Cheap flights from Dulles Intl (IAD) to Lisbon (LIS)

IAD — LIS
Aug 17 — Aug 241

How to find the cheapest flight from Dulles Intl (IAD) to Lisbon (LIS)

All the information you need to plan the best IAD to LIS flight in 2022: compare Dulles Intl to Lisbon flight prices with the expected peak season, weather and rainfall in Lisbon.

IAD - LIS

Price

$436 - $757

LIS

Temperature

51.8 - 73.4 °F

LIS

Rainfall

0.2 - 4.8 inches

Popular inJulyHigh demand for flights, 30% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 17% potential price drop
Round-trip from$436From Washington, D.C. Dulles Intl to Lisbon Humberto Delgado
One-way from$316One-way flight from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado

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

Users have found that booking a flight from Washington, D.C. Dulles Intl Airport to Lisbon at least 61 days early can save you up to 3% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Washington, D.C. Dulles Intl Airport to Lisbon for as little as $597 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 $597 for flights departing within the next 3 days.

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

August is one of the best times of the year to fly to Lisbon from Washington, D.C. Dulles Intl Airport. Prices for August average $513 per person but you can even find prices for as low as $350. The most expensive prices can be found in the month of July. Opting for a August flight can save you 35% on your journey compared to booking in July

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Lisbon (IAD - LIS)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Lisbon as you normally would.

Cheap flights from Dulles Intl to Lisbon in August, September 2022

The best prices found for IAD to LIS flights for August, September
Sep 27 - Oct 13
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

11h 25m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

15h 55m
$370

Multiple Airlines

Pick Dates

Deal found 8/10/22

Sep 13 - Sep 16
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

21h 10m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

22h 30m
$372

Multiple Airlines

Pick Dates

Deal found 8/11/22

Aug 22 - Sep 8
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

21h 10m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

22h 30m
$374

Multiple Airlines

Pick Dates

Deal found 8/11/22

Dulles Intl to Lisbon 2022 flight deals

Cheap flights to Lisbon from Dulles Intl found for this year
Oct 15 - Oct 25
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

12h 00m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

14h 20m
$353

Multiple Airlines

Pick Dates

Deal found 8/11/22

Oct 10 - Oct 27
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

Nonstop

7h 20m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

15h 00m
$365

Multiple Airlines

Pick Dates

Deal found 8/9/22

Oct 1 - Oct 8
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

20h 20m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

13h 30m
$366

Multiple Airlines

Pick Dates

Deal found 8/9/22

Cheap Brussels Airlines flights from Dulles Intl to Lisbon

Sep 8 - Sep 14
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

20h 00m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

22h 30m
$401

Brussels Airlines

Pick Dates

Deal found 8/11/22

Aug 18 - Aug 29
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

12h 35m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

22h 30m
$446

Brussels Airlines

Pick Dates

Deal found 8/9/22

Aug 18 - Aug 25
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

12h 35m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

22h 30m
$461

Brussels Airlines

Pick Dates

Deal found 8/9/22

  • Brussels Airlines is one of the most popular airlines used for those traveling from Washington, D.C. Dulles Intl Airport to Lisbon. Washington, D.C. Dulles Intl Airport to Lisbon flights are typically 60% cheaper than other airlines traveling the same route. Flights from Brussels Airlines typically cost $670.32 RT. The cheapest Brussels Airlines flight found for this route was $392. The most popular departure airport in Washington, D.C. Dulles Intl Airport when flying to Lisbon is Washington, D.C. Dulles Intl Airport. The most popular airport to fly into when visiting Lisbon is Lisbon Humberto Delgado Airport. When flying from Washington, D.C. Dulles Intl Airport to Lisbon, Brussels Airlines flights are 7% more popular than any other airline flying that same route.

Cheap Iberia flights from Dulles Intl to Lisbon

Oct 1 - Oct 6
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

18h 30m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

11h 40m
$403

Iberia

Pick Dates

Deal found 8/11/22

Aug 22 - Sep 7
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

14h 15m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

13h 30m
$453

Iberia

Pick Dates

Deal found 8/11/22

Aug 17 - Sep 6
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

14h 15m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

23h 20m
$462

Iberia

Pick Dates

Deal found 8/9/22

  • One of the most popular airlines traveling from Washington, D.C. Dulles Intl Airport to Lisbon is Iberia. Flights on this route from Iberia typically cost $478.00 RT, a price that is 84% cheaper than the average Washington, D.C. Dulles Intl Airport to Lisbon flight. The cheapest flight found was $380 RT. When traveling from Washington, D.C. Dulles Intl Airport to Lisbon on Iberia, the most popular airport to depart from is Washington, D.C. Dulles Intl Airport and the most popular airport to arrive at is Lisbon Humberto Delgado Airport. When flying from Washington, D.C. Dulles Intl Airport to Lisbon, Iberia flights are -6% more popular than any other airline flying that same route.

Non-stop flights to Lisbon from Dulles Intl

Save time with Dulles Intl to Lisbon direct flight deals
Oct 16 - Oct 27
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

Nonstop

7h 15m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

Nonstop

8h 20m
$443

TAP AIR PORTUGAL

Pick Dates

Deal found 8/11/22

Oct 23 - Oct 31
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

Nonstop

7h 15m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

Nonstop

8h 40m
$450

TAP AIR PORTUGAL

Pick Dates

Deal found 8/9/22

Nov 6 - Nov 10
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

Nonstop

7h 00m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

Nonstop

8h 40m
$468

TAP AIR PORTUGAL

Pick Dates

Deal found 8/10/22

Last minute flights from Dulles Intl to Lisbon

Late deals on return flights to Lisbon from Dulles Intl, departing today and this week
Aug 22 - Sep 8
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

21h 10m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

22h 30m
$374

Multiple Airlines

Pick Dates

Deal found 8/11/22

Aug 21 - Sep 7
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

20h 00m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

22h 30m
$401

Brussels Airlines

Pick Dates

Deal found 8/12/22

Aug 18 - Sep 20
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

10h 40m
LIS

Lisbon Humberto Delgado

IAD

Washington, D.C. Dulles Intl

1 stop

23h 20m
$426

Multiple Airlines

Pick Dates

Deal found 8/11/22

One-way flights to Lisbon from Dulles Intl

The cheapest one-way flights from Dulles Intl to Lisbon
Aug 19
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

32h 25m
$316

Multiple Airlines

Pick Dates

Deal found 8/11/22

Oct 16
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

10h 30m
$335

Royal Air Maroc

Pick Dates

Deal found 8/9/22

Oct 28
IAD

Washington, D.C. Dulles Intl

LIS

Lisbon Humberto Delgado

1 stop

10h 30m
$338

Royal Air Maroc

Pick Dates

Deal found 8/9/22

Related info for your journey

Useful info, stats and facts about Dulles Intl to Lisbon flights.

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

Most people fly into Lisbon Humberto Delgado (LIS) if they book a flight to Lisbon from Washington, D.C. Dulles Intl. On average, Humberto Delgado has 4 inbound flights from Washington, D.C. Dulles Intl per day from 17 airlines. Lisbon Humberto Delgado is conveniently located just 4.2 mi from Lisbon’s city center.

Which airlines flying from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado that may be offering flexible cancellation policies are TAP AIR PORTUGAL, United Airlines, and Lufthansa. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Washington, D.C. Dulles Intl Airport to Lisbon for under $400 on Cheapflights?

Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Lisbon for under $400. The cheapest flight booked recently is on Multiple Airlines for just $353, but on average you can expect to pay $374.

Are there nonstop flights from Washington, D.C. Dulles Intl Airport to Lisbon for under $500 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to Lisbon under $500. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to Lisbon is less than $506.

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Lisbon for under $400?

There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Lisbon within the next 7 days for less than $400.

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

Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Lisbon round-trip from $378. Other airlines that can offer you cheap pricing are Air Canada, from $389, and United Airlines, from $390. Lufthansa is currently priced 28% below the average price you’ll pay for this route.

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

The cheapest airline one-way is Royal Air Maroc, with whom users have recently found tickets for as low as $335. However, be on the lookout for offers from Scandinavian Airlines and TAP AIR PORTUGAL, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Lisbon for a low price.

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

When booking a flight from Washington, D.C. Dulles Intl Airport to Lisbon, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

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

The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Lisbon are Air Canada (76%), United Airlines (76%) and Lufthansa (76%).

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

The cheapest flight price from Washington, D.C. Dulles Intl Airport to Lisbon is $15. On average you can expect to pay $1,801. The most popular route, (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), can usually be booked for $366.

Alternative routes for Dulles Intl to Lisbon

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

Top 10 airlines flying from Dulles Intl to Lisbon

The chart below displays the airlines Cheapflights users traveling from Dulles Intl to Lisbon choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$12Average$21FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
TAP AIR PORTUGALCheapest$351Average$622FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search TAP AIR PORTUGAL flights
LufthansaCheapest$380Average$478FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Lufthansa flights
Air CanadaCheapest$390Average$460FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
United AirlinesCheapest$392Average$670FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
IberiaCheapest$393Average$419FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Iberia flights
Brussels AirlinesCheapest$399Average$436FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Brussels Airlines flights
American AirlinesCheapest$404Average$557FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
KLMCheapest$404Average$424FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
DeltaCheapest$405Average$541FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights

Hourly flight availability from Dulles Intl to Lisbon

See what time of day planes typically take off from Dulles Intl to Lisbon
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
17%of flight departuresAfternoonNoon to 6 pm
82%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Dulles Intl to Lisbon

See how many times per day planes take to the skies headed from Dulles Intl to Lisbon
Sunday5daily flights
Monday4daily flights
Tuesday4daily flights
Wednesday4daily flights
Thursday4daily flights
Friday4daily flights
Saturday4daily flights