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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Portimão (average of $628). Flying from Washington, D.C. Reagan-National Airport to Portimão in June is currently the most expensive (average of $1,329). 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.

In terms of precipitation, rainfall in Portimão ranges from 0.1 - 4.6 inches per month. December is typically the wettest month, when rainfall can reach 4.6 in. July is typically the driest time to visit Portimão when rainfall is around 0.1 in.

If weather is an important factor for your trip to Portimão, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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

Travelers have found it’s best to book a flight 59 days in advance to save up to 133% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 59 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. Reagan-National Airport to Portimão 1-2 weeks in advance for as low as $595, or $1,258 for flights within the next 24 hours.

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

November can be a great time to fly to Portimão from Washington, D.C. Reagan-National Airport with a flight ticket averaging about $902. Cheapflights users have found deals in the month of November for as cheap as $506. The most expensive prices can be found in the month of June.

What is the cheapest time of day to fly from DCA to P0T?

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

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

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

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

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

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

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

$550+ Flights from Washington, D.C. Reagan-National Airport to Portimão

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Cheap flight deals from Reagan-National to Portimão

Round-trip from	$664 (Scandinavian Airlines)
One-way from	$550 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$1,066

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

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

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Highest demand for flights based on searches. 21% potential increase in price ($244 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Reagan-National to Portimão

Cheapest flights from Reagan-National to Portimão
Explore the most affordable flight options available from Reagan-National to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

lun. 10/66:05 amDCA - FAO

2 stops45h 45mScandinavian Airlines

sáb. 10/257:35 pmFAO - DCA

2 stops31h 44mScandinavian Airlines

Deal found 7/30

$664

lun. 9/812:55 pmDCA - FAO

3 stops22h 10mMultiple Airlines

lun. 9/156:10 pmFAO - DCA

3 stops32h 41mMultiple Airlines

Deal found 7/29

$706

dom. 11/235:45 pmDCA - FAO

2 stops18h 35mBritish Airways

lun. 12/16:05 pmFAO - DCA

2 stops27h 46mBritish Airways

Deal found 7/29

$883

dom. 10/51:00 pmDCA - FAO

2 stops18h 40mUnited Airlines

vie. 10/313:25 pmFAO - DCA

2 stops33h 15mUnited Airlines

Deal found 7/30

$1,026

mié. 11/1910:45 amDCA - FAO

2 stops18h 40mTAP AIR PORTUGAL

lun. 12/14:35 pmFAO - DCA

2 stops32h 06mTAP AIR PORTUGAL

Deal found 7/31

$1,073

lun. 10/61:15 pmDCA - FAO

2 stops14h 55mKLM

mié. 10/2910:20 amFAO - DCA

2 stops17h 32mKLM

Deal found 7/30

$1,166

vie. 9/123:35 pmDCA - FAO

2 stops15h 55mAmerican Airlines

vie. 9/1910:45 pmFAO - DCA

2 stops23h 09mAmerican Airlines

Deal found 7/29

$1,320

Best flights from Reagan-National to Portimão
Discover carefully curated flight deals from Reagan-National to Portimão that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 31, 2025.

lun. 10/66:05 amDCA - FAO

2 stops45h 45mScandinavian Airlines

sáb. 10/257:35 pmFAO - DCA

2 stops31h 44mScandinavian Airlines

Deal found 7/30

$664

lun. 9/812:55 pmDCA - FAO

3 stops22h 10mMultiple Airlines

lun. 9/156:10 pmFAO - DCA

3 stops32h 41mMultiple Airlines

Deal found 7/29

$706

dom. 11/235:45 pmDCA - FAO

2 stops18h 35mBritish Airways

lun. 12/16:05 pmFAO - DCA

2 stops27h 46mBritish Airways

Deal found 7/29

$883

dom. 10/51:00 pmDCA - FAO

2 stops18h 40mUnited Airlines

vie. 10/313:25 pmFAO - DCA

2 stops33h 15mUnited Airlines

Deal found 7/30

$1,026

mié. 11/1910:45 amDCA - FAO

2 stops18h 40mTAP AIR PORTUGAL

lun. 12/14:35 pmFAO - DCA

2 stops32h 06mTAP AIR PORTUGAL

Deal found 7/31

$1,073

lun. 10/61:15 pmDCA - FAO

2 stops14h 55mKLM

mié. 10/2910:20 amFAO - DCA

2 stops17h 32mKLM

Deal found 7/30

$1,166

vie. 9/123:35 pmDCA - FAO

2 stops15h 55mAmerican Airlines

vie. 9/1910:45 pmFAO - DCA

2 stops23h 09mAmerican Airlines

Deal found 7/29

$1,320

Last-minute flights from Reagan-National to Portimão
Discover last-minute flight deals from Reagan-National to Portimão. Data last updated julio 31, 2025 and is based on user searches.

lun. 8/116:00 amDCA - FAO

3 stops27h 25mMultiple Airlines

sáb. 8/231:25 pmFAO - DCA

1 stop14h 02mMultiple Airlines

Deal found 7/29

$1,464

mar. 8/122:54 pmDCA - FAO

2 stops23h 16mBritish Airways

vie. 8/151:55 pmFAO - DCA

2 stops22h 54mBritish Airways

Deal found 7/29

$1,448

dom. 8/3111:45 amDCA - FAO

2 stops17h 40mTAP AIR PORTUGAL

dom. 9/76:10 pmFAO - DCA

2 stops31h 45mTAP AIR PORTUGAL

Deal found 7/29

$1,197

dom. 8/315:25 pmDCA - FAO

1 stop11h 30mUnited Airlines

dom. 9/73:25 pmFAO - DCA

2 stops32h 40mUnited Airlines

Deal found 7/29

$1,484

One-way flights from Reagan-National to Portimão
Search for one-way flight options from Reagan-National to Portimão. Find affordable one-way fares based on user searches. Data last updated julio 31, 2025.

vie. 8/151:00 pmDCA - FAO

2 stops29h 30mMultiple Airlines

Deal found 7/31

$550

lun. 8/184:40 pmDCA - FAO

2 stops17h 05mBritish Airways

Deal found 7/29

$639

lun. 8/185:15 pmDCA - FAO

1 stop11h 40mUnited Airlines

Deal found 7/29

$971

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

lun. 10/6

6:05 am-8:50 am

2 stops45h 45m

Faro

sáb. 10/25

7:35 pm-10:19 pm

2 stops31h 44m

$664

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

lun. 9/8

12:55 pm-4:05 pm

3 stops22h 10m

Faro

lun. 9/15

6:10 pm-9:51 pm

3 stops32h 41m

$706

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

dom. 11/23

5:45 pm-5:20 pm

2 stops18h 35m

Faro

lun. 12/1

6:05 pm-4:51 pm

2 stops27h 46m

$883

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

dom. 10/5

1:00 pm-12:40 pm

2 stops18h 40m

Faro

vie. 10/31

3:25 pm-8:40 pm

2 stops33h 15m

$1,026

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

mié. 11/19

10:45 am-10:25 am

2 stops18h 40m

Faro

lun. 12/1

4:35 pm-7:41 pm

2 stops32h 06m

$1,073

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

lun. 10/6

1:15 pm-9:10 am

2 stops14h 55m

Faro

mié. 10/29

10:20 am-11:52 pm

2 stops17h 32m

$1,166

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

vie. 9/12

3:35 pm-12:30 pm

2 stops15h 55m

Faro

vie. 9/19

10:45 pm-4:54 pm

2 stops23h 09m

$1,320

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

vie. 8/15

1:00 pm-11:30 pm

2 stops29h 30m

$550

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

lun. 8/18

4:40 pm-2:45 pm

2 stops17h 05m

$639

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

lun. 8/18

5:15 pm-9:55 am

1 stop11h 40m

$971

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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

Have a flexible travel schedule? Discover the best time to fly to Portimão 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 Portimão

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Portimão

Get a feel of what it's like to fly with KLM, United Airlines, and Scandinavian Airlines from Washington, D.C. Reagan-National Airport to Portimão by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,383 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,383 reviews

KLM

7.8

Good

1,383 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

United Airlines

7.4

Good

8,900 reviews

KLM

7.8

Good

1,383 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Scandinavian Airlines

7.4

Good

1,457 reviews

KLM

7.8

Good

1,383 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

TAP AIR PORTUGAL

7.1

Good

1,933 reviews

KLM

7.8

Good

1,383 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

British Airways

6.6

Okay

7,222 reviews

KLM

7.8

Good

1,383 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Can I find deals for flights from Reagan-National to Portimão that include hotel bookings?
Yes. In addition to deals on Reagan-National to Portimão flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Portimão?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Portimão.
Can I find deals for business class flights from Reagan-National to Portimão?
Yes. Cheapflights offers flight deals from Reagan-National to Portimão 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 Portimão?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Portimão (average of $628). Flying from Washington, D.C. Reagan-National Airport to Portimão in June is currently the most expensive (average of $1,329). 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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Alternative routes for Reagan-National to Portimão

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$550+ Cheap flights from Reagan-National (DCA) to Portimão, Portugal

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Portimão 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 Portimão

Keep the following information in mind while searching for Reagan-National to Portimão flight deals. Data was last updated julio 31, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Portimão

Cheapest flights from Reagan-National to PortimãoExplore the most affordable flight options available from Reagan-National to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

Explore the most affordable flight options available from Reagan-National to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

Cheapflights Fare Finder

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

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

Have a flexible travel schedule? Discover the best time to fly to Portimão 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 Portimão

Reviews of airlines servicing Portimão

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Portimão. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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 Reagan-National to Portimão

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

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Book with Flexibility

Travel Smart

Cheapest flights from Reagan-National to Portimão
Explore the most affordable flight options available from Reagan-National to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.