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

According to our current data, United Airlines ($550), Lufthansa ($578), and SWISS ($604) offers the cheapest pricing from Porto to Washington, D.C.. You may be able to fly from Porto to Washington, D.C. for 21% less than the average price by searching for these airlines.

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

One-way options have recently been found by users for as low as $482 on British Airways. Other airlines that offer cheap prices include Turkish Airlines from $534 and Iberia from $978 one-way.

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

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

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

When deciding which route to take from Porto to Washington, D.C. consider Porto - Washington, D.C. Reagan-National, Porto - Washington, D.C. Dulles Intl or Porto - Baltimore/Washington as they are the most popular.

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

Flights from Porto to Washington, D.C. are found to be more expensive on Friday. 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 Washington, D.C..

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

April is one of the best times of the year to fly to Washington, D.C. from Porto. Prices for April average $698 per person but you can even find prices for as low as $470. The most expensive prices can be found in the month of January. Opting for a April flight can save you 27% on your journey compared to booking in January

Most accurate provider : When it comes to deals on Porto-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Porto-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Porto (OPO) is the airport you will fly out of if you book a flight from Porto to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Porto; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Porto airport to Washington, D.C.. It is only a 6.8 mi journey to Porto (OPO) from Porto’s city center.

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

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

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

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

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

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

$470+ Flights from Porto to Washington, D.C.

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1. Tell us where you want to go

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$536 (Gotogate)
One-way from	$470 (Kiwi.com)
Popular in	January
Cheapest in	April
Average price	$720

Provider with most accurate pricing for Porto-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Porto-Washington, D.C. (WAS) flights.

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From Porto to Washington, D.C. (WAS)

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One-way flight from Porto to Washington, D.C. (WAS)

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High demand for flights, 7% potential price rise

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Best time to find cheap flights, 2% potential price drop

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Average for round-trip flights in December 2024

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

Best flights from Porto to Washington, D.C.
Discover carefully curated flight deals from Porto to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.

Mon 3/1712:05 pmOPO - IAD

1 stop31h 25mMultiple Airlines

Mon 3/3110:20 pmIAD - OPO

1 stop20h 00mMultiple Airlines

Deal found 12/18

$536

Sat 2/16:00 amOPO - BWI

2 stops19h 48mUnited Airlines

Sat 2/85:22 pmBWI - OPO

2 stops40h 48mUnited Airlines

Deal found 12/18

$550

Sun 3/166:05 amOPO - IAD

2 stops19h 15mLufthansa

Sun 3/3010:20 pmIAD - OPO

1 stop20h 00mLufthansa

Deal found 12/18

$578

Mon 3/177:30 pmOPO - IAD

2 stops24h 05mSWISS

Mon 3/315:35 pmIAD - OPO

2 stops15h 10mSWISS

Deal found 12/18

$604

Mon 3/178:40 pmOPO - DCA

2 stops26h 33mIberia

Mon 3/3112:50 pmDCA - OPO

2 stops26h 05mIberia

Deal found 12/18

$631

Tue 1/77:30 pmOPO - IAD

1 stop25h 15mKLM

Sun 3/167:30 pmIAD - OPO

1 stop11h 25mKLM

Deal found 12/16

$934

Sat 4/128:15 amOPO - DCA

2 stops16h 00mAmerican Airlines

Sat 4/1912:30 pmDCA - OPO

2 stops14h 05mAmerican Airlines

Deal found 12/17

$1,114

Mon 3/1710:05 amOPO - DCA

2 stops15h 27mTAP AIR PORTUGAL

Mon 3/317:00 pmDCA - OPO

1 stop10h 40mTAP AIR PORTUGAL

Deal found 12/18

$1,326

Tue 1/79:00 amOPO - DCA

2 stops17h 00mAir Canada

Fri 3/144:10 pmDCA - OPO

2 stops16h 40mAir Canada

Deal found 12/16

$1,342

Sat 4/126:40 amOPO - BWI

2 stops21h 19mDelta

Sat 4/195:30 pmBWI - OPO

2 stops17h 05mDelta

Deal found 12/17

$1,575

Sat 4/126:00 amOPO - DCA

2 stops18h 41mUnited Airlines

Sat 4/197:00 pmDCA - OPO

1 stop9h 45mUnited Airlines

Deal found 12/17

$897

Mon 3/177:45 amOPO - BWI

2 stops15h 45mMultiple Airlines

Mon 3/318:30 pmBWI - OPO

2 stops22h 00mMultiple Airlines

Deal found 12/18

$1,011

Last-minute flights from Porto to Washington, D.C.
Discover last-minute flight deals from Porto to Washington, D.C.. Data last updated December 18, 2024 and is based on user searches.

Tue 1/77:30 pmOPO - IAD

1 stop25h 15mKLM

Sun 3/167:30 pmIAD - OPO

1 stop11h 25mKLM

Deal found 12/16

$934

Tue 1/711:25 amOPO - IAD

2 stops31h 35mSWISS

Sat 3/159:45 pmIAD - OPO

1 stop16h 50mSWISS

Deal found 12/16

$1,061

Tue 1/78:40 pmOPO - BWI

2 stops27h 05mIberia

Sat 3/159:30 pmBWI - OPO

2 stops14h 30mIberia

Deal found 12/16

$1,331

Tue 1/79:00 amOPO - DCA

2 stops17h 00mAir Canada

Fri 3/144:10 pmDCA - OPO

2 stops16h 40mAir Canada

Deal found 12/16

$1,342

Tue 1/76:55 amOPO - IAD

2 stops14h 35mUnited Airlines

Sun 3/166:50 pmIAD - OPO

1 stop12h 45mUnited Airlines

Deal found 12/16

$1,460

Tue 1/76:40 pmOPO - DCA

1 stop18h 45mTAP AIR PORTUGAL

Sat 3/158:00 pmDCA - OPO

1 stop13h 15mTAP AIR PORTUGAL

Deal found 12/16

$1,904

One-way flights from Porto to Washington, D.C.
Search for one-way flight options from Porto to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated December 18, 2024.

Sun 1/56:00 pmOPO - BWI

3 stops58h 41mMultiple Airlines

Deal found 12/17

$470

Sat 3/18:40 pmOPO - IAD

2 stops23h 55mBritish Airways

Deal found 12/18

$482

Sat 3/14:25 pmOPO - IAD

1 stop24h 10mTurkish Airlines

Deal found 12/17

$534

Sun 1/58:20 amOPO - DCA

2 stops17h 31mBritish Airways

Deal found 12/17

$717

Mon 1/64:40 pmOPO - IAD

2 stops32h 05mIberia

Deal found 12/16

$978

Mon 1/611:45 amOPO - IAD

2 stops57h 20mAir France

Deal found 12/17

$1,173

Sun 1/512:40 pmOPO - DCA

3 stops26h 49mMultiple Airlines

Deal found 12/17

$1,292

Sun 1/55:55 pmOPO - IAD

1 stop29h 45mRoyal Air Maroc

Deal found 12/17

$1,359

Sun 1/56:40 pmOPO - DCA

1 stop18h 43mTAP AIR PORTUGAL

Deal found 12/17

$1,931

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

Fly from

Fly to

Route

Depart

Return

Price

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 3/17

12:05 pm-3:30 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

Mon 3/31

10:20 pm-11:20 pm

1 stop20h 00m

$536

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Sat 2/1

6:00 am-8:48 pm

2 stops19h 48m

Baltimore/Washington

Sat 2/8

5:22 pm-3:10 pm

2 stops40h 48m

$550

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Sun 3/16

6:05 am-9:20 pm

2 stops19h 15m

Washington, D.C. Dulles Intl

Sun 3/30

10:20 pm-11:20 pm

1 stop20h 00m

$578

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 3/17

7:30 pm-3:35 pm

2 stops24h 05m

Washington, D.C. Dulles Intl

Mon 3/31

5:35 pm-1:45 pm

2 stops15h 10m

$604

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Mon 3/17

8:40 pm-7:13 pm

2 stops26h 33m

Washington, D.C. Reagan-National

Mon 3/31

12:50 pm-7:55 pm

2 stops26h 05m

$631

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Sat 4/12

6:00 am-7:41 pm

2 stops18h 41m

Washington, D.C. Reagan-National

Sat 4/19

7:00 pm-9:45 am

1 stop9h 45m

$897

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Tue 1/7

7:30 pm-3:45 pm

1 stop25h 15m

Washington, D.C. Dulles Intl

Sun 3/16

7:30 pm-10:55 am

1 stop11h 25m

$934

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Mon 3/17

7:45 am-7:30 pm

2 stops15h 45m

Baltimore/Washington

Mon 3/31

8:30 pm-11:30 pm

2 stops22h 00m

$1,011

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Sat 4/12

8:15 am-7:15 pm

2 stops16h 00m

Washington, D.C. Reagan-National

Sat 4/19

12:30 pm-7:35 am

2 stops14h 05m

$1,114

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Mon 3/17

10:05 am-9:32 pm

2 stops15h 27m

Washington, D.C. Reagan-National

Mon 3/31

7:00 pm-10:40 am

1 stop10h 40m

$1,326

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 23 results

Compare providers for flights from Porto to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to Washington, D.C. in December.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Porto-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Porto-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Porto to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Porto with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Porto to Washington, D.C.

Get recent, data-driven insights about flights from Porto to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Porto to Washington, D.C.?

Currently, November is the cheapest month in which you can book a flight from Porto to Washington, D.C. (average of $299). Flying from Porto to Washington, D.C. in June is currently the most expensive (average of $377). 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 is the cheapest time of day to fly from OPO to WAS?

A simple way to save on the total cost of your ticket is to fly from Porto to Washington, D.C. in the morning. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight at noon.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown United Airlines and Iberia from Porto to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,604 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

8,604 reviews

Delta

8.0

Very good

8,604 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,349 reviews

Delta

8.0

Very good

8,604 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.6

Good

1,606 reviews

Delta

8.0

Very good

8,604 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.4

Good

1,504 reviews

Delta

8.0

Very good

8,604 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

9,055 reviews

Delta

8.0

Very good

8,604 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly from for flights from Porto to Washington, D.C.?
Porto (OPO) is the airport you will fly out of if you book a flight from Porto to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Porto; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Porto airport to Washington, D.C.. It is only a 6.8 mi journey to Porto (OPO) from Porto’s city center.
What are the cheapest airlines flying from Porto to Washington, D.C. round-trip?
According to our current data, United Airlines ($550), Lufthansa ($578), and SWISS ($604) offers the cheapest pricing from Porto to Washington, D.C.. You may be able to fly from Porto to Washington, D.C. for 21% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Porto to Washington, D.C. one-way?
One-way options have recently been found by users for as low as $482 on British Airways. Other airlines that offer cheap prices include Turkish Airlines from $534 and Iberia from $978 one-way.
What are the most popular routes from Porto to Washington, D.C.?
When deciding which route to take from Porto to Washington, D.C. consider Porto - Washington, D.C. Reagan-National, Porto - Washington, D.C. Dulles Intl or Porto - Baltimore/Washington as they are the most popular.
Can I find deals for flights from Porto to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Porto to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Porto to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Washington, D.C..
Can I find deals for business class flights from Porto to Washington, D.C.?
Yes. Cheapflights offers flight deals from Porto to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Porto to Washington, D.C.?
Currently, November is the cheapest month in which you can book a flight from Porto to Washington, D.C. (average of $299). Flying from Porto to Washington, D.C. in June is currently the most expensive (average of $377). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Porto to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest$501	Average$812	FlexibilityNo cancel fee	On-timeN/A

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$470+ Cheap flights from Porto (OPO) to Washington, D.C. (WAS)

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Porto to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Best flights from Porto to Washington, D.C.Discover carefully curated flight deals from Porto to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.

Discover carefully curated flight deals from Porto to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.

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

Compare providers for flights from Porto to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to Washington, D.C. in December.

Best time to book a flight from Porto to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Porto with our price prediction graph.

Travel insights for flights from Porto to Washington, D.C.

Get recent, data-driven insights about flights from Porto to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Porto to Washington, D.C.?

What is the cheapest time of day to fly from OPO to WAS?

Find hourly flight availability from Porto to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown United Airlines and Iberia from Porto to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Porto to Washington, D.C.. 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 from for flights from Porto to Washington, D.C.?

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

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

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

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

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

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

What is the cheapest month to book a flight from Porto to Washington, D.C.?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Porto to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Porto to Washington, D.C.

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Best flights from Porto to Washington, D.C.
Discover carefully curated flight deals from Porto to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.