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District of Columbia

$336+ Cheap flights from Portugal to District of Columbia

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Portugal to District of Columbia

Keep the following information in mind while searching for Portugal to District of Columbia flight deals. Data was last updated September 11, 2025.

Round-trip from

$452
(oojo)

One-way from

$336
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$522

Good round-trip deal

$764 or less

Good one-way deal

$443 or less
From Portugal to District of Columbia
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One-way flight from Portugal to District of Columbia
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Highest demand for flights based on searches. 15% potential increase in price ($123 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Portugal to District of Columbia.
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Price to beat on a one-way flight from Portugal to District of Columbia.
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Find flight deals from Portugal to District of Columbia

Cheapest flights from Portugal to District of Columbia
Explore the most affordable flight options available from Portugal to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/213:45 pmLIS - IAD
1 stop32h 05mScandinavian Airlines
Thu 12/118:30 pmIAD - LIS
1 stop14h 35mScandinavian Airlines
Deal found 9/11$452
This Scandinavian Airlines deal was found by Cheapflights users on 9/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:35 pmOPO - IAD
1 stop30h 15mScandinavian Airlines
Thu 11/138:30 pmIAD - OPO
1 stop15h 25mScandinavian Airlines
Deal found 9/11$469
This Rumbo deal was found by Cheapflights users on 9/10. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:30 pmOPO - IAD
1 stop13h 20mTAP AIR PORTUGAL
Wed 9/245:50 pmIAD - OPO
1 stop10h 10mTAP AIR PORTUGAL
Deal found 9/10$503
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Wed 9/1711:00 amOPO - IAD
1 stop14h 50mTAP AIR PORTUGAL
Wed 9/245:50 pmIAD - OPO
1 stop16h 10mTAP AIR PORTUGAL
Deal found 9/11$504
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Fri 9/265:55 amLIS - IAD
1 stop15h 20mSWISS
Mon 9/298:45 pmIAD - LIS
1 stop15h 35mSWISS
Deal found 9/9$506
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Thu 12/187:00 amLIS - IAD
1 stop17h 55mMultiple Airlines
Thu 1/86:20 pmIAD - LIS
1 stop12h 50mMultiple Airlines
Deal found 9/11$521
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/307:00 amLIS - IAD
1 stop17h 55mAmerican Airlines
Fri 11/79:45 pmIAD - LIS
1 stop19h 40mAmerican Airlines
Deal found 9/11$522
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 11/87:00 amLIS - IAD
1 stop13h 35mAmerican Airlines
Sat 11/156:20 pmIAD - LIS
1 stop18h 35mAmerican Airlines
Deal found 9/9$523
This deal was found by Cheapflights users on 9/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:05 amLIS - IAD
1 stop13h 30mBritish Airways
Mon 11/106:20 pmIAD - LIS
1 stop15h 35mBritish Airways
Deal found 9/11$525
This Delta deal was found by Cheapflights users on 9/11. 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 10/95:00 amLIS - IAD
1 stop15h 35mDelta
Wed 10/229:20 pmIAD - LIS
1 stop15h 35mDelta
Deal found 9/11$526
This KLM deal was found by Cheapflights users on 9/9. 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 10/37:30 pmLIS - IAD
1 stop25h 05mMultiple Airlines
Fri 10/109:20 pmIAD - LIS
1 stop12h 30mMultiple Airlines
Deal found 9/9$527
This Delta deal was found by Cheapflights users on 9/11. 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 9/2612:10 pmLIS - IAD
1 stop12h 05mDelta
Tue 10/1412:09 pmIAD - LIS
2 stops15h 51mDelta
Deal found 9/11$530

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to District of Columbia 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 September 11, 2025.
Use the filters below to find and compare flights from Portugal to District of Columbia that are best for you.

Fly from

Portugal

Fly to

District of Columbia

Route

Depart

Return

Price

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 10/7

7:30 pm-3:35 pm

1 stop25h 05m

Washington, D.C. Dulles Intl

Tue 10/14

9:20 pm-2:50 pm

1 stop12h 30m

$523

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 10/7

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Tue 10/14

7:59 pm-5:50 pm

2 stops16h 51m

$524

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sat 11/8

7:00 am-3:35 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Sat 11/15

9:45 pm-2:50 pm

1 stop12h 05m

$524

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 10/9

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 10/22

9:20 pm-2:50 pm

1 stop12h 30m

$524

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 10/9

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 10/22

7:59 pm-2:50 pm

2 stops13h 51m

$524

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 11/18

7:40 pm-3:35 pm

1 stop24h 55m

Washington, D.C. Dulles Intl

Mon 11/24

9:45 pm-9:55 pm

1 stop19h 10m

$525

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Sat 11/1

5:00 am-5:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sat 11/15

6:50 pm-11:20 am

1 stop11h 30m

$526

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Fri 11/14

6:00 am-3:50 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Wed 11/19

5:33 pm-9:30 am

1 stop10h 57m

$530

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Fri 11/14

6:00 am-3:50 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Tue 11/18

5:33 pm-9:30 am

1 stop10h 57m

$530

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Thu 11/13

6:00 am-3:50 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Tue 11/18

5:33 pm-9:30 am

1 stop10h 57m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 results
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Best time to book a flight from Portugal to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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.

Cheapflights Insights

Everything you need to know about your flight from Portugal to District of Columbia

What is the cheapest month to book a flight from Portugal to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from Portugal to District of Columbia (average of $292). Flying from Portugal to District of Columbia in April is currently the most expensive (average of $337). 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 DC?

Find hourly flight availability from Portugal to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Portugal to District of Columbia, 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 District of Columbia

Explore weekly flight availability from Portugal to District of Columbia. 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 September 11, 2025.

The most flights from PT0 to USDC are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and TAP AIR PORTUGAL from Portugal to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

Find useful and relevant information for your journey from Portugal to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portugal to District of Columbia?

    There are many flights that can get you from Portugal to District of Columbia in 13h 35m. Fly via Scandinavian Airlines, Delta, or American Airlines to get the fastest option. There are 3580 mi between Portugal and District of Columbia. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Portugal to District of Columbia one-way?

    The cheapest airlines for a one-way flight from Portugal to District of Columbia are British Airways ($383), American Airlines ($399), and TAP AIR PORTUGAL ($407).

  • Can I find deals for flights from Portugal to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Portugal to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to District of Columbia?

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

  • Can I find deals for business class flights from Portugal to District of Columbia?

    Yes. Cheapflights offers flight deals from Portugal to District of Columbia 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 District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Portugal to District of Columbia (average of $292). Flying from Portugal to District of Columbia in April is currently the most expensive (average of $337). 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 Portugal to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Portugal to District of Columbia

Discover the top 4 airlines that operate flights from Portugal to District of Columbia. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$480Average$793FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$493Average$644FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$534Average$635FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$536Average$740FlexibilityNo cancel feeOn-time76%

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