What are the cheapest airlines to fly from Portugal to Washington, D.C. one-way?

To fly one-way, consider booking your trip with Iberia, which is currently one of the cheapest options available, starting at $477. British Airways flights start at $483 while deals on Finnair start at $485 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 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 $1,435, our data indicates the cheapest price to be $527. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $420.

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 (79%), United Airlines (79%) or Lufthansa (79%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Portugal to Washington, D.C.?

Consider Lufthansa, TAP AIR PORTUGAL or United Airlines when booking your flight. These represent the most popular airlines when flying from Portugal to Washington, D.C..

How far in advance should I book a flight from Portugal to Washington, D.C.?

To save up to 27% on this flight, we recommend booking at least 26 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Portugal to Washington, D.C. from $549 1-2 weeks out and tickets from $644 for flights departing within the next 72 hours.

What is the cheapest month to fly from Portugal to Washington, D.C.?

The best pricing can be found in the month of September. Prices to Washington, D.C. from Portugal average $685. You can even find prices in September for less than $685, as users have found deals to Washington, D.C. from as low as $488. The month of July appears to be one of the more expensive times to travel to Washington, D.C. from Portugal. Flying in the targeted month can save you up to 30%.

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.

$527+ Flights from Portugal to Washington, D.C., District of Columbia

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Cheap flight deals from Portugal to Washington, D.C.

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 November 21, 2024.

Fri 12/139:15 pmLIS - BWI

1 stop24h 45mPLAY

Sun 12/296:10 pmBWI - LIS

1 stop21h 05mPLAY

Deal found 11/20

$264

Fri 12/611:05 amLIS - BWI

2 stops16h 12mAmerican Airlines

Tue 12/101:41 pmBWI - LIS

2 stops14h 34mAmerican Airlines

Deal found 11/19

$437

Fri 11/229:15 pmLIS - IAD

1 stop24h 45mPLAY

Thu 11/286:10 pmIAD - LIS

1 stop21h 05mPLAY

Deal found 11/20

$517

Mon 12/166:00 amOPO - IAD

1 stop19h 20mLufthansa

Mon 12/305:50 pmIAD - OPO

1 stop12h 45mLufthansa

Deal found 11/20

$517

Wed 11/2711:15 amLIS - IAD

2 stops13h 16mAmerican Airlines

Wed 12/111:41 pmIAD - LIS

2 stops12h 14mAmerican Airlines

Deal found 11/20

$523

Mon 12/166:00 amOPO - IAD

2 stops30h 29mUnited Airlines

Mon 12/305:50 pmIAD - OPO

1 stop12h 45mUnited Airlines

Deal found 11/20

$526

Fri 12/65:15 pmLIS - IAD

Nonstop8h 45mTAP AIR PORTUGAL

Tue 12/105:30 pmIAD - LIS

Nonstop7h 05mTAP AIR PORTUGAL

Deal found 11/19

$527

Tue 12/245:00 amLIS - IAD

1 stop15h 50mLufthansa

Sun 1/510:10 pmIAD - LIS

Nonstop7h 05mLufthansa

Deal found 11/20

$528

Wed 11/275:00 amLIS - DCA

2 stops34h 03mUnited Airlines

Sun 12/14:00 pmDCA - LIS

1 stop11h 10mUnited Airlines

Deal found 11/20

$534

Thu 11/285:30 amLIS - IAD

1 stop15h 45mAir France

Mon 12/96:30 pmIAD - LIS

1 stop18h 00mAir France

Deal found 11/20

$537

Tue 12/35:00 amLIS - IAD

1 stop15h 45mDelta

Thu 1/166:30 pmIAD - LIS

1 stop11h 50mDelta

Deal found 11/20

$538

Wed 11/273:25 pmLIS - IAD

1 stop29h 20mKLM

Sun 12/15:04 pmIAD - LIS

1 stop9h 56mKLM

Deal found 11/20

$540

Best flights from Portugal to Washington, D.C.
Discover carefully curated flight deals from Portugal to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 21, 2024.

Fri 12/139:15 pmLIS - BWI

1 stop24h 45mPLAY

Sun 12/296:10 pmBWI - LIS

1 stop21h 05mPLAY

Deal found 11/20

$264

Wed 12/410:40 amLIS - BWI

1 stop13h 05mAmerican Airlines

Mon 12/98:30 pmBWI - LIS

1 stop13h 25mAmerican Airlines

Deal found 11/19

$427

Mon 1/135:30 pmOPO - IAD

1 stop31h 15mMultiple Airlines

Sun 1/266:00 pmIAD - OPO

2 stops21h 00mMultiple Airlines

Deal found 11/19

$511

Fri 1/175:15 pmLIS - IAD

Nonstop8h 45mTAP AIR PORTUGAL

Thu 1/305:30 pmIAD - LIS

Nonstop7h 05mTAP AIR PORTUGAL

Deal found 11/20

$514

Mon 12/166:00 amOPO - IAD

1 stop19h 20mLufthansa

Mon 12/305:50 pmIAD - OPO

1 stop12h 45mLufthansa

Deal found 11/20

$517

Wed 12/412:15 pmLIS - IAD

2 stops31h 20mAustrian Airlines

Tue 12/106:00 pmIAD - LIS

2 stops23h 30mAustrian Airlines

Deal found 11/18

$519

Mon 12/166:00 amOPO - IAD

2 stops30h 29mUnited Airlines

Mon 12/305:50 pmIAD - OPO

1 stop12h 45mUnited Airlines

Deal found 11/20

$526

Tue 12/35:00 amLIS - IAD

1 stop15h 45mDelta

Thu 1/166:30 pmIAD - LIS

1 stop11h 50mDelta

Deal found 11/20

$538

Wed 11/273:25 pmLIS - IAD

1 stop29h 20mKLM

Sun 12/15:04 pmIAD - LIS

1 stop9h 56mKLM

Deal found 11/20

$540

Mon 1/1312:00 pmOPO - IAD

1 stop33h 25mSWISS

Mon 5/55:35 pmIAD - OPO

1 stop33h 20mSWISS

Deal found 11/19

$543

Wed 11/2711:15 amLIS - DCA

1 stop10h 52mBritish Airways

Sun 12/111:40 amDCA - LIS

1 stop16h 15mBritish Airways

Deal found 11/20

$550

Tue 12/36:10 amLIS - IAD

2 stops20h 09mAir Canada

Thu 1/1610:35 amIAD - LIS

2 stops17h 45mAir Canada

Deal found 11/19

$554

Last-minute flights from Portugal to Washington, D.C.
Discover last-minute flight deals from Portugal to Washington, D.C.. Data last updated November 21, 2024 and is based on user searches.

Fri 11/229:15 pmLIS - IAD

1 stop24h 45mPLAY

Thu 11/286:10 pmIAD - LIS

1 stop21h 05mPLAY

Deal found 11/20

$517

Tue 11/2610:00 amLIS - DCA

1 stop17h 33mKLM

Wed 12/1112:05 pmDCA - LIS

1 stop14h 55mKLM

Deal found 11/20

$580

Tue 11/2611:15 amLIS - BWI

1 stop13h 01mKLM

Tue 12/103:01 pmBWI - LIS

1 stop12h 59mKLM

Deal found 11/20

$580

Wed 11/2711:15 amLIS - IAD

2 stops13h 16mAmerican Airlines

Wed 12/111:41 pmIAD - LIS

2 stops12h 14mAmerican Airlines

Deal found 11/20

$523

Wed 11/275:00 amLIS - DCA

2 stops34h 03mUnited Airlines

Sun 12/14:00 pmDCA - LIS

1 stop11h 10mUnited Airlines

Deal found 11/20

$534

Wed 11/273:25 pmLIS - IAD

1 stop29h 20mKLM

Sun 12/15:04 pmIAD - LIS

1 stop9h 56mKLM

Deal found 11/20

$540

Wed 11/2711:55 amLIS - IAD

Nonstop8h 40mUnited Airlines

Tue 12/1010:10 pmIAD - LIS

Nonstop7h 05mUnited Airlines

Deal found 11/20

$544

Wed 11/2711:15 amLIS - DCA

1 stop10h 52mBritish Airways

Sun 12/111:40 amDCA - LIS

1 stop16h 15mBritish Airways

Deal found 11/20

$550

Wed 11/2711:15 amLIS - BWI

2 stops13h 06mAmerican Airlines

Wed 12/111:41 pmBWI - LIS

2 stops12h 14mAmerican Airlines

Deal found 11/20

$550

Wed 11/2711:15 amLIS - IAD

2 stops17h 51mVirgin Atlantic

Sun 12/15:04 pmIAD - LIS

1 stop9h 56mVirgin Atlantic

Deal found 11/20

$552

Thu 11/285:30 amLIS - IAD

1 stop15h 45mAir France

Mon 12/96:30 pmIAD - LIS

1 stop18h 00mAir France

Deal found 11/20

$537

Thu 11/285:30 amLIS - IAD

1 stop15h 45mMultiple Airlines

Tue 12/1012:16 pmIAD - LIS

1 stop14h 44mMultiple Airlines

Deal found 11/20

$541

One-way flights from Portugal to Washington, D.C.
Search for one-way flight options from Portugal to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated November 21, 2024.

Thu 12/58:30 pmLIS - BWI

2 stops25h 30mMultiple Airlines

Deal found 11/20

$251

Mon 3/36:15 pmOPO - BWI

2 stops27h 45mMultiple Airlines

Deal found 11/20

$342

Mon 3/36:15 pmOPO - IAD

2 stops27h 45mMultiple Airlines

Deal found 11/20

$363

Sat 11/236:10 pmLIS - IAD

2 stops27h 50mMultiple Airlines

Deal found 11/19

$475

Sat 3/18:20 amOPO - IAD

1 stop13h 05mIberia

Deal found 11/20

$477

Sat 3/18:40 pmOPO - IAD

2 stops28h 05mBritish Airways

Deal found 11/20

$483

Sat 2/17:00 amLIS - IAD

1 stop17h 45mFinnair

Deal found 11/20

$485

Sat 2/17:00 amLIS - BWI

1 stop16h 45mFinnair

Deal found 11/19

$485

Thu 12/52:05 pmLIS - DCA

3 stops32h 54mMultiple Airlines

Deal found 11/20

$489

Mon 11/259:15 pmLIS - IAD

1 stop24h 45mPLAY

Deal found 11/20

$491

Sun 1/128:20 amOPO - DCA

2 stops19h 19mMultiple Airlines

Deal found 11/20

$491

Sat 11/2310:50 amLIS - IAD

1 stop13h 25mAer Lingus

Deal found 11/20

$493

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

Fly from

Fly to

Route

Depart

Return

Price

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 12/13

9:15 pm-5:00 pm

1 stop24h 45m

Baltimore/Washington

Sun 12/29

6:10 pm-8:15 pm

1 stop21h 05m

$264

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 12/6

11:05 am-10:17 pm

2 stops16h 12m

Baltimore/Washington

Tue 12/10

1:41 pm-9:15 am

2 stops14h 34m

$437

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 1/13

5:30 pm-7:45 pm

1 stop31h 15m

Washington, D.C. Dulles Intl

Sun 1/26

6:00 pm-8:00 pm

2 stops21h 00m

$511

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 1/17

5:15 pm-9:00 pm

Nonstop8h 45m

Washington, D.C. Dulles Intl

Thu 1/30

5:30 pm-5:35 am

Nonstop7h 05m

$514

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 12/16

6:00 am-8:20 pm

1 stop19h 20m

Washington, D.C. Dulles Intl

Mon 12/30

5:50 pm-11:35 am

1 stop12h 45m

$517

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 1/13

12:25 pm-3:35 pm

2 stops56h 10m

Washington, D.C. Dulles Intl

Sun 1/26

6:00 pm-8:00 pm

2 stops21h 00m

$522

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 12/16

6:00 am-7:29 am

2 stops30h 29m

Washington, D.C. Dulles Intl

Mon 12/30

5:50 pm-11:35 am

1 stop12h 45m

$526

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 12/24

5:00 am-3:50 pm

1 stop15h 50m

Washington, D.C. Dulles Intl

Sat 1/4

10:05 pm-10:00 am

Nonstop6h 55m

$528

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Wed 12/4

12:15 pm-10:23 am

2 stops27h 08m

Washington, D.C. Reagan-National

Mon 12/9

5:25 pm-8:10 am

1 stop9h 45m

$534

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 12/3

5:00 am-3:45 pm

1 stop15h 45m

Washington, D.C. Dulles Intl

Thu 1/16

6:30 pm-11:20 am

1 stop11h 50m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 60 results

...

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, September is the cheapest month in which you can book a flight from Portugal to Washington, D.C. (average of $300). Flying from Portugal to Washington, D.C. in June is currently the most expensive (average of $376). 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?

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.

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

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

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 a feel of what it's like to fly with Austrian Airlines, Air Canada and United 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

8,758 reviews

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

8,758 reviews

Delta

8.0

Very good

8,758 reviews

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

1,350 reviews

Delta

8.0

Very good

8,758 reviews

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

1,300 reviews

Delta

8.0

Very good

8,758 reviews

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

805 reviews

Delta

8.0

Very good

8,758 reviews

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

1,637 reviews

Delta

8.0

Very good

8,758 reviews

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

What are the cheapest airlines to fly from Portugal to Washington, D.C. one-way?
To fly one-way, consider booking your trip with Iberia, which is currently one of the cheapest options available, starting at $477. British Airways flights start at $483 while deals on Finnair start at $485 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 (79%), United Airlines (79%) or Lufthansa (79%) 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 $1,435, our data indicates the cheapest price to be $527. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $420.
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, September is the cheapest month in which you can book a flight from Portugal to Washington, D.C. (average of $300). Flying from Portugal to Washington, D.C. in June is currently the most expensive (average of $376). 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

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

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest$501	Average$761	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$536	Average$779	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$549	Average$721	FlexibilityNo cancel fee	On-time69%

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$251+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portugal to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Portugal to Washington, D.C.

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 November 21, 2024.

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 November 21, 2024.

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

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.

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.?

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 November 21, 2024.

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

Rainfall in Washington, D.C. by month

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

Temperature in Washington, D.C. by month

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

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with Austrian Airlines, Air Canada and United 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.

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?

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

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

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

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

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

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

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

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 Portugal to Washington, D.C.

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

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

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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 November 21, 2024.