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Cheap flights from Washington to Porto Santo from $1,518

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 to Porto Santo departing on 9/22. 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 to Porto Santo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 11:10 amSEA  Seattle/Tacoma Intl-PXO Porto Santo
43h 10m2 stops Toronto Pearson Intl Lisbon Humberto Delgado
Multiple Airlines Logo
2:55 pm - 9:04 pmPXO  Porto Santo-SEA Seattle/Tacoma Intl
38h 09m3 stops Porto Lisbon Humberto Delgado Toronto Pearson Intl
$1,518Multiple Airlines
Tue, Sep 22 - Tue, Sep 29
Turkish Airlines Logo
7:15 pm - 8:55 pmSEA  Seattle/Tacoma Intl-PXO Porto Santo
41h 40m2 stops Istanbul Lisbon Humberto Delgado
Turkish Airlines Logo
12:00 pm - 5:20 pmPXO  Porto Santo-SEA Seattle/Tacoma Intl
37h 20m2 stops Lisbon Humberto Delgado Istanbul
$1,558Turkish Airlines
Thu, Oct 15 - Mon, Oct 19
Turkish Airlines Logo
7:15 pm - 8:55 pmSEA  Seattle/Tacoma Intl-PXO Porto Santo
41h 40m2 stops Istanbul Lisbon Humberto Delgado
Turkish Airlines Logo
12:00 pm - 5:20 pmPXO  Porto Santo-SEA Seattle/Tacoma Intl
37h 20m2 stops Lisbon Humberto Delgado Istanbul
$1,559Turkish Airlines
Thu, Oct 15 - Mon, Oct 19
Turkish Airlines Logo
7:15 pm - 8:55 pmSEA  Seattle/Tacoma Intl-PXO Porto Santo
41h 40m2 stops Istanbul Lisbon Humberto Delgado
Turkish Airlines Logo
12:00 pm - 5:20 pmPXO  Porto Santo-SEA Seattle/Tacoma Intl
37h 20m2 stops Lisbon Humberto Delgado Istanbul
$1,583Turkish Airlines
Thu, Oct 15 - Mon, Oct 19
Multiple Airlines Logo
2:10 pm - 11:10 amSEA  Seattle/Tacoma Intl-PXO Porto Santo
37h 00m2 stops Frankfurt am Main Lisbon Humberto Delgado
Multiple Airlines Logo
12:00 pm - 4:59 pmPXO  Porto Santo-SEA Seattle/Tacoma Intl
36h 59m2 stops Lisbon Humberto Delgado Munich Franz Josef Strauss
$1,636Multiple Airlines
Fri, Sep 25 - Fri, Oct 9
Multiple Airlines Logo
7:00 pm - 11:10 amSEA  Seattle/Tacoma Intl-PXO Porto Santo
32h 10m3 stops Reykjavik Keflavik Intl Amsterdam Schiphol Lisbon Humberto Delgado
Multiple Airlines Logo
2:55 pm - 9:04 pmPXO  Porto Santo-SEA Seattle/Tacoma Intl
38h 09m3 stops Porto Lisbon Humberto Delgado Toronto Pearson Intl
$1,647Multiple Airlines
Tue, Sep 22 - Tue, Sep 29
Multiple Airlines Logo
5:50 am - 8:55 pmSEA  Seattle/Tacoma Intl-PXO Porto Santo
31h 05m3 stops Vancouver Intl Toronto Pearson Intl Lisbon Humberto Delgado
Multiple Airlines Logo
8:30 am - 12:20 pmPXO  Porto Santo-SEA Seattle/Tacoma Intl
35h 50m2 stops Funchal Madeira Frankfurt am Main
$1,748Multiple Airlines
Fri, Sep 25 - Fri, Oct 9
Multiple Airlines Logo
5:50 am - 8:55 pmSEA  Seattle/Tacoma Intl-PXO Porto Santo
31h 05m3 stops Vancouver Intl Toronto Pearson Intl Lisbon Humberto Delgado
Multiple Airlines Logo
12:00 pm - 4:00 pmPXO  Porto Santo-SEA Seattle/Tacoma Intl
36h 00m3 stops Lisbon Humberto Delgado Zurich Frankfurt am Main
$1,782Multiple Airlines
Fri, Sep 25 - Fri, Oct 9
Multiple Airlines Logo
2:35 pm - 7:25 pmSEA  Seattle/Tacoma Intl-PXO Porto Santo
20h 50m3 stops Reykjavik Keflavik Intl London Gatwick Funchal Madeira
Multiple Airlines Logo
8:25 am - 5:10 pmPXO  Porto Santo-SEA Seattle/Tacoma Intl
40h 45m3 stops Funchal Madeira Lisbon Humberto Delgado Istanbul
$2,418Multiple Airlines
Thu, Dec 31 - Tue, Jan 5
Multiple Airlines Logo
7:45 am - 7:25 pmSEA  Seattle/Tacoma Intl-PXO Porto Santo
27h 40m3 stops Toronto Pearson Intl Lisbon Humberto Delgado Funchal Madeira
Multiple Airlines Logo
8:00 pm - 8:59 pmPXO  Porto Santo-SEA Seattle/Tacoma Intl
32h 59m3 stops Funchal Madeira Lisbon Humberto Delgado Toronto Pearson Intl
$2,484Multiple Airlines
Sun, Dec 20 - Sat, Jan 2

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Turkish Airlines flights from State of Washington to Porto Santo

Our best Turkish Airlines deals on State of Washington to Porto Santo flight tickets
Turkish Airlines
Oct 15
SEA7:15 pmSeattle/Tacoma Intl
41h 40m
2 stops
PXO8:55 pmPorto Santo
Oct 19
PXO12:00 pmPorto Santo
37h 20m
2 stops
SEA5:20 pmSeattle/Tacoma Intl
$1,558
Turkish Airlines
Oct 15
SEA7:15 pmSeattle/Tacoma Intl
41h 40m
2 stops
PXO8:55 pmPorto Santo
Oct 19
PXO12:00 pmPorto Santo
37h 20m
2 stops
SEA5:20 pmSeattle/Tacoma Intl
$1,559
Turkish Airlines
Oct 15
SEA7:15 pmSeattle/Tacoma Intl
41h 40m
2 stops
PXO8:55 pmPorto Santo
Oct 19
PXO12:00 pmPorto Santo
37h 20m
2 stops
SEA5:20 pmSeattle/Tacoma Intl
$1,583

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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 August 9, 2026.
Use the filters below to find and compare flights from Washington to Porto Santo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePorto Santo

SEA Seattle/Tacoma Intl - PXO Porto Santo

SEAPXO

Seattle/Tacoma Intl

Tue 9/22

8:00 am-11:10 am

2 stops43h 10m

Porto Santo

Tue 9/29

2:55 pm-9:04 pm

3 stops38h 09m

$1,518

SeattlePorto Santo

SEA Seattle/Tacoma Intl - PXO Porto Santo

SEAPXO

Seattle/Tacoma Intl

Thu 10/15

7:15 pm-8:55 pm

2 stops41h 40m

Porto Santo

Mon 10/19

12:00 pm-5:20 pm

2 stops37h 20m

$1,558

SeattlePorto Santo

SEA Seattle/Tacoma Intl - PXO Porto Santo

SEAPXO

Seattle/Tacoma Intl

Thu 10/15

7:15 pm-8:55 pm

2 stops41h 40m

Porto Santo

Mon 10/19

12:00 pm-5:20 pm

2 stops37h 20m

$1,559

SeattlePorto Santo

SEA Seattle/Tacoma Intl - PXO Porto Santo

SEAPXO

Seattle/Tacoma Intl

Thu 10/15

7:15 pm-8:55 pm

2 stops41h 40m

Porto Santo

Mon 10/19

12:00 pm-5:20 pm

2 stops37h 20m

$1,583

SeattlePorto Santo

SEA Seattle/Tacoma Intl - PXO Porto Santo

SEAPXO

Seattle/Tacoma Intl

Fri 9/25

2:10 pm-11:10 am

2 stops37h 00m

Porto Santo

Fri 10/9

12:00 pm-4:59 pm

2 stops36h 59m

$1,636

SeattlePorto Santo

SEA Seattle/Tacoma Intl - PXO Porto Santo

SEAPXO

Seattle/Tacoma Intl

Tue 9/22

7:00 pm-11:10 am

3 stops32h 10m

Porto Santo

Tue 9/29

2:55 pm-9:04 pm

3 stops38h 09m

$1,647

SeattlePorto Santo

SEA Seattle/Tacoma Intl - PXO Porto Santo

SEAPXO

Seattle/Tacoma Intl

Fri 9/25

5:50 am-8:55 pm

3 stops31h 05m

Porto Santo

Fri 10/9

8:30 am-12:20 pm

2 stops35h 50m

$1,748

SeattlePorto Santo

SEA Seattle/Tacoma Intl - PXO Porto Santo

SEAPXO

Seattle/Tacoma Intl

Fri 9/25

5:50 am-8:55 pm

3 stops31h 05m

Porto Santo

Fri 10/9

12:00 pm-4:00 pm

3 stops36h 00m

$1,782

SeattlePorto Santo

SEA Seattle/Tacoma Intl - PXO Porto Santo

SEAPXO

Seattle/Tacoma Intl

Thu 12/31

2:35 pm-7:25 pm

3 stops20h 50m

Porto Santo

Tue 1/5

8:25 am-5:10 pm

3 stops40h 45m

$2,418
Quickest round-trip

SeattlePorto Santo

SEA Seattle/Tacoma Intl - PXO Porto Santo

SEAPXO

Seattle/Tacoma Intl

Sun 12/20

7:45 am-7:25 pm

3 stops27h 40m

Porto Santo

Sat 1/2

8:00 pm-8:59 pm

3 stops32h 59m

$2,484

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap State of Washington to Porto Santo flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Porto Santo

Fastest flight time

41h 40m

Direct flights

None
The fastest flight from State of Washington to Porto Santo takes 41h 40m
There are no direct flights from State of Washington to Porto Santo. There are no popular flight routes from State of Washington to Porto Santo.
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Frequently asked questions about flying from Washington to Porto Santo

  • When did momondo last update prices for flights from Washington to Porto Santo Airport?

    Prices for flights from Washington to Porto Santo Airport are updated daily.

  • How old do you have to be to fly from Washington to Porto Santo Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Porto Santo Airport.

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

    The travel and health documents you'll need for your trip to Porto Santo Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Santo Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Washington to Porto Santo

  • How do I get Price Alerts for flights from State of Washington to Porto Santo?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to State of Washington from Porto Santo. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from State of Washington 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?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Porto Santo?

It is quick and easy to find Washington to Porto Santo flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto Santo that suits you.

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

All flight searches from Washington to Porto Santo on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington to Porto Santo?

Once all potential Washington 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 to Porto Santo right now. Can momondo alert me if prices change?

Price alerts on flights to Porto Santo from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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