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

For one-way options, check prices for British Airways. According to our data, you can fly for as low as $483. Users have also found prices from $491 and $503 on Finnair and Iberia, respectively.

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

Currently, February is the cheapest month in which you can book a flight from Portugal to Washington, D.C. Reagan-National Airport (average of $278). Flying from Portugal 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.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 54 days in advance, which can save you up to 28% on flights from Portugal to Washington, D.C. Reagan-National Airport compared to booking the week you need them. Waiting 54 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $572. For sooner than that we have options available in the next 3 days from $651.

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

The best pricing can be found in the month of September. Prices to Washington, D.C. Reagan-National Airport from Portugal average $686. You can even find prices in September for less than $686, as users have found deals to Washington, D.C. Reagan-National Airport from as low as $487. The month of July appears to be one of the more expensive times to travel to Washington, D.C. Reagan-National Airport from Portugal. Flying in the targeted month can save you up to 29%.

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

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

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

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

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

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

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

Yes. Cheapflights offers flight deals from Portugal 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.

$788+ Flights from Portugal 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 Portugal 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 Portugal to Reagan-National

Round-trip from	$484 (American Airlines)
One-way from	$483 (Cheapflightsfares)

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

Search Deals

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

Search Deals

Find flight deals from Portugal to Reagan-National

Cheapest flights from Portugal to Reagan-National
Explore the most affordable flight options available from Portugal to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2024.

Thu 12/268:55 amLIS - DCA

1 stop13h 21mBritish Airways

Mon 12/304:48 pmDCA - LIS

1 stop11h 17mBritish Airways

Deal found 12/21

$571

Fri 12/2710:00 amLIS - DCA

1 stop16h 01mVirgin Atlantic

Tue 12/314:00 pmDCA - LIS

1 stop12h 00mVirgin Atlantic

Deal found 12/21

$580

Mon 12/2310:00 amLIS - DCA

1 stop11h 19mDelta

Sat 1/1112:05 pmDCA - LIS

2 stops18h 15mDelta

Deal found 12/20

$587

Thu 12/268:55 amLIS - DCA

2 stops15h 20mAmerican Airlines

Tue 12/313:29 pmDCA - LIS

2 stops12h 46mAmerican Airlines

Deal found 12/21

$588

Sat 12/2110:00 amLIS - DCA

1 stop11h 49mMultiple Airlines

Fri 1/37:15 amDCA - LIS

1 stop19h 45mMultiple Airlines

Deal found 12/20

$687

Sun 12/2210:50 amLIS - DCA

1 stop12h 17mAir Canada

Mon 12/3012:55 pmDCA - LIS

2 stops39h 25mAir Canada

Deal found 12/21

$725

Sun 12/225:15 pmLIS - DCA

1 stop20h 46mTAP AIR PORTUGAL

Sun 12/2911:44 amDCA - LIS

1 stop17h 31mTAP AIR PORTUGAL

Deal found 12/21

$2,338

Best flights from Portugal to Reagan-National
Discover carefully curated flight deals from Portugal to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2024.

Mon 2/108:20 amOPO - DCA

2 stops17h 17mAmerican Airlines

Sun 2/231:15 pmDCA - OPO

2 stops13h 25mAmerican Airlines

Deal found 12/20

$484

Thu 4/108:45 pmLIS - DCA

2 stops29h 45mBritish Airways

Thu 4/174:52 pmDCA - LIS

2 stops25h 08mBritish Airways

Deal found 12/21

$511

Sat 5/175:00 amLIS - DCA

2 stops17h 20mDelta

Sun 5/2512:00 pmDCA - LIS

2 stops15h 50mDelta

Deal found 12/21

$522

Tue 2/411:00 amLIS - DCA

1 stop15h 00mUnited Airlines

Tue 2/114:10 pmDCA - LIS

1 stop12h 10mUnited Airlines

Deal found 12/20

$543

Mon 1/138:40 pmOPO - DCA

2 stops31h 01mIberia

Sun 1/195:49 pmDCA - OPO

2 stops12h 56mIberia

Deal found 12/20

$609

Fri 5/1611:25 amLIS - DCA

1 stop14h 43mAir Canada

Mon 5/264:35 pmDCA - LIS

1 stop11h 45mAir Canada

Deal found 12/21

$651

Fri 5/1612:45 pmLIS - DCA

1 stop15h 12mKLM

Sun 5/251:30 pmDCA - LIS

1 stop16h 15mKLM

Deal found 12/21

$775

Thu 4/1012:45 pmLIS - DCA

1 stop14h 15mVirgin Atlantic

Thu 4/176:05 amDCA - LIS

1 stop20h 55mVirgin Atlantic

Deal found 12/21

$793

Fri 5/95:40 amLIS - DCA

2 stops20h 30mAir France

Fri 5/2312:00 pmDCA - LIS

2 stops15h 50mAir France

Deal found 12/20

$899

Thu 1/235:15 pmLIS - DCA

1 stop20h 45mTAP AIR PORTUGAL

Wed 2/51:00 pmDCA - LIS

1 stop11h 35mTAP AIR PORTUGAL

Deal found 12/21

$911

Thu 1/236:10 amLIS - DCA

2 stops16h 57mMultiple Airlines

Wed 2/54:10 pmDCA - LIS

3 stops18h 05mMultiple Airlines

Deal found 12/20

$978

Thu 1/98:05 pmLIS - DCA

2 stops26h 55mITA Airways

Fri 1/1711:35 amDCA - LIS

2 stops21h 50mITA Airways

Deal found 12/21

$1,035

Last-minute flights from Portugal to Reagan-National
Discover last-minute flight deals from Portugal to Reagan-National. Data last updated December 21, 2024 and is based on user searches.

Sat 12/2110:00 amLIS - DCA

1 stop11h 49mMultiple Airlines

Fri 1/37:15 amDCA - LIS

1 stop19h 45mMultiple Airlines

Deal found 12/20

$687

Sun 12/2210:50 amLIS - DCA

1 stop12h 17mAir Canada

Mon 12/3012:55 pmDCA - LIS

2 stops39h 25mAir Canada

Deal found 12/21

$725

Mon 12/2310:00 amLIS - DCA

1 stop11h 19mDelta

Sat 1/1112:05 pmDCA - LIS

2 stops18h 15mDelta

Deal found 12/20

$587

Thu 12/268:55 amLIS - DCA

1 stop13h 21mBritish Airways

Mon 12/304:48 pmDCA - LIS

1 stop11h 17mBritish Airways

Deal found 12/21

$571

Thu 12/268:55 amLIS - DCA

2 stops15h 20mAmerican Airlines

Tue 12/313:29 pmDCA - LIS

2 stops12h 46mAmerican Airlines

Deal found 12/21

$588

Fri 12/2710:00 amLIS - DCA

1 stop16h 01mVirgin Atlantic

Tue 12/314:00 pmDCA - LIS

1 stop12h 00mVirgin Atlantic

Deal found 12/21

$580

Fri 12/2710:00 amLIS - DCA

1 stop16h 01mDelta

Tue 12/315:42 pmDCA - LIS

2 stops16h 28mDelta

Deal found 12/21

$587

Sat 1/412:25 pmOPO - DCA

2 stops15h 15mAmerican Airlines

Thu 1/95:49 pmDCA - OPO

2 stops17h 11mAmerican Airlines

Deal found 12/20

$1,781

Thu 1/98:05 pmLIS - DCA

2 stops26h 55mITA Airways

Fri 1/1711:35 amDCA - LIS

2 stops21h 50mITA Airways

Deal found 12/21

$1,035

Mon 1/138:40 pmOPO - DCA

2 stops31h 01mIberia

Sun 1/195:49 pmDCA - OPO

2 stops12h 56mIberia

Deal found 12/20

$609

Mon 1/136:40 pmOPO - DCA

1 stop18h 45mTAP AIR PORTUGAL

Sun 1/195:00 pmDCA - OPO

2 stops15h 00mTAP AIR PORTUGAL

Deal found 12/20

$1,141

Mon 1/1310:40 amLIS - DCA

2 stops17h 01mFinnair

Sun 1/265:49 pmDCA - LIS

2 stops16h 01mFinnair

Deal found 12/21

$3,203

One-way flights from Portugal to Reagan-National
Search for one-way flight options from Portugal to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 21, 2024.

Wed 1/2912:25 pmOPO - DCA

2 stops15h 16mBritish Airways

Deal found 12/20

$483

Sat 3/811:00 amLIS - DCA

2 stops17h 22mFinnair

Deal found 12/20

$491

Wed 1/295:20 pmLIS - DCA

2 stops23h 40mMultiple Airlines

Deal found 12/20

$495

Sat 3/156:40 pmLIS - DCA

2 stops25h 49mBritish Airways

Deal found 12/20

$502

Wed 5/286:35 amLIS - DCA

2 stops17h 40mIberia

Deal found 12/21

$503

Wed 1/2911:15 amLIS - DCA

1 stop13h 44mAmerican Airlines

Deal found 12/20

$512

Sun 2/238:20 amOPO - DCA

2 stops15h 37mMultiple Airlines

Deal found 12/20

$513

Tue 5/275:40 amLIS - DCA

2 stops16h 54mDelta

Deal found 12/21

$535

Sat 2/15:15 pmLIS - DCA

1 stop20h 45mTAP AIR PORTUGAL

Deal found 12/19

$627

Sat 5/3111:25 amLIS - DCA

1 stop14h 43mUnited Airlines

Deal found 12/21

$706

Fri 12/2711:00 amLIS - DCA

2 stops33h 19mAir Canada

Deal found 12/20

$711

Sun 2/236:40 pmOPO - DCA

1 stop18h 45mTAP AIR PORTUGAL

Deal found 12/20

$805

Find flights from Portugal to Reagan-National within your budget

Fly from

Fly to

Route

Depart

Return

Price

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Mon 2/10

8:20 am-8:37 pm

2 stops17h 17m

Washington, D.C. Reagan-National

Sun 2/23

1:15 pm-7:40 am

2 stops13h 25m

$484

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 4/10

8:45 pm-9:30 pm

2 stops29h 45m

Washington, D.C. Reagan-National

Thu 4/17

4:52 pm-11:00 pm

2 stops25h 08m

$511

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Sat 5/17

5:00 am-5:20 pm

2 stops17h 20m

Washington, D.C. Reagan-National

Sun 5/25

12:00 pm-8:50 am

2 stops15h 50m

$522

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Tue 2/4

11:00 am-9:00 pm

1 stop15h 00m

Washington, D.C. Reagan-National

Tue 2/11

4:10 pm-9:20 am

1 stop12h 10m

$543

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Mon 1/13

8:40 pm-10:41 pm

2 stops31h 01m

Washington, D.C. Reagan-National

Sun 1/19

5:49 pm-11:45 am

2 stops12h 56m

$609

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Fri 5/16

11:25 am-9:08 pm

1 stop14h 43m

Washington, D.C. Reagan-National

Mon 5/26

4:35 pm-9:20 am

1 stop11h 45m

$651

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Fri 5/16

12:45 pm-10:57 pm

1 stop15h 12m

Washington, D.C. Reagan-National

Sun 5/25

1:30 pm-10:45 am

1 stop16h 15m

$775

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 4/10

12:45 pm-10:00 pm

1 stop14h 15m

Washington, D.C. Reagan-National

Thu 4/17

6:05 am-8:00 am

1 stop20h 55m

$793

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Tue 6/17

11:05 am-7:56 pm

2 stops13h 51m

Washington, D.C. Reagan-National

Sat 6/21

5:00 pm-9:05 am

2 stops11h 05m

$806

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Fri 5/9

5:40 am-9:10 pm

2 stops20h 30m

Washington, D.C. Reagan-National

Fri 5/23

12:00 pm-8:50 am

2 stops15h 50m

$899

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 28 results

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

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

Get recent, data-driven insights about flights from Portugal 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

Peruse reviews from past customers who have flown with British Airways, Virgin Atlantic and TAP AIR PORTUGAL from Portugal to Washington, D.C. to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,597 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

8,597 reviews

Delta

8.0

Very good

8,597 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

1,344 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

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

Finnair

7.7

Good

1,282 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

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

Virgin Atlantic

7.5

Good

668 reviews

Delta

8.0

Very good

8,597 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

1,501 reviews

Delta

8.0

Very good

8,597 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 are the cheapest airlines to fly from Portugal to Washington, D.C. Reagan-National Airport one-way?
For one-way options, check prices for British Airways. According to our data, you can fly for as low as $483. Users have also found prices from $491 and $503 on Finnair and Iberia, respectively.
Can I find deals for flights from Portugal to Reagan-National that include hotel bookings?
Yes. In addition to deals on Portugal to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portugal to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Reagan-National.
Can I find deals for business class flights from Portugal to Reagan-National?
Yes. Cheapflights offers flight deals from Portugal 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 Portugal to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Portugal to Washington, D.C. Reagan-National Airport (average of $278). Flying from Portugal 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

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.

$483+ Cheap flights from Portugal 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portugal 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 Portugal to Reagan-National

Round-trip from

One-way from

Find flight deals from Portugal to Reagan-National

Cheapest flights from Portugal to Reagan-NationalExplore the most affordable flight options available from Portugal to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2024.

Explore the most affordable flight options available from Portugal to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2024.

Find flights from Portugal to Reagan-National within your budget

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

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

Travel insights for flights from Portugal to Reagan-National

Get recent, data-driven insights about flights from Portugal 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

Peruse reviews from past customers who have flown with British Airways, Virgin Atlantic and TAP AIR PORTUGAL from Portugal to Washington, D.C. to help guide your decision. 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 Portugal 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 are the cheapest airlines to fly from Portugal to Washington, D.C. Reagan-National Airport one-way?

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

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

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

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

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 Portugal 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 Portugal to Reagan-National
Explore the most affordable flight options available from Portugal to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2024.