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

Our cheapest airline available from Washington, D.C. Reagan-National Airport to Porto is Air Canada. Our recent data shows that you can find tickets from as low as $653 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $657 and $661 round-trip. Users have found that Air Canada is 35% cheaper than the other options available to this destination.

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

$497 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on American Airlines and Air Canada, with prices starting from $511 and $528, respectively.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Porto (average of $523). Flying from Washington, D.C. Reagan-National Airport to Porto in June is currently the most expensive (average of $1,081). 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 day to fly from Washington, D.C. Reagan-National Airport to Porto?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Porto flight should consider departing on Sunday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

Travelers have found that booking a Saturday departure is the best way to save up to 114% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save on the cost of your flight from Washington, D.C. Reagan-National Airport to Porto, book at least 28 days before your planned departure. Booking around this time can save you about 62% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $625 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $777.

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

November can be a great time to fly to Porto from Washington, D.C. Reagan-National Airport with a flight ticket averaging about $671. Cheapflights users have found deals in the month of November for as cheap as $418. The most expensive prices can be found in the month of June.

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

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Porto flights, Cheapflights users trust eDreams the most. eDreams 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 Washington, D.C. Reagan-National Airport-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

If you book a flight to Porto from Washington, D.C. Reagan-National, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 6.8 mi from the center of Porto. There are 0 flights from Washington, D.C. Reagan-National to Porto per day from 1 airline.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Reagan-National 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.

$393+ Flights from Washington, D.C. Reagan-National Airport to Porto

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Cheap flight deals from Reagan-National to Porto

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$653 (Air Canada)
One-way from	$393 (Mytrip)
Popular in	January
Cheapest in	November
Average price	$792

Provider with most accurate pricing for Washington, D.C. Reagan-National-Porto flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Porto flights.

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

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

Search Deals

Highest demand for flights based on searches. 29% potential increase in price ($428 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($67 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Reagan-National to Porto

Cheapest flights from Reagan-National to Porto
Explore the most affordable flight options available from Reagan-National to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 16, 2025.

mar. 9/1612:55 pmDCA - OPO

2 stops39h 30mAir Canada

mar. 9/3012:50 pmOPO - DCA

1 stop26h 31mAir Canada

Deal found 4/15

$637

dom. 5/1112:35 pmDCA - OPO

2 stops14h 00mAmerican Airlines

dom. 5/258:15 amOPO - DCA

2 stops15h 52mAmerican Airlines

Deal found 4/15

$657

sáb. 6/76:00 amDCA - OPO

1 stop22h 35mUnited Airlines

vie. 11/146:00 amOPO - DCA

2 stops42h 57mUnited Airlines

Deal found 4/15

$661

sáb. 6/74:35 pmDCA - OPO

1 stop12h 00mMultiple Airlines

mié. 11/197:30 pmOPO - DCA

2 stops30h 30mMultiple Airlines

Deal found 4/15

$663

mar. 4/225:47 pmDCA - OPO

2 stops16h 43mDelta

mar. 4/2911:25 amOPO - DCA

2 stops15h 39mDelta

Deal found 4/15

$679

sáb. 6/72:54 pmDCA - OPO

2 stops24h 41mBritish Airways

vie. 11/218:20 amOPO - DCA

2 stops18h 40mBritish Airways

Deal found 4/15

$684

vie. 6/611:00 amDCA - OPO

2 stops28h 35mAir France

mié. 6/114:20 pmOPO - DCA

2 stops30h 53mAir France

Deal found 4/15

$829

mié. 7/27:55 pmDCA - OPO

2 stops14h 40mKLM

lun. 7/76:35 amOPO - DCA

2 stops16h 37mKLM

Deal found 4/15

$940

lun. 9/1512:30 pmDCA - OPO

2 stops14h 05mIberia

mar. 12/1612:25 pmOPO - DCA

2 stops15h 13mIberia

Deal found 4/15

$950

Best flights from Reagan-National to Porto
Discover carefully curated flight deals from Reagan-National to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 16, 2025.

mar. 5/139:40 amDCA - OPO

2 stops20h 50mAir Canada

mar. 5/206:00 amOPO - DCA

2 stops20h 53mAir Canada

Deal found 4/15

$653

dom. 5/1112:35 pmDCA - OPO

2 stops14h 00mAmerican Airlines

dom. 5/258:15 amOPO - DCA

2 stops15h 52mAmerican Airlines

Deal found 4/15

$657

sáb. 6/76:00 amDCA - OPO

1 stop22h 35mUnited Airlines

vie. 11/146:00 amOPO - DCA

2 stops42h 57mUnited Airlines

Deal found 4/15

$661

sáb. 6/74:35 pmDCA - OPO

1 stop12h 00mMultiple Airlines

mié. 11/197:30 pmOPO - DCA

2 stops30h 30mMultiple Airlines

Deal found 4/15

$663

mar. 4/2211:00 amDCA - OPO

2 stops23h 30mDelta

lun. 4/2811:25 amOPO - DCA

2 stops36h 17mDelta

Deal found 4/15

$679

sáb. 6/72:54 pmDCA - OPO

2 stops24h 41mBritish Airways

vie. 11/218:20 amOPO - DCA

2 stops18h 40mBritish Airways

Deal found 4/15

$684

sáb. 6/72:59 pmDCA - OPO

2 stops14h 41mKLM

sáb. 11/2211:45 amOPO - DCA

2 stops16h 09mKLM

Deal found 4/15

$768

vie. 6/611:00 amDCA - OPO

2 stops28h 35mAir France

mié. 6/114:20 pmOPO - DCA

2 stops30h 53mAir France

Deal found 4/15

$829

Last-minute flights from Reagan-National to Porto
Discover last-minute flight deals from Reagan-National to Porto. Data last updated abril 16, 2025 and is based on user searches.

dom. 4/203:25 pmDCA - OPO

2 stops14h 15mKLM

vie. 4/2511:25 amOPO - DCA

2 stops15h 39mKLM

Deal found 4/15

$3,114

lun. 4/2112:30 pmDCA - OPO

2 stops14h 05mIberia

dom. 4/2712:20 pmOPO - DCA

2 stops39h 09mIberia

Deal found 4/15

$1,600

lun. 4/212:00 pmDCA - OPO

2 stops16h 15mUnited Airlines

lun. 4/2812:35 pmOPO - DCA

1 stop12h 07mUnited Airlines

Deal found 4/15

$1,654

mar. 4/2211:00 amDCA - OPO

2 stops23h 30mDelta

jue. 5/16:30 amOPO - DCA

2 stops22h 14mDelta

Deal found 4/15

$679

mar. 4/2212:30 pmDCA - OPO

2 stops26h 00mBritish Airways

dom. 4/279:25 pmOPO - DCA

2 stops30h 04mBritish Airways

Deal found 4/15

$963

mar. 4/229:55 amDCA - OPO

2 stops28h 05mTAP AIR PORTUGAL

lun. 4/286:05 pmOPO - DCA

1 stop30h 37mTAP AIR PORTUGAL

Deal found 4/15

$1,838

mar. 4/2211:00 amDCA - OPO

2 stops19h 30mAir Canada

mié. 5/78:55 amOPO - DCA

2 stops17h 58mAir Canada

Deal found 4/15

$6,609

mar. 4/225:47 pmDCA - OPO

2 stops16h 43mDelta

mar. 4/2911:25 amOPO - DCA

2 stops15h 39mDelta

Deal found 4/15

$679

sáb. 4/2611:00 amDCA - OPO

2 stops20h 05mMultiple Airlines

mié. 5/76:05 pmOPO - DCA

1 stop32h 37mMultiple Airlines

Deal found 4/16

$1,582

lun. 5/51:45 pmDCA - OPO

2 stops14h 15mTAP AIR PORTUGAL

vie. 5/96:05 pmOPO - DCA

1 stop32h 37mTAP AIR PORTUGAL

Deal found 4/15

$1,276

mar. 5/68:30 amDCA - OPO

2 stops21h 45mUnited Airlines

mié. 5/1412:35 pmOPO - DCA

1 stop12h 06mUnited Airlines

Deal found 4/15

$677

mar. 5/611:00 amDCA - OPO

3 stops23h 00mMultiple Airlines

mié. 5/147:15 amOPO - DCA

2 stops15h 48mMultiple Airlines

Deal found 4/15

$683

One-way flights from Reagan-National to Porto
Search for one-way flight options from Reagan-National to Porto. Find affordable one-way fares based on user searches. Data last updated abril 16, 2025.

sáb. 6/74:35 pmDCA - OPO

3 stops35h 25mMultiple Airlines

Deal found 4/15

$393

lun. 6/25:49 pmDCA - OPO

2 stops21h 01mBritish Airways

Deal found 4/15

$497

mié. 6/412:35 pmDCA - OPO

2 stops14h 00mAmerican Airlines

Deal found 4/14

$511

lun. 6/304:30 pmDCA - OPO

1 stop12h 05mAir Canada

Deal found 4/15

$528

lun. 6/301:00 pmDCA - OPO

2 stops15h 35mUnited Airlines

Deal found 4/15

$533

lun. 6/306:59 pmDCA - OPO

2 stops15h 31mDelta

Deal found 4/16

$551

lun. 6/211:10 amDCA - OPO

1 stop18h 20mTAP AIR PORTUGAL

Deal found 4/15

$621

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

mar. 5/13

9:40 am-11:30 am

2 stops20h 50m

Porto

mar. 5/20

6:00 am-9:53 pm

2 stops20h 53m

$653

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

dom. 5/11

12:35 pm-7:35 am

2 stops14h 00m

Porto

dom. 5/25

8:15 am-7:07 pm

2 stops15h 52m

$657

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

sáb. 6/7

6:00 am-9:35 am

1 stop22h 35m

Porto

vie. 11/14

6:00 am-7:57 pm

2 stops42h 57m

$661

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

sáb. 6/7

4:35 pm-9:35 am

1 stop12h 00m

Porto

mié. 11/19

7:30 pm-9:00 pm

2 stops30h 30m

$663

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

mar. 4/22

5:47 pm-3:30 pm

2 stops16h 43m

Porto

mar. 4/29

11:25 am-10:04 pm

2 stops15h 39m

$679

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

sáb. 6/7

2:54 pm-8:35 pm

2 stops24h 41m

Porto

vie. 11/21

8:20 am-10:00 pm

2 stops18h 40m

$684

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

sáb. 6/7

2:59 pm-10:40 am

2 stops14h 41m

Porto

sáb. 11/22

11:45 am-10:54 pm

2 stops16h 09m

$768

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

vie. 6/6

11:00 am-8:35 pm

2 stops28h 35m

Porto

mié. 6/11

4:20 pm-6:13 pm

2 stops30h 53m

$829

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

sáb. 6/7

4:35 pm-9:00 am

3 stops35h 25m

$393

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

lun. 6/2

5:49 pm-7:50 pm

2 stops21h 01m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 15 results

Compare providers for flights from Reagan-National to Porto

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Porto in April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	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 Washington, D.C. Reagan-National Airport-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Porto flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Porto flights, Cheapflights users trust eDreams the most. eDreams 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 Washington, D.C. Reagan-National Airport-Porto 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 Reagan-National to Porto

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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Porto

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

One of the essential ways to save on airfare from Washington, D.C. Reagan-National Airport to Porto is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 40% on airfare.

Rainfall in Porto by month

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

If weather is an important factor for your trip to Porto, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

To help decide which airline to fly from Washington, D.C. to Porto, see what other customers have to say about Delta, KLM and Air France. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,917 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,326 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.5

Good

1,435 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,665 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly into for flights to Porto from Washington, D.C. Reagan-National?
If you book a flight to Porto from Washington, D.C. Reagan-National, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 6.8 mi from the center of Porto. There are 0 flights from Washington, D.C. Reagan-National to Porto per day from 1 airline.
What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Porto round-trip?
Our cheapest airline available from Washington, D.C. Reagan-National Airport to Porto is Air Canada. Our recent data shows that you can find tickets from as low as $653 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $657 and $661 round-trip. Users have found that Air Canada is 35% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Porto one-way?
$497 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on American Airlines and Air Canada, with prices starting from $511 and $528, respectively.
Can I find deals for flights from Reagan-National to Porto that include hotel bookings?
Yes. In addition to deals on Reagan-National to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Porto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Porto.
Can I find deals for business class flights from Reagan-National to Porto?
Yes. Cheapflights offers flight deals from Reagan-National 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.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Porto?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Porto (average of $523). Flying from Washington, D.C. Reagan-National Airport to Porto in June is currently the most expensive (average of $1,081). 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

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Other flights to Porto

Top airline flying from Reagan-National to Porto

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$567	Average$1,076	FlexibilityNo cancel fee	On-time69%

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$393+ Cheap flights from Reagan-National (DCA) to Porto (OPO)

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Porto

Most accurate provider

Most trusted provider

Round-trip from

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Popular in

Cheapest in

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Find flight deals from Reagan-National to Porto

Cheapest flights from Reagan-National to PortoExplore the most affordable flight options available from Reagan-National to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 16, 2025.

Explore the most affordable flight options available from Reagan-National to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Porto that are best for you.

Compare providers for flights from Reagan-National to Porto

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 Reagan-National to Porto in April.

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

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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Porto

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

Find hourly flight availability from Reagan-National to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 16, 2025.

Rainfall in Porto by month

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

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature 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 abril 16, 2025.

To help decide which airline to fly from Washington, D.C. to Porto, see what other customers have to say about Delta, KLM and Air France. 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 Reagan-National 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. Reagan-National?

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

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

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

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

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

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Cheapest flights from Reagan-National to Porto
Explore the most affordable flight options available from Reagan-National to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 16, 2025.