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.
IAD — LIS
May 13 — May 201

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 Royal Air Maroc flights from Dulles Intl to Portugal

Explore cheap flight options specifically provided by Royal Air Maroc 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 May 8, 2024.
Take a look at some of the lowest-priced Royal Air Maroc flights heading from Washington, D.C. to Portugal. Come back soon if you're not finding the exact deal you're looking for.
Wed 6/59:20 pmIAD - LIS
1 stop15h 20mRoyal Air Maroc
Tue 6/256:40 pmLIS - IAD
1 stop29h 40mRoyal Air Maroc
Deal found 5/7$822
Mon 5/139:20 pmIAD - LIS
1 stop15h 20mRoyal Air Maroc
Tue 6/116:40 pmLIS - IAD
1 stop29h 40mRoyal Air Maroc
Deal found 5/7$1,060
Wed 5/159:20 pmIAD - LIS
1 stop10h 00mRoyal Air Maroc
Tue 5/216:40 pmLIS - IAD
1 stop29h 40mRoyal Air Maroc
Deal found 5/7$1,119
Mon 5/139:20 pmIAD - LIS
1 stop15h 20mRoyal Air Maroc
Mon 6/31:20 pmLIS - IAD
1 stop11h 00mRoyal Air Maroc
Deal found 5/7$1,181

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 May 8, 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.
Tue 10/225:27 pmIAD - OPO
1 stop11h 18mUnited Airlines
Sat 11/96:00 amOPO - IAD
2 stops20h 31mUnited Airlines
Deal found 5/7$572
Sun 11/37:00 amIAD - OPO
2 stops23h 35mUnited Airlines
Fri 11/156:00 amOPO - IAD
1 stop14h 50mUnited Airlines
Deal found 5/6$581
Fri 11/111:05 pmIAD - OPO
1 stop12h 40mUnited Airlines
Tue 11/56:00 amOPO - IAD
2 stops20h 05mUnited Airlines
Deal found 5/8$634
Sat 8/175:25 pmIAD - OPO
1 stop11h 20mUnited Airlines
Sat 8/2412:10 pmOPO - IAD
1 stop32h 05mUnited Airlines
Deal found 5/7$678
Mon 7/155:23 pmIAD - OPO
1 stop11h 22mUnited Airlines
Tue 7/239:00 amOPO - IAD
1 stop12h 20mUnited Airlines
Deal found 5/7$818
Tue 8/610:15 pmIAD - LIS
Nonstop7h 15mUnited Airlines
Tue 8/276:15 amLIS - IAD
1 stop18h 10mUnited Airlines
Deal found 5/8$825
Tue 8/610:15 pmIAD - LIS
Nonstop7h 15mUnited Airlines
Mon 8/1911:25 amLIS - IAD
2 stops29h 30mUnited Airlines
Deal found 5/8$859
Wed 10/210:15 pmIAD - FAO
1 stop9h 30mUnited Airlines
Thu 10/106:05 amFAO - IAD
1 stop14h 40mUnited Airlines
Deal found 5/6$1,039
Mon 5/1310:25 pmIAD - LIS
1 stop18h 05mUnited Airlines
Tue 6/1112:20 pmLIS - IAD
Nonstop8h 10mUnited Airlines
Deal found 5/7$1,206

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 May 8, 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.
Tue 5/148:16 amIAD - OPO
2 stops24h 29mMultiple Airlines
Thu 5/237:20 pmOPO - IAD
1 stop25h 55mMultiple Airlines
Deal found 5/7$584
Wed 6/59:20 pmIAD - LIS
1 stop15h 20mRoyal Air Maroc
Mon 6/106:40 pmLIS - IAD
1 stop29h 40mRoyal Air Maroc
Deal found 5/7$656
Tue 6/46:50 pmIAD - LIS
2 stops23h 55mMultiple Airlines
Wed 6/121:20 pmLIS - IAD
2 stops33h 20mMultiple Airlines
Deal found 5/6$669
Mon 5/206:25 pmIAD - OPO
1 stop16h 05mAir France
Fri 5/249:15 amOPO - IAD
1 stop14h 55mAir France
Deal found 5/7$688
Mon 5/206:25 pmIAD - OPO
1 stop16h 05mDelta
Fri 5/249:15 amOPO - IAD
2 stops18h 59mDelta
Deal found 5/7$698
Thu 5/306:50 pmIAD - LIS
1 stop20h 30mPLAY
Mon 6/39:30 pmLIS - IAD
1 stop25h 10mPLAY
Deal found 5/7$727
Thu 5/306:50 pmIAD - LIS
1 stop20h 30mPLAY
Mon 6/39:30 pmLIS - IAD
1 stop25h 10mPLAY
Deal found 5/7$741
Mon 6/35:20 pmIAD - LIS
2 stops32h 10mMultiple Airlines
Thu 6/69:55 pmLIS - IAD
2 stops24h 45mMultiple Airlines
Deal found 5/8$743
Tue 5/144:59 pmIAD - OPO
2 stops41h 31mAir France
Wed 5/224:20 pmOPO - IAD
1 stop28h 50mAir France
Deal found 5/8$762

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 May 8, 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.
Sun 10/136:50 pmIAD - LIS
1 stop20h 30mPLAY
Mon 10/219:30 pmLIS - IAD
1 stop25h 10mPLAY
Deal found 5/7$398
Sun 11/36:05 pmIAD - LIS
1 stop21h 10mPLAY
Fri 11/159:15 pmLIS - IAD
1 stop24h 40mPLAY
Deal found 5/7$401
Sun 10/136:50 pmIAD - LIS
1 stop20h 30mPLAY
Fri 10/189:20 pmLIS - IAD
1 stop25h 20mPLAY
Deal found 5/7$403
Sun 10/136:50 pmIAD - LIS
1 stop20h 30mPLAY
Fri 10/189:20 pmLIS - IAD
1 stop25h 20mPLAY
Deal found 5/7$410
Sun 9/2910:20 pmIAD - OPO
1 stop15h 40mTAP AIR PORTUGAL
Wed 10/164:55 amOPO - IAD
1 stop15h 20mTAP AIR PORTUGAL
Deal found 5/7$419
Mon 9/910:25 pmIAD - OPO
1 stop31h 30mTAP AIR PORTUGAL
Fri 9/2010:00 amOPO - IAD
1 stop13h 25mTAP AIR PORTUGAL
Deal found 5/7$425
Thu 10/317:05 pmIAD - LIS
1 stop21h 10mPLAY
Mon 11/189:15 pmLIS - IAD
1 stop24h 40mPLAY
Deal found 5/7$438
Mon 11/114:55 pmIAD - OPO
2 stops17h 30mDelta
Mon 11/1811:45 amOPO - IAD
1 stop12h 40mDelta
Deal found 5/7$440
Thu 8/156:50 pmIAD - LIS
1 stop20h 30mPLAY
Mon 8/269:30 pmLIS - IAD
1 stop25h 10mPLAY
Deal found 5/7$452

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 May 8, 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.
Sun 7/2810:20 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Sat 10/512:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/7$816
Sat 7/138:20 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Tue 9/35:40 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/7$864
Sat 7/138:20 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Tue 9/312:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/8$871
Sat 8/35:10 pmIAD - LIS
Nonstop7h 30mTAP AIR PORTUGAL
Sat 9/712:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/7$884
Mon 7/810:25 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Tue 8/2712:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/7$888
Mon 8/510:25 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Fri 8/162:25 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/7$892
Wed 7/2410:20 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Thu 8/85:05 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/7$894
Tue 7/165:00 pmIAD - LIS
Nonstop7h 30mTAP AIR PORTUGAL
Wed 7/2411:55 amLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/7$898
Tue 7/165:00 pmIAD - LIS
Nonstop7h 30mTAP AIR PORTUGAL
Wed 7/2411:55 amLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/7$904

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 May 8, 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.
Tue 5/148:16 amIAD - OPO
2 stops24h 29mMultiple Airlines
Thu 5/237:20 pmOPO - IAD
1 stop25h 55mMultiple Airlines
Deal found 5/7$584
Tue 5/144:59 pmIAD - OPO
2 stops41h 31mAir France
Wed 5/224:20 pmOPO - IAD
1 stop28h 50mAir France
Deal found 5/8$762
Tue 5/144:59 pmIAD - OPO
2 stops41h 31mAir France
Wed 5/224:20 pmOPO - IAD
2 stops30h 08mAir France
Deal found 5/8$766
Thu 5/166:50 pmIAD - LIS
1 stop20h 30mPLAY
Fri 5/249:20 pmLIS - IAD
1 stop25h 20mPLAY
Deal found 5/7$779
Tue 5/148:45 pmIAD - OPO
1 stop17h 35mMultiple Airlines
Thu 5/237:35 amOPO - IAD
1 stop16h 40mMultiple Airlines
Deal found 5/7$814
Tue 5/149:20 pmIAD - OPO
1 stop13h 10mDelta
Sun 5/269:15 amOPO - IAD
1 stop14h 55mDelta
Deal found 5/7$822
Tue 5/1412:35 pmIAD - LIS
3 stops29h 00mMultiple Airlines
Tue 5/219:55 pmLIS - IAD
2 stops24h 45mMultiple Airlines
Deal found 5/8$827
Thu 5/166:50 pmIAD - LIS
1 stop20h 30mPLAY
Fri 5/319:20 pmLIS - IAD
1 stop25h 20mPLAY
Deal found 5/8$830
Tue 5/148:45 pmIAD - LIS
1 stop17h 30mMultiple Airlines
Thu 5/237:05 amLIS - IAD
1 stop17h 10mMultiple Airlines
Deal found 5/7$831

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 May 8, 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.
Thu 8/156:50 pmIAD - LIS
1 stop20h 30mPLAY
Deal found 5/6$298
Mon 8/56:50 pmIAD - OPO
1 stop20h 10mPLAY
Deal found 5/6$316
Tue 10/18:30 pmIAD - LIS
2 stops19h 25mMultiple Airlines
Deal found 5/7$329
Thu 9/2611:15 pmIAD - LIS
2 stops41h 05mMultiple Airlines
Deal found 5/7$330
Sun 10/136:50 pmIAD - LIS
1 stop20h 30mPLAY
Deal found 5/7$332
Mon 9/168:30 pmIAD - LIS
2 stops21h 50mMultiple Airlines
Deal found 5/7$338
Tue 7/96:50 pmIAD - LIS
2 stops47h 55mMultiple Airlines
Deal found 5/7$339
Fri 8/236:50 pmIAD - LIS
3 stops45h 25mMultiple Airlines
Deal found 5/7$347
Tue 10/18:30 pmIAD - LIS
3 stops19h 05mMultiple Airlines
Deal found 5/7$349

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 May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$403 - $577

Route

Depart

Return

Price

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sun 9/29

1 stop13h 45m

Porto

Wed 10/16

1 stop26h 20m

$403

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Fri 9/20

1 stop16h 05m

Porto

Fri 9/27

1 stop11h 55m

$553

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 8/20

1 stop16h 05m

Porto

Thu 8/29

1 stop14h 05m

$555

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 8/19

1 stop20h 10m

Porto

Sat 8/31

1 stop25h 45m

$564

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Fri 9/27

2 stops27h 50m

Porto

Tue 10/15

1 stop16h 00m

$566

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sat 8/17

1 stop23h 00m

Porto

Thu 9/5

1 stop14h 05m

$568

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 10/22

1 stop11h 18m

Porto

Sat 11/9

2 stops20h 31m

$572

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sat 10/19

1 stop31h 10m

Porto

Sat 11/9

2 stops28h 20m

$573

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sun 11/3

2 stops17h 35m

Porto

Fri 11/15

2 stops20h 05m

$577

Flights are sorted by cheapest first

Deals found on 5/8

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 May 8, 2024.
Read reviews from past customers who have flown Royal Air Maroc, 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.
8.1
Very good
10,789 reviews

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.1

Comfort

7.9

Reviews

1 / 10

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.

8.1
Very good
10,789 reviews
8.1
Very good
10,789 reviews

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.1

Comfort

7.9

Reviews

1 / 10

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.

7.9
Good
1,592 reviews
8.1
Very good
10,789 reviews

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.1

Comfort

7.9

Reviews

1 / 10

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.

7.8
Good
2,013 reviews
8.1
Very good
10,789 reviews

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.1

Comfort

7.9

Reviews

1 / 10

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.

7.7
Good
1,062 reviews
8.1
Very good
10,789 reviews

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.1

Comfort

7.9

Reviews

1 / 10

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.

7.5
Good
1,777 reviews
8.1
Very good
10,789 reviews

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.1

Comfort

7.9

Reviews

1 / 10

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.
  • Can I find flights from Washington, D.C. Dulles Intl Airport to Portugal for under $500 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Portugal for under $500. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $403, but on average you can expect to pay $512.

  • Are there nonstop flights from Washington, D.C. Dulles Intl Airport to Portugal for under $900 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to Portugal under $900. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to Portugal is less than $909.

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

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

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

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Portugal are PLAY ($298), Royal Air Maroc ($360), and TAP AIR PORTUGAL ($379).

  • 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?

    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%).

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

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Portugal? While on average our users pay $2,319, our data indicates the cheapest price to be $385. The most popular route (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), is priced around $452.

  • What does IAD to LIS mean?

    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).

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

    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.

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

    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.

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

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

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

    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.

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

    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.

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

    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.

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

    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.

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

    The Washington, D.C. Dulles Intl Airport to Portugal flight deals you see on this page were last updated on 5/7.

See more FAQs

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Alternative routes for Dulles Intl to Portugal
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 May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$296Average$380FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
SWISSCheapest$413Average$656FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air FranceCheapest$418Average$724FlexibilityNo cancel feeOn-time77%
Search Air France flights
DeltaCheapest$420Average$753FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
LufthansaCheapest$423Average$707FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest$428Average$684FlexibilityNo cancel feeOn-time75%
Search KLM flights
Brussels AirlinesCheapest$431Average$565FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
IberiaCheapest$457Average$810FlexibilityNo cancel feeOn-time77%
Search Iberia flights
TAP AIR PORTUGALCheapest$470Average$1,009FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
United AirlinesCheapest$485Average$1,140FlexibilityNo cancel feeOn-time69%
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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 May 8, 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
4%of flight departuresAfternoonNoon to 6 pm
95%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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