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Cheap flights from Washington, D.C. Dulles Intl Airport to Porto Santo from $456

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 4/17. 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
5:05 pm - 8:55 pm
IAD
-
PXO
22h 50m
1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 9:04 pm
PXO
-
IAD
38h 04m
2 stops
$1,093TAP AIR PORTUGAL
Fri, Apr 17 - Sun, Apr 26
TAP AIR PORTUGAL Logo
5:05 pm - 8:55 pm
IAD
-
PXO
22h 50m
1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 8:35 pm
PXO
-
IAD
13h 35m
1 stop
$1,317TAP AIR PORTUGAL
Fri, Apr 17 - Sun, Apr 26
Multiple Airlines Logo
9:45 pm - 11:10 am
IAD
-
PXO
56h 25m
2 stops
Multiple Airlines Logo
12:00 pm - 11:35 am
PXO
-
IAD
52h 35m
2 stops
$1,325Multiple Airlines
Fri, Apr 17 - Sun, Apr 26
Multiple Airlines Logo
10:50 pm - 11:10 am
IAD
-
PXO
31h 20m
1 stop
Multiple Airlines Logo
8:00 pm - 8:05 pm
PXO
-
IAD
29h 05m
2 stops
$1,513Multiple Airlines
Fri, Apr 10 - Fri, Apr 17
Multiple Airlines Logo
8:20 pm - 7:55 am
IAD
-
PXO
30h 35m
3 stops
Multiple Airlines Logo
12:00 pm - 5:00 pm
PXO
-
IAD
34h 00m
2 stops
$1,570Multiple Airlines
Thu, May 21 - Fri, May 29
Multiple Airlines Logo
5:15 pm - 8:55 pm
IAD
-
PXO
46h 40m
3 stops
Multiple Airlines Logo
12:00 pm - 7:00 pm
PXO
-
IAD
36h 00m
3 stops
$1,644Multiple Airlines
Thu, May 21 - Fri, May 29
Multiple Airlines Logo
10:50 pm - 8:55 pm
IAD
-
PXO
17h 05m
1 stop
Multiple Airlines Logo
8:00 pm - 8:05 pm
PXO
-
IAD
29h 05m
3 stops
$1,764Multiple Airlines
Fri, Apr 10 - Fri, Apr 17
TAP AIR PORTUGAL Logo
5:45 pm - 11:10 am
IAD
-
PXO
12h 25m
1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 8:35 pm
PXO
-
IAD
13h 35m
1 stop
$1,842TAP AIR PORTUGAL
Thu, May 21 - Fri, May 29
Turkish Airlines Logo
1:20 pm - 8:55 pm
IAD
-
PXO
50h 35m
2 stops
Turkish Airlines Logo
12:00 pm - 11:35 am
PXO
-
IAD
28h 35m
2 stops
$1,911Turkish Airlines
Thu, May 21 - Fri, May 29
TAP AIR PORTUGAL Logo
5:45 pm - 11:10 am
IAD
-
PXO
12h 25m
1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 7:22 am
PXO
-
IAD
24h 22m
2 stops
$1,955TAP AIR PORTUGAL
Thu, May 21 - Fri, May 29

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
Apr 17
IAD5:05 pmWashington, D.C. Dulles Intl
22h 50m
1 stop
PXO8:55 pmPorto Santo
Apr 26
PXO12:00 pmPorto Santo
38h 04m
2 stops
IAD9:04 pmWashington, D.C. Dulles Intl
$1,093
TAP AIR PORTUGAL
Apr 17
IAD5:05 pmWashington, D.C. Dulles Intl
22h 50m
1 stop
PXO8:55 pmPorto Santo
Apr 26
PXO12:00 pmPorto Santo
13h 35m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$1,317
TAP AIR PORTUGAL
May 21
IAD5:45 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
PXO11:10 amPorto Santo
May 29
PXO12:00 pmPorto Santo
13h 35m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$1,842

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 February 27, 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

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Fri 4/17

5:05 pm-8:55 pm

1 stop22h 50m

Porto Santo

Sun 4/26

12:00 pm-9:04 pm

2 stops38h 04m

$1,093

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Fri 4/17

5:05 pm-8:55 pm

1 stop22h 50m

Porto Santo

Sun 4/26

12:00 pm-8:35 pm

1 stop13h 35m

$1,317

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Fri 4/17

9:45 pm-11:10 am

2 stops56h 25m

Porto Santo

Sun 4/26

12:00 pm-11:35 am

2 stops52h 35m

$1,325

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Fri 4/10

10:50 pm-11:10 am

1 stop31h 20m

Porto Santo

Fri 4/17

8:00 pm-8:05 pm

2 stops29h 05m

$1,513

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Thu 5/21

8:20 pm-7:55 am

3 stops30h 35m

Porto Santo

Fri 5/29

12:00 pm-5:00 pm

2 stops34h 00m

$1,570

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Thu 5/21

5:15 pm-8:55 pm

3 stops46h 40m

Porto Santo

Fri 5/29

12:00 pm-7:00 pm

3 stops36h 00m

$1,644

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Fri 4/10

10:50 pm-8:55 pm

1 stop17h 05m

Porto Santo

Fri 4/17

8:00 pm-8:05 pm

3 stops29h 05m

$1,764

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Thu 5/21

5:45 pm-11:10 am

1 stop12h 25m

Porto Santo

Fri 5/29

12:00 pm-8:35 pm

1 stop13h 35m

$1,842

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Thu 5/21

1:20 pm-8:55 pm

2 stops50h 35m

Porto Santo

Fri 5/29

12:00 pm-11:35 am

2 stops28h 35m

$1,911

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Thu 5/21

5:45 pm-11:10 am

1 stop12h 25m

Porto Santo

Fri 5/29

12:00 pm-7:22 am

2 stops24h 22m

$1,955

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 is the most popular carrier 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

22h 50m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Porto Santo takes 22h 50m
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

  • 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 22h 50m, 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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