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Cheap flights from Washington, D.C. Dulles Intl Airport to Porto Santo from $680

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Porto Santo departing on 8/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Porto Santo

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
10:35 pm - 11:10 am
IAD
-
PXO
31h 35m
1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 8:35 pm
PXO
-
IAD
13h 35m
1 stop
$1,108TAP AIR PORTUGAL
Wed, Jul 15 - Wed, Jul 22
TAP AIR PORTUGAL Logo
10:35 pm - 11:10 am
IAD
-
PXO
31h 35m
1 stop
TAP AIR PORTUGAL Logo
11:40 am - 8:35 pm
PXO
-
IAD
13h 55m
1 stop
$1,298TAP AIR PORTUGAL
Wed, Jul 15 - Tue, Jul 21
TAP AIR PORTUGAL Logo
5:05 pm - 11:10 am
IAD
-
PXO
13h 05m
1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 8:35 pm
PXO
-
IAD
13h 35m
1 stop
$1,354TAP AIR PORTUGAL
Tue, Jul 14 - Wed, Jul 22
TAP AIR PORTUGAL Logo
10:35 pm - 11:10 am
IAD
-
PXO
31h 35m
1 stop
TAP AIR PORTUGAL Logo
10:10 pm - 3:10 pm
PXO
-
IAD
22h 00m
1 stop
$1,358TAP AIR PORTUGAL
Mon, Jul 13 - Mon, Jul 20
TAP AIR PORTUGAL Logo
10:35 pm - 9:20 pm
IAD
-
PXO
17h 45m
1 stop
TAP AIR PORTUGAL Logo
10:10 pm - 3:10 pm
PXO
-
IAD
22h 00m
1 stop
$1,424TAP AIR PORTUGAL
Sun, Jul 12 - Mon, Jul 20
TAP AIR PORTUGAL Logo
10:35 pm - 11:10 am
IAD
-
PXO
31h 35m
1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 8:35 pm
PXO
-
IAD
13h 35m
1 stop
$1,428TAP AIR PORTUGAL
Wed, Jul 15 - Thu, Jul 23
TAP AIR PORTUGAL Logo
10:35 pm - 11:10 am
IAD
-
PXO
31h 35m
1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 7:22 am
PXO
-
IAD
24h 22m
2 stops
$1,453TAP AIR PORTUGAL
Wed, Jul 15 - Wed, Jul 22
TAP AIR PORTUGAL Logo
10:35 pm - 11:10 am
IAD
-
PXO
31h 35m
1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 3:10 pm
PXO
-
IAD
32h 10m
1 stop
$1,455TAP AIR PORTUGAL
Wed, Jul 15 - Fri, Jul 24
TAP AIR PORTUGAL Logo
5:05 pm - 11:10 am
IAD
-
PXO
13h 05m
1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 8:35 pm
PXO
-
IAD
13h 35m
1 stop
$1,484TAP AIR PORTUGAL
Tue, Jul 14 - Thu, Jul 23
TAP AIR PORTUGAL Logo
10:35 pm - 11:10 am
IAD
-
PXO
31h 35m
1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 8:35 pm
PXO
-
IAD
13h 35m
1 stop
$1,488TAP AIR PORTUGAL
Mon, Jul 13 - Thu, Jul 23

TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to Porto Santo

Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport to Porto Santo flight tickets
TAP AIR PORTUGAL
Jul 15
IAD10:35 pmWashington, D.C. Dulles Intl
31h 35m
1 stop
PXO11:10 amPorto Santo
Jul 22
PXO12:00 pmPorto Santo
13h 35m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$1,108
TAP AIR PORTUGAL
Jul 15
IAD10:35 pmWashington, D.C. Dulles Intl
31h 35m
1 stop
PXO11:10 amPorto Santo
Jul 20
PXO10:10 pmPorto Santo
22h 00m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
$1,298
TAP AIR PORTUGAL
Jul 14
IAD5:05 pmWashington, D.C. Dulles Intl
13h 05m
1 stop
PXO11:10 amPorto Santo
Jul 20
PXO10:10 pmPorto Santo
27h 25m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$1,354

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated June 1, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Wed 7/15

10:35 pm-11:10 am

1 stop31h 35m

Porto Santo

Wed 7/22

12:00 pm-8:35 pm

1 stop13h 35m

$1,108

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Wed 7/15

10:35 pm-11:10 am

1 stop31h 35m

Porto Santo

Tue 7/21

11:40 am-8:35 pm

1 stop13h 55m

$1,298
Quickest round-trip

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Tue 7/14

5:05 pm-11:10 am

1 stop13h 05m

Porto Santo

Wed 7/22

12:00 pm-8:35 pm

1 stop13h 35m

$1,354

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Mon 7/13

10:35 pm-11:10 am

1 stop31h 35m

Porto Santo

Mon 7/20

10:10 pm-3:10 pm

1 stop22h 00m

$1,358

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Sun 7/12

10:35 pm-9:20 pm

1 stop17h 45m

Porto Santo

Mon 7/20

10:10 pm-3:10 pm

1 stop22h 00m

$1,424

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Wed 7/15

10:35 pm-11:10 am

1 stop31h 35m

Porto Santo

Thu 7/23

12:00 pm-8:35 pm

1 stop13h 35m

$1,428

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Wed 7/15

10:35 pm-11:10 am

1 stop31h 35m

Porto Santo

Wed 7/22

12:00 pm-7:22 am

2 stops24h 22m

$1,453

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Wed 7/15

10:35 pm-11:10 am

1 stop31h 35m

Porto Santo

Fri 7/24

12:00 pm-3:10 pm

1 stop32h 10m

$1,455

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Tue 7/14

5:05 pm-11:10 am

1 stop13h 05m

Porto Santo

Thu 7/23

12:00 pm-8:35 pm

1 stop13h 35m

$1,484

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Mon 7/13

10:35 pm-11:10 am

1 stop31h 35m

Porto Santo

Thu 7/23

12:00 pm-8:35 pm

1 stop13h 35m

$1,488

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Porto Santo from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Porto Santo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Porto Santo?

TAP AIR PORTUGAL and Turkish Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Porto Santo

When to book flights from Washington, D.C. Dulles Intl Airport to Porto Santo

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Porto Santo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Porto Santo (IAD to PXO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Porto Santo

Fastest flight time

12h 25m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Porto Santo takes 12h 25m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Porto Santo. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Porto Santo.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Porto Santo

  • How far is Washington, D.C. Dulles Intl to Porto Santo by plane?

    Washington, D.C. Dulles Intl and Porto Santo are 3373.7 mi apart from one another. Flights usually cover this in 12h 25m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Porto Santo Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Porto Santo Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Porto Santo Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Porto Santo Airport.

  • What documentation or ID do you need to fly to Porto Santo Airport?

    The required travel and health documents for your Porto Santo Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Santo Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Porto Santo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Porto Santo. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Porto Santo with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Porto Santo flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Porto Santo?

Once all potential Washington, D.C. to Porto Santo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Porto Santo right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Porto Santo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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