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Portimão

$388+ Cheap flights from Dulles Intl (IAD) to Portimão, Portugal

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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FAO
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Dulles Intl to Portimão

Keep the following information in mind while searching for Dulles Intl to Portimão flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$689
(Scandinavian Airlines)

One-way from

$388
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$865
Provider with most accurate pricing for Washington, D.C. (WAS)-Faro flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Faro flights.
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From Washington, D.C. Dulles Intl to Portimão
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One-way flight from Washington, D.C. Dulles Intl to Portimão
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Highest demand for flights based on searches. 27% potential increase in price ($331 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Dulles Intl to Portimão

Cheapest flights from Dulles Intl to Portimão
Explore the most affordable flight options available from Dulles Intl to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2110:05 pmIAD - FAO
1 stop29h 45mScandinavian Airlines
Sat 5/310:15 amFAO - IAD
2 stops38h 44mScandinavian Airlines
Deal found 3/31$689
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/510:20 pmIAD - FAO
1 stop20h 30mMultiple Airlines
Mon 5/1212:25 pmFAO - IAD
2 stops31h 55mMultiple Airlines
Deal found 3/31$725
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:00 pmIAD - FAO
1 stop12h 25mTAP AIR PORTUGAL
Fri 10/176:05 amFAO - IAD
1 stop14h 15mTAP AIR PORTUGAL
Deal found 4/1$756
This SWISS deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/228:45 pmIAD - FAO
1 stop16h 25mSWISS
Thu 5/84:50 pmFAO - IAD
1 stop28h 25mSWISS
Deal found 3/31$807
This Air Canada deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/203:55 pmIAD - FAO
2 stops18h 10mAir Canada
Wed 4/303:25 pmFAO - IAD
2 stops53h 54mAir Canada
Deal found 3/31$819
This Lufthansa deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:10 pmIAD - FAO
1 stop13h 25mLufthansa
Mon 5/53:55 pmFAO - IAD
1 stop32h 30mLufthansa
Deal found 3/31$825
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/205:35 pmIAD - FAO
1 stop12h 45mUnited Airlines
Thu 5/83:25 pmFAO - IAD
1 stop29h 25mUnited Airlines
Deal found 3/31$838
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/258:25 pmIAD - FAO
1 stop17h 35mAer Lingus
Fri 5/911:40 amFAO - IAD
1 stop12h 15mAer Lingus
Deal found 3/31$862
This Brussels Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/265:35 pmIAD - FAO
1 stop12h 05mBrussels Airlines
Fri 5/912:10 pmFAO - IAD
1 stop30h 20mBrussels Airlines
Deal found 3/31$1,005

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Portimão 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 2,558,603 searches. Data last updated April 2, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Portimão that are best for you.

Fly from

Dulles Intl

Fly to

Portimão

Route

Depart

Return

Price

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Mon 4/21

10:05 pm-8:50 am

1 stop29h 45m

Faro

Sat 5/3

10:15 am-7:59 pm

2 stops38h 44m

$689

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Mon 5/5

10:20 pm-11:50 pm

1 stop20h 30m

Faro

Mon 5/12

12:25 pm-3:20 pm

2 stops31h 55m

$725

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Wed 8/27

10:20 pm-10:25 am

1 stop31h 05m

Faro

Tue 9/2

6:05 am-8:50 pm

1 stop19h 45m

$777

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Tue 4/22

8:45 pm-6:10 pm

1 stop16h 25m

Faro

Wed 4/30

6:55 pm-4:15 pm

1 stop26h 20m

$807

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Sun 4/20

3:55 pm-3:05 pm

2 stops18h 10m

Faro

Wed 4/30

3:25 pm-4:19 pm

2 stops53h 54m

$819

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Tue 4/22

6:10 pm-12:35 pm

1 stop13h 25m

Faro

Mon 5/5

3:55 pm-7:25 pm

1 stop32h 30m

$825

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Sun 4/20

5:35 pm-11:20 am

1 stop12h 45m

Faro

Tue 5/6

3:25 pm-3:50 pm

1 stop29h 25m

$838

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Fri 4/25

8:25 pm-7:00 pm

1 stop17h 35m

Faro

Fri 5/9

11:40 am-6:55 pm

1 stop12h 15m

$862

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Sat 4/26

5:35 pm-10:40 am

1 stop12h 05m

Faro

Fri 5/9

12:10 pm-1:30 pm

1 stop30h 20m

$1,005

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Mon 5/12

9:40 pm-11:50 pm

2 stops45h 10m

Faro

Thu 5/29

6:05 am-11:45 am

2 stops34h 40m

$1,146

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 17 results
1
2

Best time to book a flight from Dulles Intl to Portimão

Have a flexible travel schedule? Discover the best time to fly to Portimão 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Portimão

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Portimão?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Portimão (average of $628). Flying from Washington, D.C. Dulles Intl Airport to Portimão in June is currently the most expensive (average of $1,329). 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.

Rainfall in Portimão by month

Plan your trip to Portimão by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portimão ranges from 0.1 - 4.6 inches per month. December is typically the wettest month, when rainfall can reach 4.6 in. July is typically the driest time to visit Portimão when rainfall is around 0.1 in.

Temperature in Portimão by month

Plan your trip to Portimão by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portimão, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Portimão

Get insights into the airlines that provide service to Portimão. 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 Portimão. Reviews last updated April 2, 2025.
Read reviews from past customers who have flown SWISS, Air France and United Airlines from Washington, D.C. to Portimão. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,572 reviews

Entertainment

6.7

Boarding

7.6

Comfort

7.4

Food

7.0

Overall

7.5

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.5
Good
1,572 reviews
SWISS
7.5
Good
1,572 reviews

Entertainment

6.7

Boarding

7.6

Comfort

7.4

Food

7.0

Overall

7.5

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Air France
7.4
Good
1,425 reviews
SWISS
7.5
Good
1,572 reviews

Entertainment

6.7

Boarding

7.6

Comfort

7.4

Food

7.0

Overall

7.5

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
United Airlines
7.4
Good
8,616 reviews
SWISS
7.5
Good
1,572 reviews

Entertainment

6.7

Boarding

7.6

Comfort

7.4

Food

7.0

Overall

7.5

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Turkish Airlines
7.3
Good
3,748 reviews
SWISS
7.5
Good
1,572 reviews

Entertainment

6.7

Boarding

7.6

Comfort

7.4

Food

7.0

Overall

7.5

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Scandinavian Airlines
7.3
Good
1,328 reviews
SWISS
7.5
Good
1,572 reviews

Entertainment

6.7

Boarding

7.6

Comfort

7.4

Food

7.0

Overall

7.5

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Portimão. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Portimão are TAP AIR PORTUGAL ($466), SWISS ($622), and Scandinavian Airlines ($623).

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Portimão?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Portimão (average of $628). Flying from Washington, D.C. Dulles Intl Airport to Portimão in June is currently the most expensive (average of $1,329). 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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Top 3 airlines flying from Dulles Intl to Portimão

Discover the top 3 airlines that operate flights from Dulles Intl to Portimão. 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 2,558,603 searches. Data last updated April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$526Average$813FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$585Average$907FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$675Average$1,377FlexibilityNo cancel feeOn-time70%

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