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

According to our current data, PLAY ($426), Turkish Airlines ($635), and Scandinavian Airlines ($636) offers the cheapest pricing from Washington, D.C. to Lisbon. PLAY is priced at 52% lower than the current average price of a flight leaving 3 months from now.

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

One-way options have recently been found by users for as low as $323 on Iberia. Other airlines that offer cheap prices include WorldTicket from $331 and TAP AIR PORTUGAL from $332 one-way.

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 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, British Airways or Delta.

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 45 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 45 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 $968, or $1,282 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 $904 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 5 inbound flights from Washington, D.C. per day. 14 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.

$256+ Flights from Washington, D.C. to Lisbon

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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 44 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	$426 (Mytrip)
One-way from	$256 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$1,053
Good round-trip deal	$516 or less
Good one-way deal	$305 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 July 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 July 29, 2025.

Thu 9/256:50 pmBWI - LIS

1 stop20h 30mPLAY

Fri 10/39:20 pmLIS - BWI

1 stop25h 20mPLAY

Deal found 7/27

$426

Sat 9/136:50 pmBWI - LIS

2 stops22h 05mMultiple Airlines

Sun 9/215:55 amLIS - BWI

2 stops16h 45mMultiple Airlines

Deal found 7/28

$519

Mon 10/139:40 pmIAD - LIS

1 stop36h 50mTurkish Airlines

Thu 10/234:45 pmLIS - IAD

1 stop24h 00mTurkish Airlines

Deal found 7/28

$635

Thu 10/309:30 pmIAD - LIS

2 stops20h 20mScandinavian Airlines

Sat 11/227:05 amLIS - IAD

1 stop16h 45mScandinavian Airlines

Deal found 7/28

$636

Thu 10/1612:55 pmDCA - LIS

3 stops16h 25mMultiple Airlines

Mon 10/207:05 amLIS - DCA

3 stops20h 29mMultiple Airlines

Deal found 7/28

$637

Mon 10/1310:20 pmIAD - LIS

Nonstop7h 20mTAP AIR PORTUGAL

Fri 10/2412:00 pmLIS - IAD

Nonstop8h 20mTAP AIR PORTUGAL

Deal found 7/28

$637

Sat 10/48:30 pmIAD - LIS

2 stops21h 35mMultiple Airlines

Sun 10/126:25 amLIS - IAD

2 stops20h 45mMultiple Airlines

Deal found 7/29

$638

Mon 11/36:00 amBWI - LIS

2 stops34h 30mScandinavian Airlines

Fri 11/146:55 amLIS - BWI

2 stops22h 17mScandinavian Airlines

Deal found 7/27

$640

Fri 10/179:05 pmIAD - LIS

1 stop15h 35mRoyal Air Maroc

Tue 10/285:55 pmLIS - IAD

1 stop29h 50mRoyal Air Maroc

Deal found 7/28

$640

Mon 10/136:05 amDCA - LIS

2 stops35h 00mScandinavian Airlines

Thu 10/237:00 amLIS - DCA

2 stops21h 04mScandinavian Airlines

Deal found 7/28

$642

Sat 11/18:30 pmBWI - LIS

1 stop19h 50mIcelandair

Thu 11/139:20 pmLIS - BWI

1 stop26h 10mIcelandair

Deal found 7/29

$668

Tue 8/269:00 pmIAD - LIS

1 stop19h 35mAer Lingus

Tue 9/210:15 pmLIS - IAD

1 stop26h 15mAer Lingus

Deal found 7/27

$679

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 July 29, 2025.

Thu 9/256:50 pmBWI - LIS

1 stop20h 30mPLAY

Fri 10/39:20 pmLIS - BWI

1 stop25h 20mPLAY

Deal found 7/27

$426

Sat 9/136:50 pmBWI - LIS

2 stops22h 05mMultiple Airlines

Sun 9/215:55 amLIS - BWI

2 stops16h 45mMultiple Airlines

Deal found 7/28

$519

Mon 10/139:40 pmIAD - LIS

1 stop36h 50mTurkish Airlines

Thu 10/234:45 pmLIS - IAD

1 stop24h 00mTurkish Airlines

Deal found 7/28

$635

Mon 10/1310:05 pmIAD - LIS

2 stops19h 00mScandinavian Airlines

Wed 10/228:00 amLIS - IAD

2 stops40h 59mScandinavian Airlines

Deal found 7/28

$636

Mon 10/1310:20 pmIAD - LIS

Nonstop7h 20mTAP AIR PORTUGAL

Fri 10/2412:00 pmLIS - IAD

Nonstop8h 20mTAP AIR PORTUGAL

Deal found 7/28

$637

Sun 10/129:05 pmIAD - LIS

1 stop15h 35mRoyal Air Maroc

Sat 10/186:40 pmLIS - IAD

1 stop29h 25mRoyal Air Maroc

Deal found 7/28

$640

Sat 11/18:30 pmBWI - LIS

1 stop19h 50mIcelandair

Thu 11/139:20 pmLIS - BWI

1 stop26h 10mIcelandair

Deal found 7/29

$668

Tue 8/269:00 pmIAD - LIS

1 stop19h 35mAer Lingus

Tue 9/210:15 pmLIS - IAD

1 stop26h 15mAer Lingus

Deal found 7/27

$679

Tue 11/412:00 pmDCA - LIS

2 stops16h 20mUnited Airlines

Tue 11/1111:20 amLIS - DCA

2 stops30h 14mUnited Airlines

Deal found 7/27

$682

Tue 11/412:55 pmDCA - LIS

2 stops15h 25mAir Canada

Thu 11/1310:55 amLIS - DCA

1 stop28h 31mAir Canada

Deal found 7/27

$691

Tue 9/303:35 pmDCA - LIS

2 stops20h 30mIberia

Mon 10/610:10 pmLIS - DCA

2 stops29h 47mIberia

Deal found 7/28

$693

Thu 10/1612:55 pmDCA - LIS

3 stops16h 25mMultiple Airlines

Mon 10/207:05 amLIS - DCA

3 stops20h 29mMultiple Airlines

Deal found 7/28

$637

Last-minute flights from Washington, D.C. to Lisbon
Discover last-minute flight deals from Washington, D.C. to Lisbon. Data last updated July 29, 2025 and is based on user searches.

Sun 8/310:20 pmIAD - LIS

Nonstop7h 20mTAP AIR PORTUGAL

Wed 8/2712:00 pmLIS - IAD

Nonstop8h 20mTAP AIR PORTUGAL

Deal found 7/28

$748

Sun 8/36:50 pmBWI - LIS

1 stop20h 30mPLAY

Fri 8/89:20 pmLIS - BWI

1 stop25h 20mPLAY

Deal found 7/27

$964

Sun 8/38:30 pmBWI - LIS

2 stops16h 20mIcelandair

Wed 8/278:00 amLIS - BWI

2 stops40h 25mIcelandair

Deal found 7/27

$1,365

Wed 8/610:05 pmIAD - LIS

1 stop31h 30mScandinavian Airlines

Wed 8/208:00 amLIS - IAD

2 stops40h 59mScandinavian Airlines

Deal found 7/27

$1,055

Wed 8/66:05 amDCA - LIS

2 stops33h 35mScandinavian Airlines

Wed 8/206:25 pmLIS - DCA

2 stops34h 16mScandinavian Airlines

Deal found 7/27

$1,109

Thu 8/78:25 pmIAD - LIS

1 stop20h 10mAer Lingus

Tue 8/1210:15 pmLIS - IAD

1 stop26h 15mAer Lingus

Deal found 7/27

$923

Fri 8/86:50 pmBWI - LIS

2 stops21h 05mMultiple Airlines

Fri 8/227:25 pmLIS - BWI

3 stops33h 34mMultiple Airlines

Deal found 7/27

$935

Fri 8/89:05 pmIAD - LIS

1 stop15h 35mMultiple Airlines

Fri 8/2212:00 pmLIS - IAD

Nonstop8h 20mMultiple Airlines

Deal found 7/27

$980

Fri 8/81:30 pmIAD - LIS

1 stop20h 45mTurkish Airlines

Mon 9/85:55 amLIS - IAD

1 stop18h 50mTurkish Airlines

Deal found 7/29

$1,020

Fri 8/86:00 amDCA - LIS

2 stops23h 20mMultiple Airlines

Mon 8/1110:45 pmLIS - DCA

2 stops28h 03mMultiple Airlines

Deal found 7/28

$1,134

Fri 8/811:15 pmIAD - LIS

2 stops35h 30mIcelandair

Thu 8/2110:20 pmLIS - IAD

1 stop26h 00mIcelandair

Deal found 7/28

$1,197

Fri 8/811:10 amDCA - LIS

1 stop18h 40mTAP AIR PORTUGAL

Mon 9/85:35 pmLIS - DCA

1 stop21h 24mTAP AIR PORTUGAL

Deal found 7/29

$1,216

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 July 29, 2025.

Tue 10/711:19 amBWI - LIS

2 stops28h 21mMultiple Airlines

Deal found 7/29

$256

Sun 9/217:09 pmIAD - LIS

2 stops46h 56mMultiple Airlines

Deal found 7/27

$312

Sun 10/1211:00 amDCA - LIS

3 stops40h 30mMultiple Airlines

Deal found 7/29

$319

Sun 10/267:00 pmIAD - LIS

1 stop24h 25mIberia

Deal found 7/27

$323

Sun 9/216:50 pmBWI - LIS

1 stop20h 30mWorldTicket

Deal found 7/29

$331

Sun 10/2611:30 pmIAD - LIS

Nonstop7h 05mTAP AIR PORTUGAL

Deal found 7/27

$332

Mon 9/226:00 pmDCA - LIS

2 stops18h 05mIberia

Deal found 7/27

$363

Wed 9/179:05 pmIAD - LIS

1 stop19h 00mRoyal Air Maroc

Deal found 7/27

$368

Mon 10/65:20 pmDCA - LIS

1 stop11h 45mTAP AIR PORTUGAL

Deal found 7/29

$374

Sun 8/2411:00 amDCA - LIS

2 stops24h 00mScandinavian Airlines

Deal found 7/27

$405

Tue 10/1411:00 amDCA - LIS

2 stops17h 20mAir Canada

Deal found 7/27

$408

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

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Thu 9/25

6:50 pm-8:20 pm

1 stop20h 30m

Lisbon Humberto Delgado

Fri 10/3

9:20 pm-5:40 pm

1 stop25h 20m

$426

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sat 9/13

6:50 pm-9:55 pm

2 stops22h 05m

Lisbon Humberto Delgado

Sun 9/21

5:55 am-5:40 pm

2 stops16h 45m

$519

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 10/13

9:40 pm-3:30 pm

1 stop36h 50m

Lisbon Humberto Delgado

Thu 10/23

4:45 pm-11:45 am

1 stop24h 00m

$635

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 10/13

10:05 pm-10:05 pm

2 stops19h 00m

Lisbon Humberto Delgado

Wed 10/22

8:00 am-7:59 pm

2 stops40h 59m

$636

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 10/13

10:20 pm-10:40 am

Nonstop7h 20m

Lisbon Humberto Delgado

Fri 10/24

12:00 pm-3:20 pm

Nonstop8h 20m

$637

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 10/16

12:55 pm-10:20 am

3 stops16h 25m

Lisbon Humberto Delgado

Mon 10/20

7:05 am-10:34 pm

3 stops20h 29m

$637

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sat 10/4

8:30 pm-11:05 pm

2 stops21h 35m

Lisbon Humberto Delgado

Sun 10/12

6:25 am-10:10 pm

2 stops20h 45m

$638

Washington, D.C.Lisbon

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sun 10/12

9:05 pm-5:40 pm

1 stop15h 35m

Lisbon Humberto Delgado

Sat 10/18

6:40 pm-7:05 pm

1 stop29h 25m

$640

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Mon 11/3

6:00 am-9:30 pm

2 stops34h 30m

Lisbon Humberto Delgado

Fri 11/14

6:55 am-12:12 am

2 stops22h 17m

$640

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 10/13

6:05 am-10:05 pm

2 stops35h 00m

Lisbon Humberto Delgado

Thu 10/23

7:00 am-11:04 pm

2 stops21h 04m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 27 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 44 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 $1,129). 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.

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

The most flights from WAS to LIS are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Lisbon

Read reviews from past customers who have flown United Airlines, Turkish Airlines, and Scandinavian Airlines 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.

United Airlines

7.4

Good

8,899 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,899 reviews

United Airlines

7.4

Good

8,899 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Turkish Airlines

7.3

Good

3,925 reviews

United Airlines

7.4

Good

8,899 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Scandinavian Airlines

7.3

Good

1,449 reviews

United Airlines

7.4

Good

8,899 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Air Canada

7.1

Good

9,822 reviews

United Airlines

7.4

Good

8,899 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Aer Lingus

7.1

Good

1,190 reviews

United Airlines

7.4

Good

8,899 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 5 inbound flights from Washington, D.C. per day. 14 airlines have flights to Lisbon Humberto Delgado from Washington, D.C. on a regular basis.
What are the cheapest airlines flying from Washington, D.C. to Lisbon round-trip?
According to our current data, PLAY ($426), Turkish Airlines ($635), and Scandinavian Airlines ($636) offers the cheapest pricing from Washington, D.C. to Lisbon. PLAY is priced at 52% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. to Lisbon one-way?
One-way options have recently been found by users for as low as $323 on Iberia. Other airlines that offer cheap prices include WorldTicket from $331 and TAP AIR PORTUGAL from $332 one-way.
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.
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 $1,129). 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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Ericeira

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Alternative routes for Washington, D.C. to Lisbon

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Dulles Intl to Horta flights

Dulles Intl to Pico Island flights

Other flights to Lisbon

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

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$333	Average$382	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$506	Average$968	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$508	Average$749	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$510	Average$786	FlexibilityNo cancel fee	On-time70%
KLM	Cheapest$534	Average$882	FlexibilityNo cancel fee	On-time75%
Royal Air Maroc	Cheapest$552	Average$643	FlexibilityNo cancel fee	On-time75%
Air France	Cheapest$554	Average$681	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$563	Average$1,322	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$586	Average$666	FlexibilityNo cancel fee	On-time77%
Iberia	Cheapest$592	Average$770	FlexibilityNo cancel fee	On-time77%

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$256+ 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 10/7. 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 44 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 July 29, 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 July 29, 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 July 25, 2025.

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

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 July 29, 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.

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

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated July 29, 2025.

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.

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

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What is the cheapest month to book a flight 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 July 29, 2025.