Cheap flights from Portugal to Dulles Intl (IAD) from $313

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 5/21. 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.
LIS — IAD
May 4 — May 111

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

Travelers have found it’s best to book a flight 60 days in advance to save up to 28% 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 60 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 Portugal to Washington, D.C. Dulles Intl Airport 1-2 weeks in advance for as low as $683, or $792 for flights within the next 24 hours.

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

The best pricing can be found in the month of November. Prices to Washington, D.C. Dulles Intl Airport from Portugal average $720. You can even find prices in November for less than $720, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as $407. The month of July appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from Portugal. Flying in the targeted month can save you up to 38%.

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

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

Cheap Delta flights from Portugal to Dulles Intl

Explore cheap flight options specifically provided by Delta for the route between Portugal and Dulles Intl. 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 2,948,547 searches. Data last updated April 29, 2024.
Find some of the cheapest Delta flights traveling from Portugal to Washington, D.C.. Make sure to check back often as deals are often changing.
Thu 6/65:00 amLIS - IAD
2 stops17h 20mDelta
Thu 7/49:20 pmIAD - LIS
1 stop12h 30mDelta
Deal found 4/28$517
Thu 6/205:00 amLIS - IAD
1 stop15h 35mDelta
Mon 7/19:20 pmIAD - LIS
1 stop12h 30mDelta
Deal found 4/28$518
Tue 5/215:00 amLIS - IAD
2 stops17h 21mDelta
Tue 5/284:59 pmIAD - LIS
1 stop10h 01mDelta
Deal found 4/28$519
Wed 6/195:40 amLIS - IAD
1 stop18h 30mDelta
Wed 8/149:20 pmIAD - LIS
1 stop12h 30mDelta
Deal found 4/28$520
Tue 7/235:40 amLIS - IAD
2 stops16h 43mDelta
Tue 8/66:25 pmIAD - LIS
1 stop15h 25mDelta
Deal found 4/28$527
Thu 7/255:40 amLIS - IAD
1 stop15h 30mDelta
Sat 8/35:25 pmIAD - LIS
1 stop16h 10mDelta
Deal found 4/28$528
Sun 6/165:00 amOPO - IAD
2 stops17h 27mDelta
Mon 8/57:50 pmIAD - OPO
2 stops14h 50mDelta
Deal found 4/28$620
Wed 6/1912:10 pmLIS - IAD
1 stop12h 00mDelta
Wed 6/265:50 pmIAD - LIS
1 stop12h 05mDelta
Deal found 4/28$730

Cheap Air France flights from Portugal to Dulles Intl

Explore cheap flight options specifically provided by Air France for the route between Portugal and Dulles Intl. 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 2,948,547 searches. Data last updated April 29, 2024.
Some of the lowest-priced Air France flights we've found at this time heading from Portugal to Washington, D.C.. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Wed 6/1912:10 pmLIS - IAD
1 stop12h 00mAir France
Mon 7/19:20 pmIAD - LIS
1 stop12h 30mAir France
Deal found 4/28$521
Thu 5/25:40 amLIS - IAD
1 stop15h 30mAir France
Thu 5/96:25 pmIAD - LIS
1 stop18h 30mAir France
Deal found 4/28$4,313

Cheap Portugal to Dulles Intl flights in April & May 2024

Find cheap flight options from Portugal to Dulles Intl specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Prices were last updated on April 29, 2024.
These are some of the most attractive deals on flights from Portugal to Washington, D.C. in 2024. Check back regularly for other flight deals.
Tue 5/217:15 amLIS - IAD
1 stop13h 20mBritish Airways
Tue 5/2810:45 pmIAD - LIS
1 stop14h 10mBritish Airways
Deal found 4/28$489
Tue 5/215:00 amLIS - IAD
2 stops17h 21mDelta
Tue 5/284:59 pmIAD - LIS
1 stop10h 01mDelta
Deal found 4/28$519
Fri 5/247:30 amLIS - IAD
2 stops17h 59mMultiple Airlines
Sun 6/910:20 pmIAD - LIS
1 stop18h 20mMultiple Airlines
Deal found 4/28$534
Fri 5/245:05 amLIS - IAD
1 stop15h 10mLufthansa
Sun 6/910:15 pmIAD - LIS
Nonstop7h 15mLufthansa
Deal found 4/28$543
Tue 5/215:05 amLIS - IAD
1 stop19h 45mUnited Airlines
Tue 5/2810:15 pmIAD - LIS
Nonstop7h 15mUnited Airlines
Deal found 4/28$545
Fri 5/2412:20 pmLIS - IAD
Nonstop8h 10mUnited Airlines
Sun 6/910:15 pmIAD - LIS
Nonstop7h 15mUnited Airlines
Deal found 4/28$547
Fri 5/2412:20 pmLIS - IAD
Nonstop8h 10mLufthansa
Sun 6/910:15 pmIAD - LIS
Nonstop7h 15mLufthansa
Deal found 4/28$548
Tue 5/2112:20 pmLIS - IAD
Nonstop8h 25mUnited Airlines
Tue 5/2810:15 pmIAD - LIS
Nonstop7h 15mUnited Airlines
Deal found 4/28$549
Tue 5/2111:05 amLIS - IAD
2 stops17h 56mAmerican Airlines
Tue 5/283:27 pmIAD - LIS
2 stops19h 03mAmerican Airlines
Deal found 4/28$582

Portugal to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Portugal and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
These are some of the most attractive deals on flights from Portugal to Washington, D.C. in 2024. Check back regularly for other flight deals.
Fri 10/189:20 pmLIS - IAD
1 stop25h 20mPLAY
Thu 10/317:05 pmIAD - LIS
1 stop21h 10mPLAY
Deal found 4/28$407
Thu 9/56:35 amLIS - IAD
1 stop17h 40mMultiple Airlines
Sun 9/1510:50 pmIAD - LIS
1 stop14h 05mMultiple Airlines
Deal found 4/28$482
Tue 5/217:15 amLIS - IAD
1 stop13h 20mBritish Airways
Tue 5/2810:45 pmIAD - LIS
1 stop14h 10mBritish Airways
Deal found 4/28$489
Thu 9/56:35 amLIS - IAD
1 stop17h 40mIberia
Sun 9/1510:50 pmIAD - LIS
2 stops19h 35mIberia
Deal found 4/28$506
Thu 6/67:30 pmLIS - IAD
1 stop25h 05mMultiple Airlines
Thu 7/49:20 pmIAD - LIS
1 stop20h 05mMultiple Airlines
Deal found 4/28$512
Thu 6/65:00 amLIS - IAD
2 stops17h 20mDelta
Thu 7/49:20 pmIAD - LIS
1 stop12h 30mDelta
Deal found 4/28$517
Thu 6/205:00 amLIS - IAD
1 stop15h 35mDelta
Mon 7/19:20 pmIAD - LIS
1 stop12h 30mDelta
Deal found 4/28$518
Tue 5/215:00 amLIS - IAD
2 stops17h 21mDelta
Tue 5/284:59 pmIAD - LIS
1 stop10h 01mDelta
Deal found 4/28$519
Wed 6/195:40 amLIS - IAD
1 stop18h 30mDelta
Wed 8/149:20 pmIAD - LIS
1 stop12h 30mDelta
Deal found 4/28$520

Non-stop flights to Dulles Intl from Portugal

Discover non-stop flight options from Portugal to Dulles Intl. 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 2,948,547 searches. Data last updated April 29, 2024.
Take a look at some of the direct flights traveling from Portugal to Washington, D.C. in the near future. Those looking to potentially save on 1 or 2-stop flights from Portugal to Washington, D.C. should utilize the search form at the the top of the page.
Fri 5/245:25 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Sun 6/95:40 pmIAD - LIS
Nonstop7h 30mTAP AIR PORTUGAL
Deal found 4/29$541
Fri 5/2412:20 pmLIS - IAD
Nonstop8h 10mUnited Airlines
Sun 6/910:15 pmIAD - LIS
Nonstop7h 15mUnited Airlines
Deal found 4/28$547
Fri 5/2412:20 pmLIS - IAD
Nonstop8h 10mLufthansa
Sun 6/910:15 pmIAD - LIS
Nonstop7h 15mLufthansa
Deal found 4/28$548
Tue 5/2112:20 pmLIS - IAD
Nonstop8h 25mUnited Airlines
Tue 5/2810:15 pmIAD - LIS
Nonstop7h 15mUnited Airlines
Deal found 4/28$549
Fri 10/185:25 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Thu 10/316:30 pmIAD - LIS
Nonstop7h 05mTAP AIR PORTUGAL
Deal found 4/28$558
Sat 10/1212:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Sat 11/26:30 pmIAD - LIS
Nonstop7h 05mTAP AIR PORTUGAL
Deal found 4/29$584
Wed 6/1911:55 amLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Wed 8/145:40 pmIAD - LIS
Nonstop7h 30mTAP AIR PORTUGAL
Deal found 4/28$657
Thu 6/2012:20 pmLIS - IAD
Nonstop8h 10mUnited Airlines
Mon 7/110:15 pmIAD - LIS
Nonstop7h 15mUnited Airlines
Deal found 4/28$731
Thu 6/2012:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Mon 7/15:35 pmIAD - LIS
Nonstop7h 30mTAP AIR PORTUGAL
Deal found 4/28$735

Portugal to Dulles Intl flights leaving soon

Find last-minute flight options from Portugal to Dulles Intl 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 2,948,547 searches. Data last updated April 29, 2024.
Have a look at some of the flights available from Portugal to Washington, D.C. departing last-minute. Tip: verify your flight details before completing your reservation.
Fri 5/38:35 pmOPO - IAD
1 stop27h 40mIberia
Thu 5/168:45 pmIAD - OPO
1 stop10h 00mIberia
Deal found 4/28$596
Fri 5/36:35 amLIS - IAD
1 stop17h 40mAmerican Airlines
Mon 5/62:14 pmIAD - LIS
2 stops13h 51mAmerican Airlines
Deal found 4/28$608
Fri 5/311:05 amLIS - IAD
2 stops13h 37mAmerican Airlines
Mon 5/63:27 pmIAD - LIS
2 stops12h 38mAmerican Airlines
Deal found 4/28$617
Thu 5/95:55 amLIS - IAD
1 stop15h 20mSWISS
Fri 5/246:00 pmIAD - LIS
2 stops24h 10mSWISS
Deal found 4/28$665
Thu 5/911:25 amLIS - IAD
1 stop11h 05mMultiple Airlines
Thu 5/238:45 pmIAD - LIS
1 stop21h 25mMultiple Airlines
Deal found 4/28$673
Thu 5/95:55 amLIS - IAD
1 stop14h 20mSWISS
Fri 5/245:45 pmIAD - LIS
1 stop24h 25mSWISS
Deal found 4/28$680
Thu 5/95:55 amLIS - IAD
2 stops37h 10mSWISS
Fri 5/246:00 pmIAD - LIS
2 stops24h 10mSWISS
Deal found 4/28$684
Thu 5/912:20 pmLIS - IAD
Nonstop8h 25mMultiple Airlines
Fri 5/245:45 pmIAD - LIS
1 stop24h 25mMultiple Airlines
Deal found 4/28$712
Fri 5/312:20 pmLIS - IAD
Nonstop8h 25mUnited Airlines
Mon 5/610:20 pmIAD - LIS
1 stop18h 20mUnited Airlines
Deal found 4/28$715

One-way flights to Dulles Intl from Portugal

Search for one-way flight options from Portugal to Dulles Intl. 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 2,948,547 searches. Data last updated April 29, 2024.
Take a look at some of the one-way flights we've detected from Portugal to Washington, D.C.. Users needing a return flight from Portugal to Washington, D.C. should utilize the search form above.
Tue 5/219:55 pmLIS - IAD
2 stops24h 45mMultiple Airlines
Deal found 4/29$313
Tue 5/79:55 pmLIS - IAD
2 stops24h 45mMultiple Airlines
Deal found 4/28$327
Wed 5/221:40 pmLIS - IAD
2 stops33h 00mMultiple Airlines
Deal found 4/29$330
Thu 6/139:55 pmLIS - IAD
2 stops24h 45mMultiple Airlines
Deal found 4/28$332
Fri 5/179:55 pmLIS - IAD
2 stops24h 45mMultiple Airlines
Deal found 4/28$337
Wed 5/89:55 pmOPO - IAD
3 stops48h 45mMultiple Airlines
Deal found 4/29$337
Wed 5/81:40 pmLIS - IAD
2 stops57h 00mMultiple Airlines
Deal found 4/29$347
Thu 5/235:55 amLIS - IAD
2 stops16h 45mMultiple Airlines
Deal found 4/28$352
Fri 6/147:00 pmOPO - IAD
1 stop29h 05mRoyal Air Maroc
Deal found 4/28$353

Find flights from Portugal to Dulles Intl within your budget

Customize your flight search to find flights from Portugal to Dulles Intl 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 2,948,547 searches. Data last updated April 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$407 - $545

Route

Depart

Return

Price

Lisbon Humberto DelgadoWashington, D.C. Dulles Intl

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 10/18

1 stop25h 20m

Washington, D.C. Dulles Intl

Thu 10/31

1 stop21h 10m

$407

Lisbon Humberto DelgadoWashington, D.C. Dulles Intl

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 9/5

1 stop17h 40m

Washington, D.C. Dulles Intl

Sun 9/15

1 stop14h 05m

$482

Lisbon Humberto DelgadoWashington, D.C. Dulles Intl

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 5/21

1 stop13h 20m

Washington, D.C. Dulles Intl

Tue 5/28

1 stop14h 10m

$489

Lisbon Humberto DelgadoWashington, D.C. Dulles Intl

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 9/5

1 stop17h 40m

Washington, D.C. Dulles Intl

Sun 9/15

2 stops19h 35m

$506

Lisbon Humberto DelgadoWashington, D.C. Dulles Intl

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 6/6

2 stops17h 20m

Washington, D.C. Dulles Intl

Thu 7/4

1 stop12h 30m

$517

Lisbon Humberto DelgadoWashington, D.C. Dulles Intl

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Wed 6/19

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 7/1

1 stop12h 30m

$521

PortoWashington, D.C. Dulles Intl

OPO - IAD

OPOIAD

Porto

Sun 6/16

1 stop24h 05m

Washington, D.C. Dulles Intl

Mon 8/5

1 stop23h 50m

$522

Lisbon Humberto DelgadoWashington, D.C. Dulles Intl

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 5/24

1 stop15h 10m

Washington, D.C. Dulles Intl

Sun 6/9

Nonstop7h 15m

$543

Lisbon Humberto DelgadoWashington, D.C. Dulles Intl

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 5/21

1 stop19h 45m

Washington, D.C. Dulles Intl

Tue 5/28

Nonstop7h 15m

$545

Flights are sorted by cheapest first

Deals found on 4/28

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated April 29, 2024.
See what other customers who have flown with Delta, Air France and KLM from Portugal to Washington, D.C. have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
10,913 reviews

Overall

8.1

Boarding

8.2

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

8.1
Very good
10,913 reviews
8.1
Very good
10,913 reviews

Overall

8.1

Boarding

8.2

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.9
Good
1,618 reviews
8.1
Very good
10,913 reviews

Overall

8.1

Boarding

8.2

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.8
Good
2,043 reviews
8.1
Very good
10,913 reviews

Overall

8.1

Boarding

8.2

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.7
Good
1,081 reviews
8.1
Very good
10,913 reviews

Overall

8.1

Boarding

8.2

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.6
Good
1,798 reviews
8.1
Very good
10,913 reviews

Overall

8.1

Boarding

8.2

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Dulles Intl. 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 Portugal to Washington, D.C. Dulles Intl Airport for under $500 on Cheapflights?

    Yes, there are multiple flights from Portugal to Washington, D.C. Dulles Intl Airport for under $500. The cheapest flight booked recently is on PLAY for just $407, but on average you can expect to pay $518.

  • Are there nonstop flights from Portugal to Washington, D.C. Dulles Intl Airport for under $600 on Cheapflights?

    Cheapflights has at least 20 direct flights from Portugal to Washington, D.C. Dulles Intl Airport under $600. A good price for a nonstop flight from Portugal to Washington, D.C. Dulles Intl Airport is less than $742.

  • Are there last-minute flights available from Portugal to Washington, D.C. Dulles Intl Airport for under $600?

    There are currently 20+ open flights from Portugal to Washington, D.C. Dulles Intl Airport within the next 7 days for less than $600.

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

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

    Consider Air Canada (83%), United Airlines (83%) or Lufthansa (83%) when booking your flight. These represent the most reliable airlines when flying from Portugal to Washington, D.C. Dulles Intl Airport.

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

    The cheapest flight price from Portugal to Washington, D.C. Dulles Intl Airport is $478. On average you can expect to pay $1,627. The most popular route, (Lisbon Humberto Delgado - Washington, D.C. Dulles Intl), can usually be booked for $407.

  • What does LIS to IAD mean?

    LIS and IAD 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. LIS to IAD refers to a flight route from Lisbon Humberto Delgado Airport to Washington, D.C. Dulles Intl Airport. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Porto Airport (OPO), Faro Airport (FAO), Funchal Madeira Airport (FNC), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER).

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

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

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portugal to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Many airlines flying from Portugal to Dulles Intl 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.

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

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

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

    The Portugal to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 4/28.

See more FAQs

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

Top 7 airlines flying from Portugal to Dulles Intl

Discover the top 7 airlines that operate flights from Portugal to Dulles Intl. 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 2,948,547 searches. Data last updated April 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$480Average$524FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest$485Average$634FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest$488Average$540FlexibilityNo cancel feeOn-time75%
Search KLM flights
TAP AIR PORTUGALCheapest$501Average$707FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
American AirlinesCheapest$546Average$660FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$569Average$890FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest$616Average$766FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Search flights from Portugal to Dulles Intl by cabin class

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

Hourly flight availability from Portugal to Dulles Intl

Find hourly flight availability from Portugal to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2024.
1%of flight departuresEarly morningMidnight to 6 am
88%of flight departuresMorning6 am to noon
11%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Portugal to Dulles Intl 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.

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

Cheapflights simply makes it quick and affordable to book flights from Portugal to Dulles Intl 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.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portugal to Dulles Intl, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Portugal to Dulles Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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