Cheap flights from Dulles Intl (IAD) to Portugal from $298
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 8/15. 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?
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 31% 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.
What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Portugal?
The best pricing can be found in the month of January. Prices to Portugal from Washington, D.C. Dulles Intl Airport average $871. You can even find prices in January for less than $871, 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 36%.
When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Portugal (IAD - PT)?
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.
Cheap Scandinavian Airlines flights from Dulles Intl to Portugal
Explore cheap flight options specifically provided by Scandinavian Airlines for the route between Dulles Intl and Portugal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated 5月 9, 2024.
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 United Airlines flights from Dulles Intl to Portugal
Explore cheap flight options specifically provided by United Airlines for the route between Dulles Intl and Portugal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated 5月 9, 2024.
Some of the best deals we've found on United Airlines 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 2,752,338 searches. Prices were last updated on 5月 9, 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 2,752,338 searches. Data last updated 5月 9, 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
Discover non-stop flight options from Dulles Intl to Portugal. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated 5月 9, 2024.
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
Find last-minute flight options from Dulles Intl to Portugal for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated 5月 9, 2024.
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
Search for one-way flight options from Dulles Intl to Portugal. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated 5月 9, 2024.
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
Customize your flight search to find flights from Dulles Intl to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated 5月 9, 2024.
Fly from
Fly to
Budget
$354 - $688
Route
Depart
Return
Price
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
週日 11/3
1 stop21h 10m
Lisbon Humberto Delgado
週一 11/18
1 stop24h 40m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
週一 9/23
Nonstop7h 15m
Lisbon Humberto Delgado
週四 10/3
Nonstop8h 20m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
週三 10/16
1 stop10h 00m
Lisbon Humberto Delgado
週四 10/31
1 stop29h 35m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
週一 9/23
2 stops38h 00m
Lisbon Humberto Delgado
週三 10/2
2 stops19h 15m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
週一 9/23
2 stops23h 45m
Lisbon Humberto Delgado
週一 9/30
2 stops37h 25m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
週日 11/3
1 stop18h 45m
Lisbon Humberto Delgado
週五 11/15
2 stops26h 23m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
週一 9/23
1 stop31h 05m
Lisbon Humberto Delgado
週二 10/1
1 stop32h 50m
Washington, D.C. Dulles IntlLisbon Humberto Delgado
IAD - LIS
IADLIS
Washington, D.C. Dulles Intl
週三 10/30
1 stop22h 30m
Lisbon Humberto Delgado
週一 11/18
1 stop26h 10m
Washington, D.C. Dulles IntlPorto
IAD - OPO
IADOPO
Washington, D.C. Dulles Intl
週一 5/20
1 stop16h 05m
Porto
週五 5/24
1 stop14h 55m
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated 5月 9, 2024.
Read reviews from past customers who have flown Scandinavian Airlines, United Airlines and TAP AIR PORTUGAL 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.
Comfort
Food
Overall
Entertainment
Boarding
Crew
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Food
Overall
Entertainment
Boarding
Crew
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Food
Overall
Entertainment
Boarding
Crew
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Food
Overall
Entertainment
Boarding
Crew
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Food
Overall
Entertainment
Boarding
Crew
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Food
Overall
Entertainment
Boarding
Crew
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
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.
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Alternative routes for Dulles Intl to PortugalSee 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 Portugal
Discover the top 10 airlines that operate flights from Dulles Intl to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated 5月 9, 2024.
Search flights from Dulles Intl to Portugal by cabin class
Find flights from Dulles Intl to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 5月 9, 2024.
| 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 |
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
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