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$401+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LIS
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
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 January 16, 2025.

Round-trip from

$516
(Gotogate)

One-way from

$413
(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 January 16, 2025.

This Gotogate deal was found by Cheapflights users on 1/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1811:10 amDCA - OPO
2 stops19h 55mAir Canada
Tue 2/256:00 amOPO - DCA
2 stops31h 57mAir Canada
Deal found 1/16$516
This Gotogate deal was found by Cheapflights users on 1/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/196:59 amDCA - OPO
2 stops30h 41mMultiple Airlines
Wed 2/266:00 amOPO - DCA
2 stops21h 37mMultiple Airlines
Deal found 1/15$529
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1811:10 amDCA - OPO
2 stops19h 30mUnited Airlines
Tue 2/256:00 amOPO - DCA
2 stops31h 57mUnited Airlines
Deal found 1/16$537
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Tue 2/185:15 pmDCA - OPO
2 stops13h 30mAmerican Airlines
Tue 2/258:20 amOPO - DCA
2 stops15h 37mAmerican Airlines
Deal found 1/15$543
This Delta deal was found by Cheapflights users on 1/15. 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.
Wed 1/226:09 amDCA - OPO
2 stops23h 41mDelta
Tue 1/286:00 amOPO - DCA
2 stops21h 00mDelta
Deal found 1/15$573
This Orbitz deal was found by Cheapflights users on 1/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/245:49 pmDCA - OPO
2 stops12h 56mIberia
Tue 1/288:20 amOPO - DCA
2 stops19h 21mIberia
Deal found 1/14$594
This Mytrip deal was found by Cheapflights users on 1/15. 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.
Mon 2/1011:10 amDCA - LIS
3 stops27h 05mMultiple Airlines
Mon 2/1710:00 pmLIS - DCA
3 stops22h 29mMultiple Airlines
Deal found 1/15$631
This FlightHub deal was found by Cheapflights users on 1/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2411:35 amDCA - FAO
2 stops19h 20mScandinavian Airlines
Tue 3/412:45 pmFAO - DCA
2 stops38h 15mScandinavian Airlines
Deal found 1/15$651
This Cheapflightsfares deal was found by Cheapflights users on 1/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1411:39 amDCA - LIS
2 stops27h 11mITA Airways
Sun 3/237:55 pmLIS - DCA
2 stops30h 33mITA Airways
Deal found 1/16$699
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/18:30 amDCA - LIS
2 stops19h 50mUnited Airlines
Wed 4/3011:25 amLIS - DCA
2 stops28h 11mUnited Airlines
Deal found 1/16$783
This Ovago deal was found by Cheapflights users on 1/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/211:35 amDCA - LIS
2 stops23h 00mScandinavian Airlines
Wed 2/267:00 pmLIS - DCA
2 stops32h 00mScandinavian Airlines
Deal found 1/15$786
This Finnair deal was found by Cheapflights users on 1/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:49 pmDCA - LIS
2 stops24h 21mFinnair
Wed 5/76:35 amLIS - DCA
2 stops21h 49mFinnair
Deal found 1/16$797

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 January 16, 2025.

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Route

Depart

Return

Price

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 2/18

11:10 am-12:05 pm

2 stops19h 55m

Porto

Tue 2/25

6:00 am-8:57 am

2 stops31h 57m

$516

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Wed 2/19

6:59 am-6:40 pm

2 stops30h 41m

Porto

Wed 2/26

6:00 am-10:37 pm

2 stops21h 37m

$529

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 2/18

11:10 am-11:40 am

2 stops19h 30m

Porto

Tue 2/25

6:00 am-8:57 am

2 stops31h 57m

$537

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 2/18

10:13 am-7:40 am

2 stops16h 27m

Porto

Tue 2/25

8:20 am-6:57 pm

2 stops15h 37m

$543

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 2/10

11:10 am-7:15 pm

3 stops27h 05m

Lisbon Humberto Delgado

Mon 2/17

10:00 pm-3:29 pm

3 stops22h 29m

$631

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

Mon 2/24

11:35 am-11:55 am

2 stops19h 20m

Faro

Tue 3/4

12:45 pm-10:00 pm

2 stops38h 15m

$651

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Fri 3/14

11:39 am-6:50 pm

2 stops27h 11m

Lisbon Humberto Delgado

Sun 3/23

7:55 pm-10:28 pm

2 stops30h 33m

$699

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Sun 3/30

12:10 pm-10:40 am

2 stops17h 30m

Porto

Sun 4/6

9:20 am-11:44 pm

2 stops19h 24m

$714

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 2/4

5:49 pm-11:45 am

2 stops12h 56m

Porto

Tue 2/18

12:25 pm-10:35 pm

2 stops15h 10m

$741

Washington, D.C.Funchal

DCA - FNC

DCAFNC

Washington, D.C. Reagan-National

Sat 3/15

11:10 am-7:35 pm

3 stops28h 25m

Funchal Madeira

Sat 3/22

8:25 pm-10:37 pm

3 stops30h 12m

$779

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

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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 $1,247). 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 January 16, 2025.

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 January 16, 2025.
Get a feel of what it's like to fly with American Airlines, United Airlines and British Airways 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
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

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
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

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
664 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

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 Iberia ($451), Azores Airlines ($455), and Delta ($455).

  • 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 - Faro.

  • 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 $1,247). 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 8 airlines flying from Reagan-National to Portugal

Discover the top 8 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$418Average$630FlexibilityNo cancel feeOn-time71%
DeltaCheapest$443Average$1,022FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$562Average$1,029FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$567Average$1,050FlexibilityNo cancel feeOn-time69%
KLMCheapest$619Average$1,029FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$638Average$1,056FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$729Average$986FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$968Average$969FlexibilityNo cancel feeOn-time76%
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