Question 1

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

Accepted Answer

Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Lisbon round-trip from $737. Other airlines that can offer you cheap pricing are TAP AIR PORTUGAL, from $746, and Delta, from $755. KLM is currently priced 18% below the average price you’ll pay for this route.

Question 2

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

Accepted Answer

The cheapest airline one-way is PLAY, with whom users have recently found tickets for as low as $432. However, be on the lookout for offers from Royal Air Maroc 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.

Question 3

E

Accepted Answer

Currently, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Lisbon (average of $598). Flying from Washington, D.C. Dulles Intl Airport to Lisbon in June is currently the most expensive (average of $1,240). 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.

January

$621

February

$636

March

$701

April

$752

May

$947

June

$1,240

July

$1,118

August

$941

September

$918

October

$741

November

$605

December

$598

Question 4

When is the best time to book a flight from Washington, D.C. Dulles Intl Airport to Lisbon?

Accepted Answer

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 9 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 5

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

Accepted Answer

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

Question 6

How recently were the Washington, D.C. Dulles Intl Airport to Lisbon flight deals updated?

Accepted Answer

The Washington, D.C. Dulles Intl Airport to Lisbon flight deals you see on this page were last updated on 5/5.

Question 7

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

Accepted Answer

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.

Question 8

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

Accepted Answer

The cheapest flight price from Washington, D.C. Dulles Intl Airport to Lisbon is $387. On average you can expect to pay $1,647. The most popular route, (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), can usually be booked for $373.

Question 9

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

Accepted Answer

The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Lisbon are TAP AIR PORTUGAL (87%), Air Canada (80%) and United Airlines (80%).

Question 10

Can I find flights from Washington, D.C. Dulles Intl Airport to Lisbon for under $800 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Lisbon for under $800. The cheapest flight booked recently is on KLM for just $737, but on average you can expect to pay $778.

Question 11

Are there nonstop flights from Washington, D.C. Dulles Intl Airport to Lisbon for under $800 on Cheapflights?

Accepted Answer

Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to Lisbon under $800. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to Lisbon is less than $868.

Question 12

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Lisbon for under $900?

Accepted Answer

There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Lisbon within the next 7 days for less than $900.

Question 13

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

Accepted Answer

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 22% when planning your travel around this day of the week.

Question 14

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

Accepted Answer

Users have found that booking a flight from Washington, D.C. Dulles Intl Airport to Lisbon at least 42 days early can save you up to 31% on average compared to booking a flight this week. If booking 42 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 $714 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 $1,003 for flights departing within the next 3 days.

Question 15

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

Accepted Answer

January is one of the best times of the year to fly to Lisbon from Washington, D.C. Dulles Intl Airport. Prices for January average $871 per person but you can even find prices for as low as $476. The most expensive prices can be found in the month of June. Opting for a January flight can save you 36% on your journey compared to booking in June

Question 16

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

Accepted Answer

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Lisbon in the morning. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the afternoon.

Question 17

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

Accepted Answer

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 1 inbound flight from Washington, D.C. Dulles Intl per day from 16 airlines. Lisbon Humberto Delgado is conveniently located just 4.2 mi from Lisbon’s city center.

Question 18

What does IAD to LIS mean?

Accepted Answer

IAD and LIS are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. IAD to LIS refers to a flight route from Washington, D.C. Dulles Intl Airport to Lisbon Humberto Delgado Airport.

Question 19

Can I find deals for flights from Dulles Intl to Lisbon that include extra baggage allowance?

Accepted Answer

The amount of baggage you can bring on your Dulles Intl to Lisbon flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Question 20

Can I find deals on flights from Dulles Intl to Lisbon with specific airlines?

Accepted Answer

Yes, Cheapflights allows you to browse and filter Dulles Intl to Lisbon flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Question 21

Can I find deals for flights from Dulles Intl to Lisbon that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Dulles Intl to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 22

How can I find direct flights from Dulles Intl to Lisbon?

Accepted Answer

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

Question 23

Can I find deals for business class flights from Dulles Intl to Lisbon?

Accepted Answer

Yes. Cheapflights offers flight deals from Dulles Intl 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.

Question 24

Can I find deals for flights from Dulles Intl to Lisbon that allow pets onboard?

Accepted Answer

Many airlines flying from Dulles Intl to Lisbon offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Question 25

Can I find deals on last-minute flights from Dulles Intl to Lisbon?

Accepted Answer

Yes, you can often find last-minute deals on Dulles Intl to Lisbon flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Question 26

How does Cheapflights help users find flights from Dulles Intl to Lisbon?

Accepted Answer

When you search for this flight from Dulles Intl to Lisbon, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 27

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Lisbon?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Dulles Intl to Lisbon by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 28

Can Cheapflights find flights from Dulles Intl to Lisbon with no change fees?

Accepted Answer

Certainly. Search results for flights to Lisbon from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 29

Can Cheapflights notify me if prices for flights from Dulles Intl to Lisbon become cheaper?

Accepted Answer

Yes, Cheapflights offers price alerts on Dulles Intl to Lisbon flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Popular in	June
Cheapest in	January
Round-trip from	$598
One-way from	$443

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$296	Average$380	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
TAP AIR PORTUGAL	Cheapest$470	Average$923	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Iberia	Cheapest$509	Average$947	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Royal Air Maroc	Cheapest$519	Average$535	FlexibilityNo cancel fee	On-time75%	Search Royal Air Maroc flights
American Airlines	Cheapest$522	Average$947	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
KLM	Cheapest$533	Average$800	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest$535	Average$894	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
British Airways	Cheapest$539	Average$832	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air Canada	Cheapest$594	Average$827	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	Cheapest$596	Average$876	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

1%of flight departures	Early morningMidnight to 6 am
0%of flight departures	Morning6 am to noon
4%of flight departures	AfternoonNoon to 6 pm
95%of flight departures	Evening6 pm to midnight

Sunday	1daily flight
Monday	1daily flight
Tuesday	1daily flight
Wednesday	1daily flight
Thursday	1daily flight
Friday	1daily flight
Saturday	1daily flight

Cheap flights from Dulles Intl (IAD) to Lisbon (LIS) from $432

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

The best prices from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado are usually found in January or February, booked 9 days in advance, depart on a Monday or Sunday and return on a Wednesday

Cheap flight deals from Dulles Intl to Lisbon

Popular in

Cheapest in

Round-trip from

One-way from

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

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

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

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

Cheap TAP AIR PORTUGAL flights from Dulles Intl to Lisbon

Check out some of the cheapest TAP AIR PORTUGAL flights we've come across from Washington, D.C. to Lisbon. Make sure to check back often as deals are often changing.

Cheap Delta flights from Dulles Intl to Lisbon

Browse through some of the cheapest Delta flights traveling from Washington, D.C. to Lisbon. Check back soon if you're not seeing flights that suit your needs.

Cheap Dulles Intl to Lisbon flights in May & June 2024

Find cheap flight options from Dulles Intl to Lisbon specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Prices were last updated on May 6, 2024.

The lowest fares we've come across on flights traveling from Washington, D.C. to Lisbon in May and June 2024. For more flight deals, be sure to check back very soon.

Dulles Intl to Lisbon 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Lisbon in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.

The lowest fares we've come across on flights traveling from Washington, D.C. to Lisbon in May and June 2024. For more flight deals, be sure to check back very soon.

Non-stop flights to Lisbon from Dulles Intl

For a shorter flight, select one of these non-stop flights from Washington, D.C. to Lisbon. Select from other flights from Washington, D.C. to Lisbon by using the search form above.

Dulles Intl to Lisbon flights leaving soon

Consider one of these great deals we found on last-minute flights from Washington, D.C. to Lisbon. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to Lisbon from Dulles Intl

Some of the best available deals we've found on one-way flights from Washington, D.C. to Lisbon. Users needing a return flight from Washington, D.C. to Lisbon should utilize the search form above.

Find flights from Dulles Intl to Lisbon within your budget

When is the best time to book a flight from Washington, D.C. Dulles Intl Airport to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Lisbon. Price data was last updated on May 3, 2024.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 9 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Lisbon. Price data was last updated on April 28, 2024.

Average price of flights to Lisbon by month

Plan your trip from Dulles Intl to Lisbon by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to Lisbon is currently $445 while a round-trip flight costs $791. Price data was last updated on April 28, 2024.

Temperature and rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature and rainfall totals by month.

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 May 6, 2024.

To help decide which airline to fly from Washington, D.C. to Lisbon, see what other customers have to say about TAP AIR PORTUGAL, Delta and PLAY. You can also see how each airline stacks up 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 Dulles Intl 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. Dulles Intl?

Can I find flights from Washington, D.C. Dulles Intl Airport to Lisbon for under $800 on Cheapflights?

Are there nonstop flights from Washington, D.C. Dulles Intl Airport to Lisbon for under $800 on Cheapflights?

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Lisbon for under $900?

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

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

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

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

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

What does IAD to LIS mean?

Can I find deals for flights from Dulles Intl to Lisbon that include extra baggage allowance?

Can I find deals on flights from Dulles Intl to Lisbon with specific airlines?

Can I find deals for flights from Dulles Intl to Lisbon that include hotel bookings?

How can I find direct flights from Dulles Intl to Lisbon?

Can I find deals for business class flights from Dulles Intl to Lisbon?

Can I find deals for flights from Dulles Intl to Lisbon that allow pets onboard?

Can I find deals on last-minute flights from Dulles Intl to Lisbon?

How recently were the Washington, D.C. Dulles Intl Airport to Lisbon flight deals updated?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dulles Intl to LisbonSee prices for flight routes from nearby airports that may be better suited for you.

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

Top 10 airlines flying from Dulles Intl to Lisbon

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Search flights from Dulles Intl to Lisbon by cabin class

Find flights from Dulles Intl to Lisbon, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Dulles Intl to Lisbon

Find hourly flight availability from Dulles Intl 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 May 6, 2024.

Weekly flight availability from Dulles Intl to Lisbon

Explore weekly flight availability from Dulles Intl to Lisbon. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 6, 2024.

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Alternative routes for Dulles Intl to Lisbon
See prices for flight routes from nearby airports that may be better suited for you.