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Algarve

$365+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FAO
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
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 December 3, 2025.

This KLM deal was found by Cheapflights users on 12/2. 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.
Thu 12/181:40 pmSEA - FAO
2 stops21h 40mKLM
Thu 1/17:05 pmFAO - SEA
2 stops31h 23mKLM
Deal found 12/2$5,503
This Orbitz deal was found by Cheapflights users on 11/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:59 pmSEA - FAO
2 stops38h 26mMultiple Airlines
Fri 1/25:45 pmFAO - SEA
1 stop25h 45mMultiple Airlines
Deal found 11/30$6,454
This Arangrant deal was found by Cheapflights users on 12/2. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 amSEA - FAO
2 stops46h 05mLufthansa
Thu 1/11:10 pmFAO - SEA
1 stop31h 00mLufthansa
Deal found 12/2$6,783
This Air Canada deal was found by Cheapflights users on 12/2. 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.
Thu 12/185:50 amSEA - FAO
3 stops25h 55mAir Canada
Thu 1/16:05 amFAO - SEA
3 stops24h 11mAir Canada
Deal found 12/2$7,424
This Air Canada deal was found by Cheapflights users on 12/2. 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.
Thu 12/185:50 amSEA - FAO
3 stops25h 55mMultiple Airlines
Thu 1/16:10 pmFAO - SEA
2 stops36h 06mMultiple Airlines
Deal found 12/2$7,643

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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$482
(KLM)

One-way from

$365
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$2,178
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
Search Deals
One-way flight from Seattle/Tacoma Intl to Algarve
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Highest demand for flights based on searches. 21% potential increase in price ($326 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($96 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 3, 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

Mon 1/12

11:25 am-6:55 pm

2 stops23h 30m

Faro

Sun 1/25

6:50 pm-11:50 am

1 stop25h 00m

$482

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Sun 1/18

3:10 pm-6:25 pm

1 stop19h 15m

Faro

Mon 1/26

7:15 pm-11:50 am

1 stop24h 35m

$482

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Sun 1/18

3:10 pm-6:25 pm

1 stop19h 15m

Faro

Sat 1/24

5:45 pm-11:50 am

1 stop26h 05m

$482

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Tue 1/20

6:05 am-9:30 am

2 stops19h 25m

Faro

Mon 1/26

7:15 pm-11:50 am

1 stop24h 35m

$486

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Thu 1/15

9:25 am-7:20 pm

2 stops25h 55m

Faro

Thu 1/22

7:05 pm-11:50 am

1 stop24h 45m

$486

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Tue 1/20

6:05 am-9:30 am

2 stops19h 25m

Faro

Sun 1/25

6:50 pm-11:50 am

1 stop25h 00m

$486

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Sun 1/18

9:25 am-6:25 pm

2 stops25h 00m

Faro

Sun 1/25

6:50 pm-11:50 am

1 stop25h 00m

$486

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Sat 1/17

9:59 pm-6:25 pm

2 stops36h 26m

Faro

Sat 1/24

5:45 pm-11:50 am

1 stop26h 05m

$486

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Fri 12/12

6:18 pm-10:10 am

3 stops55h 52m

$365

SeattleFaro

SEA - FAO

SEAFAO

Seattle/Tacoma Intl

Thu 1/15

2:10 pm-4:05 pm

2 stops41h 55m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 16 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 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 December 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Algarve in the afternoon. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the morning.

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 December 3, 2025.
Read reviews from past customers who have flown KLM, Aer Lingus, and Lufthansa 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
1,428 reviews

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,428 reviews
KLM
7.7
Good
1,428 reviews

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Aer Lingus
7.2
Good
1,384 reviews
KLM
7.7
Good
1,428 reviews

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,612 reviews
KLM
7.7
Good
1,428 reviews

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,557 reviews
KLM
7.7
Good
1,428 reviews

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 23h 30m. 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 4 airlines flying from Seattle to Algarve

Discover the top 4 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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$481Average$1,018FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$695Average$1,198FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$756Average$1,024FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$782Average$938FlexibilityNo cancel feeOn-time76%

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