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

There are many flights that can get you from Washington, D.C. to Lisbon in 9h 50m. Fly via Turkish Airlines, Royal Air Maroc, or United Airlines to get the fastest option. Washington, D.C. and Lisbon are separated by a distance of 3580 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

According to our current data, PLAY ($338), British Airways ($480), and TAP AIR PORTUGAL ($506) offers the cheapest pricing from Washington, D.C. to Lisbon. PLAY is priced at 62% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Lisbon 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 Lisbon when rainfall is around 0.2 in.

If weather is an important factor for your trip to Lisbon, 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).

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

The most popular route from Washington, D.C. to Lisbon is Washington, D.C. Dulles Intl - Lisbon Humberto Delgado. You may also consider Baltimore/Washington - Lisbon Humberto Delgado or Washington, D.C. Reagan-National - Lisbon Humberto Delgado.

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

The cheapest flight price from Washington, D.C. to Lisbon is $214. On average you can expect to pay $1,371. The most popular route, (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), can usually be booked for $451.

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

Consider JetBlue (57%), Air Canada (55%) or United Airlines (55%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Lisbon.

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

Before booking your flight from Washington, D.C. to Lisbon check out the most popular airlines for this route: American Airlines, Royal Air Maroc or JetBlue.

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

It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Travelers have found it’s best to book a flight 49 days in advance to save up to 78% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 49 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. to Lisbon 1-2 weeks in advance for as low as $1,053, or $1,243 for flights within the next 24 hours.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Lisbon. Flights to Lisbon from Washington, D.C. in February are about $908 on average during February, but can be found for as low as $352.

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

For a flight from Washington, D.C. to Lisbon, you will be flying into Humberto Delgado. Lisbon Humberto Delgado (LIS) is just 4.2 mi from the center of the city. Humberto Delgado is the only Lisbon airport and it handles 4 inbound flights from Washington, D.C. per day. 12 airlines have flights to Lisbon Humberto Delgado from Washington, D.C. on a regular basis.

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

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

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Lisbon.

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

Yes. Cheapflights offers flight deals from Washington, D.C. to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$244+ Flights from Washington, D.C. to Lisbon

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

Airfare is below average for this route at the moment. Washington, D.C. to Lisbon flights typically cost between $754 and $1,055 in October. The cheapest round-trip price found within the last 3 days was $367 on PLAY (Oct 5-Oct 17).

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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 Washington, D.C. to Lisbon Humberto Delgado are usually found in February or January, booked 82 days in advance, depart on a Monday or Tuesday and return on a Wednesday

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

Round-trip from	$367 (Booking.com)
One-way from	$244 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$878
Good round-trip deal	$620 or less
Good one-way deal	$293 or less

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

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

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Highest demand for flights based on searches. 2% potential increase in price ($20 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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

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

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

Cheapest flights from Washington, D.C. to Lisbon
Explore the most affordable flight options available from Washington, D.C. to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

dom. 10/56:50 pmBWI - LIS

1 stop20h 30mPLAY

vie. 10/179:20 pmLIS - BWI

1 stop25h 20mPLAY

Deal found 9/10

$367

dom. 10/56:50 pmBWI - LIS

1 stop20h 30mPLAY

vie. 10/109:20 pmLIS - BWI

1 stop25h 20mPLAY

Deal found 9/9

$376

dom. 10/126:50 pmBWI - LIS

1 stop20h 30mPLAY

vie. 10/179:20 pmLIS - BWI

1 stop25h 20mPLAY

Deal found 9/10

$386

jue. 9/256:50 pmBWI - LIS

1 stop20h 30mPLAY

vie. 10/109:20 pmLIS - BWI

1 stop25h 20mPLAY

Deal found 9/10

$414

dom. 10/56:50 pmBWI - LIS

1 stop20h 30mPLAY

lun. 10/139:25 pmLIS - BWI

1 stop25h 15mPLAY

Deal found 9/9

$442

dom. 10/126:50 pmBWI - LIS

1 stop20h 30mPLAY

lun. 10/209:25 pmLIS - BWI

1 stop25h 15mPLAY

Deal found 9/11

$512

dom. 9/216:50 pmBWI - LIS

2 stops22h 10mMultiple Airlines

mié. 9/2410:10 pmLIS - BWI

3 stops24h 30mMultiple Airlines

Deal found 9/9

$521

jue. 10/96:50 pmBWI - LIS

1 stop20h 30mPLAY

lun. 10/139:25 pmLIS - BWI

1 stop25h 15mPLAY

Deal found 9/10

$534

lun. 11/171:51 pmBWI - LIS

2 stops26h 39mScandinavian Airlines

dom. 11/234:55 pmLIS - BWI

2 stops36h 33mScandinavian Airlines

Deal found 9/10

$535

lun. 10/205:20 pmIAD - LIS

2 stops23h 05mMultiple Airlines

vie. 10/2410:10 pmLIS - IAD

2 stops25h 45mMultiple Airlines

Deal found 9/10

$622

mié. 10/292:30 pmIAD - LIS

1 stop28h 55mTurkish Airlines

sáb. 11/811:40 amLIS - IAD

1 stop29h 05mTurkish Airlines

Deal found 9/10

$624

mié. 10/229:05 pmIAD - LIS

1 stop19h 00mRoyal Air Maroc

mié. 10/2911:35 amLIS - IAD

1 stop12h 10mRoyal Air Maroc

Deal found 9/10

$625

Best flights from Washington, D.C. to Lisbon
Discover carefully curated flight deals from Washington, D.C. to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated septiembre 11, 2025.

jue. 10/166:00 amDCA - LIS

2 stops23h 20mMultiple Airlines

lun. 10/2010:45 pmLIS - DCA

3 stops22h 06mMultiple Airlines

Deal found 9/11

$628

jue. 10/169:40 pmIAD - LIS

1 stop36h 35mTurkish Airlines

vie. 10/2411:00 amLIS - IAD

1 stop29h 45mTurkish Airlines

Deal found 9/10

$629

dom. 11/28:45 pmIAD - LIS

1 stop9h 50mRoyal Air Maroc

mié. 11/1211:35 amLIS - IAD

1 stop12h 10mRoyal Air Maroc

Deal found 9/11

$681

sáb. 11/295:30 pmIAD - LIS

Nonstop7h 05mTAP AIR PORTUGAL

vie. 12/55:10 pmLIS - IAD

Nonstop8h 50mTAP AIR PORTUGAL

Deal found 9/10

$780

mié. 11/2610:05 pmIAD - LIS

Nonstop7h 10mUnited Airlines

mié. 12/35:00 amLIS - IAD

1 stop15h 50mUnited Airlines

Deal found 9/10

$784

mar. 12/22:41 pmBWI - LIS

1 stop12h 19mKLM

vie. 12/1210:55 amLIS - BWI

1 stop13h 07mKLM

Deal found 9/9

$805

jue. 10/96:50 pmBWI - LIS

1 stop20h 30mPLAY

lun. 10/139:25 pmLIS - BWI

1 stop25h 15mPLAY

Deal found 9/11

$819

jue. 11/68:35 pmBWI - LIS

1 stop16h 25mBritish Airways

mié. 11/126:35 pmLIS - BWI

1 stop29h 10mBritish Airways

Deal found 9/11

$823

dom. 11/25:05 amDCA - LIS

1 stop21h 50mVirgin Atlantic

mar. 11/1110:00 amLIS - DCA

2 stops18h 04mVirgin Atlantic

Deal found 9/11

$824

lun. 11/34:44 pmBWI - LIS

2 stops23h 46mScandinavian Airlines

vie. 11/146:55 amLIS - BWI

2 stops20h 14mScandinavian Airlines

Deal found 9/11

$917

lun. 11/39:10 pmIAD - LIS

1 stop36h 55mTurkish Airlines

mié. 11/1211:40 amLIS - IAD

1 stop29h 05mTurkish Airlines

Deal found 9/11

$662

mar. 11/41:30 pmIAD - LIS

1 stop16h 10mTurkish Airlines

mié. 11/124:05 pmLIS - IAD

1 stop24h 40mTurkish Airlines

Deal found 9/11

$662

Last-minute flights from Washington, D.C. to Lisbon
Discover last-minute flight deals from Washington, D.C. to Lisbon. Data last updated septiembre 11, 2025 and is based on user searches.

dom. 9/216:50 pmBWI - LIS

2 stops22h 10mMultiple Airlines

mié. 9/2410:10 pmLIS - BWI

3 stops24h 30mMultiple Airlines

Deal found 9/9

$521

jue. 9/256:50 pmBWI - LIS

1 stop20h 30mPLAY

vie. 10/109:20 pmLIS - BWI

1 stop25h 20mPLAY

Deal found 9/10

$414

dom. 10/56:50 pmBWI - LIS

1 stop20h 30mPLAY

vie. 10/179:20 pmLIS - BWI

1 stop25h 20mPLAY

Deal found 9/10

$367

dom. 10/56:50 pmBWI - LIS

1 stop20h 30mPLAY

vie. 10/109:20 pmLIS - BWI

1 stop25h 20mPLAY

Deal found 9/9

$376

dom. 10/56:50 pmBWI - LIS

1 stop20h 30mPLAY

lun. 10/139:25 pmLIS - BWI

1 stop25h 15mPLAY

Deal found 9/9

$442

dom. 10/56:50 pmBWI - LIS

2 stops16h 00mMultiple Airlines

vie. 10/109:20 pmLIS - BWI

1 stop25h 20mMultiple Airlines

Deal found 9/10

$554

jue. 10/96:50 pmBWI - LIS

1 stop20h 30mPLAY

lun. 10/139:25 pmLIS - BWI

1 stop25h 15mPLAY

Deal found 9/10

$534

dom. 10/126:50 pmBWI - LIS

1 stop20h 30mPLAY

vie. 10/179:20 pmLIS - BWI

1 stop25h 20mPLAY

Deal found 9/10

$386

dom. 10/126:50 pmBWI - LIS

1 stop20h 30mPLAY

lun. 10/209:25 pmLIS - BWI

1 stop25h 15mPLAY

Deal found 9/11

$512

lun. 10/205:20 pmIAD - LIS

2 stops23h 05mMultiple Airlines

vie. 10/2410:10 pmLIS - IAD

2 stops25h 45mMultiple Airlines

Deal found 9/10

$622

mié. 10/229:05 pmIAD - LIS

1 stop19h 00mRoyal Air Maroc

mar. 10/285:55 pmLIS - IAD

1 stop29h 50mRoyal Air Maroc

Deal found 9/10

$625

mié. 10/292:30 pmIAD - LIS

1 stop28h 55mTurkish Airlines

sáb. 11/811:40 amLIS - IAD

1 stop29h 05mTurkish Airlines

Deal found 9/10

$624

One-way flights from Washington, D.C. to Lisbon
Search for one-way flight options from Washington, D.C. to Lisbon. Find affordable one-way fares based on user searches. Data last updated septiembre 11, 2025.

sáb. 10/49:39 pmBWI - LIS

2 stops58h 01mMultiple Airlines

Deal found 9/11

$244

sáb. 9/279:39 pmBWI - LIS

2 stops54h 31mMultiple Airlines

Deal found 9/10

$247

dom. 10/59:52 pmBWI - LIS

2 stops44h 13mMultiple Airlines

Deal found 9/10

$249

dom. 11/1611:09 amBWI - LIS

3 stops51h 16mMultiple Airlines

Deal found 9/10

$254

sáb. 11/157:00 amBWI - LIS

3 stops57h 35mMultiple Airlines

Deal found 9/11

$261

mar. 11/117:00 amBWI - LIS

3 stops50h 50mMultiple Airlines

Deal found 9/11

$262

sáb. 10/118:01 pmBWI - LIS

2 stops45h 59mMultiple Airlines

Deal found 9/11

$263

vie. 10/109:41 pmBWI - LIS

2 stops58h 04mMultiple Airlines

Deal found 9/10

$268

lun. 10/2711:14 amBWI - LIS

3 stops51h 56mMultiple Airlines

Deal found 9/11

$269

lun. 11/107:25 pmBWI - LIS

3 stops40h 50mMultiple Airlines

Deal found 9/11

$273

mar. 10/711:19 amBWI - LIS

2 stops29h 56mMultiple Airlines

Deal found 9/11

$275

jue. 10/165:50 pmIAD - LIS

Nonstop7h 20mTAP AIR PORTUGAL

Deal found 9/10

$335

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

jue. 10/16

6:00 am-10:20 am

2 stops23h 20m

Lisbon Humberto Delgado

lun. 10/20

10:45 pm-3:51 pm

3 stops22h 06m

$628

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

jue. 10/16

9:40 pm-3:15 pm

1 stop36h 35m

Lisbon Humberto Delgado

vie. 10/24

11:00 am-11:45 am

1 stop29h 45m

$629

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

lun. 11/3

9:10 pm-3:05 pm

1 stop36h 55m

Lisbon Humberto Delgado

mié. 11/12

11:40 am-11:45 am

1 stop29h 05m

$662

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

mar. 11/4

1:30 pm-10:40 am

1 stop16h 10m

Lisbon Humberto Delgado

mié. 11/12

4:05 pm-11:45 am

1 stop24h 40m

$662

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

mié. 11/5

1:30 pm-11:25 pm

1 stop28h 55m

Lisbon Humberto Delgado

mié. 11/12

4:05 pm-7:15 pm

1 stop32h 10m

$662

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

dom. 11/2

8:45 pm-11:35 am

1 stop9h 50m

Lisbon Humberto Delgado

mié. 11/12

11:35 am-6:45 pm

1 stop12h 10m

$681

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

sáb. 10/18

9:40 pm-3:30 pm

1 stop36h 50m

Lisbon Humberto Delgado

mar. 10/28

5:55 am-8:15 pm

1 stop18h 20m

$702

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

lun. 11/3

9:10 pm-3:05 pm

1 stop36h 55m

Lisbon Humberto Delgado

sáb. 11/8

4:05 pm-7:15 pm

1 stop32h 10m

$712

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

jue. 11/6

1:30 pm-3:05 pm

1 stop20h 35m

Lisbon Humberto Delgado

lun. 11/10

4:05 pm-7:15 pm

1 stop32h 10m

$742

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

sáb. 11/29

5:30 pm-5:35 am

Nonstop7h 05m

Lisbon Humberto Delgado

vie. 12/5

5:10 pm-9:00 pm

Nonstop8h 50m

$780

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 results

...

The best insider tips for Washington, D.C. to Lisbon flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Lisbon trip

Airports

IAD

Expect long security queues at IAD, especially in the afternoon and evening. Plan extra time for check-in and security clearance.

LIS

From LIS, the metro line takes 20 minutes to reach downtown Lisbon, offering a quick and affordable option for city access.

Our travel experts

Ramsey Qubein

Expert on LIS and IAD

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

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

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

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Lisbon (average of $612). Flying from Washington, D.C. to Lisbon in June is currently the most expensive (average of $1,127). 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 WAS to LIS?

Unlike at noon, when flights are generally more expensive, you can save up to 11% on flights from Washington, D.C. to Lisbon by exploring options for tickets in the morning.

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

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

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

Reviews of airlines servicing Lisbon

Read reviews from past customers who have flown Delta, United Airlines, and TAP AIR PORTUGAL from Washington, D.C. to Lisbon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,960 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,937 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

TAP AIR PORTUGAL

7.1

Good

1,977 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

British Airways

6.7

Okay

7,361 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Royal Air Maroc

6.2

Okay

511 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Lisbon from Washington, D.C.?
For a flight from Washington, D.C. to Lisbon, you will be flying into Humberto Delgado. Lisbon Humberto Delgado (LIS) is just 4.2 mi from the center of the city. Humberto Delgado is the only Lisbon airport and it handles 4 inbound flights from Washington, D.C. per day. 12 airlines have flights to Lisbon Humberto Delgado from Washington, D.C. on a regular basis.
How long is the flight from Washington, D.C. to Lisbon?
There are many flights that can get you from Washington, D.C. to Lisbon in 9h 50m. Fly via Turkish Airlines, Royal Air Maroc, or United Airlines to get the fastest option. Washington, D.C. and Lisbon are separated by a distance of 3580 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Washington, D.C. to Lisbon round-trip?
According to our current data, PLAY ($338), British Airways ($480), and TAP AIR PORTUGAL ($506) offers the cheapest pricing from Washington, D.C. to Lisbon. PLAY is priced at 62% lower than the current average price of a flight leaving 3 months from now.
What are the most popular routes from Washington, D.C. to Lisbon?
The most popular route from Washington, D.C. to Lisbon is Washington, D.C. Dulles Intl - Lisbon Humberto Delgado. You may also consider Baltimore/Washington - Lisbon Humberto Delgado or Washington, D.C. Reagan-National - Lisbon Humberto Delgado.
What are the most reliable airlines from Washington, D.C. to Lisbon?
Consider JetBlue (57%), Air Canada (55%) or United Airlines (55%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Lisbon.
What are the cheapest flights from Washington, D.C. to Lisbon?
The cheapest flight price from Washington, D.C. to Lisbon is $214. On average you can expect to pay $1,371. The most popular route, (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), can usually be booked for $451.
Can I find deals for flights from Washington, D.C. to Lisbon that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Lisbon?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Lisbon.
Can I find deals for business class flights from Washington, D.C. to Lisbon?
Yes. Cheapflights offers flight deals from Washington, D.C. to Lisbon 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 Washington, D.C. to Lisbon?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Lisbon (average of $612). Flying from Washington, D.C. to Lisbon in June is currently the most expensive (average of $1,127). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Washington, D.C. to Lisbon

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Other flights to Lisbon

Top 10 airlines flying from Washington, D.C. to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$338	Average$420	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$480	Average$784	FlexibilityNo cancel fee	On-time70%
TAP AIR PORTUGAL	Cheapest$506	Average$932	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$508	Average$783	FlexibilityNo cancel fee	On-time71%
Royal Air Maroc	Cheapest$552	Average$649	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$563	Average$1,382	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$586	Average$667	FlexibilityNo cancel fee	On-time77%
Iberia	Cheapest$592	Average$770	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$665	Average$1,023	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$666	Average$1,109	FlexibilityNo cancel fee	On-timeN/A

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$244+ Cheap flights from Washington, D.C. (WAS) to Lisbon (LIS)

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 10/4. 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 Washington, D.C. to Lisbon Humberto Delgado are usually found in February or January, booked 82 days in advance, depart on a Monday or Tuesday and return on a Wednesday

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Cheapest flights from Washington, D.C. to LisbonExplore the most affordable flight options available from Washington, D.C. to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

Explore the most affordable flight options available from Washington, D.C. to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

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

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Washington, D.C. with our price prediction graph.

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Lisbon. Price data was last updated on August 29, 2025.

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

Find hourly flight availability from Washington, D.C. to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Lisbon. Price data was last updated on December 16, 2024.

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

Reviews of airlines servicing Lisbon

Read reviews from past customers who have flown Delta, United Airlines, and TAP AIR PORTUGAL from Washington, D.C. to Lisbon. Users can see the overall rating for each airline as well as how each is rated 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 Washington, D.C. to Lisbon. 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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Top 10 airlines flying from Washington, D.C. to Lisbon

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Cheapest flights from Washington, D.C. to Lisbon
Explore the most affordable flight options available from Washington, D.C. to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.