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Algarve

$287+ Cheap flights from Seattle (SEA) to Algarve

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FAO
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Seattle to Algarve

Cheapest flights from Seattle to Algarve
Explore the most affordable flight options available from Seattle to Algarve. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This KLM deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/203:05 pm
SEA
-
FAO
1 stop34h 00m
KLM
Mon 3/210:05 am
FAO
-
SEA
1 stop33h 30m
KLM
Deal found 1/23$483
This KLM deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:20 am
SEA
-
FAO
2 stops19h 15m
KLM
Wed 3/186:55 pm
FAO
-
SEA
1 stop24h 40m
KLM
Deal found 1/25$488
This Ovago deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:00 am
SEA
-
FAO
2 stops21h 40m
Multiple Airlines
Wed 3/182:10 pm
FAO
-
SEA
2 stops30h 00m
Multiple Airlines
Deal found 1/25$599
This British Airways deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:50 pm
SEA
-
FAO
1 stop14h 30m
British Airways
Thu 11/197:40 pm
FAO
-
SEA
1 stop23h 50m
British Airways
Deal found 1/25$607
This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:00 pm
SEA
-
FAO
2 stops36h 25m
Multiple Airlines
Tue 3/107:00 pm
FAO
-
SEA
2 stops35h 28m
Multiple Airlines
Deal found 1/26$613
This KLM deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:40 pm
SEA
-
FAO
1 stop17h 50m
KLM
Tue 5/129:55 am
FAO
-
SEA
1 stop14h 35m
KLM
Deal found 1/25$628
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:50 pm
SEA
-
FAO
1 stop34h 00m
British Airways
Tue 3/1011:20 am
FAO
-
SEA
2 stops44h 04m
British Airways
Deal found 1/26$634
This Trip.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:50 pm
SEA
-
FAO
1 stop15h 00m
British Airways
Sun 3/297:10 pm
FAO
-
SEA
1 stop24h 25m
British Airways
Deal found 1/24$638
This Ovago deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:42 am
SEA
-
FAO
2 stops22h 03m
British Airways
Thu 11/197:40 pm
FAO
-
SEA
1 stop23h 50m
British Airways
Deal found 1/25$663
This Expedia deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:10 am
SEA
-
FAO
2 stops21h 10m
Multiple Airlines
Wed 11/182:40 pm
FAO
-
SEA
2 stops39h 49m
Multiple Airlines
Deal found 1/25$672
This Ovago deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:10 pm
SEA
-
FAO
2 stops19h 30m
Multiple Airlines
Tue 5/123:55 pm
FAO
-
SEA
2 stops28h 25m
Multiple Airlines
Deal found 1/25$680

Find flight deals from Seattle to Algarve

Keep the following information in mind while searching for Seattle to Algarve flight deals. Data was last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$483
(KLM)

One-way from

$287
(Mytrip)
Provider with most accurate pricing for Seattle/Tacoma Intl-Faro flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Faro flights.
Search Deals
From Seattle/Tacoma Intl to Algarve
Search Deals
One-way flight from Seattle/Tacoma Intl to Algarve
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Algarve 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, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from Seattle to Algarve that are best for you.

Fly from

Seattle

Fly to

Algarve

Route

Depart

Return

Price

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Thu 3/5

3:05 pm-7:20 pm

1 stop20h 15m

Faro

Tue 3/10

7:45 pm-12:35 pm

1 stop23h 50m

$483

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Fri 2/20

3:05 pm-9:05 am

1 stop34h 00m

Faro

Mon 3/2

10:05 am-11:35 am

1 stop33h 30m

$483

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Wed 3/11

4:05 pm-8:25 am

1 stop33h 20m

Faro

Wed 3/18

10:20 am-12:35 pm

1 stop33h 15m

$483

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Wed 3/11

7:00 am-11:40 am

2 stops21h 40m

Faro

Wed 3/18

2:10 pm-1:10 pm

2 stops30h 00m

$599

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Wed 5/6

5:30 pm-7:10 am

1 stop29h 40m

Faro

Tue 5/12

9:55 am-4:30 pm

1 stop14h 35m

$628

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Thu 3/5

6:50 pm-12:50 pm

1 stop34h 00m

Faro

Tue 3/10

11:20 am-12:24 am

2 stops44h 04m

$634

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Wed 3/18

7:50 pm-5:50 pm

1 stop15h 00m

Faro

Sun 3/29

7:10 pm-11:35 am

1 stop24h 25m

$638

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Wed 5/6

2:10 pm-5:40 pm

2 stops19h 30m

Faro

Tue 5/12

3:55 pm-12:20 pm

2 stops28h 25m

$680

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Mon 3/30

3:40 pm-3:50 pm

2 stops16h 10m

$296

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Sun 3/29

3:40 pm-11:15 pm

2 stops23h 35m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 14 results
1
2

Best time to book a flight from Seattle to Algarve

Have a flexible travel schedule? Discover the best time to fly to Algarve from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Algarve
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Algarve

Get insights into the airlines that provide service to Algarve. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Algarve. Reviews last updated January 26, 2026.
Read reviews from past customers who have flown KLM, Aer Lingus, and British Airways from Seattle to Algarve. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,442 reviews

Entertainment

7.1

Food

7.3

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,442 reviews
KLM
7.7
Good
1,442 reviews

Entertainment

7.1

Food

7.3

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Aer Lingus
7.2
Good
1,442 reviews
KLM
7.7
Good
1,442 reviews

Entertainment

7.1

Food

7.3

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,701 reviews
KLM
7.7
Good
1,442 reviews

Entertainment

7.1

Food

7.3

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Algarve. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Algarve?

    For a flight from Seattle to Algarve, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

  • How long is the flight from Seattle to Algarve?

    Departing from Seattle to Algarve will take you 20h 15m. Seattle and Algarve are separated by a distance of 5333 mi.

  • Can I find deals for flights from Seattle to Algarve that include hotel bookings?

    Yes. In addition to deals on Seattle to Algarve flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Algarve?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Algarve.

  • Can I find deals for business class flights from Seattle to Algarve?

    Yes. Cheapflights offers flight deals from Seattle to Algarve by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Seattle to Algarve

Discover the top 3 airlines that operate flights from Seattle to Algarve. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$481Average$831FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$588Average$1,024FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$652Average$917FlexibilityNo cancel feeOn-time70%

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