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$380+ Cheap flights from Reagan-National (DCA) to 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LIS
Dec 26 — Jan 21
Thu 12/26
Thu 1/2
1 adult, Economy
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Cheap flight deals from Reagan-National to Portugal

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Portugal (PT0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 21, 2024.

Round-trip from

$568
(Delta)

One-way from

$380
(Mytrip)
From Washington, D.C. Reagan-National to Portugal
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One-way flight from Washington, D.C. Reagan-National to Portugal
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Find flight deals from Reagan-National to Portugal

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

This KLM deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:05 pmDCA - LIS
1 stop9h 55mKLM
Fri 1/1010:00 amLIS - DCA
1 stop13h 00mKLM
Deal found 12/21$954
This British Airways deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/294:48 pmDCA - LIS
1 stop11h 07mBritish Airways
Tue 1/148:20 amLIS - DCA
2 stops15h 54mBritish Airways
Deal found 12/20$956
This Delta deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2912:00 pmDCA - LIS
1 stop15h 55mDelta
Fri 1/105:00 amLIS - DCA
2 stops20h 00mDelta
Deal found 12/21$962
This American Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2512:22 pmDCA - LIS
1 stop13h 33mAmerican Airlines
Mon 12/3011:05 amLIS - DCA
2 stops15h 24mAmerican Airlines
Deal found 12/20$1,122
This Mytrip deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2612:55 pmDCA - OPO
3 stops25h 25mMultiple Airlines
Mon 12/304:10 pmOPO - DCA
2 stops35h 27mMultiple Airlines
Deal found 12/21$1,233
This Mytrip deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/259:40 amDCA - LIS
3 stops27h 50mMultiple Airlines
Sun 12/296:00 amLIS - DCA
3 stops35h 20mMultiple Airlines
Deal found 12/20$1,256
This Air Canada deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:50 pmDCA - OPO
2 stops15h 20mAir Canada
Thu 1/96:00 amOPO - DCA
2 stops18h 57mAir Canada
Deal found 12/21$1,497
This KLM deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/314:00 pmDCA - OPO
2 stops14h 45mKLM
Tue 1/146:00 amOPO - DCA
2 stops17h 04mKLM
Deal found 12/21$1,517
This Travelocity deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2612:59 pmDCA - LIS
2 stops17h 51mIberia
Mon 1/136:45 pmLIS - DCA
2 stops32h 56mIberia
Deal found 12/21$1,614
This Air France deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/283:00 pmDCA - OPO
2 stops14h 50mAir France
Sun 1/1211:45 amOPO - DCA
2 stops16h 38mAir France
Deal found 12/21$1,616
This Mytrip deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/216:59 amDCA - PDL
2 stops19h 26mMultiple Airlines
Sat 12/286:30 amPDL - DCA
3 stops44h 07mMultiple Airlines
Deal found 12/20$1,686
This Gurufare deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:48 amDCA - OPO
2 stops18h 57mBritish Airways
Sun 1/58:40 pmOPO - DCA
2 stops24h 49mBritish Airways
Deal found 12/21$1,710

Find flights from Reagan-National to Portugal within your budget

Customize your flight search to find flights from Reagan-National to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2024.

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Depart

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Price

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 2/27

7:55 pm-9:55 pm

2 stops21h 00m

Lisbon Humberto Delgado

Tue 3/11

6:30 am-8:39 pm

2 stops18h 09m

$570

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Fri 3/21

6:45 pm-2:35 pm

2 stops15h 50m

Lisbon Humberto Delgado

Thu 3/27

5:00 am-7:25 pm

2 stops18h 25m

$572

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 1/20

11:35 am-8:00 am

1 stop15h 25m

Lisbon Humberto Delgado

Mon 1/27

10:00 am-10:00 pm

1 stop17h 00m

$573

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 2/3

4:25 pm-8:00 am

1 stop10h 35m

Lisbon Humberto Delgado

Tue 2/11

10:00 am-6:00 pm

1 stop13h 00m

$598

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Sun 2/9

11:35 am-8:00 am

1 stop15h 25m

Lisbon Humberto Delgado

Sun 2/23

6:30 pm-6:22 pm

2 stops28h 52m

$600

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 2/4

3:59 pm-12:05 pm

2 stops15h 06m

Lisbon Humberto Delgado

Tue 2/11

11:10 am-4:55 pm

1 stop10h 45m

$604

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Wed 2/12

6:00 am-11:15 am

2 stops24h 15m

Porto

Wed 2/19

6:00 am-7:57 pm

2 stops18h 57m

$614

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Wed 2/12

11:10 am-11:15 am

2 stops19h 05m

Porto

Wed 2/19

6:00 am-7:57 pm

2 stops18h 57m

$632

Washington, D.C.Funchal

DCA - FNC

DCAFNC

Washington, D.C. Reagan-National

Sat 3/15

6:00 am-12:00 pm

2 stops26h 00m

Funchal Madeira

Sun 3/23

12:50 pm-9:29 am

2 stops24h 39m

$634

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Wed 1/15

1:40 pm-7:40 am

2 stops13h 00m

Lisbon Humberto Delgado

Wed 1/22

8:20 am-7:14 pm

2 stops15h 54m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 51 results
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Best time to book a flight from Reagan-National to Portugal

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

Travel insights for flights from Reagan-National to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Portugal (average of $612). Flying from Washington, D.C. Reagan-National Airport to Portugal in June is currently the most expensive (average of $1,250). 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 DCA to PT?

Find hourly flight availability from Reagan-National to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2024.

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 Portugal as you normally would.

Rainfall in Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated December 21, 2024.
Get a feel of what it's like to fly with Delta, KLM and Iberia from Washington, D.C. to Portugal by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,597 reviews

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,597 reviews
Delta
8.0
Very good
8,597 reviews

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,344 reviews
Delta
8.0
Very good
8,597 reviews

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Finnair
7.7
Good
1,282 reviews
Delta
8.0
Very good
8,597 reviews

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
668 reviews
Delta
8.0
Very good
8,597 reviews

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Air France
7.4
Good
1,501 reviews
Delta
8.0
Very good
8,597 reviews

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Portugal. 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 Washington, D.C. Reagan-National Airport to Portugal one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Portugal are American Airlines ($438), British Airways ($485), and Scandinavian Airlines ($536).

  • What are the most popular routes from Washington, D.C. Reagan-National Airport to Portugal?

    The most popular route from Washington, D.C. Reagan-National Airport to Portugal is Washington, D.C. Reagan-National - Lisbon Humberto Delgado. You may also consider Washington, D.C. Reagan-National - Porto or Washington, D.C. Reagan-National - Funchal Madeira.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Portugal 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 Portugal?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Portugal (average of $612). Flying from Washington, D.C. Reagan-National Airport to Portugal in June is currently the most expensive (average of $1,250). 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.

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Alternative routes for Reagan-National to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Reagan-National to Portugal

Discover the top 9 airlines that operate flights from Reagan-National to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$418Average$630FlexibilityNo cancel feeOn-time71%
IberiaCheapest$421Average$442FlexibilityNo cancel feeOn-time77%
DeltaCheapest$443Average$1,012FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$562Average$1,027FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$567Average$1,043FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$610Average$1,044FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$729Average$957FlexibilityNo cancel feeOn-time67%
KLMCheapest$752Average$1,029FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$968Average$969FlexibilityNo cancel feeOn-time76%
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