$257 Find Cheap Flights from Washington Dulles Airport to Algarve

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Algarve departing on 3/15. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Algarve

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Algarve, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Algarve, as well as popular online travel agencies
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Flight Deals

Book Cheap Dulles Intl to Algarve Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Algarve that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Algarve

Thu, Jan 29 - Sat, Feb 7
Scandinavian Airlines Logo
8:30 pm - 11:10 amIAD-FAO
33h 40m2 stops
Scandinavian Airlines Logo
12:00 pm - 5:15 pmFAO-IAD
58h 15m2 stops
$514Scandinavian Airlines
Find Deal
Thu, Jan 15 - Thu, Jan 22
TAP AIR PORTUGAL Logo
5:30 pm - 3:45 pmIAD-FAO
17h 15m1 stop
TAP AIR PORTUGAL Logo
6:05 am - 3:15 pmFAO-IAD
14h 10m1 stop
$526TAP AIR PORTUGAL
Find Deal
Thu, Jan 29 - Sat, Feb 7
TAP AIR PORTUGAL Logo
5:30 pm - 11:50 pmIAD-FAO
25h 20m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 9:00 pmFAO-IAD
33h 25m1 stop
$531TAP AIR PORTUGAL
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Sat, Mar 7 - Sat, Mar 14
TAP AIR PORTUGAL Logo
5:30 pm - 11:50 pmIAD-FAO
25h 20m1 stop
TAP AIR PORTUGAL Logo
6:05 am - 4:15 pmFAO-IAD
14h 10m1 stop
$537TAP AIR PORTUGAL
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Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
7:40 pm - 9:35 pmIAD-FAO
20h 55m2 stops
Multiple Airlines Logo
6:45 am - 6:30 pmFAO-IAD
16h 45m2 stops
$582Multiple Airlines
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Thu, Jan 29 - Sat, Feb 7
Multiple Airlines Logo
7:40 pm - 8:25 pmIAD-FAO
19h 45m2 stops
Multiple Airlines Logo
5:10 pm - 6:30 pmFAO-IAD
30h 20m3 stops
$586Multiple Airlines
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Thu, Jan 15 - Thu, Jan 22
Multiple Airlines Logo
4:30 pm - 8:25 pmIAD-FAO
22h 55m2 stops
Multiple Airlines Logo
5:45 pm - 3:50 pmFAO-IAD
27h 05m2 stops
$626Multiple Airlines
Find Deal
Thu, Jan 15 - Thu, Jan 22
Multiple Airlines Logo
9:45 am - 11:50 pmIAD-FAO
33h 05m3 stops
Multiple Airlines Logo
6:05 am - 8:54 pmFAO-IAD
19h 49m3 stops
$648Multiple Airlines
Find Deal
Thu, Jan 29 - Sat, Feb 7
Multiple Airlines Logo
7:40 pm - 11:10 amIAD-FAO
34h 30m3 stops
Multiple Airlines Logo
5:10 pm - 6:30 pmFAO-IAD
30h 20m3 stops
$665Multiple Airlines
Find Deal
Thu, Jan 15 - Thu, Jan 22
Multiple Airlines Logo
4:30 pm - 11:50 pmIAD-FAO
26h 20m3 stops
Multiple Airlines Logo
5:45 pm - 3:50 pmFAO-IAD
27h 05m2 stops
$672Multiple Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Dulles Intl to Algarve flights

Get data-powered insights and trends into flights from Dulles Intl to Algarve to help you find the cheapest flights, the best time to fly and much more.

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Algarve?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $467, prices are generally cheapest when you fly direct.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to Algarve, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Algarve is August, when tickets cost $596 (return) on average. On the other hand, the most expensive months are April and June, when the average cost of round-trip tickets is $1,458 and $1,435 respectively.

Good to know

Low seasonNovember
Cheapest flight$257
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly with an average 50% increase in price.
Flight from Washington Dulles Airport to Faro

FAQs - booking Algarve flights

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Algarve?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Algarve.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Algarve?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington Dulles Airport to Algarve is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Algarve?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Washington Dulles Airport to Algarve with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Algarve?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington Dulles Airport to Algarve up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Algarve?

    The cheapest time of day to fly to Algarve is generally at night, when round-trip flights cost $822 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Algarve is generally in the evening, which is peak travel time and where the average cost of a ticket is $865.

Reviews of the top airlines flying from Dulles Intl to Algarve

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Algarve. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Dulles Intl to Algarve? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
Aer LingusOverall score based on 1384 reviews
7.1Comfort
8.0Crew
7.4Boarding
6.9Entertainment
6.6Food
Airline reviews

Couldn’t check In online, message was couldn’t check in until Sunday morning though plane left Saturday night. Checked in okay at airport but caused slot if stress.

8.0 ExcellentAnonymous, Nov 2025IAD - DUB
Read more Aer Lingus reviews

Couldn’t check In online, message was couldn’t check in until Sunday morning though plane left Saturday night. Checked in okay at airport but caused slot if stress.

The biking process was confusing and I was called for a seat assignment from I number I repeatedly though was spam, but the flight itself was great

The same as I stated prior. We incurred extra costs that should be reimbursed, given we were not communicated with about schedule changes.

It was poor overall. They cancelled our flight and changed it without notifying us. So we incurred extra costs by having to book a hotel for our layover. They say it's Kayak/Underpricer's responsibility to reimburse us. But Kayak/Underpricer have said it's Aer Lingus' responsibility because they are the ones with our 'booking information.' I find this situation confusing and unacceptable.

I had zero issues with the flight. I did have issues with the staff at the airport. We missed out flight due to a delay with another airline. Talking to the staff and trying to get a new flight arranged was challenging. One guy was able to try to help us and got us on a new flight, but other staff was dismissive and clearly let us know it wasn’t their problem. All I kept thinking was… this is why air lingus has such a poor customer service reputation. I will be avoiding this airline in the future.

Incredible service. Incredible entertainment. I felt like they just kept serving us something new avery hour. My wife and I both had a joyous flight.

They out me in the baby row so I was surrounded by toddlers, they also did not send my luggage and was not able to book my connecting flight

Fast and sensible boarding was absolutely amazing. But extortionate wifi and seats that barely moved, making me unable to sleep, didn't do a lot of favors.

Excellent flight and crew. Boarding at Dublin Airport was a very difficult trying to find the right gate.

I liked the front row seats. A lot of leg room. The check-in window needs to be longer

Wonderful just hope the had more direct flights to Boston

Boarding process was fast and efficient. Short flight but on time and well organized. I would certainly fly TAP again.

Very borderline, low budget airline without low budget prices There are no counts of soda, everything is dispensed enlarged bottles and poured into tiny cups about 70 mL so in order to keep hydrated you have to take 3-4 cups at a time. Also, there was only one food item offered, pasta, they ran out of chicken right away. Snack was very poor. It was called tuna sandwich, which is truly borderline. The flight attend attendance seemed to be overworked and tired.

TAP‘s flight attendants seem to be among the least ambitious of all the international flight crews we’ve flown with. . When we left US and went to Portugal, and when we returned from Portugal, flight attendants were not very visible. Then did not offer frequent water breaks and when we had to go back to request water, I was almost an imposition. Meal quality was just average. The dinners were fine. Breakfast wraps were presented soggy.

Did not enjoy the meal provided. The aircraft was dirty. For instance, the screen seemed to have been cleaned with a dirty rag. Disgusting.

The business class seats were smaller and closer together than other airlines.

Boarding- Good Seat Comfort - OK Crew - Good Food - Mediocre On Time - Very Good

Didn't like much. Wheelchair assistance was almost nonexistent. No one at TAP check in process helpful. On the plane, stewards were not friendly and disorganized. Food was terrible for 8 hr flight. We were skipped at snack time and even though we tried to get attention using overhead call system no one even looked up at us to acknowledge. Being at the back of first section and by the lavatory we only were able to request when they came to pick up everyone else's garbage and they were nonchalant...no apology or even choice. The 1/2 half bread with slice of cheese was a waste. Deplaning was horrible but I'll blame lisbon airport for that. Plane left late at made good time still arrived about 15 behind schedule and for using remote deplaning and bus to terminal took another 20 min to gate. Those with connections were highly stressed. Took us 2 hrs from landing to get to ground transportation and exit airport. And that was with wheelchair assistance.

Bad boarding, threat to force bag check mid journey, lines, late, buses, more waiting awful end to end.

Check in was excellent thanks to the team at the check in counter. I was disappointed to see that one has to pay for coffee on the flight. This is the first time I have seen that after 60 years of flying.

Everything you need to know for your flight to Algarve

Information on your arrival and departure airports