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Cheap flights from Washington, D.C. Dulles Intl Airport to Porto Santo from $1,267

This is the cheapest round-trip 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 3/29. 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
5:40 pm - 11:10 amIAD-PXO
12h 30m1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 8:35 pmPXO-IAD
13h 35m1 stop
$1,267TAP AIR PORTUGAL
Find Deal
Sun, Mar 29 - Thu, Apr 2
TAP AIR PORTUGAL Logo
8:15 am - 11:10 amIAD-PXO
21h 55m2 stops
TAP AIR PORTUGAL Logo
12:00 pm - 8:35 pmPXO-IAD
13h 35m1 stop
$1,312TAP AIR PORTUGAL
Find Deal
Sun, Mar 29 - Thu, Apr 2
Multiple Airlines Logo
6:30 pm - 7:25 pmIAD-PXO
20h 55m2 stops
Multiple Airlines Logo
8:00 pm - 8:35 pmPXO-IAD
28h 35m2 stops
$1,476Multiple Airlines
Find Deal
Sat, Mar 21 - Sat, Mar 28
Multiple Airlines Logo
9:55 am - 7:25 pmIAD-PXO
29h 30m3 stops
Multiple Airlines Logo
8:30 am - 3:05 pmPXO-IAD
34h 35m3 stops
$1,485Multiple Airlines
Find Deal
Sat, Mar 21 - Sat, Mar 28
TAP AIR PORTUGAL Logo
8:15 am - 11:10 amIAD-PXO
21h 55m2 stops
TAP AIR PORTUGAL Logo
12:00 pm - 11:00 pmPXO-IAD
40h 00m2 stops
$1,569TAP AIR PORTUGAL
Find Deal
Sun, Mar 29 - Thu, Apr 2
Multiple Airlines Logo
6:30 pm - 7:25 pmIAD-PXO
20h 55m2 stops
Multiple Airlines Logo
8:30 am - 3:05 pmPXO-IAD
34h 35m3 stops
$1,686Multiple Airlines
Find Deal
Sat, Mar 21 - Sat, Mar 28
Multiple Airlines Logo
5:05 pm - 7:35 pmIAD-PXO
21h 30m3 stops
Multiple Airlines Logo
8:30 am - 9:00 pmPXO-IAD
17h 30m2 stops
$2,653Multiple Airlines
Find Deal
Fri, Dec 19 - Fri, Dec 26
Multiple Airlines Logo
5:05 pm - 7:35 pmIAD-PXO
21h 30m3 stops
Multiple Airlines Logo
8:30 am - 7:30 pmPXO-IAD
40h 00m3 stops
$2,735Multiple Airlines
Find Deal
Fri, Dec 19 - Fri, Dec 26

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
Mar 29
IAD5:40 pmWashington, D.C. Dulles Intl
12h 30m
1 stop
PXO11:10 amPorto Santo
Apr 2
PXO12:00 pmPorto Santo
13h 35m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$1,267
Find similar
TAP AIR PORTUGAL
Mar 29
IAD8:15 amWashington, D.C. Dulles Intl
21h 55m
2 stops
PXO11:10 amPorto Santo
Apr 2
PXO12:00 pmPorto Santo
13h 35m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$1,312
Find similar
TAP AIR PORTUGAL
Mar 29
IAD8:15 amWashington, D.C. Dulles Intl
21h 55m
2 stops
PXO11:10 amPorto Santo
Apr 2
PXO12:00 pmPorto Santo
40h 00m
2 stops
IAD11:00 pmWashington, D.C. Dulles Intl
$1,569
Find similar

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 October 29, 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

Fly to

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

Sun 3/29

8:15 am-11:10 am

2 stops21h 55m

Porto Santo

Thu 4/2

12:00 pm-8:35 pm

1 stop13h 35m

$1,312

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Sat 3/21

6:30 pm-7:25 pm

2 stops20h 55m

Porto Santo

Sat 3/28

8:00 pm-8:35 pm

2 stops28h 35m

$1,476

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Sat 3/21

9:55 am-7:25 pm

3 stops29h 30m

Porto Santo

Sat 3/28

8:30 am-3:05 pm

3 stops34h 35m

$1,485

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Sun 3/29

8:15 am-11:10 am

2 stops21h 55m

Porto Santo

Thu 4/2

12:00 pm-11:00 pm

2 stops40h 00m

$1,569

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Sat 3/21

6:30 pm-7:25 pm

2 stops20h 55m

Porto Santo

Sat 3/28

8:30 am-3:05 pm

3 stops34h 35m

$1,686

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Fri 12/19

5:05 pm-7:35 pm

3 stops21h 30m

Porto Santo

Fri 12/26

8:30 am-9:00 pm

2 stops17h 30m

$2,653

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

Fri 12/19

5:05 pm-7:35 pm

3 stops21h 30m

Porto Santo

Fri 12/26

8:30 am-7:30 pm

3 stops40h 00m

$2,735

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Direct flights

None
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.
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  • 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 30m, 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.

  • 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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