Portugal

$263+ Cheap flights from District of Columbia 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
Feb 4 — Feb 111
We work with more than 300 partners to bring you better travel deals

Find cheap flights from District of Columbia to Portugal 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 District of Columbia to Portugal

Discover tips and strategies to find the most affordable flight options for your journey from District of Columbia (USDC) 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 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$517
(FlightHub)

One-way from

$263
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$708

Good round-trip deal

$732 or less

Good one-way deal

$476 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Lisbon Humberto Delgado flights.
From District of Columbia to Portugal
One-way flight from District of Columbia to Portugal
Highest demand for flights based on searches. 0% potential increase in price ($7 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in January 2025
Price to beat on a round-trip flight from District of Columbia to Portugal.
Price to beat on a one-way flight from District of Columbia to Portugal.

Find flight deals from District of Columbia to Portugal

Cheapest flights from District of Columbia to Portugal
Explore the most affordable flight options available from District of Columbia to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2025.

This FlightHub deal was found by Cheapflights users on 1/29. 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 4/210:05 pmIAD - FAO
2 stops54h 20mScandinavian Airlines
Wed 4/99:40 amFAO - IAD
1 stop15h 19mScandinavian Airlines
Deal found 1/29$517
This Mytrip deal was found by Cheapflights users on 1/28. 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 2/278:45 pmIAD - OPO
1 stop33h 25mMultiple Airlines
Thu 3/66:00 amOPO - IAD
2 stops32h 46mMultiple Airlines
Deal found 1/28$518
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/278:45 pmIAD - OPO
1 stop14h 55mSWISS
Thu 3/67:30 pmOPO - IAD
1 stop25h 55mSWISS
Deal found 1/28$527
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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.
Sat 3/2211:20 pmIAD - OPO
1 stop20h 15mLufthansa
Wed 4/211:05 amOPO - IAD
1 stop13h 20mLufthansa
Deal found 1/28$534
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 3/225:52 pmIAD - OPO
2 stops41h 18mUnited Airlines
Wed 4/26:00 amOPO - IAD
2 stops30h 55mUnited Airlines
Deal found 1/28$539
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Thu 2/2711:10 amDCA - OPO
2 stops19h 25mUnited Airlines
Thu 3/66:00 amOPO - DCA
2 stops31h 57mUnited Airlines
Deal found 1/28$539
This Delta deal was found by Cheapflights users on 1/29. 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 2/215:35 pmIAD - OPO
1 stop11h 55mDelta
Sat 3/16:00 amOPO - IAD
1 stop14h 45mDelta
Deal found 1/29$546
This Air Canada deal was found by Cheapflights users on 1/29. 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.
Mon 3/311:52 pmIAD - OPO
2 stops16h 23mAir Canada
Tue 4/88:40 amOPO - IAD
2 stops28h 15mAir Canada
Deal found 1/29$548
This Mytrip deal was found by Cheapflights users on 1/29. 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.
Tue 4/15:00 pmIAD - OPO
1 stop21h 00mTAP AIR PORTUGAL
Wed 4/3010:25 pmOPO - IAD
1 stop21h 55mTAP AIR PORTUGAL
Deal found 1/29$563
This oojo deal was found by Cheapflights users on 1/30. 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.
Wed 2/198:40 pmIAD - LIS
1 stop15h 15mRoyal Air Maroc
Wed 2/2611:20 amLIS - IAD
1 stop12h 20mRoyal Air Maroc
Deal found 1/30$566
This CrystalTravel deal was found by Cheapflights users on 1/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/265:10 pmIAD - LIS
1 stop23h 25mMultiple Airlines
Sun 3/27:00 pmLIS - IAD
1 stop25h 40mMultiple Airlines
Deal found 1/29$572
This FlightHub deal was found by Cheapflights users on 1/29. 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.
Thu 2/67:40 pmIAD - LIS
1 stop19h 40mIcelandair
Mon 2/109:20 pmLIS - IAD
1 stop26h 05mIcelandair
Deal found 1/29$584

Find flights from District of Columbia to Portugal within your budget

Customize your flight search to find flights from District of Columbia 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 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Wed 4/2

10:05 pm-9:25 am

2 stops54h 20m

Faro

Wed 4/9

9:40 am-7:59 pm

1 stop15h 19m

$517

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Thu 3/6

8:45 pm-4:40 pm

1 stop14h 55m

Porto

Wed 3/12

12:05 pm-5:25 pm

1 stop33h 20m

$518

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 2/19

8:40 pm-4:55 pm

1 stop15h 15m

Lisbon Humberto Delgado

Wed 2/26

11:20 am-6:40 pm

1 stop12h 20m

$566

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 2/26

5:10 pm-9:35 pm

1 stop23h 25m

Lisbon Humberto Delgado

Sun 3/2

7:00 pm-3:40 pm

1 stop25h 40m

$572

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 3/3

7:15 pm-11:05 am

1 stop10h 50m

Porto

Mon 3/10

5:55 pm-3:30 pm

1 stop25h 35m

$580

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Thu 2/20

7:40 pm-8:20 pm

1 stop19h 40m

Lisbon Humberto Delgado

Mon 2/24

9:20 pm-6:25 pm

1 stop26h 05m

$597

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 2/26

5:10 pm-9:35 pm

1 stop23h 25m

Lisbon Humberto Delgado

Wed 3/5

12:05 pm-3:40 pm

2 stops32h 35m

$598

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sat 3/15

9:45 pm-6:15 pm

1 stop16h 30m

Lisbon Humberto Delgado

Sat 3/22

10:50 am-8:15 pm

1 stop13h 25m

$609

Washington, D.C.Ponta Delgada

IAD - PDL

IADPDL

Washington, D.C. Dulles Intl

Mon 2/24

7:15 pm-6:35 pm

1 stop19h 20m

Ponta Delgada Nordela

Wed 3/5

9:30 am-9:00 pm

1 stop15h 30m

$610

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Fri 3/7

8:40 pm-7:55 pm

2 stops18h 15m

Porto

Sat 3/15

11:40 am-7:40 pm

2 stops36h 00m

$620

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from District of Columbia to Portugal

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

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

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

Currently, January is the cheapest month in which you can book a flight from District of Columbia to Portugal (average of $612). Flying from District of Columbia to Portugal in June is currently the most expensive (average of $1,244). 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 DC to PT?

Find hourly flight availability from District of Columbia 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 30, 2025.

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

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 30, 2025.
Read through reviews of airlines operating flights from District of Columbia to Portugal, such as Delta, KLM and LOT. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

8.0
Very good
8.0
Very good

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

8.0
Very good

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

8.0
Very good

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

8.0
Very good

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

8.0
Very good

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 District of Columbia 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 District of Columbia to Portugal one-way?

    One-way options have recently been found by users for as low as $373 on Royal Air Maroc. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $381 and Scandinavian Airlines from $406 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from District of Columbia to Portugal (average of $612). Flying from District of Columbia to Portugal in June is currently the most expensive (average of $1,244). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from District of Columbia to Portugal

Discover the top 10 airlines that operate flights from District of Columbia 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$307Average$372FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$422Average$910FlexibilityNo cancel feeOn-time77%
DeltaCheapest$424Average$954FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$430Average$822FlexibilityNo cancel feeOn-time75%
IberiaCheapest$430Average$704FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$437Average$745FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$459Average$929FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$538Average$925FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$539Average$863FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$543Average$1,118FlexibilityNo cancel feeOn-time69%
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.