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Algarve

$282+ Cheap flights from Dulles Intl (IAD) to Algarve

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FAO
Jun 10 — Jun 171
Tue 6/10
Tue 6/17
1 adult, Economy
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Cheap flight deals from Dulles Intl to Algarve

Keep the following information in mind while searching for Dulles Intl to Algarve flight deals. Data was last updated June 5, 2025.

Round-trip from

$544
(Mytrip)

One-way from

$282
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,121
From Washington, D.C. Dulles Intl to Algarve
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One-way flight from Washington, D.C. Dulles Intl to Algarve
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Highest demand for flights based on searches. 18% potential increase in price ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Dulles Intl to Algarve

Cheapest flights from Dulles Intl to Algarve
Explore the most affordable flight options available from Dulles Intl to Algarve. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2025.

This Mytrip deal was found by Cheapflights users on 6/5. 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 9/25:00 pmIAD - FAO
1 stop19h 20mTAP AIR PORTUGAL
Mon 9/156:05 amFAO - IAD
1 stop14h 15mTAP AIR PORTUGAL
Deal found 6/5$544
This Mytrip deal was found by Cheapflights users on 6/3. 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.
Mon 8/1810:20 pmIAD - FAO
2 stops13h 55mMultiple Airlines
Mon 8/258:10 pmFAO - IAD
2 stops29h 40mMultiple Airlines
Deal found 6/3$579
This FlightHub deal was found by Cheapflights users on 6/5. 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 11/268:30 pmIAD - FAO
2 stops57h 40mScandinavian Airlines
Sun 11/3010:30 amFAO - IAD
2 stops35h 45mScandinavian Airlines
Deal found 6/5$653
This Orbitz deal was found by Cheapflights users on 6/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/165:20 pmIAD - FAO
1 stop12h 10mAer Lingus
Sat 9/2710:45 pmFAO - IAD
1 stop22h 05mAer Lingus
Deal found 6/4$828
This Cheapflightsfares deal was found by Cheapflights users on 6/5. 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.
Tue 9/305:16 pmIAD - FAO
2 stops14h 54mLufthansa
Wed 10/82:00 pmFAO - IAD
2 stops28h 30mLufthansa
Deal found 6/5$834
This FlightHub deal was found by Cheapflights users on 6/5. 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.
Tue 10/211:30 pmIAD - FAO
2 stops29h 20mTurkish Airlines
Tue 11/411:15 amFAO - IAD
2 stops28h 55mTurkish Airlines
Deal found 6/5$875
This American Airlines deal was found by Cheapflights users on 6/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1210:45 pmIAD - FAO
2 stops30h 50mAmerican Airlines
Sat 10/188:00 pmFAO - IAD
1 stop29h 20mAmerican Airlines
Deal found 6/4$931
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Fri 12/125:15 pmIAD - FAO
1 stop14h 20mUnited Airlines
Sun 12/211:15 pmFAO - IAD
2 stops60h 14mUnited Airlines
Deal found 6/4$944
This FlightHub deal was found by Cheapflights users on 6/5. 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.
Tue 12/169:55 amIAD - FAO
2 stops24h 50mAir Canada
Tue 1/66:05 amFAO - IAD
2 stops18h 34mAir Canada
Deal found 6/5$981
This KLM deal was found by Cheapflights users on 6/4. 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 9/167:50 pmIAD - FAO
2 stops18h 20mKLM
Sat 9/279:55 pmFAO - IAD
1 stop22h 40mKLM
Deal found 6/4$984
This British Airways deal was found by Cheapflights users on 6/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/110:40 pmIAD - FAO
1 stop15h 30mBritish Airways
Wed 7/98:00 pmFAO - IAD
1 stop29h 10mBritish Airways
Deal found 6/5$1,045

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Algarve 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 June 5, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Algarve that are best for you.

Fly from

Dulles Intl

Fly to

Algarve

Route

Depart

Return

Price

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Tue 9/2

5:00 pm-5:20 pm

1 stop19h 20m

Faro

Mon 9/15

6:05 am-3:20 pm

1 stop14h 15m

$544

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Mon 8/18

10:20 pm-5:15 pm

2 stops13h 55m

Faro

Mon 8/25

8:10 pm-8:50 pm

2 stops29h 40m

$579

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Wed 11/26

8:30 pm-11:10 am

2 stops57h 40m

Faro

Sun 11/30

10:30 am-5:15 pm

2 stops35h 45m

$653

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Tue 9/16

5:20 pm-10:30 am

1 stop12h 10m

Faro

Sat 9/27

10:45 pm-3:50 pm

1 stop22h 05m

$828

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Tue 9/30

5:16 pm-1:10 pm

2 stops14h 54m

Faro

Wed 10/8

2:00 pm-1:30 pm

2 stops28h 30m

$834

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Tue 10/21

1:30 pm-11:50 pm

2 stops29h 20m

Faro

Tue 11/4

11:15 am-11:10 am

2 stops28h 55m

$875

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Sun 10/12

10:45 pm-10:35 am

2 stops30h 50m

Faro

Sat 10/18

8:00 pm-8:20 pm

1 stop29h 20m

$931

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Wed 11/26

5:15 pm-12:20 pm

1 stop14h 05m

Faro

Sun 11/30

1:15 pm-8:29 pm

2 stops60h 14m

$959

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Tue 9/16

7:50 pm-7:10 pm

2 stops18h 20m

Faro

Sat 9/27

9:55 pm-3:35 pm

1 stop22h 40m

$984

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Tue 7/1

10:40 pm-7:10 pm

1 stop15h 30m

Faro

Wed 7/9

8:00 pm-8:10 pm

1 stop29h 10m

$1,045

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 17 results
1
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Best time to book a flight from Dulles Intl to Algarve

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

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Algarve (average of $628). Flying from Washington, D.C. Dulles Intl Airport to Algarve in June is currently the most expensive (average of $1,316). 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 Algarve by month

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

In terms of precipitation, rainfall in Algarve 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 Algarve when rainfall is around 0.1 in.

Temperature in Algarve by month

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

If weather is an important factor for your trip to Algarve, 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 Algarve

Get insights into the airlines that provide service to Algarve. 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 Algarve. Reviews last updated June 5, 2025.
Get a feel of what it's like to fly with Delta, KLM and SWISS from Washington, D.C. to Algarve by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,956 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,352 reviews
Delta
8.0
Very good
7,956 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,613 reviews
Delta
8.0
Very good
7,956 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,774 reviews
Delta
8.0
Very good
7,956 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,839 reviews
Delta
8.0
Very good
7,956 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Algarve. 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 Algarve one-way?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $330. Users have also found prices from $601 and $653 on Delta and United Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Algarve 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 Algarve?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Algarve (average of $628). Flying from Washington, D.C. Dulles Intl Airport to Algarve in June is currently the most expensive (average of $1,316). 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 2 airlines flying from Dulles Intl to Algarve

Discover the top 2 airlines that operate flights from Dulles Intl to Algarve. 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 June 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$526Average$869FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$788Average$1,004FlexibilityNo cancel feeOn-timeN/A

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