Cheap flights from Dulles Intl (IAD) to Portugal from $345

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 10/1. 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.
IAD — LIS
May 26 — Jun 21

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 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.

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 $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%.

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 TAP AIR PORTUGAL flights from Dulles Intl to Portugal

Explore cheap flight options specifically provided by TAP AIR PORTUGAL 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 2,663,308 searches. Data last updated May 21, 2024.
Take a look at some of the lowest-priced TAP AIR PORTUGAL flights heading from Washington, D.C. to Portugal. Come back soon if you're not finding the exact deal you're looking for.
Sat 11/95:30 pmIAD - OPO
1 stop11h 10mTAP AIR PORTUGAL
Mon 11/185:00 amOPO - IAD
1 stop13h 00mTAP AIR PORTUGAL
Deal found 5/20$419
Mon 10/710:25 pmIAD - OPO
1 stop19h 00mTAP AIR PORTUGAL
Wed 10/239:00 amOPO - IAD
1 stop11h 15mTAP AIR PORTUGAL
Deal found 5/20$420
Sun 11/1010:30 pmIAD - OPO
1 stop14h 35mTAP AIR PORTUGAL
Mon 11/185:00 amOPO - IAD
1 stop13h 00mTAP AIR PORTUGAL
Deal found 5/20$422
Thu 11/145:30 pmIAD - OPO
1 stop11h 25mTAP AIR PORTUGAL
Thu 11/219:00 amOPO - IAD
1 stop11h 00mTAP AIR PORTUGAL
Deal found 5/20$450
Mon 9/3010:25 pmIAD - OPO
1 stop28h 20mTAP AIR PORTUGAL
Wed 10/1610:55 pmOPO - IAD
1 stop26h 25mTAP AIR PORTUGAL
Deal found 5/21$455
Tue 9/2410:30 pmIAD - OPO
1 stop19h 30mTAP AIR PORTUGAL
Mon 10/216:00 pmOPO - IAD
1 stop26h 20mTAP AIR PORTUGAL
Deal found 5/20$464
Mon 10/215:35 pmIAD - OPO
1 stop10h 25mTAP AIR PORTUGAL
Thu 10/319:00 amOPO - IAD
1 stop11h 00mTAP AIR PORTUGAL
Deal found 5/20$473
Mon 10/710:25 pmIAD - OPO
1 stop13h 40mTAP AIR PORTUGAL
Mon 10/1410:55 pmOPO - IAD
1 stop21h 25mTAP AIR PORTUGAL
Deal found 5/20$474
Sun 9/2910:20 pmIAD - OPO
1 stop21h 10mTAP AIR PORTUGAL
Wed 10/164:55 amOPO - IAD
1 stop15h 20mTAP AIR PORTUGAL
Deal found 5/21$490

Cheap PLAY flights from Dulles Intl to Portugal

Explore cheap flight options specifically provided by PLAY 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 2,663,308 searches. Data last updated May 21, 2024.
Some of the best deals we've found on PLAY flights traveling from Washington, D.C. to Portugal. Check back soon if you're not seeing flights that suit your needs.
Fri 8/306:50 pmIAD - OPO
1 stop20h 10mPLAY
Thu 9/59:20 pmOPO - IAD
1 stop25h 20mPLAY
Deal found 5/20$643
Fri 8/166:50 pmIAD - OPO
1 stop20h 10mPLAY
Sat 8/248:55 pmOPO - IAD
1 stop25h 45mPLAY
Deal found 5/20$673
Sun 5/266:50 pmIAD - LIS
1 stop20h 30mPLAY
Fri 5/319:20 pmLIS - IAD
1 stop25h 20mPLAY
Deal found 5/20$1,074
Sun 5/266:50 pmIAD - LIS
1 stop20h 30mPLAY
Fri 5/319:20 pmLIS - IAD
1 stop25h 20mPLAY
Deal found 5/20$1,109

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 2,663,308 searches. Prices were last updated on May 21, 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.
Mon 6/35:35 pmIAD - OPO
1 stop10h 25mTAP AIR PORTUGAL
Tue 6/118:55 amOPO - IAD
1 stop11h 25mTAP AIR PORTUGAL
Deal found 5/21$806
Sat 6/86:25 pmIAD - OPO
1 stop16h 05mAir France
Fri 6/219:15 amOPO - IAD
1 stop11h 55mAir France
Deal found 5/20$824
Mon 5/279:20 pmIAD - OPO
1 stop13h 10mDelta
Thu 6/65:00 amOPO - IAD
1 stop15h 35mDelta
Deal found 5/20$826
Mon 6/105:03 pmIAD - OPO
2 stops17h 27mDelta
Sun 6/169:15 amOPO - IAD
1 stop11h 55mDelta
Deal found 5/21$828
Mon 6/105:03 pmIAD - OPO
2 stops17h 27mDelta
Thu 6/1311:25 amOPO - IAD
1 stop33h 10mDelta
Deal found 5/20$830
Mon 5/276:25 pmIAD - OPO
1 stop16h 05mDelta
Thu 5/304:20 pmOPO - IAD
1 stop28h 50mDelta
Deal found 5/20$835
Mon 6/105:25 pmIAD - OPO
1 stop23h 50mKLM
Sun 6/169:15 amOPO - IAD
1 stop14h 55mKLM
Deal found 5/21$836
Sat 5/254:59 pmIAD - OPO
2 stops17h 31mDelta
Fri 5/319:15 amOPO - IAD
2 stops18h 37mDelta
Deal found 5/21$838
Tue 6/115:50 pmIAD - OPO
1 stop23h 25mDelta
Fri 6/215:00 amOPO - IAD
1 stop15h 35mDelta
Deal found 5/20$839

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 2,663,308 searches. Data last updated May 21, 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.
Sat 11/95:30 pmIAD - OPO
1 stop11h 10mTAP AIR PORTUGAL
Mon 11/185:00 amOPO - IAD
1 stop13h 00mTAP AIR PORTUGAL
Deal found 5/20$419
Mon 10/710:25 pmIAD - OPO
1 stop19h 00mTAP AIR PORTUGAL
Wed 10/239:00 amOPO - IAD
1 stop11h 15mTAP AIR PORTUGAL
Deal found 5/20$420
Sun 11/1010:30 pmIAD - OPO
1 stop14h 35mTAP AIR PORTUGAL
Mon 11/185:00 amOPO - IAD
1 stop13h 00mTAP AIR PORTUGAL
Deal found 5/20$422
Sun 11/105:35 pmIAD - OPO
1 stop11h 55mDelta
Sun 11/1711:15 amOPO - IAD
1 stop33h 30mDelta
Deal found 5/20$438
Mon 11/117:50 pmIAD - OPO
2 stops14h 35mDelta
Mon 11/1811:45 amOPO - IAD
1 stop12h 40mDelta
Deal found 5/20$440
Sun 11/105:40 pmIAD - OPO
1 stop12h 45mKLM
Tue 11/1911:45 amOPO - IAD
2 stops17h 22mKLM
Deal found 5/20$448
Thu 11/145:30 pmIAD - OPO
1 stop11h 25mTAP AIR PORTUGAL
Thu 11/219:00 amOPO - IAD
1 stop11h 00mTAP AIR PORTUGAL
Deal found 5/20$450
Tue 9/2410:30 pmIAD - OPO
1 stop19h 30mTAP AIR PORTUGAL
Mon 10/216:00 pmOPO - IAD
1 stop26h 20mTAP AIR PORTUGAL
Deal found 5/20$464
Mon 10/215:35 pmIAD - OPO
1 stop10h 25mTAP AIR PORTUGAL
Thu 10/319:00 amOPO - IAD
1 stop11h 00mTAP AIR PORTUGAL
Deal found 5/20$473

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 2,663,308 searches. Data last updated May 21, 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.
Mon 10/145:35 pmIAD - LIS
Nonstop7h 30mTAP AIR PORTUGAL
Tue 10/2212:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/20$478
Sun 11/1010:30 pmIAD - LIS
Nonstop7h 05mTAP AIR PORTUGAL
Sat 11/2310:50 amLIS - IAD
Nonstop8h 45mTAP AIR PORTUGAL
Deal found 5/20$480
Wed 10/165:40 pmIAD - LIS
Nonstop7h 30mTAP AIR PORTUGAL
Tue 10/2212:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/20$481
Tue 10/1510:30 pmIAD - LIS
Nonstop7h 10mTAP AIR PORTUGAL
Tue 10/2212:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/20$488
Mon 10/145:35 pmIAD - LIS
Nonstop7h 30mTAP AIR PORTUGAL
Tue 10/2212:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/20$500
Tue 10/810:30 pmIAD - LIS
Nonstop7h 10mTAP AIR PORTUGAL
Fri 10/185:25 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/20$561
Sun 9/2210:20 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Tue 10/2212:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/19$562
Wed 10/210:20 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Thu 10/1012:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/20$568
Sat 10/58:20 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Tue 10/1512:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 5/20$580

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 2,663,308 searches. Data last updated May 21, 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.
Mon 5/274:30 pmIAD - LIS
2 stops25h 05mMultiple Airlines
Wed 6/57:05 pmLIS - IAD
2 stops24h 35mMultiple Airlines
Deal found 5/21$673
Mon 5/274:30 pmIAD - LIS
2 stops25h 05mMultiple Airlines
Wed 6/510:00 pmLIS - IAD
3 stops24h 20mMultiple Airlines
Deal found 5/21$684
Wed 5/299:20 pmIAD - OPO
1 stop13h 10mAir France
Fri 5/319:15 amOPO - IAD
1 stop11h 55mAir France
Deal found 5/20$824
Mon 5/279:20 pmIAD - OPO
1 stop13h 10mDelta
Thu 6/65:00 amOPO - IAD
1 stop15h 35mDelta
Deal found 5/20$826
Mon 5/274:59 pmIAD - OPO
2 stops17h 31mDelta
Fri 5/319:15 amOPO - IAD
1 stop14h 55mDelta
Deal found 5/20$828
Sun 5/264:59 pmIAD - OPO
2 stops17h 31mDelta
Thu 5/305:00 amOPO - IAD
1 stop15h 35mDelta
Deal found 5/21$830
Mon 5/276:25 pmIAD - OPO
1 stop16h 05mDelta
Thu 5/304:20 pmOPO - IAD
1 stop28h 50mDelta
Deal found 5/20$835
Sun 5/265:25 pmIAD - OPO
1 stop17h 15mKLM
Fri 5/319:15 amOPO - IAD
1 stop11h 55mKLM
Deal found 5/20$836
Wed 5/294:59 pmIAD - OPO
2 stops17h 31mDelta
Wed 6/59:15 amOPO - IAD
2 stops19h 40mDelta
Deal found 5/20$838

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 2,663,308 searches. Data last updated May 21, 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.
Tue 10/18:30 pmIAD - FAO
2 stops18h 55mMultiple Airlines
Deal found 5/20$345
Mon 7/16:50 pmIAD - OPO
2 stops33h 15mMultiple Airlines
Deal found 5/19$358
Tue 10/18:30 pmIAD - FAO
3 stops22h 20mMultiple Airlines
Deal found 5/20$374
Mon 7/16:50 pmIAD - OPO
1 stop20h 10mPLAY
Deal found 5/19$375
Tue 9/106:50 pmIAD - FAO
2 stops23h 10mMultiple Airlines
Deal found 5/20$381
Mon 7/156:50 pmIAD - OPO
1 stop20h 10mPLAY
Deal found 5/20$385
Sun 10/136:50 pmIAD - TER
2 stops24h 25mMultiple Airlines
Deal found 5/20$412
Mon 7/16:50 pmIAD - OPO
3 stops32h 10mMultiple Airlines
Deal found 5/19$415
Mon 7/86:50 pmIAD - OPO
2 stops33h 15mMultiple Airlines
Deal found 5/20$417

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 2,663,308 searches. Data last updated May 21, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$419 - $582

Route

Depart

Return

Price

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sat 11/9

1 stop11h 10m

Porto

Mon 11/18

1 stop13h 00m

$419

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sun 11/10

1 stop11h 55m

Porto

Sat 11/16

1 stop33h 30m

$438

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sun 11/10

1 stop12h 45m

Porto

Tue 11/19

2 stops17h 22m

$448

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sat 11/9

2 stops20h 50m

Porto

Sat 11/16

2 stops20h 05m

$537

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Fri 11/8

1 stop12h 30m

Porto

Mon 11/18

1 stop14h 50m

$538

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Fri 11/8

2 stops18h 00m

Porto

Mon 11/18

2 stops20h 05m

$539

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Fri 11/8

2 stops21h 35m

Porto

Thu 11/21

1 stop14h 50m

$542

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Thu 10/3

1 stop18h 10m

Porto

Sat 10/12

1 stop16h 00m

$568

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sat 10/26

1 stop16h 35m

Porto

Mon 11/4

2 stops36h 15m

$582

Flights are sorted by cheapest first

Deals found on 5/20

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

Best time to book a flight from Dulles Intl to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 21, 2024.
Read reviews from past customers who have flown TAP AIR PORTUGAL, PLAY and SWISS 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.
8.0
Very good
10,595 reviews

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.0

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.

8.0
Very good
10,595 reviews
8.0
Very good
10,595 reviews

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.0

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
1,555 reviews
8.0
Very good
10,595 reviews

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.0

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
1,976 reviews
8.0
Very good
10,595 reviews

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.0

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.

7.6
Good
4,426 reviews
8.0
Very good
10,595 reviews

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.0

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.

7.6
Good
1,757 reviews
8.0
Very good
10,595 reviews

Crew

8.6

Comfort

7.9

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.0

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 $419, but on average you can expect to pay $467.

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

    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 $566.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Portugal for under $700?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Portugal within the next 7 days for less than $700.

  • 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 ($375), Scandinavian Airlines ($428), and Royal Air Maroc ($446).

  • 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 (90%), JetBlue (82%) and Air Canada (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 $1,980, our data indicates the cheapest price to be $358. The most popular route (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), is priced around $478.

  • 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 5/20.

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

    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 $1,194). 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.

See more FAQs

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Alternative routes for Dulles Intl to Portugal
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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 2,663,308 searches. Data last updated May 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$296Average$378FlexibilityNo cancel feeOn-timeN/A
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SWISSCheapest$413Average$669FlexibilityNo cancel feeOn-time79%
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Air FranceCheapest$418Average$714FlexibilityNo cancel feeOn-time77%
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DeltaCheapest$420Average$755FlexibilityNo cancel feeOn-timeN/A
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LufthansaCheapest$423Average$714FlexibilityNo cancel feeOn-time76%
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KLMCheapest$428Average$755FlexibilityNo cancel feeOn-time75%
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Brussels AirlinesCheapest$435Average$558FlexibilityNo cancel feeOn-timeN/A
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IberiaCheapest$457Average$734FlexibilityNo cancel feeOn-time77%
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TAP AIR PORTUGALCheapest$475Average$1,011FlexibilityNo cancel feeOn-timeN/A
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United AirlinesCheapest$485Average$1,124FlexibilityNo 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 21, 2024.
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
8%of flight departuresAfternoonNoon to 6 pm
92%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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

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.

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

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!

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