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Washington, D.C.

$307+ Cheap flights from Portugal to Washington, D.C. (WAS)

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — WAS
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Portugal to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Portugal (PT0) to Washington, D.C. (WAS). 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 18, 2024.

Round-trip from

$334
(Booking.com)

One-way from

$307
(Kiwi.com)
From Portugal to Washington, D.C. (WAS)
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One-way flight from Portugal to Washington, D.C. (WAS)
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Find flight deals from Portugal to Washington, D.C.

Cheapest flights from Portugal to Washington, D.C.
Explore the most affordable flight options available from Portugal to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This KLM deal was found by Cheapflights users on 12/17. 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.
Fri 12/273:25 pmLIS - IAD
1 stop29h 20mMultiple Airlines
Tue 1/146:30 pmIAD - LIS
1 stop11h 50mMultiple Airlines
Deal found 12/17$540
This Delta deal was found by Cheapflights users on 12/17. 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.
Fri 12/2710:00 amLIS - IAD
1 stop11h 47mDelta
Tue 1/1412:05 pmIAD - LIS
2 stops18h 15mDelta
Deal found 12/17$551
This Virgin Atlantic deal was found by Cheapflights users on 12/17. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2710:00 amLIS - IAD
1 stop11h 47mVirgin Atlantic
Tue 1/146:00 amIAD - LIS
2 stops21h 00mVirgin Atlantic
Deal found 12/17$554
This Iberia deal was found by Cheapflights users on 12/17. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/237:05 amLIS - BWI
1 stop16h 40mBritish Airways
Sat 1/118:30 pmBWI - LIS
1 stop13h 20mBritish Airways
Deal found 12/17$571
This British Airways deal was found by Cheapflights users on 12/17. 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.
Mon 12/236:30 amLIS - DCA
2 stops14h 54mBritish Airways
Sat 1/114:20 pmDCA - LIS
1 stop11h 45mBritish Airways
Deal found 12/17$578
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/2311:05 amLIS - DCA
2 stops13h 10mAmerican Airlines
Sat 1/113:29 pmDCA - LIS
2 stops12h 36mAmerican Airlines
Deal found 12/17$593
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/275:00 amLIS - BWI
2 stops37h 36mUnited Airlines
Tue 1/145:22 pmBWI - LIS
2 stops33h 48mUnited Airlines
Deal found 12/17$616
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/2711:00 amLIS - IAD
2 stops29h 38mUnited Airlines
Tue 1/146:05 amIAD - LIS
2 stops22h 15mUnited Airlines
Deal found 12/17$632
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/195:30 amLIS - DCA
2 stops17h 30mDelta
Fri 1/32:00 pmDCA - LIS
2 stops16h 20mDelta
Deal found 12/17$668
This AirNGo deal was found by Cheapflights users on 12/17. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1910:00 amLIS - DCA
1 stop17h 32mVirgin Atlantic
Fri 1/35:05 pmDCA - LIS
1 stop9h 55mVirgin Atlantic
Deal found 12/17$674
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/2210:15 amLIS - DCA
1 stop11h 09mUnited Airlines
Thu 1/24:00 pmDCA - LIS
1 stop11h 10mUnited Airlines
Deal found 12/17$785
This Lufthansa deal was found by Cheapflights users on 12/18. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2111:55 amLIS - IAD
Nonstop8h 40mLufthansa
Sat 12/2810:05 pmIAD - LIS
Nonstop6h 55mLufthansa
Deal found 12/18$810

Find flights from Portugal to Washington, D.C. within your budget

Customize your flight search to find flights from Portugal to Washington, D.C. 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 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 1/31

9:15 pm-5:00 pm

1 stop24h 45m

Baltimore/Washington

Sun 2/16

6:10 pm-8:15 pm

1 stop21h 05m

$334

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 1/31

8:25 pm-5:00 pm

2 stops25h 35m

Baltimore/Washington

Fri 2/7

6:10 pm-9:10 pm

2 stops22h 00m

$462

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 1/23

5:30 am-4:15 pm

1 stop15h 45m

Washington, D.C. Dulles Intl

Wed 2/5

12:05 pm-11:20 am

2 stops18h 15m

$511

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 1/23

3:25 pm-3:45 pm

1 stop29h 20m

Washington, D.C. Dulles Intl

Wed 2/5

12:05 pm-8:00 am

1 stop14h 55m

$514

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Tue 1/14

5:00 am-6:00 pm

2 stops18h 00m

Washington, D.C. Reagan-National

Tue 1/21

2:25 pm-11:20 am

2 stops15h 55m

$516

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 1/23

5:00 am-9:21 pm

2 stops21h 21m

Washington, D.C. Dulles Intl

Wed 2/5

8:22 am-8:10 am

1 stop18h 48m

$529

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 5/16

8:25 am-4:05 pm

1 stop12h 40m

Washington, D.C. Dulles Intl

Mon 5/26

5:50 pm-12:45 pm

1 stop13h 55m

$531

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 1/23

10:00 am-6:00 pm

1 stop13h 00m

Washington, D.C. Reagan-National

Wed 2/5

4:25 pm-8:00 am

1 stop10h 35m

$532

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 1/23

11:15 am-3:00 pm

Nonstop8h 45m

Washington, D.C. Dulles Intl

Wed 2/5

10:30 pm-10:35 am

Nonstop7h 05m

$533

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 3/17

12:05 pm-3:30 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

Mon 3/31

10:20 pm-11:20 pm

1 stop20h 00m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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Best time to book a flight from Portugal to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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 Washington, D.C.

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

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

Currently, November is the cheapest month in which you can book a flight from Portugal to Washington, D.C. (average of $299). Flying from Portugal to Washington, D.C. in June is currently the most expensive (average of $377). 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 PT to WAS?

Find hourly flight availability from Portugal to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

When flying from Portugal to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Portugal to Washington, D.C.

Explore weekly flight availability from Portugal to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 18, 2024.

The most flights from PT0 to WAS are scheduled on a Monday (5 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated December 18, 2024.
Get a feel of what it's like to fly with United Airlines, TAP AIR PORTUGAL and American Airlines from Portugal to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

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
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

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
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

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
1,285 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
787 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 10

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

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

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

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

    To fly one-way, consider booking your trip with PLAY, which is currently one of the cheapest options available, starting at $340. Finnair flights start at $482 while deals on British Airways start at $482 one-way.

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

    The most popular flight routes from Portugal to Washington, D.C. are Lisbon Humberto Delgado - Washington, D.C. Dulles Intl, Lisbon Humberto Delgado - Baltimore/Washington and Lisbon Humberto Delgado - Washington, D.C. Reagan-National.

  • What are the most reliable airlines from Portugal to Washington, D.C.?

    No one likes to see their flight delayed. When booking a flight from Portugal to Washington, D.C. consider choosing Air Canada (84%), United Airlines (84%) or Lufthansa (84%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portugal to Washington, D.C.?

    Looking for the cheapest flight from Portugal to Washington, D.C.? While on average our users pay $1,240, our data indicates the cheapest price to be $517. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $454.

  • Can I find deals for flights from Portugal to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Portugal to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Washington, D.C.?

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

  • Can I find deals for business class flights from Portugal to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Portugal to Washington, D.C. 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.?

    Currently, November is the cheapest month in which you can book a flight from Portugal to Washington, D.C. (average of $299). Flying from Portugal to Washington, D.C. in June is currently the most expensive (average of $377). 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 Portugal to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
Charles de Gaulle to Dulles Intl flights
Frankfurt to Dulles Intl flights
Gatwick to Dulles Intl flights
Heathrow to Reagan-National flights
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Istanbul to Dulles Intl flights
London City to Dulles Intl flights
Charles de Gaulle to Reagan-National flights
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Frankfurt to Reagan-National flights
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Dublin to Dulles Intl flights
Amsterdam to Dulles Intl flights
Gatwick to Reagan-National flights
Vienna to Dulles Intl flights
Madrid to Dulles Intl flights
Frederic Chopin to Reagan-National flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Zurich to Dulles Intl flights
Bruxelles-National to Reagan-National flights
Istanbul to Reagan-National flights
Luton to Dulles Intl flights
Madrid to Reagan-National flights
Geneva to Dulles Intl flights
Athens to Dulles Intl flights
Munich to Reagan-National flights
Berlin to Dulles Intl flights
Stansted to Dulles Intl flights
Sabiha Gokcen to Dulles Intl flights
Budapest to Dulles Intl flights
London City to Reagan-National flights
Lisbon to Dulles Intl flights
Barcelona-El Prat to Reagan-National flights
Vienna to Reagan-National flights
Barcelona-El Prat to Dulles Intl flights
Athens to Reagan-National flights
Berlin to Reagan-National flights
Manchester to Dulles Intl flights
Budapest to Reagan-National flights
Leonardo da Vinci/Fiumicino to Reagan-National flights
Copenhagen to Dulles Intl flights
Duesseldorf Intl to Dulles Intl flights
Zurich to Reagan-National flights
Malpensa to Dulles Intl flights
Duesseldorf Intl to Reagan-National flights
Geneva to Reagan-National flights

Top 3 airlines flying from Portugal to Washington, D.C.

Discover the top 3 airlines that operate flights from Portugal to Washington, D.C.. 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 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$501Average$765FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$536Average$779FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$543Average$711FlexibilityNo cancel feeOn-time69%
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