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Algarve

$434+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FAO
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Seattle to Algarve

Keep the following information in mind while searching for Seattle to Algarve flight deals. Data was last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$753
(Mytrip)

One-way from

$434
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,218
Provider with most accurate pricing for Seattle/Tacoma Intl-Faro flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Faro flights.
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From Seattle/Tacoma Intl to Algarve
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One-way flight from Seattle/Tacoma Intl to Algarve
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 6% potential price decrease ($77 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 17, 2025.

This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/273:45 pmSEA - FAO
2 stops20h 25mMultiple Airlines
Sun 5/46:20 amFAO - SEA
2 stops39h 05mMultiple Airlines
Deal found 4/17$767
This Gotogate deal was found by Cheapflights users on 4/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/42:15 pmSEA - FAO
1 stop16h 20mLufthansa
Tue 5/203:55 pmFAO - SEA
1 stop33h 04mLufthansa
Deal found 4/17$820
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/46:15 amSEA - FAO
2 stops24h 20mUnited Airlines
Tue 5/2011:40 amFAO - SEA
2 stops32h 09mUnited Airlines
Deal found 4/17$826
This SWISS deal was found by Cheapflights users on 4/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:55 amSEA - FAO
2 stops23h 20mSWISS
Tue 5/67:10 pmFAO - SEA
2 stops34h 21mSWISS
Deal found 4/17$886
This Gurufare deal was found by Cheapflights users on 4/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:18 amSEA - FAO
2 stops20h 17mAer Lingus
Fri 9/1911:40 amFAO - SEA
2 stops20h 10mAer Lingus
Deal found 4/17$974
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/41:35 pmSEA - FAO
1 stop15h 10mBritish Airways
Sun 10/127:10 pmFAO - SEA
1 stop24h 25mBritish Airways
Deal found 4/17$1,024
This Air Canada deal was found by Cheapflights users on 4/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/412:10 pmSEA - FAO
2 stops21h 10mAir Canada
Sun 10/126:05 amFAO - SEA
3 stops35h 16mAir Canada
Deal found 4/17$1,164
This KLM deal was found by Cheapflights users on 4/17. 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.
Sun 9/71:55 pmSEA - FAO
1 stop21h 15mKLM
Fri 9/198:50 amFAO - SEA
1 stop15h 15mKLM
Deal found 4/17$1,184

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 April 17, 2025.
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

Sun 4/27

3:45 pm-8:10 pm

2 stops20h 25m

Faro

Sun 5/4

6:20 am-1:25 pm

2 stops39h 05m

$767

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Sun 5/4

2:15 pm-2:35 pm

1 stop16h 20m

Faro

Tue 5/20

3:55 pm-4:59 pm

1 stop33h 04m

$820

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Sun 5/4

6:15 am-2:35 pm

2 stops24h 20m

Faro

Tue 5/20

11:40 am-11:49 am

2 stops32h 09m

$826

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Thu 5/1

10:55 am-6:15 pm

2 stops23h 20m

Faro

Tue 5/6

7:10 pm-9:31 pm

2 stops34h 21m

$886

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Sun 4/27

6:45 pm-7:00 pm

1 stop16h 15m

Faro

Sun 5/4

7:40 pm-4:59 pm

1 stop29h 19m

$1,028

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Sun 6/1

2:55 pm-2:30 pm

2 stops39h 35m

Faro

Sun 6/8

3:25 pm-6:33 pm

2 stops35h 08m

$1,343

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Fri 6/6

8:20 pm-7:05 pm

1 stop14h 45m

Faro

Mon 6/16

11:10 am-11:10 am

1 stop32h 00m

$1,358

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Sat 7/5

12:55 pm-9:55 am

2 stops37h 00m

$600

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Sat 7/5

1:30 pm-5:40 pm

1 stop20h 10m

$647

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Thu 5/15

7:20 am-3:05 pm

2 stops23h 45m

$685

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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

What is the cheapest month to book a flight from Seattle to Algarve?

Currently, November is the cheapest month in which you can book a flight from Seattle to Algarve (average of $628). Flying from Seattle to Algarve in June is currently the most expensive (average of $1,329). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to SAL?

Find hourly flight availability from Seattle to Algarve. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Algarve as you normally would.

Rainfall in Algarve by month

Plan your trip to Algarve by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Algarve ranges from 0.1 - 4.6 inches per month. December is typically the wettest month, when rainfall can reach 4.6 in. July is typically the driest time to visit Algarve when rainfall is around 0.1 in.

Temperature in Algarve by month

Plan your trip to Algarve by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Algarve, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 April 17, 2025.
Peruse reviews from past customers who have flown with KLM, Air France and SWISS from Seattle to Algarve to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,327 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,327 reviews
KLM
7.8
Good
1,327 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.5
Good
1,435 reviews
KLM
7.8
Good
1,327 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,580 reviews
KLM
7.8
Good
1,327 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,667 reviews
KLM
7.8
Good
1,327 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air Canada
7.0
Good
9,143 reviews
KLM
7.8
Good
1,327 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

  • What are the cheapest airlines to fly from Seattle to Algarve one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $600. Air France flights start at $647 while deals on Aer Lingus start at $666 one-way.

  • 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.

  • What is the cheapest month to book a flight from Seattle to Algarve?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Algarve (average of $628). Flying from Seattle to Algarve in June is currently the most expensive (average of $1,329). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$707Average$909FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$757Average$1,012FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$798Average$1,309FlexibilityNo cancel feeOn-time70%

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