How long is the flight from Lisbon to Washington, D.C.?

A quick flight from Lisbon to Washington, D.C. can take about 13h 25m. PLAY provides one of the quickest options available for as low as $539. The distance from Lisbon to Washington, D.C. is about 3580 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Lisbon to Washington, D.C. round-trip?

Flying on United Airlines is currently your cheapest option to Washington, D.C., with prices starting at $534. Additional round-trip tickets that might be worth considering are offered by Lufthansa and TAP AIR PORTUGAL, with the lowest prices starting at $536 and $541, respectively. Users have found that United Airlines is 20% cheaper than the other options available to this destination.

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

$342 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on TAP AIR PORTUGAL and Aer Lingus, with prices starting from $499 and $501, respectively.

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

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

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.

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).

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

The most popular flight routes from Lisbon 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 Lisbon to Washington, D.C.?

Looking for the cheapest flight from Lisbon to Washington, D.C.? While on average our users pay $1,259, our data indicates the cheapest price to be $454. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $538.

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

Consider TAP AIR PORTUGAL (60%), Air Canada (56%) or United Airlines (56%) when booking your flight. These represent the most reliable airlines when flying from Lisbon to Washington, D.C..

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

Lufthansa, TAP AIR PORTUGAL and United Airlines are the most popular airlines when flying from Lisbon to Washington, D.C..

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

Flights from Lisbon to Washington, D.C. are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

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

Users have found that booking a flight from Lisbon to Washington, D.C. at least 49 days early can save you up to 75% on average compared to booking a flight this week. If booking 49 days before your flight isn’t an option for you, users have found flights from Lisbon to Washington, D.C. for as little as $572 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $751 for flights departing within the next 3 days.

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

Flights from Lisbon to Washington, D.C. lean towards being more expensive in July. Prices are generally better when you fly from Lisbon to Washington, D.C. in September, with the cheapest ticket starting at $487.

What airport do you fly from for flights from Lisbon to Washington, D.C.?

Lisbon Humberto Delgado (LIS), located 4.2 mi from the city center, is the airport you fly out of when you book flights from Lisbon to Washington, D.C.. 4 airlines have flights from Humberto Delgado to Washington, D.C. on a regular basis. Booking flights from Lisbon Humberto Delgado to Washington, D.C. should not be difficult; the airport handles an average of 7 outbound flights to Washington, D.C. per day.

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

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

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

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

Yes. Cheapflights offers flight deals from Lisbon 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.

$319+ Cheap Flights from Lisbon to Washington, D.C.

Q: How much does it cost to fly round-trip from Lisbon to Washington, D.C.?

Airfare is below average for this route at the moment. Lisbon to Washington, D.C. flights typically cost between $708 and $893 in September. The cheapest round-trip price found within the last 3 days was $371 on PLAY (Sep 26-Oct 12).

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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”

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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Washington, D.C. are usually found in September or March, booked 48 days in advance, depart on a Sunday or Wednesday and return on a Monday

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

Round-trip from	$371 (Mytrip)
One-way from	$319 (Kiwi.com)
Popular in	July
Cheapest in	September
Average price	$770
Good round-trip deal	$727 or less
Good one-way deal	$689 or less

From Lisbon Humberto Delgado to Washington, D.C. (WAS)

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One-way flight from Lisbon Humberto Delgado to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 15% potential increase in price ($126 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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

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Price to beat on a one-way flight from Lisbon Humberto Delgado to Washington, D.C. (WAS).

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Find flight deals from Lisbon to Washington, D.C.

Cheapest flights from Lisbon to Washington, D.C.
Explore the most affordable flight options available from Lisbon to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Fri 9/269:20 pmLIS - BWI

1 stop25h 20mPLAY

Sun 10/126:50 pmBWI - LIS

1 stop20h 30mPLAY

Deal found 8/16

$371

Thu 12/185:00 amLIS - IAD

1 stop15h 50mUnited Airlines

Thu 1/89:45 amIAD - LIS

1 stop18h 35mUnited Airlines

Deal found 8/18

$538

Thu 10/95:05 amLIS - IAD

1 stop13h 25mUnited Airlines

Thu 10/239:35 amIAD - LIS

1 stop18h 45mUnited Airlines

Deal found 8/18

$539

Fri 9/57:30 amLIS - IAD

1 stop13h 20mMultiple Airlines

Sun 9/148:45 pmIAD - LIS

1 stop21h 35mMultiple Airlines

Deal found 8/17

$540

Thu 9/115:05 amLIS - IAD

1 stop13h 25mMultiple Airlines

Sat 9/278:45 pmIAD - LIS

1 stop21h 35mMultiple Airlines

Deal found 8/17

$542

Thu 9/115:05 amLIS - IAD

1 stop15h 45mUnited Airlines

Sat 9/2710:35 pmIAD - LIS

1 stop28h 45mUnited Airlines

Deal found 8/16

$544

Tue 9/305:05 amLIS - IAD

1 stop13h 25mUnited Airlines

Tue 10/71:20 pmIAD - LIS

2 stops16h 45mUnited Airlines

Deal found 8/16

$545

Fri 9/265:55 amLIS - IAD

1 stop15h 20mMultiple Airlines

Sun 10/1210:15 pmIAD - LIS

Nonstop7h 15mMultiple Airlines

Deal found 8/16

$548

Thu 9/115:55 amLIS - IAD

1 stop14h 30mSWISS

Sat 9/278:45 pmIAD - LIS

1 stop21h 35mSWISS

Deal found 8/16

$550

Thu 9/115:05 amLIS - IAD

1 stop13h 25mLufthansa

Sat 9/2710:20 pmIAD - LIS

Nonstop7h 15mLufthansa

Deal found 8/16

$561

Thu 12/1810:55 amLIS - DCA

1 stop28h 31mAir Canada

Thu 1/812:55 pmDCA - LIS

2 stops15h 25mAir Canada

Deal found 8/17

$564

Sat 9/139:50 amLIS - DCA

1 stop17h 01mUnited Airlines

Sun 9/287:00 amDCA - LIS

2 stops21h 20mUnited Airlines

Deal found 8/18

$566

Best flights from Lisbon to Washington, D.C.
Discover carefully curated flight deals from Lisbon to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Fri 9/269:20 pmLIS - BWI

1 stop25h 20mPLAY

Sun 10/126:50 pmBWI - LIS

1 stop20h 30mPLAY

Deal found 8/16

$371

Thu 12/185:00 amLIS - IAD

1 stop15h 50mUnited Airlines

Thu 1/89:45 amIAD - LIS

1 stop18h 35mUnited Airlines

Deal found 8/16

$538

Thu 10/95:05 amLIS - IAD

1 stop13h 25mLufthansa

Thu 10/2310:15 pmIAD - LIS

Nonstop7h 15mLufthansa

Deal found 8/17

$539

Thu 9/115:05 amLIS - IAD

1 stop13h 25mMultiple Airlines

Sat 9/278:45 pmIAD - LIS

1 stop21h 35mMultiple Airlines

Deal found 8/16

$540

Thu 12/1810:55 amLIS - DCA

2 stops30h 24mAir Canada

Thu 1/812:55 pmDCA - LIS

2 stops15h 25mAir Canada

Deal found 8/17

$564

Wed 10/111:00 amLIS - BWI

1 stop13h 45mBritish Airways

Fri 10/179:35 pmBWI - LIS

1 stop15h 30mBritish Airways

Deal found 8/18

$567

Tue 9/305:00 amLIS - BWI

2 stops17h 05mDelta

Tue 10/76:14 pmBWI - LIS

2 stops15h 36mDelta

Deal found 8/16

$588

Thu 10/95:05 amLIS - IAD

1 stop15h 45mUnited Airlines

Thu 10/2310:15 pmIAD - LIS

Nonstop7h 15mUnited Airlines

Deal found 8/17

$539

Fri 9/57:30 amLIS - IAD

1 stop13h 20mMultiple Airlines

Sun 9/148:45 pmIAD - LIS

1 stop21h 35mMultiple Airlines

Deal found 8/17

$540

Thu 9/117:20 amLIS - BWI

1 stop17h 25mBritish Airways

Sat 9/279:35 pmBWI - LIS

1 stop31h 30mBritish Airways

Deal found 8/18

$579

Fri 9/265:00 amLIS - BWI

2 stops22h 57mDelta

Sun 10/126:14 pmBWI - LIS

2 stops18h 36mDelta

Deal found 8/16

$588

Sat 9/139:50 amLIS - DCA

1 stop17h 01mUnited Airlines

Sun 9/287:00 amDCA - LIS

2 stops21h 20mUnited Airlines

Deal found 8/18

$566

Last-minute flights from Lisbon to Washington, D.C.
Discover last-minute flight deals from Lisbon to Washington, D.C.. Data last updated August 18, 2025 and is based on user searches.

Fri 9/57:30 amLIS - IAD

1 stop13h 20mMultiple Airlines

Sun 9/148:45 pmIAD - LIS

1 stop21h 35mMultiple Airlines

Deal found 8/17

$540

Thu 9/115:05 amLIS - IAD

1 stop13h 25mMultiple Airlines

Sat 9/278:45 pmIAD - LIS

1 stop21h 35mMultiple Airlines

Deal found 8/17

$542

Thu 9/115:05 amLIS - IAD

1 stop15h 45mUnited Airlines

Sat 9/2710:35 pmIAD - LIS

1 stop28h 45mUnited Airlines

Deal found 8/16

$544

Thu 9/115:55 amLIS - IAD

1 stop15h 20mSWISS

Sat 9/278:45 pmIAD - LIS

1 stop21h 35mSWISS

Deal found 8/16

$550

Thu 9/115:05 amLIS - IAD

1 stop13h 25mLufthansa

Sat 9/2710:20 pmIAD - LIS

Nonstop7h 15mLufthansa

Deal found 8/16

$561

Thu 9/1110:25 amLIS - DCA

1 stop10h 57mUnited Airlines

Sat 9/277:42 pmDCA - LIS

1 stop31h 38mUnited Airlines

Deal found 8/16

$570

Thu 9/117:20 amLIS - BWI

1 stop17h 25mBritish Airways

Sat 9/279:35 pmBWI - LIS

1 stop31h 30mBritish Airways

Deal found 8/18

$579

Sat 9/139:50 amLIS - DCA

1 stop17h 01mUnited Airlines

Sun 9/287:00 amDCA - LIS

2 stops21h 20mUnited Airlines

Deal found 8/18

$566

Sat 9/139:50 amLIS - DCA

2 stops14h 54mAir Canada

Sun 9/2812:55 pmDCA - LIS

2 stops17h 10mAir Canada

Deal found 8/18

$579

Fri 9/269:20 pmLIS - BWI

1 stop25h 20mPLAY

Sun 10/126:50 pmBWI - LIS

1 stop20h 30mPLAY

Deal found 8/16

$371

Fri 9/265:55 amLIS - IAD

1 stop15h 20mMultiple Airlines

Sun 10/1210:15 pmIAD - LIS

Nonstop7h 15mMultiple Airlines

Deal found 8/16

$548

Tue 9/305:05 amLIS - IAD

1 stop13h 25mUnited Airlines

Tue 10/71:20 pmIAD - LIS

2 stops16h 45mUnited Airlines

Deal found 8/16

$545

One-way flights from Lisbon to Washington, D.C.
Search for one-way flight options from Lisbon to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Mon 10/2010:10 pmLIS - BWI

3 stops48h 30mMultiple Airlines

Deal found 8/17

$319

Mon 9/1510:45 pmLIS - BWI

2 stops47h 55mMultiple Airlines

Deal found 8/17

$329

Tue 9/2310:00 pmLIS - BWI

3 stops49h 49mMultiple Airlines

Deal found 8/17

$341

Fri 9/59:20 pmLIS - BWI

1 stop25h 20mPLAY

Deal found 8/17

$342

Fri 10/39:20 pmLIS - BWI

1 stop25h 20mWorldTicket

Deal found 8/18

$344

Fri 12/125:55 amLIS - BWI

3 stops35h 29mMultiple Airlines

Deal found 8/18

$360

Thu 9/187:25 pmLIS - BWI

3 stops52h 25mMultiple Airlines

Deal found 8/17

$361

Sat 10/119:35 pmLIS - BWI

2 stops25h 05mMultiple Airlines

Deal found 8/18

$365

Tue 9/167:40 amLIS - BWI

2 stops39h 00mMultiple Airlines

Deal found 8/17

$367

Mon 10/139:20 pmLIS - BWI

3 stops49h 20mMultiple Airlines

Deal found 8/18

$368

Mon 9/295:30 pmLIS - IAD

Nonstop8h 20mTAP AIR PORTUGAL

Deal found 8/18

$499

Sun 11/236:55 pmLIS - IAD

1 stop25h 40mAer Lingus

Deal found 8/18

$501

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 9/26

9:20 pm-5:40 pm

1 stop25h 20m

Baltimore/Washington

Sun 10/12

6:50 pm-8:20 pm

1 stop20h 30m

$371

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 12/18

5:00 am-3:50 pm

1 stop15h 50m

Washington, D.C. Dulles Intl

Thu 1/8

9:45 am-9:20 am

1 stop18h 35m

$538

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 10/9

5:05 am-1:30 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Thu 10/23

10:15 pm-10:30 am

Nonstop7h 15m

$539

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 10/9

5:05 am-3:50 pm

1 stop15h 45m

Washington, D.C. Dulles Intl

Thu 10/23

10:15 pm-10:30 am

Nonstop7h 15m

$539

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 9/11

5:05 am-1:30 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Sat 9/27

8:45 pm-11:20 pm

1 stop21h 35m

$540

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 9/5

7:30 am-3:50 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Sun 9/14

8:45 pm-11:20 pm

1 stop21h 35m

$540

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 12/18

10:55 am-12:19 pm

2 stops30h 24m

Washington, D.C. Reagan-National

Thu 1/8

12:55 pm-9:20 am

2 stops15h 25m

$564

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Sat 9/13

9:50 am-9:51 pm

1 stop17h 01m

Washington, D.C. Reagan-National

Sun 9/28

7:00 am-9:20 am

2 stops21h 20m

$566

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 10/1

11:00 am-7:45 pm

1 stop13h 45m

Baltimore/Washington

Fri 10/17

9:35 pm-6:05 pm

1 stop15h 30m

$567

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 9/11

11:25 am-9:51 pm

1 stop15h 26m

Washington, D.C. Reagan-National

Sat 9/27

7:42 pm-8:20 am

1 stop31h 38m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 44 results

...

Best time to book a flight from Lisbon to Washington, D.C.

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

How far ahead should I book a flight from Lisbon to Washington, D.C.?

The best time to book flights from Lisbon to Washington, D.C. is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, July is the cheapest month in which you can book a flight from Lisbon to Washington, D.C. (average of $302). Flying from Lisbon to Washington, D.C. 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 LIS to WAS?

A simple way to save on the total cost of your ticket is to fly from Lisbon to Washington, D.C. at noon. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the morning.

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

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

How much does it cost to fly round-trip from Lisbon to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with Delta, United Airlines, and TAP AIR PORTUGAL from Lisbon 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

7,981 reviews

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

7,981 reviews

Delta

8.0

Very good

7,981 reviews

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

8,925 reviews

Delta

8.0

Very good

7,981 reviews

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

1,954 reviews

Delta

8.0

Very good

7,981 reviews

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

7,330 reviews

Delta

8.0

Very good

7,981 reviews

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

7,277 reviews

Delta

8.0

Very good

7,981 reviews

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

What airport do you fly from for flights from Lisbon to Washington, D.C.?
Lisbon Humberto Delgado (LIS), located 4.2 mi from the city center, is the airport you fly out of when you book flights from Lisbon to Washington, D.C.. 4 airlines have flights from Humberto Delgado to Washington, D.C. on a regular basis. Booking flights from Lisbon Humberto Delgado to Washington, D.C. should not be difficult; the airport handles an average of 7 outbound flights to Washington, D.C. per day.
How long is the flight from Lisbon to Washington, D.C.?
A quick flight from Lisbon to Washington, D.C. can take about 13h 25m. PLAY provides one of the quickest options available for as low as $539. The distance from Lisbon to Washington, D.C. is about 3580 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Lisbon to Washington, D.C. round-trip?
Flying on United Airlines is currently your cheapest option to Washington, D.C., with prices starting at $534. Additional round-trip tickets that might be worth considering are offered by Lufthansa and TAP AIR PORTUGAL, with the lowest prices starting at $536 and $541, respectively. Users have found that United Airlines is 20% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Lisbon to Washington, D.C. one-way?
$342 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on TAP AIR PORTUGAL and Aer Lingus, with prices starting from $499 and $501, respectively.
What are the most popular routes from Lisbon to Washington, D.C.?
The most popular flight routes from Lisbon 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 Lisbon to Washington, D.C.?
Consider TAP AIR PORTUGAL (60%), Air Canada (56%) or United Airlines (56%) when booking your flight. These represent the most reliable airlines when flying from Lisbon to Washington, D.C..
What are the cheapest flights from Lisbon to Washington, D.C.?
Looking for the cheapest flight from Lisbon to Washington, D.C.? While on average our users pay $1,259, our data indicates the cheapest price to be $454. The most popular route (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), is priced around $538.
Can I find deals for flights from Lisbon to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Lisbon to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lisbon 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 Lisbon to Washington, D.C..
Can I find deals for business class flights from Lisbon to Washington, D.C.?
Yes. Cheapflights offers flight deals from Lisbon 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 Lisbon to Washington, D.C.?
Currently, July is the cheapest month in which you can book a flight from Lisbon to Washington, D.C. (average of $302). Flying from Lisbon to Washington, D.C. 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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Arlington

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Tysons

Silver Spring

Springfield

Fredericksburg

Gaithersburg

Towson

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Fairfax

Manassas

Falls Church

Laurel

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Oxon Hill

National Harbor

Dundalk

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Bowie

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Lisbon to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$493	Average$644	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$534	Average$635	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$536	Average$657	FlexibilityNo cancel fee	On-time76%
TAP AIR PORTUGAL	Cheapest$541	Average$724	FlexibilityNo cancel fee	On-timeN/A

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$319+ Cheap flights from Lisbon (LIS) 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Washington, D.C. are usually found in September or March, booked 48 days in advance, depart on a Sunday or Wednesday and return on a Monday

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Find flight deals from Lisbon to Washington, D.C.

Cheapest flights from Lisbon to Washington, D.C.Explore the most affordable flight options available from Lisbon to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Explore the most affordable flight options available from Lisbon to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

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Best time to book a flight from Lisbon to Washington, D.C.

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

How far ahead should I book a flight from Lisbon to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Lisbon to Washington, D.C.. Price data was last updated on August 8, 2025.

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

What is the cheapest time of day to fly from LIS to WAS?

Find hourly flight availability from Lisbon 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 August 18, 2025.

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

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Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with Delta, United Airlines, and TAP AIR PORTUGAL from Lisbon 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 Lisbon 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.

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Alternative routes for Lisbon to Washington, D.C.

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Top 4 airlines flying from Lisbon to Washington, D.C.

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Cheapest flights from Lisbon to Washington, D.C.
Explore the most affordable flight options available from Lisbon to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.