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Porto Santo

$1,267+ Cheap flights from Dulles Intl (IAD) to Porto Santo (PXO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PXO
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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Cheap flight deals from Dulles Intl to Porto Santo

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Porto Santo (PXO). 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 November 17, 2025.

Round-trip from

$1,267
(TAP AIR PORTUGAL)
From Washington, D.C. Dulles Intl to Porto Santo
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Cheapest flights from Dulles Intl to Porto Santo
Explore the most affordable flight options available from Dulles Intl to Porto Santo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.

This Trip.com deal was found by Cheapflights users on 11/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:30 pmIAD - PXO
2 stops20h 55mMultiple Airlines
Mon 12/228:00 pmPXO - IAD
2 stops23h 35mMultiple Airlines
Deal found 11/15$1,353

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Porto Santo 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 November 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Porto Santo that are best for you.

Fly from

Dulles Intl

Fly to

Porto Santo

Route

Depart

Return

Price

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Sun 3/29

5:40 pm-11:10 am

1 stop12h 30m

Porto Santo

Thu 4/2

12:00 pm-8:35 pm

1 stop13h 35m

$1,267

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Fri 1/30

8:45 pm-7:55 am

3 stops30h 10m

Porto Santo

Wed 2/4

8:30 am-8:30 pm

3 stops41h 00m

$1,281

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Thu 1/8

5:30 pm-7:55 am

3 stops33h 25m

Porto Santo

Tue 1/13

8:00 pm-9:00 pm

3 stops30h 00m

$1,448

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Best time to book a flight from Dulles Intl to Porto Santo

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

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Porto Santo (average of $532). Flying from Washington, D.C. Dulles Intl Airport to Porto Santo in July is currently the most expensive (average of $3,328). 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.

Related info for your journey

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

  • What airport do you fly into for flights to Porto Santo from Washington, D.C. Dulles Intl?

    Porto Santo (PXO), located 0.9 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Porto Santo. 0 airlines have flights to Porto Santo from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Porto Santo should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Porto Santo in 12h 30m. Fly via TAP AIR PORTUGAL to get the fastest option. Washington, D.C. Dulles Intl Airport and Porto Santo are separated by a distance of 3373 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Porto Santo 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 Porto Santo?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Porto Santo (average of $532). Flying from Washington, D.C. Dulles Intl Airport to Porto Santo in July is currently the most expensive (average of $3,328). 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.

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