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

To fly one-way, consider booking your trip with Royal Air Maroc, which is currently one of the cheapest options available, starting at $362. TAP AIR PORTUGAL flights start at $400 while deals on Aer Lingus start at $447 one-way.

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

Travelers seeking maximum savings on their Portugal to Washington, D.C. flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 - Washington, D.C. Reagan-National and Lisbon Humberto Delgado - Baltimore/Washington.

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 $1,957, our data indicates the cheapest price to be $338. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $490.

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 (83%), United Airlines (83%) or Lufthansa (83%) 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..

What is the cheapest day to fly round-trip from Portugal to Washington, D.C.?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington, D.C.. Check prices with Cheapflights to find a great deal for your trip.

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

To save up to 74% on this flight, we recommend booking at least 49 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 $751 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 $683. You can even find prices in September for less than $683, as users have found deals to Washington, D.C. from as low as $498. 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 29%.

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.

$543+ Flights from Portugal to Washington, D.C.

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

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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 Portugal to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$397 (Kiwi.com)
One-way from	$306 (Kiwi.com)
Popular in	July
Cheapest in	September
Average price	$720
Good round-trip deal	$498 or less
Good one-way deal	$538 or less

Provider with most accurate pricing for Lisbon Humberto Delgado-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Washington, D.C. (WAS) flights.

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From Portugal to Washington, D.C. (WAS)

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One-way flight from Portugal to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($134 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Portugal to Washington, D.C. (WAS).

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Price to beat on a 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 marzo 28, 2025.

vie. 5/29:40 pmLIS - BWI

1 stop25h 00mPLAY

jue. 5/296:50 pmBWI - LIS

1 stop20h 30mPLAY

Deal found 3/27

$397

jue. 5/19:10 pmOPO - BWI

1 stop25h 30mPLAY

sáb. 5/176:50 pmBWI - OPO

1 stop20h 15mPLAY

Deal found 3/27

$435

mié. 5/146:35 amLIS - IAD

1 stop13h 25mMultiple Airlines

lun. 5/265:40 pmIAD - LIS

1 stop24h 30mMultiple Airlines

Deal found 3/27

$489

mié. 5/146:35 amLIS - IAD

1 stop13h 25mFinnair

lun. 5/2610:40 pmIAD - LIS

1 stop19h 30mFinnair

Deal found 3/27

$490

jue. 5/15:00 amLIS - IAD

1 stop15h 35mDelta

vie. 5/309:20 pmIAD - LIS

1 stop15h 30mDelta

Deal found 3/27

$509

lun. 5/197:15 amLIS - IAD

1 stop15h 15mBritish Airways

mar. 6/310:40 pmIAD - LIS

1 stop11h 50mBritish Airways

Deal found 3/26

$510

mié. 5/1411:40 amLIS - DCA

2 stops16h 05mDelta

lun. 5/265:00 pmDCA - LIS

2 stops16h 50mDelta

Deal found 3/27

$514

mié. 5/147:20 amLIS - BWI

1 stop17h 15mMultiple Airlines

lun. 5/269:20 pmBWI - LIS

1 stop15h 35mMultiple Airlines

Deal found 3/27

$515

vie. 5/168:15 amOPO - IAD

1 stop11h 45mIberia

jue. 5/294:35 pmIAD - OPO

1 stop18h 20mIberia

Deal found 3/26

$517

vie. 5/95:00 amLIS - BWI

2 stops19h 07mDelta

dom. 5/255:55 pmBWI - LIS

1 stop11h 50mDelta

Deal found 3/27

$518

jue. 5/19:50 amLIS - IAD

1 stop14h 25mAir France

sáb. 5/316:30 pmIAD - LIS

1 stop15h 20mAir France

Deal found 3/27

$519

sáb. 4/126:55 pmOPO - IAD

1 stop25h 40mKLM

sáb. 4/196:30 pmIAD - OPO

1 stop16h 00mKLM

Deal found 3/27

$522

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 marzo 28, 2025.

vie. 5/29:40 pmLIS - BWI

1 stop25h 00mPLAY

jue. 5/296:50 pmBWI - LIS

1 stop20h 30mPLAY

Deal found 3/27

$397

mié. 5/146:35 amLIS - IAD

1 stop13h 25mMultiple Airlines

lun. 5/265:40 pmIAD - LIS

1 stop24h 30mMultiple Airlines

Deal found 3/27

$489

mié. 5/146:35 amLIS - IAD

1 stop13h 25mFinnair

lun. 5/2610:40 pmIAD - LIS

1 stop19h 30mFinnair

Deal found 3/27

$490

jue. 5/15:00 amLIS - IAD

1 stop15h 35mDelta

vie. 5/309:20 pmIAD - LIS

1 stop15h 30mDelta

Deal found 3/27

$509

lun. 5/197:15 amLIS - IAD

1 stop15h 15mBritish Airways

mar. 6/310:40 pmIAD - LIS

1 stop11h 50mBritish Airways

Deal found 3/26

$510

vie. 5/168:15 amOPO - IAD

1 stop11h 45mIberia

jue. 5/294:35 pmIAD - OPO

1 stop18h 20mIberia

Deal found 3/26

$517

jue. 5/19:50 amLIS - IAD

1 stop14h 25mAir France

sáb. 5/316:30 pmIAD - LIS

1 stop15h 20mAir France

Deal found 3/27

$519

sáb. 4/126:55 pmOPO - IAD

1 stop25h 40mKLM

sáb. 4/196:30 pmIAD - OPO

1 stop16h 00mKLM

Deal found 3/27

$522

vie. 5/912:45 pmLIS - IAD

2 stops15h 09mVirgin Atlantic

dom. 5/256:00 amIAD - LIS

2 stops23h 45mVirgin Atlantic

Deal found 3/27

$530

vie. 5/28:25 amLIS - DCA

2 stops16h 39mAmerican Airlines

jue. 5/291:15 pmDCA - LIS

2 stops13h 30mAmerican Airlines

Deal found 3/27

$530

vie. 5/912:20 pmLIS - IAD

Nonstop8h 25mLufthansa

dom. 5/2510:20 pmIAD - LIS

1 stop18h 30mLufthansa

Deal found 3/27

$552

mié. 4/168:40 amOPO - IAD

1 stop12h 35mSWISS

mié. 4/308:45 pmIAD - OPO

1 stop16h 45mSWISS

Deal found 3/27

$560

Last-minute flights from Portugal to Washington, D.C.
Discover last-minute flight deals from Portugal to Washington, D.C.. Data last updated marzo 28, 2025 and is based on user searches.

jue. 4/37:20 amLIS - IAD

1 stop17h 50mBritish Airways

jue. 4/1710:40 pmIAD - LIS

1 stop19h 20mBritish Airways

Deal found 3/27

$511

jue. 4/311:25 amLIS - IAD

1 stop32h 48mUnited Airlines

jue. 4/1710:15 pmIAD - LIS

Nonstop7h 15mUnited Airlines

Deal found 3/27

$561

jue. 4/312:20 pmLIS - IAD

Nonstop8h 25mLufthansa

jue. 4/1710:15 pmIAD - LIS

Nonstop7h 15mLufthansa

Deal found 3/27

$587

jue. 4/33:00 pmLIS - BWI

1 stop33h 35mBritish Airways

jue. 4/179:20 pmBWI - LIS

1 stop31h 45mBritish Airways

Deal found 3/27

$592

jue. 4/312:45 pmLIS - DCA

1 stop12h 11mDelta

jue. 4/178:45 amDCA - LIS

1 stop18h 15mDelta

Deal found 3/27

$652

jue. 4/37:20 amLIS - IAD

1 stop17h 50mAmerican Airlines

jue. 4/1710:40 pmIAD - LIS

1 stop19h 20mAmerican Airlines

Deal found 3/27

$663

jue. 4/37:20 amLIS - IAD

1 stop17h 50mFinnair

jue. 4/1710:40 pmIAD - LIS

1 stop19h 20mFinnair

Deal found 3/27

$679

jue. 4/310:00 amLIS - BWI

2 stops19h 36mVirgin Atlantic

jue. 4/1712:47 pmBWI - LIS

2 stops14h 13mVirgin Atlantic

Deal found 3/27

$858

vie. 4/411:25 amLIS - IAD

1 stop32h 48mMultiple Airlines

jue. 4/1710:15 pmIAD - LIS

Nonstop7h 15mMultiple Airlines

Deal found 3/28

$559

vie. 4/412:45 pmLIS - DCA

2 stops15h 25mVirgin Atlantic

jue. 4/176:25 amDCA - LIS

1 stop20h 35mVirgin Atlantic

Deal found 3/28

$578

vie. 4/45:00 amLIS - IAD

1 stop15h 35mDelta

jue. 4/1712:11 pmIAD - LIS

1 stop14h 49mDelta

Deal found 3/28

$589

vie. 4/412:45 pmLIS - IAD

2 stops16h 43mVirgin Atlantic

jue. 4/176:00 amIAD - LIS

2 stops21h 00mVirgin Atlantic

Deal found 3/28

$673

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 marzo 28, 2025.

mié. 5/145:55 amLIS - BWI

2 stops42h 31mMultiple Airlines

Deal found 3/27

$306

dom. 4/277:40 amOPO - BWI

3 stops59h 07mMultiple Airlines

Deal found 3/26

$352

dom. 5/257:00 pmOPO - IAD

1 stop29h 05mRoyal Air Maroc

Deal found 3/27

$362

jue. 5/159:00 amOPO - IAD

1 stop16h 50mTAP AIR PORTUGAL

Deal found 3/27

$400

sáb. 5/106:40 amLIS - IAD

2 stops38h 56mMultiple Airlines

Deal found 3/27

$411

dom. 6/110:20 pmLIS - DCA

2 stops26h 33mMultiple Airlines

Deal found 3/27

$436

dom. 4/276:30 amOPO - IAD

2 stops39h 05mMultiple Airlines

Deal found 3/26

$443

jue. 4/1011:25 amLIS - IAD

1 stop12h 30mAer Lingus

Deal found 3/27

$447

lun. 6/212:00 pmLIS - IAD

Nonstop8h 20mTAP AIR PORTUGAL

Deal found 3/27

$455

jue. 5/2911:35 amOPO - DCA

2 stops27h 40mMultiple Airlines

Deal found 3/27

$471

jue. 5/2910:05 pmLIS - IAD

1 stop26h 00mRoyal Air Maroc

Deal found 3/28

$480

dom. 6/18:15 amLIS - IAD

2 stops31h 01mAir Transat

Deal found 3/27

$486

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portugal to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

vie. 5/2

9:40 pm-5:40 pm

1 stop25h 00m

Baltimore/Washington

jue. 5/29

6:50 pm-8:20 pm

1 stop20h 30m

$397

PortoBaltimore

OPO - BWI

OPOBWI

Porto

jue. 5/1

9:10 pm-5:40 pm

1 stop25h 30m

Baltimore/Washington

sáb. 5/17

6:50 pm-8:05 pm

1 stop20h 15m

$435

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

mié. 5/14

6:35 am-3:00 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

lun. 5/26

5:40 pm-11:10 pm

1 stop24h 30m

$489

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

mié. 5/14

6:35 am-3:00 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

lun. 5/26

10:40 pm-11:10 pm

1 stop19h 30m

$490

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

jue. 5/1

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

vie. 5/30

9:20 pm-5:50 pm

1 stop15h 30m

$509

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

lun. 5/19

7:15 am-5:30 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

mar. 6/3

10:40 pm-3:30 pm

1 stop11h 50m

$510

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

mié. 5/14

11:40 am-10:45 pm

2 stops16h 05m

Washington, D.C. Reagan-National

lun. 5/26

5:00 pm-2:50 pm

2 stops16h 50m

$514

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

mié. 5/14

7:20 am-7:35 pm

1 stop17h 15m

Baltimore/Washington

lun. 5/26

9:20 pm-5:55 pm

1 stop15h 35m

$515

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

vie. 5/16

8:15 am-3:00 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

jue. 5/29

4:35 pm-3:55 pm

1 stop18h 20m

$517

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

vie. 5/9

5:00 am-7:07 pm

2 stops19h 07m

Baltimore/Washington

dom. 5/25

5:55 pm-10:45 am

1 stop11h 50m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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.

Cheapflights Insights

Everything you need to know about your flight from Portugal to Washington, D.C.

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

Currently, August is the cheapest month in which you can book a flight from Portugal to Washington, D.C. (average of $309). Flying from Portugal to Washington, D.C. in June is currently the most expensive (average of $385). 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 fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 28% versus a flight at noon.

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 Delta, Emirates and KLM 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

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

Delta

8.0

Very good

7,897 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

Emirates

8.0

Very good

3,190 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

Air Transat

7.8

Good

381 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

LOT

7.6

Good

1,063 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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 Royal Air Maroc, which is currently one of the cheapest options available, starting at $362. TAP AIR PORTUGAL flights start at $400 while deals on Aer Lingus start at $447 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 - Washington, D.C. Reagan-National and Lisbon Humberto Delgado - Baltimore/Washington.
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 (83%), United Airlines (83%) or Lufthansa (83%) 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 $1,957, our data indicates the cheapest price to be $338. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $490.
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, August is the cheapest month in which you can book a flight from Portugal to Washington, D.C. (average of $309). Flying from Portugal to Washington, D.C. in June is currently the most expensive (average of $385). 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

Arlington

Alexandria

Fairfax

Tysons

Springfield

Rockville

Woodbridge

Gaithersburg

Fredericksburg

Linthicum Heights

Silver Spring

Falls Church

Laurel

Easton

Herndon

Bowie

Gettysburg

National Harbor

Oxon Hill

Reston

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$480	Average$772	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$536	Average$779	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$543	Average$683	FlexibilityNo cancel fee	On-time69%

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$306+ 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 5/14. 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

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

Keep the following information in mind while searching for Portugal to Washington, D.C. flight deals. Data was last updated marzo 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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 marzo 28, 2025.

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 marzo 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portugal to Washington, D.C. that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Portugal to Washington, D.C.

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 marzo 28, 2025.

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 Delta, Emirates and KLM 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.?

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Alternative routes for Portugal to Washington, D.C.

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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 marzo 28, 2025.