Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Porto Santo from $812

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 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Porto Santo

Cheap round-trip flights

TAP AIR PORTUGAL Logo
5:50 pm - 11:10 amIAD-PXO
12h 20m1 stop
TAP AIR PORTUGAL Logo
10:10 pm - 3:20 pmPXO-IAD
22h 10m1 stop
$812TAP AIR PORTUGAL
Find Deal
mié., oct. 15 - lun., oct. 20
TAP AIR PORTUGAL Logo
5:45 pm - 11:10 amIAD-PXO
12h 25m1 stop
TAP AIR PORTUGAL Logo
10:10 pm - 3:20 pmPXO-IAD
22h 10m1 stop
$860TAP AIR PORTUGAL
Find Deal
lun., sep. 22 - lun., sep. 29
Logo
5:50 pm - 2:30 pmIAD-PXO
15h 40m2 stops
Logo
10:10 pm - 8:50 pmPXO-IAD
27h 40m1 stop
$977
Find Deal
mié., oct. 15 - lun., oct. 20
Logo
5:50 pm - 2:30 pmIAD-PXO
15h 40m2 stops
Logo
7:30 pm - 8:50 pmPXO-IAD
30h 20m2 stops
$1,004
Find Deal
mié., oct. 15 - lun., oct. 20
Logo
10:05 pm - 11:10 amIAD-PXO
32h 05m3 stops
Logo
10:10 pm - 7:59 pmPXO-IAD
26h 49m3 stops
$1,095
Find Deal
mié., oct. 15 - lun., oct. 20
Logo
10:20 am - 2:30 pmIAD-PXO
23h 10m3 stops
Logo
7:30 pm - 8:50 pmPXO-IAD
30h 20m2 stops
$1,107
Find Deal
mié., oct. 15 - lun., oct. 20
TAP AIR PORTUGAL Logo
5:45 pm - 11:10 amIAD-PXO
12h 25m1 stop
TAP AIR PORTUGAL Logo
10:10 pm - 9:11 pmPXO-IAD
28h 01m2 stops
$1,333TAP AIR PORTUGAL
Find Deal
lun., sep. 22 - lun., sep. 29
Turkish Airlines Logo
1:30 pm - 8:50 pmIAD-PXO
50h 20m2 stops
Turkish Airlines Logo
12:00 pm - 11:45 amPXO-IAD
52h 45m2 stops
$1,342Turkish Airlines
Find Deal
jue., sep. 25 - mar., sep. 30
TAP AIR PORTUGAL Logo
5:50 pm - 11:10 amIAD-PXO
12h 20m1 stop
TAP AIR PORTUGAL Logo
12:00 pm - 8:50 pmPXO-IAD
13h 50m1 stop
$1,385TAP AIR PORTUGAL
Find Deal
jue., sep. 25 - mar., sep. 30
Logo
8:28 am - 11:10 amIAD-PXO
21h 42m2 stops
Logo
12:00 pm - 9:05 pmPXO-IAD
38h 05m3 stops
$1,417
Find Deal
jue., sep. 25 - mar., sep. 30

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
Oct 15
IAD5:50 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
PXO11:10 amPorto Santo
Oct 20
PXO10:10 pmPorto Santo
22h 10m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl
$812
Find similar
TAP AIR PORTUGAL
Sep 22
IAD5:45 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
PXO11:10 amPorto Santo
Sep 29
PXO10:10 pmPorto Santo
22h 10m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl
$860
Find similar
TAP AIR PORTUGAL
Sep 22
IAD5:45 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
PXO11:10 amPorto Santo
Sep 29
PXO10:10 pmPorto Santo
28h 01m
2 stops
IAD9:11 pmWashington, D.C. Dulles Intl
$1,333
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 septiembre 11, 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

mié. 10/15

5:50 pm-11:10 am

1 stop12h 20m

Porto Santo

lun. 10/20

10:10 pm-3:20 pm

1 stop22h 10m

$812

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

lun. 9/22

5:45 pm-11:10 am

1 stop12h 25m

Porto Santo

lun. 9/29

10:10 pm-3:20 pm

1 stop22h 10m

$860

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

mié. 10/15

5:50 pm-2:30 pm

2 stops15h 40m

Porto Santo

lun. 10/20

10:10 pm-8:50 pm

1 stop27h 40m

$977

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

mié. 10/15

5:50 pm-2:30 pm

2 stops15h 40m

Porto Santo

lun. 10/20

7:30 pm-8:50 pm

2 stops30h 20m

$1,004

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

mié. 10/15

10:05 pm-11:10 am

3 stops32h 05m

Porto Santo

lun. 10/20

10:10 pm-7:59 pm

3 stops26h 49m

$1,095

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

mié. 10/15

10:20 am-2:30 pm

3 stops23h 10m

Porto Santo

lun. 10/20

7:30 pm-8:50 pm

2 stops30h 20m

$1,107

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

lun. 9/22

5:45 pm-11:10 am

1 stop12h 25m

Porto Santo

lun. 9/29

10:10 pm-9:11 pm

2 stops28h 01m

$1,333

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

jue. 9/25

1:30 pm-8:50 pm

2 stops50h 20m

Porto Santo

mar. 9/30

12:00 pm-11:45 am

2 stops52h 45m

$1,342

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

jue. 9/25

5:50 pm-11:10 am

1 stop12h 20m

Porto Santo

mar. 9/30

12:00 pm-8:50 pm

1 stop13h 50m

$1,385

Washington, D.C.Porto Santo

IAD - PXO

IADPXO

Washington, D.C. Dulles Intl

jue. 9/25

8:28 am-11:10 am

2 stops21h 42m

Porto Santo

mar. 9/30

12:00 pm-9:05 pm

3 stops38h 05m

$1,417

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.
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 12h 20m, 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.

An easier way to manage your Porto Santo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 10/11
sáb. 10/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Airports servicing Madeira

Funchal Madeira Airport