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

To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $496. Iberia flights start at $500 while deals on United Airlines start at $716 one-way.

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

Currently, February is the cheapest month in which you can book a flight from Porto to Washington, D.C. Reagan-National Airport (average of $278). Flying from Porto to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $345). 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 month to fly from Porto to Washington, D.C. Reagan-National Airport?

The best pricing can be found in the month of March. Prices to Washington, D.C. Reagan-National Airport from Porto average $738. You can even find prices in March for less than $738, as users have found deals to Washington, D.C. Reagan-National Airport from as low as $468. The month of January appears to be one of the more expensive times to travel to Washington, D.C. Reagan-National Airport from Porto. Flying in the targeted month can save you up to 28%.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Porto to Washington, D.C. Reagan-National Airport as you normally would.

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

Porto (OPO), located 6.8 mi from the city center, is the airport you fly out of when you book flights from Porto to Washington, D.C. Reagan-National. 0 airlines have flights from Porto to Washington, D.C. Reagan-National on a regular basis. Booking flights from Porto to Washington, D.C. Reagan-National should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Reagan-National per day.

Can I find deals for flights from Porto to Reagan-National that include hotel bookings?

Yes. In addition to deals on Porto to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Porto to Reagan-National?

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

Can I find deals for business class flights from Porto to Reagan-National?

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

$490+ Flights from Porto to Washington, D.C. Reagan-National Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Porto to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Porto to Reagan-National

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$525 (Flightnetwork)
One-way from	$490 (Finnair)
Popular in	January
Cheapest in	March

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

Search Deals

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

Search Deals

From Porto to Washington, D.C. Reagan-National

Search Deals

One-way flight from Porto to Washington, D.C. Reagan-National

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($70 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Find flight deals from Porto to Reagan-National

Cheapest flights from Porto to Reagan-National
Explore the most affordable flight options available from Porto to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

Wed 6/46:00 amOPO - DCA

2 stops33h 19mAir Canada

Wed 6/116:00 amDCA - OPO

1 stop22h 30mAir Canada

Deal found 2/22

$525

Wed 6/412:35 pmOPO - DCA

1 stop12h 05mUnited Airlines

Wed 6/116:00 amDCA - OPO

1 stop22h 30mUnited Airlines

Deal found 2/22

$554

Thu 4/36:30 amOPO - DCA

2 stops21h 12mDelta

Sat 4/196:15 pmDCA - OPO

2 stops16h 20mDelta

Deal found 2/21

$575

Best flights from Porto to Reagan-National
Discover carefully curated flight deals from Porto to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 22, 2025.

Wed 6/46:00 amOPO - DCA

2 stops33h 19mAir Canada

Wed 6/116:00 amDCA - OPO

1 stop22h 30mAir Canada

Deal found 2/22

$525

Wed 6/412:35 pmOPO - DCA

1 stop12h 05mUnited Airlines

Wed 6/116:00 amDCA - OPO

1 stop22h 30mUnited Airlines

Deal found 2/22

$554

Thu 4/36:30 amOPO - DCA

2 stops21h 12mDelta

Sat 4/196:15 pmDCA - OPO

2 stops16h 20mDelta

Deal found 2/21

$575

Last-minute flights from Porto to Reagan-National
Discover last-minute flight deals from Porto to Reagan-National. Data last updated February 22, 2025 and is based on user searches.

Sun 3/306:00 amOPO - DCA

2 stops21h 28mUnited Airlines

Sun 12/72:00 pmDCA - OPO

2 stops16h 40mUnited Airlines

Deal found 2/22

$608

One-way flights from Porto to Reagan-National
Search for one-way flight options from Porto to Reagan-National. Find affordable one-way fares based on user searches. Data last updated February 22, 2025.

Sat 5/2412:20 pmOPO - DCA

2 stops15h 16mMultiple Airlines

Deal found 2/21

$490

Thu 5/299:40 amOPO - DCA

2 stops17h 56mBritish Airways

Deal found 2/21

$496

Sat 5/108:15 amOPO - DCA

2 stops19h 21mIberia

Deal found 2/21

$500

Sat 5/2412:35 pmOPO - DCA

1 stop12h 05mUnited Airlines

Deal found 2/21

$716

Sat 5/245:40 pmOPO - DCA

1 stop21h 00mTAP AIR PORTUGAL

Deal found 2/21

$774

Sat 8/166:40 amOPO - DCA

2 stops20h 50mDelta

Deal found 2/21

$810

Sun 8/1712:20 pmOPO - DCA

2 stops26h 09mAmerican Airlines

Deal found 2/21

$848

Find flights from Porto to Reagan-National within your budget

Fly from

Fly to

Route

Depart

Return

Price

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Wed 6/4

6:00 am-10:19 am

2 stops33h 19m

Washington, D.C. Reagan-National

Wed 6/11

6:00 am-9:30 am

1 stop22h 30m

$525

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Wed 6/4

12:35 pm-7:40 pm

1 stop12h 05m

Washington, D.C. Reagan-National

Wed 6/11

6:00 am-9:30 am

1 stop22h 30m

$554

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Thu 4/3

6:30 am-10:42 pm

2 stops21h 12m

Washington, D.C. Reagan-National

Sat 4/19

6:15 pm-3:35 pm

2 stops16h 20m

$575

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Sat 5/24

12:20 pm-10:36 pm

2 stops15h 16m

$490

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Thu 5/29

9:40 am-10:36 pm

2 stops17h 56m

$496

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Sat 5/10

8:15 am-10:36 pm

2 stops19h 21m

$500

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Sat 5/24

12:35 pm-7:40 pm

1 stop12h 05m

$716

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Sat 5/24

5:40 pm-9:40 am

1 stop21h 00m

$774

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Sat 8/16

6:40 am-10:30 pm

2 stops20h 50m

$810

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Sun 8/17

12:20 pm-9:29 am

2 stops26h 09m

$848

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Best time to book a flight from Porto to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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 Reagan-National

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

Rainfall in Reagan-National by month

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport 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. Reagan-National Airport when rainfall is around 2.6 in.

Temperature in Reagan-National by month

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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 Reagan-National

Delta

8.0

Very good

8,203 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

Delta

8.0

Very good

8,203 reviews

Delta

8.0

Very good

8,203 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

United Airlines

7.4

Good

8,754 reviews

Delta

8.0

Very good

8,203 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,203 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

TAP AIR PORTUGAL

7.2

Good

1,844 reviews

Delta

8.0

Very good

8,203 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

Air Canada

7.0

Good

8,757 reviews

Delta

8.0

Very good

8,203 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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. Reagan-National?
Porto (OPO), located 6.8 mi from the city center, is the airport you fly out of when you book flights from Porto to Washington, D.C. Reagan-National. 0 airlines have flights from Porto to Washington, D.C. Reagan-National on a regular basis. Booking flights from Porto to Washington, D.C. Reagan-National should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Reagan-National per day.
What are the cheapest airlines to fly from Porto to Washington, D.C. Reagan-National Airport one-way?
To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $496. Iberia flights start at $500 while deals on United Airlines start at $716 one-way.
Can I find deals for flights from Porto to Reagan-National that include hotel bookings?
Yes. In addition to deals on Porto to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Porto to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Reagan-National.
Can I find deals for business class flights from Porto to Reagan-National?
Yes. Cheapflights offers flight deals from Porto to Reagan-National 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. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Porto to Washington, D.C. Reagan-National Airport (average of $278). Flying from Porto to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $345). 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

Arlington

Alexandria

Fairfax

Springfield

Rockville

Tysons

Gaithersburg

Silver Spring

Fredericksburg

Linthicum Heights

Laurel

Falls Church

Woodbridge

Easton

Herndon

Bowie

Reston

National Harbor

Oxon Hill

Gettysburg

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$490+ Cheap flights from Porto (OPO) to Reagan-National (DCA)

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Porto to Reagan-National 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 Reagan-National

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Find flight deals from Porto to Reagan-National

Cheapest flights from Porto to Reagan-NationalExplore the most affordable flight options available from Porto to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

Explore the most affordable flight options available from Porto to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

Find flights from Porto to Reagan-National within your budget

Best time to book a flight from Porto to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Porto with our price prediction graph.

Travel insights for flights from Porto to Reagan-National

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

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

Reviews of airlines servicing Reagan-National

Related info for your journey

Find useful and relevant information for your journey from Porto to Reagan-National. 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. Reagan-National?

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

Can I find deals for flights from Porto to Reagan-National that include hotel bookings?

How can I find direct flights from Porto to Reagan-National?

Can I find deals for business class flights from Porto to Reagan-National?

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

Traveling to a place near Porto?

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 Reagan-National

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Porto to Reagan-National
Explore the most affordable flight options available from Porto to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.