Cheap flights from Dulles Intl (IAD) to Portugal from $323

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 4/28. 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
Apr 3 — Apr 101

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 17 days in advance, which can save you up to 18% on flights from Washington, D.C. Dulles Intl Airport to Portugal compared to booking the week you need them. Waiting 17 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 $648. For sooner than that we have options available in the next 3 days from $1,068.

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 February. Prices to Portugal from Washington, D.C. Dulles Intl Airport average $828. You can even find prices in February for less than $828, as users have found deals to Portugal from as low as $352. The month of July 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 31%.

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 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 3,228,805 searches. Data last updated March 29, 2024.
Take a look at some of the lowest-priced PLAY flights heading from Washington, D.C. to Portugal. Come back soon if you're not finding the exact deal you're looking for.
Sun 4/216:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/269:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/28$356
Sun 4/146:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/269:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/28$373
Sun 4/76:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/129:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/28$379
Sun 4/286:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 5/39:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/28$390
Sun 4/146:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/199:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/27$391
Sun 4/146:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/199:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/29$396
Thu 9/126:50 pmIAD - LIS
1 stop20h 30mPLAY
Fri 9/209:20 pmLIS - IAD
1 stop25h 20mPLAY
Deal found 3/28$545
Mon 7/296:50 pmIAD - OPO
1 stop20h 10mPLAY
Sun 10/278:10 pmOPO - IAD
1 stop25h 45mPLAY
Deal found 3/29$558
Thu 4/256:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 5/39:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/29$586

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 3,228,805 searches. Data last updated March 29, 2024.
Some of the best deals we've found on TAP AIR PORTUGAL flights traveling from Washington, D.C. to Portugal. Check back soon if you're not seeing flights that suit your needs.
Tue 4/165:00 pmIAD - OPO
1 stop19h 05mTAP AIR PORTUGAL
Thu 4/255:10 amOPO - IAD
1 stop15h 10mTAP AIR PORTUGAL
Deal found 3/28$442
Sun 4/1410:20 pmIAD - OPO
1 stop19h 10mTAP AIR PORTUGAL
Fri 4/195:10 amOPO - IAD
1 stop15h 15mTAP AIR PORTUGAL
Deal found 3/28$467
Tue 4/165:00 pmIAD - OPO
1 stop12h 00mTAP AIR PORTUGAL
Thu 4/257:00 amOPO - IAD
1 stop18h 20mTAP AIR PORTUGAL
Deal found 3/29$486
Wed 4/310:20 pmIAD - OPO
1 stop13h 45mTAP AIR PORTUGAL
Wed 4/1011:00 amOPO - IAD
1 stop14h 20mTAP AIR PORTUGAL
Deal found 3/28$489
Mon 9/2310:25 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Thu 10/312:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 3/28$692
Sun 9/2210:20 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Sat 10/1212:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 3/28$712
Tue 4/25:00 pmIAD - OPO
1 stop12h 00mTAP AIR PORTUGAL
Sat 4/610:55 pmOPO - IAD
1 stop26h 25mTAP AIR PORTUGAL
Deal found 3/28$717
Sat 9/218:20 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Tue 10/112:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 3/28$721
Sat 4/68:20 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Fri 4/1212:05 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 3/29$733

Cheap Dulles Intl to Portugal flights in March & April 2024

Find cheap flight options from Dulles Intl to Portugal specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,228,805 searches. Prices were last updated on March 29, 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 4/216:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/269:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/28$356
Sun 4/146:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/269:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/28$373
Sun 4/76:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/129:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/28$379
Sun 4/146:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/199:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/27$391
Tue 4/165:00 pmIAD - OPO
1 stop19h 05mTAP AIR PORTUGAL
Thu 4/255:10 amOPO - IAD
1 stop15h 10mTAP AIR PORTUGAL
Deal found 3/28$442
Sun 4/1410:20 pmIAD - OPO
1 stop19h 10mTAP AIR PORTUGAL
Fri 4/195:10 amOPO - IAD
1 stop15h 15mTAP AIR PORTUGAL
Deal found 3/28$467
Wed 4/310:20 pmIAD - OPO
1 stop13h 45mTAP AIR PORTUGAL
Wed 4/1011:00 amOPO - IAD
1 stop14h 20mTAP AIR PORTUGAL
Deal found 3/28$489
Fri 4/55:25 pmIAD - OPO
1 stop12h 15mDelta
Fri 1/315:00 amOPO - IAD
2 stops18h 42mDelta
Deal found 3/28$512
Fri 4/55:17 pmIAD - OPO
2 stops17h 23mDelta
Fri 1/315:00 amOPO - IAD
2 stops18h 42mDelta
Deal found 3/28$517

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 3,228,805 searches. Data last updated March 29, 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 4/216:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/269:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/28$356
Sun 4/146:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/269:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/28$373
Sun 4/76:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/129:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/28$379
Sun 4/146:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/199:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/27$391
Thu 11/286:45 pmIAD - OPO
1 stop11h 05mAir France
Sun 12/811:45 amOPO - IAD
1 stop12h 40mAir France
Deal found 3/27$424
Fri 11/299:25 pmIAD - OPO
1 stop32h 25mDelta
Sun 12/811:45 amOPO - IAD
1 stop12h 40mDelta
Deal found 3/28$425
Thu 11/286:45 pmIAD - OPO
1 stop11h 05mDelta
Sat 12/75:00 amOPO - IAD
1 stop15h 45mDelta
Deal found 3/28$426
Wed 12/412:30 pmIAD - OPO
2 stops17h 20mDelta
Mon 12/911:45 amOPO - IAD
1 stop12h 40mDelta
Deal found 3/28$429
Thu 11/2812:30 pmIAD - OPO
2 stops17h 20mDelta
Sat 12/75:00 amOPO - IAD
1 stop15h 45mDelta
Deal found 3/28$430

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 3,228,805 searches. Data last updated March 29, 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 9/2310:25 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Thu 10/312:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 3/28$692
Sun 9/2210:20 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Sat 10/1212:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 3/28$712
Sat 9/218:20 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Tue 10/112:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 3/28$721
Sat 4/278:20 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Fri 5/312:05 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 3/27$746
Tue 4/95:00 pmIAD - LIS
Nonstop7h 30mTAP AIR PORTUGAL
Thu 4/185:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 3/28$749
Mon 9/2310:25 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Mon 9/3011:55 amLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 3/28$751
Mon 4/1510:25 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Thu 4/2512:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 3/28$752
Mon 9/1610:25 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Tue 9/245:40 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 3/28$765
Sun 9/225:40 pmIAD - LIS
Nonstop7h 30mTAP AIR PORTUGAL
Sun 10/612:00 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 3/28$767

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 3,228,805 searches. Data last updated March 29, 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.
Sun 4/76:50 pmIAD - LIS
1 stop20h 50mPLAY
Fri 4/129:40 pmLIS - IAD
1 stop25h 00mPLAY
Deal found 3/28$379
Wed 4/310:20 pmIAD - OPO
1 stop13h 45mTAP AIR PORTUGAL
Wed 4/1011:00 amOPO - IAD
1 stop14h 20mTAP AIR PORTUGAL
Deal found 3/28$489
Fri 4/55:25 pmIAD - OPO
1 stop12h 15mDelta
Fri 1/315:00 amOPO - IAD
2 stops18h 42mDelta
Deal found 3/28$512
Fri 4/55:17 pmIAD - OPO
2 stops17h 23mDelta
Fri 1/315:00 amOPO - IAD
2 stops18h 42mDelta
Deal found 3/28$517
Tue 4/26:25 pmIAD - OPO
1 stop16h 05mDelta
Sat 4/135:00 amOPO - IAD
1 stop16h 00mDelta
Deal found 3/28$556
Thu 4/46:00 pmIAD - OPO
1 stop16h 45mLufthansa
Tue 4/911:05 amOPO - IAD
1 stop13h 20mLufthansa
Deal found 3/28$560
Tue 4/25:17 pmIAD - OPO
2 stops17h 13mDelta
Sat 4/135:00 amOPO - IAD
1 stop16h 00mDelta
Deal found 3/28$561
Sun 4/76:25 pmIAD - OPO
1 stop16h 05mDelta
Thu 4/115:00 amOPO - IAD
2 stops22h 51mDelta
Deal found 3/27$566
Sun 4/75:25 pmIAD - OPO
1 stop23h 50mDelta
Thu 4/1111:25 amOPO - IAD
1 stop33h 10mDelta
Deal found 3/28$568

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 3,228,805 searches. Data last updated March 29, 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.
Sun 4/286:50 pmIAD - LIS
2 stops33h 30mMultiple Airlines
Deal found 3/28$323
Mon 4/226:50 pmIAD - LIS
3 stops32h 40mMultiple Airlines
Deal found 3/28$327
Mon 8/198:30 pmIAD - FAO
2 stops21h 15mMultiple Airlines
Deal found 3/28$331
Mon 4/226:50 pmIAD - LIS
2 stops21h 25mMultiple Airlines
Deal found 3/28$335
Mon 9/166:50 pmIAD - OPO
3 stops22h 40mMultiple Airlines
Deal found 3/28$339
Mon 9/166:50 pmIAD - OPO
2 stops22h 45mMultiple Airlines
Deal found 3/28$340
Sat 5/46:50 pmIAD - OPO
1 stop20h 25mPLAY
Deal found 3/28$350
Sun 4/286:50 pmIAD - LIS
1 stop20h 50mPLAY
Deal found 3/29$350
Mon 9/169:05 pmIAD - LIS
1 stop15h 35mRoyal Air Maroc
Deal found 3/28$351

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 3,228,805 searches. Data last updated March 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$356 - $582

Route

Depart

Return

Price

Washington, D.C. Dulles IntlLisbon Humberto Delgado

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sun 4/21

1 stop20h 50m

Lisbon Humberto Delgado

Fri 4/26

1 stop25h 00m

$356

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 4/16

1 stop19h 05m

Porto

Thu 4/25

1 stop15h 10m

$442

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Thu 4/11

1 stop12h 15m

Porto

Tue 4/16

1 stop16h 00m

$535

Washington, D.C. Dulles IntlLisbon Humberto Delgado

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 4/29

1 stop15h 35m

Lisbon Humberto Delgado

Sun 5/5

1 stop29h 25m

$544

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 4/10

1 stop16h 05m

Porto

Wed 4/17

1 stop16h 00m

$557

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 4/15

2 stops15h 55m

Porto

Fri 4/19

2 stops18h 10m

$562

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 4/23

1 stop33h 40m

Porto

Sun 4/28

1 stop25h 55m

$574

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sun 7/28

1 stop20h 00m

Porto

Fri 8/23

1 stop12h 30m

$577

Washington, D.C. Dulles IntlPorto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 4/16

2 stops20h 35m

Porto

Tue 4/23

2 stops30h 42m

$582

Flights are sorted by cheapest first

Deals found on 3/28

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 March 29, 2024.
Read reviews from past customers who have flown PLAY, TAP AIR PORTUGAL and Lufthansa 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
11,402 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,402 reviews
8.1
Very good
11,402 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.9
Good
1,684 reviews
8.1
Very good
11,402 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.8
Good
2,148 reviews
8.1
Very good
11,402 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.6
Good
1,884 reviews
8.1
Very good
11,402 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.5
Good
3,742 reviews
8.1
Very good
11,402 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

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?

    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 $356, but on average you can expect to pay $500.

  • Are there nonstop flights from Washington, D.C. Dulles Intl Airport to Portugal for under $700 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to Portugal under $700. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to Portugal is less than $767.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Portugal for under $400?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Portugal within the next 7 days for less than $400.

  • What days are nonstop flights available from Washington, D.C. Dulles Intl Airport to Portugal?

    Nonstop flights can be found on the following days: Sunday, Monday, Wednesday, Friday.

  • How many flights depart from Washington, D.C. Dulles Intl Airport to Portugal on average per day?

    Per day, 4 flights depart from Washington, D.C. Dulles Intl Airport to Portugal on average.
    Afternoon (Noon - 6pm) - 75% of flight departures
    Evening (6pm - Midnight) - 25% of flight departures

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Portugal?

    PLAY, TAP AIR PORTUGAL, and KLM can get you from Washington, D.C. Dulles Intl Airport to Portugal in just under 12h 15m. Your travel time can differ by up to 8h 35m. The distance between Washington, D.C. Dulles Intl Airport and Portugal is about 3602 mi. This flight may include one or multiple stops.

  • 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 (85%), Air Canada (72%) and United Airlines (72%).

  • 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 $1,616, our data indicates the cheapest price to be $267. The most popular route (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), is priced around $594.

  • 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), Funchal Madeira Airport (FNC), Faro Airport (FAO), 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 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 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 see available direct flights.

  • 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 do 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.

  • 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 3/28.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 3,228,805 searches. Data last updated March 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$298Average$384FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
SWISSCheapest$413Average$581FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air FranceCheapest$418Average$725FlexibilityNo cancel feeOn-time77%
Search Air France flights
DeltaCheapest$420Average$799FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
LufthansaCheapest$423Average$706FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest$428Average$684FlexibilityNo cancel feeOn-time75%
Search KLM flights
Brussels AirlinesCheapest$432Average$563FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
TAP AIR PORTUGALCheapest$449Average$1,008FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IberiaCheapest$457Average$810FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest$485Average$1,114FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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 March 29, 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
14%of flight departuresAfternoonNoon to 6 pm
85%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 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!

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

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

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

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!

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 can I compare prices from different travel booking sites for flights from Dulles Intl to Portugal?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from Dulles Intl to Portugal that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.