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Cheap flights from Washington, D.C. Dulles Intl Airport to Porto Santo from $503

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 7/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
5:45 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
$855TAP AIR PORTUGAL
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
5:45 pm - 11:10 am
IAD
-
PXO
12h 25m
1 stop
Multiple Airlines Logo
8:30 am - 8:35 pm
PXO
-
IAD
17h 05m
2 stops
$1,121Multiple Airlines
Thu, Oct 15 - Wed, Oct 21
TAP AIR PORTUGAL Logo
8:33 am - 11:10 am
IAD
-
PXO
21h 37m
2 stops
TAP AIR PORTUGAL Logo
12:00 pm - 8:35 pm
PXO
-
IAD
13h 35m
1 stop
$1,164TAP AIR PORTUGAL
Wed, Sep 30 - Wed, Oct 7
TAP AIR PORTUGAL Logo
10:35 pm - 11:10 am
IAD
-
PXO
31h 35m
1 stop
TAP AIR PORTUGAL Logo
10:10 pm - 8:35 pm
PXO
-
IAD
27h 25m
1 stop
$1,221TAP AIR PORTUGAL
Mon, Aug 10 - Mon, Aug 17
Multiple Airlines Logo
5:55 pm - 7:25 pm
IAD
-
PXO
20h 30m
3 stops
Multiple Airlines Logo
8:00 pm - 8:25 pm
PXO
-
IAD
29h 25m
3 stops
$1,274Multiple Airlines
Thu, Oct 15 - Wed, Oct 21
Multiple Airlines Logo
9:45 am - 2:30 pm
IAD
-
PXO
23h 45m
2 stops
Multiple Airlines Logo
8:00 pm - 8:25 pm
PXO
-
IAD
29h 25m
3 stops
$1,331Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
TAP AIR PORTUGAL Logo
5:40 pm - 9:20 pm
IAD
-
PXO
22h 40m
1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 8:35 pm
PXO
-
IAD
13h 35m
1 stop
$1,366TAP AIR PORTUGAL
Sun, Aug 30 - Thu, Sep 3
TAP AIR PORTUGAL Logo
5:40 pm - 9:20 pm
IAD
-
PXO
22h 40m
1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 8:35 pm
PXO
-
IAD
13h 35m
1 stop
$1,367TAP AIR PORTUGAL
Sun, Aug 30 - Thu, Sep 3
Multiple Airlines Logo
5:17 pm - 7:25 pm
IAD
-
PXO
21h 08m
3 stops
Multiple Airlines Logo
8:00 pm - 8:25 pm
PXO
-
IAD
29h 25m
3 stops
$1,368Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
5:45 pm - 7:25 pm
IAD
-
PXO
20h 40m
2 stops
Multiple Airlines Logo
8:30 am - 8:35 pm
PXO
-
IAD
17h 05m
2 stops
$1,385Multiple Airlines
Thu, Oct 15 - Wed, Oct 21

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Turkish Airlines flights from Washington, D.C. Dulles Intl Airport to Porto Santo

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Porto Santo flight tickets
Turkish Airlines
Oct 10
IAD9:45 pmWashington, D.C. Dulles Intl
42h 35m
2 stops
PXO9:20 pmPorto Santo
Oct 14
PXO12:00 pmPorto Santo
36h 50m
2 stops
IAD7:50 pmWashington, D.C. Dulles Intl
$1,406
Turkish Airlines
Aug 30
IAD1:20 pmWashington, D.C. Dulles Intl
27h 00m
2 stops
PXO9:20 pmPorto Santo
Sep 3
PXO12:00 pmPorto Santo
28h 35m
2 stops
IAD11:35 amWashington, D.C. Dulles Intl
$1,663
Turkish Airlines
Aug 30
IAD1:20 pmWashington, D.C. Dulles Intl
27h 00m
2 stops
PXO9:20 pmPorto Santo
Sep 3
PXO12:00 pmPorto Santo
28h 35m
2 stops
IAD11:35 amWashington, D.C. Dulles Intl
$1,664

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
Sep 30
IAD5:45 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
PXO11:10 amPorto Santo
Oct 7
PXO12:00 pmPorto Santo
13h 35m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$855
TAP AIR PORTUGAL
Sep 30
IAD8:33 amWashington, D.C. Dulles Intl
21h 37m
2 stops
PXO11:10 amPorto Santo
Oct 7
PXO12:00 pmPorto Santo
13h 35m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$1,164
TAP AIR PORTUGAL
Aug 10
IAD10:35 pmWashington, D.C. Dulles Intl
31h 35m
1 stop
PXO11:10 amPorto Santo
Aug 17
PXO10:10 pmPorto Santo
27h 25m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$1,221

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 July 13, 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
Quickest round-trip

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Wed 9/30

5:45 pm-11:10 am

1 stop12h 25m

Porto Santo

Wed 10/7

12:00 pm-8:35 pm

1 stop13h 35m

$855

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Thu 10/15

5:45 pm-11:10 am

1 stop12h 25m

Porto Santo

Wed 10/21

8:30 am-8:35 pm

2 stops17h 05m

$1,121

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Wed 9/30

8:33 am-11:10 am

2 stops21h 37m

Porto Santo

Wed 10/7

12:00 pm-8:35 pm

1 stop13h 35m

$1,164

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Mon 8/10

10:35 pm-11:10 am

1 stop31h 35m

Porto Santo

Mon 8/17

10:10 pm-8:35 pm

1 stop27h 25m

$1,221

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Thu 10/15

5:55 pm-7:25 pm

3 stops20h 30m

Porto Santo

Wed 10/21

8:00 pm-8:25 pm

3 stops29h 25m

$1,274

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Wed 9/30

9:45 am-2:30 pm

2 stops23h 45m

Porto Santo

Wed 10/7

8:00 pm-8:25 pm

3 stops29h 25m

$1,331

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Sun 8/30

5:40 pm-9:20 pm

1 stop22h 40m

Porto Santo

Thu 9/3

12:00 pm-8:35 pm

1 stop13h 35m

$1,366

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Sun 8/30

5:40 pm-9:20 pm

1 stop22h 40m

Porto Santo

Thu 9/3

12:00 pm-8:35 pm

1 stop13h 35m

$1,367

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Wed 9/30

5:17 pm-7:25 pm

3 stops21h 08m

Porto Santo

Wed 10/7

8:00 pm-8:25 pm

3 stops29h 25m

$1,368

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Thu 10/15

5:45 pm-7:25 pm

2 stops20h 40m

Porto Santo

Wed 10/21

8:30 am-8:35 pm

2 stops17h 05m

$1,385

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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.

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

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Porto Santo?

    Confirm your travel details to search for the latest offers for flights from Washington, D.C. Dulles Intl Airport to Porto Santo. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Washington, D.C. Dulles Intl Airport to Porto Santo with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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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