaza Mayor, and Plaza de Espana can be accessed by traveling approximately 8.4 mi, 8.6 mi, and 8.6 mi, respectively from Madrid Barajas. Those on a layover in Madrid in need of a rental car can book one at Madrid Barajas for about $30.

Question 14

What are some popular points of interest to see during a layover in Lisbon?

Accepted Answer

Most Lisbon visitors opt to spend their time at Chiado, Praça do Príncipe Real, and Praça de D. Pedro IV. Those on a layover in Lisbon interested in visiting Chiado, Praça do Príncipe Real, or Praça de D. Pedro IV can do so by traveling 4.5 mi, 4.2 mi, and 4.3 mi, respectively from Lisbon Humberto Delgado. Those landing in Lisbon looking to spend some time exploring during their layover can rent a car for about $27 per day.

Question 15

What are points of interest worth seeing during a layover in Amsterdam?

Accepted Answer

If you're on a layover in Amsterdam and looking for things to do, consider visiting De Dam, Beurs van Berlage, or Anne Frank Huis. De Dam, Beurs van Berlage, and Anne Frank Huis are located about 7.0 mi, 7.2 mi, and 6.8 mi, respectively from Amsterdam Schiphol. Those looking to explore during their layover in Amsterdam can rent a car from Amsterdam Schiphol for about $40 per day.

Question 16

What is the cheapest day to fly round-trip from Washington, D.C. to Porto?

Accepted Answer

Wednesday flights are found to be more expensive to fly from Washington, D.C. to Porto. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Porto.

Question 17

How far in advance should I book a flight from Washington, D.C. to Porto?

Accepted Answer

Users have found that booking a flight from Washington, D.C. to Porto at least 36 days early can save you up to 4% on average compared to booking a flight this week. If booking 36 days before your flight isn’t an option for you, users have found flights from Washington, D.C. to Porto for as little as $501 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $501 for flights departing within the next 3 days.

Question 18

What is the cheapest month to fly from Washington, D.C. to Porto?

Accepted Answer

The best pricing can be found in the month of January. Prices to Porto from Washington, D.C. average $638. You can even find prices in January for less than $638, as users have found deals to Porto from as low as $175. The month of July appears to be one of the more expensive times to travel to Porto from Washington, D.C.. Flying in the targeted month can save you up to 34%.

Question 19

When is the cheapest time to fly from Washington, D.C. to Porto (WAS - OPO)?

Accepted Answer

Unlike in the evening, when flights are generally more expensive, you can save up to 16% on flights from Washington, D.C. to Porto by exploring options for tickets in the afternoon.

Question 20

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

Accepted Answer

Most people fly into Porto (OPO) if they book a flight to Porto from Washington, D.C.. On average, Porto has 0 inbound flights from Washington, D.C. per day from 11 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

Question 21

What does IAD to OPO mean?

Accepted Answer

Great question - IAD to OPO just means Washington, D.C. Dulles Intl Airport to Porto Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA).

Question 22

Can I find deals for flights from Washington, D.C. to Porto that include extra baggage allowance?

Accepted Answer

The amount of baggage you can bring on your Washington, D.C. 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.

Question 23

Can I find deals on flights from Washington, D.C. to Porto with specific airlines?

Accepted Answer

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

Question 24

Can I find deals for flights from Washington, D.C. to Porto that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Washington, D.C. to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 25

How can I find direct flights from Washington, D.C. to Porto?

Accepted Answer

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

Question 26

Can I find deals for business class flights from Washington, D.C. to Porto?

Accepted Answer

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

Question 27

Can I find deals for flights from Washington, D.C. to Porto that allow pets onboard?

Accepted Answer

Many airlines flying from Washington, D.C. 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.

Question 28

Can I find deals on last-minute flights from Washington, D.C. to Porto?

Accepted Answer

Yes, you can often find last-minute deals on Washington, D.C. 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.

Question 29

How does Cheapflights help users find flights from Washington, D.C. to Porto?

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to Porto. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 30

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Porto?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Washington, D.C. to Porto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 31

Can Cheapflights find flights from Washington, D.C. to Porto with no change fees?

Accepted Answer

Need flexible booking options for your flight to Porto from Washington, D.C.? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 32

Can Cheapflights notify me if prices for flights from Washington, D.C. to Porto become cheaper?

Accepted Answer

Yes! Start tracking prices for Washington, D.C. to Porto flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest$413	Average$476	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
British Airways	Cheapest$418	Average$751	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air France	Cheapest$418	Average$612	FlexibilityNo cancel fee	On-time77%	Search Air France flights
American Airlines	Cheapest$418	Average$667	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Iberia	Cheapest$420	Average$597	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Delta	Cheapest$420	Average$681	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Lufthansa	Cheapest$423	Average$538	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
KLM	Cheapest$428	Average$507	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Brussels Airlines	Cheapest$432	Average$462	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
United Airlines	Cheapest$485	Average$1,277	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Popular in	July
Cheapest in	January
Round-trip from	$523
One-way from	$504

Cheap flights from Washington, D.C. (WAS) to Porto (OPO) from $321

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

The best prices from Washington, D.C. to Porto are usually found in January or February, booked 76 days in advance, depart on a Sunday or Tuesday and return on a Thursday

Cheap flight deals from Washington, D.C. to Porto

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Round-trip from

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What is the cheapest day to fly round-trip from Washington, D.C. to Porto?

How far in advance should I book a flight from Washington, D.C. to Porto?

What is the cheapest month to fly from Washington, D.C. to Porto?

When is the cheapest time to fly from Washington, D.C. to Porto (WAS - OPO)?

Cheap SWISS flights from Washington, D.C. to Porto

Take a look at some of the lowest-priced SWISS flights heading from Washington, D.C. to Porto. Make sure to check back often as deals are often changing.

Cheap PLAY flights from Washington, D.C. to Porto

Some of the best deals we've found on PLAY flights traveling from Washington, D.C. to Porto. Deals frequently update to provide users with more options.

Cheap Washington, D.C. to Porto flights in April & May 2024

Find cheap flight options from Washington, D.C. to Porto specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,073,952 searches. Prices were last updated on April 25, 2024.

Scroll through some of the best deals on flights from Washington, D.C. to Porto in 2024. Check back soon for alternative fares.

Washington, D.C. to Porto 2024 flight deals

Discover exclusive flight deals for travel between Washington, D.C. and Porto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.

Scroll through some of the best deals on flights from Washington, D.C. to Porto in 2024. Check back soon for alternative fares.

Washington, D.C. to Porto flights leaving soon

Consider one of these great deals we found on last-minute flights from Washington, D.C. to Porto. To prevent any unwanted surprises, users should verify their flight info before booking.

One-way flights to Porto from Washington, D.C.

Users in need of a one-way flight from Washington, D.C. to Porto can choose from these deals. Users can also find round-trip Washington, D.C. to Porto flights by using the search form above.

Find flights from Washington, D.C. to Porto within your budget

When is the best time to book a flight from Washington, D.C. to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Porto. Price data was last updated on January 28, 2024.

The best time to book flights from Washington, D.C. to Porto is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

When is the cheapest time to fly from Washington, D.C. to Porto?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Porto. Price data was last updated on April 21, 2024.

Average price of flights to Porto by month

Plan your trip from Washington, D.C. to Porto by taking into account the cheapest months to travel. The average price of a one-way flight from Washington, D.C. to Porto is currently $396 while a round-trip flight costs $605. Price data was last updated on April 21, 2024.

Temperature and rainfall in Porto by month

Plan your trip to Porto by taking into account the average temperature and rainfall totals by month.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated April 25, 2024.

Read through reviews of airlines operating flights from Washington, D.C. to Porto, such as SWISS, PLAY and KLM. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

Can I find flights from Washington, D.C. to Porto for under $600 on Cheapflights?

Are there last-minute flights available from Washington, D.C. to Porto for under $600?

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

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

What are the most popular routes from Washington, D.C. to Porto?

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

What does IAD to OPO mean?

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

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

What are some popular points of interest to see during a layover in Lisbon?

What are points of interest worth seeing during a layover in Amsterdam?

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

Can I find deals for flights from Washington, D.C. to Porto that include extra baggage allowance?

Can I find deals on flights from Washington, D.C. to Porto with specific airlines?

Can I find deals for flights from Washington, D.C. to Porto that include hotel bookings?

How can I find direct flights from Washington, D.C. to Porto?

Can I find deals for business class flights from Washington, D.C. to Porto?

Can I find deals for flights from Washington, D.C. to Porto that allow pets onboard?

Can I find deals on last-minute flights from Washington, D.C. to Porto?

How recently were the Washington, D.C. to Porto flight deals updated?

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