Question 1

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

Accepted Answer

The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Portugal are PLAY ($350), Royal Air Maroc ($439), and TAP AIR PORTUGAL ($448).

Question 2

E

Accepted Answer

Currently, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Portugal (average of $599). Flying from Washington, D.C. Dulles Intl Airport to Portugal in June is currently the most expensive (average of $1,227). 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.

Question 3

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

Accepted Answer

The Washington, D.C. Dulles Intl Airport to Portugal flight deals you see on this page were last updated on 5/13.

Question 4

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

Accepted Answer

Before booking your flight from Washington, D.C. Dulles Intl Airport to Portugal check out the most popular airlines for this route: American Airlines, Air Canada or Air France.

Question 5

What are the most popular routes from Washington, D.C. Dulles Intl Airport to Portugal?

Accepted Answer

While some choose either Washington, D.C. Dulles Intl - Porto or Washington, D.C. Dulles Intl - Faro, Washington, D.C. Dulles Intl - Lisbon Humberto Delgado is the most popular route from Washington, D.C. Dulles Intl Airport to Portugal.

Question 6

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

Accepted Answer

Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Portugal? While on average our users pay $2,051, our data indicates the cheapest price to be $381. The most popular route (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), is priced around $359.

Question 7

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

Accepted Answer

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

Question 8

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

Accepted Answer

Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Portugal for under $400. The cheapest flight booked recently is on PLAY for just $345, but on average you can expect to pay $434.

Question 9

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

Accepted Answer

Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to Portugal under $500. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to Portugal is less than $556.

Question 10

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Portugal for under $800?

Accepted Answer

There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Portugal within the next 7 days for less than $800.

Question 11

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

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 42 days in advance, which can save you up to 30% on flights from Washington, D.C. Dulles Intl Airport to Portugal compared to booking the week you need them. Waiting 42 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $714. For sooner than that we have options available in the next 3 days from $1,003.

Question 12

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

Accepted Answer

The best pricing can be found in the month of January. Prices to Portugal from Washington, D.C. Dulles Intl Airport average $869. You can even find prices in January for less than $869, as users have found deals to Portugal from as low as $476. The month of June appears to be one of the more expensive times to travel to Portugal from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 37%.

Question 13

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

Accepted Answer

When flying from Washington, D.C. Dulles Intl Airport to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Question 14

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. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Porto Airport (OPO), Faro Airport (FAO), Funchal Madeira Airport (FNC), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER).

Question 15

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

Accepted Answer

The amount of baggage you can bring on your Dulles Intl to Portugal 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 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

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

Question 18

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

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 Portugal.

Question 19

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

Accepted Answer

Yes. Cheapflights offers flight deals from Dulles Intl to Portugal 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 20

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

Accepted Answer

Many airlines flying from Dulles Intl to Portugal 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 21

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

Accepted Answer

Yes, you can often find last-minute deals on Dulles Intl to Portugal 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 22

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

Accepted Answer

Cheapflights makes it easy to find Dulles Intl to Portugal flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 23

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

Accepted Answer

Cheapflights helps you find that perfect flight to Portugal from Dulles Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 24

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

Accepted Answer

Yes! Cheapflights helps users easily find flights from Dulles Intl to Portugal with no change fees.

Question 25

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

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$296	Average$380	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
SWISS	Cheapest$413	Average$669	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Air France	Cheapest$418	Average$702	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Delta	Cheapest$420	Average$765	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Lufthansa	Cheapest$423	Average$714	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
KLM	Cheapest$428	Average$755	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Brussels Airlines	Cheapest$431	Average$559	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Iberia	Cheapest$457	Average$806	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
TAP AIR PORTUGAL	Cheapest$470	Average$1,009	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
United Airlines	Cheapest$485	Average$1,124	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

1%of flight departures	Early morningMidnight to 6 am
0%of flight departures	Morning6 am to noon
5%of flight departures	AfternoonNoon to 6 pm
94%of flight departures	Evening6 pm to midnight

Cheap flights from Dulles Intl (IAD) to Portugal from $331

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 7/1. 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.

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

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

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

Cheap Scandinavian Airlines flights from Dulles Intl to Portugal

Take a look at some of the lowest-priced Scandinavian Airlines flights heading from Washington, D.C. to Portugal. Come back soon if you're not finding the exact deal you're looking for.

Cheap Royal Air Maroc flights from Dulles Intl to Portugal

Some of the best deals we've found on Royal Air Maroc flights traveling from Washington, D.C. to Portugal. Check back soon if you're not seeing flights that suit your needs.

Cheap Dulles Intl to Portugal flights in May & June 2024

Find cheap flight options from Dulles Intl to Portugal specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,633,403 searches. Prices were last updated on May 14, 2024.

Scroll through some of the best deals on flights from Washington, D.C. to Portugal in 2024. For more flight deals, be sure to check back very soon.

Dulles Intl to Portugal 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Portugal in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 14, 2024.

Scroll through some of the best deals on flights from Washington, D.C. to Portugal in 2024. For more flight deals, be sure to check back very soon.

Non-stop flights to Portugal from Dulles Intl

For a quicker trip, book one of these direct flights from Washington, D.C. to Portugal. Users seeking other options on flights from Washington, D.C. to Portugal should update the search form at the top of the page.

Dulles Intl to Portugal flights leaving soon

Consider one of these great deals we found on last-minute flights from Washington, D.C. to Portugal. Users should examine the flight details to ensure there are no surprises.

One-way flights to Portugal from Dulles Intl

Take a look at some of the best available options we've come across on one-way flights from Washington, D.C. to Portugal. Those needing a return flight from Washington, D.C. to Portugal can use the search form above.

Find flights from Dulles Intl to Portugal within your budget

Reviews of airlines servicing Portugal

Read reviews from past customers who have flown Scandinavian Airlines, Royal Air Maroc and PLAY from Washington, D.C. to Portugal. In addition to providing an overall rating, 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 Dulles Intl to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Portugal for under $800?

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

What are the most popular routes from Washington, D.C. Dulles Intl Airport to Portugal?

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

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

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

What does IAD to LIS mean?

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

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

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

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

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

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

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

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

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Top 10 airlines flying from Dulles Intl to Portugal

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Hourly flight availability from Dulles Intl to Portugal

Find hourly flight availability from Dulles Intl to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 14, 2024.

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