Portimão

$393+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FAO
Jan 26 — Feb 21
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Portimão with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Portimão

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Portimão (P0T). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$502
(Gotogate)

One-way from

$393
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$647
From Washington, D.C. Dulles Intl to Portimão
One-way flight from Washington, D.C. Dulles Intl to Portimão
Highest demand for flights based on searches. 30% potential increase in price ($362 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
Average for round-trip flights in January 2025

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 January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1410:20 pmIAD - FAO
1 stop20h 30mTAP AIR PORTUGAL
Thu 5/2911:15 amFAO - IAD
1 stop14h 35mTAP AIR PORTUGAL
Deal found 1/20$491
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/210:05 pmIAD - FAO
2 stops54h 20mScandinavian Airlines
Wed 4/99:40 amFAO - IAD
1 stop15h 19mScandinavian Airlines
Deal found 1/21$516
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/18:30 pmIAD - FAO
2 stops20h 00mMultiple Airlines
Tue 4/86:20 amFAO - IAD
2 stops18h 00mMultiple Airlines
Deal found 1/20$536
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 3/126:50 pmIAD - FAO
1 stop13h 40mUnited Airlines
Thu 4/33:25 pmFAO - IAD
2 stops48h 49mUnited Airlines
Deal found 1/20$847
This Travelocity deal was found by Cheapflights users on 1/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:00 pmIAD - FAO
1 stop17h 00mAer Lingus
Fri 10/1011:40 amFAO - IAD
1 stop12h 15mAer Lingus
Deal found 1/20$849
This KLM deal was found by Cheapflights users on 1/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/412:05 pmIAD - FAO
2 stops16h 25mKLM
Tue 3/117:45 pmFAO - IAD
1 stop25h 00mKLM
Deal found 1/20$891
This Lufthansa deal was found by Cheapflights users on 1/20. 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.
Wed 11/55:50 pmIAD - FAO
1 stop13h 30mLufthansa
Sat 11/151:55 pmFAO - IAD
2 stops30h 55mLufthansa
Deal found 1/20$928
This Travelocity deal was found by Cheapflights users on 1/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:40 pmIAD - FAO
2 stops19h 30mBritish Airways
Fri 10/107:50 pmFAO - IAD
1 stop26h 45mBritish Airways
Deal found 1/20$1,008
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/138:40 pmIAD - FAO
2 stops23h 10mIcelandair
Thu 4/36:10 pmFAO - IAD
2 stops30h 10mIcelandair
Deal found 1/20$1,055
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:25 pmIAD - FAO
2 stops35h 55mSWISS
Sat 11/156:10 pmFAO - IAD
1 stop27h 20mSWISS
Deal found 1/20$1,126

Find flights from Dulles Intl to Portimão within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Wed 5/14

10:20 pm-11:50 pm

1 stop20h 30m

Faro

Thu 5/29

11:15 am-8:50 pm

1 stop14h 35m

$491

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Wed 4/2

10:05 pm-9:25 am

2 stops54h 20m

Faro

Wed 4/9

9:40 am-7:59 pm

1 stop15h 19m

$516

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Tue 4/1

8:30 pm-9:30 pm

2 stops20h 00m

Faro

Tue 4/8

6:20 am-7:20 pm

2 stops18h 00m

$536

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Wed 3/12

6:50 pm-12:30 pm

1 stop13h 40m

Faro

Thu 4/3

3:25 pm-11:14 am

2 stops48h 49m

$847

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Tue 3/4

12:05 pm-9:30 am

2 stops16h 25m

Faro

Tue 3/11

7:45 pm-4:45 pm

1 stop25h 00m

$891

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Mon 5/12

10:40 pm-10:30 am

2 stops30h 50m

Faro

Mon 5/26

9:10 am-8:10 pm

2 stops40h 00m

$1,015

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Thu 3/13

8:40 pm-11:50 pm

2 stops23h 10m

Faro

Thu 4/3

6:10 pm-7:20 pm

2 stops30h 10m

$1,055

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Mon 3/17

11:35 pm-11:20 am

2 stops31h 45m

Faro

Thu 4/17

4:50 pm-4:15 pm

1 stop28h 25m

$1,187

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Wed 3/12

10:25 pm-3:45 pm

2 stops61h 20m

Faro

Wed 4/2

1:40 pm-7:45 pm

2 stops35h 05m

$1,217

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Sat 3/22

7:00 am-12:25 pm

3 stops25h 25m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 14 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.

Travel insights for flights from Dulles Intl to Portimão

Get recent, data-driven insights about flights from Dulles Intl to Portimão including ideal travel times, pricing trends, and more.

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 January 21, 2025.
7.8
Good
1,341 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.8
Good
1,341 reviews
7.8
Good
1,341 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.5
Good
1,600 reviews
7.8
Good
1,341 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.4
Good
8,985 reviews
7.8
Good
1,341 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.3
Good
3,931 reviews
7.8
Good
1,341 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.3
Good
1,320 reviews
7.8
Good
1,341 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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.
  • 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

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.

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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$543Average$881FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$592Average$803FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$645Average$865FlexibilityNo cancel feeOn-timeN/A
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.