$395 Find Cheap Flights from Seattle to Algarve

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Algarve departing on 7/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Algarve

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Algarve, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Algarve, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Book Cheap Seattle to Algarve Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Algarve that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Algarve

Sun, Oct 4 - Tue, Oct 27
Scandinavian Airlines Logo
3:55 pm - 9:40 am
SEA
-
FAO
33h 45m
1 stop
Scandinavian Airlines Logo
12:00 pm - 10:26 pm
FAO
-
SEA
41h 26m
2 stops
$788Scandinavian Airlines
Sat, Oct 3 - Tue, Oct 27
Scandinavian Airlines Logo
11:08 pm - 9:40 am
SEA
-
FAO
50h 32m
2 stops
Scandinavian Airlines Logo
12:00 pm - 12:18 am
FAO
-
SEA
43h 18m
2 stops
$842Scandinavian Airlines
Sun, Oct 4 - Sat, Oct 24
Scandinavian Airlines Logo
3:55 pm - 9:40 am
SEA
-
FAO
33h 45m
1 stop
Scandinavian Airlines Logo
6:45 pm - 12:18 am
FAO
-
SEA
37h 33m
2 stops
$958Scandinavian Airlines
Mon, Sep 14 - Mon, Sep 21
KLM Logo
1:50 pm - 8:00 am
SEA
-
FAO
34h 10m
1 stop
KLM Logo
9:45 pm - 11:47 am
FAO
-
SEA
22h 02m
1 stop
$971KLM
Tue, Sep 15 - Tue, Oct 20
Multiple Airlines Logo
9:45 pm - 10:30 pm
SEA
-
FAO
16h 45m
1 stop
Multiple Airlines Logo
8:00 am - 6:45 pm
FAO
-
SEA
18h 45m
2 stops
$972Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
7:00 am - 1:50 pm
SEA
-
FAO
22h 50m
2 stops
Multiple Airlines Logo
7:05 pm - 6:32 pm
FAO
-
SEA
31h 27m
2 stops
$975Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
KLM Logo
9:59 am - 5:25 pm
SEA
-
FAO
23h 26m
2 stops
KLM Logo
9:45 pm - 11:47 am
FAO
-
SEA
22h 02m
1 stop
$976KLM
Fri, Sep 4 - Thu, Sep 10
Multiple Airlines Logo
9:45 pm - 11:30 pm
SEA
-
FAO
17h 45m
1 stop
Multiple Airlines Logo
8:10 am - 10:34 am
FAO
-
SEA
34h 24m
2 stops
$977Multiple Airlines
Mon, Oct 5 - Wed, Oct 21
SWISS Logo
10:30 am - 6:20 pm
SEA
-
FAO
23h 50m
2 stops
SWISS Logo
7:05 pm - 6:32 pm
FAO
-
SEA
31h 27m
2 stops
$982SWISS
Tue, Sep 8 - Tue, Sep 15
United Airlines Logo
4:45 pm - 9:50 am
SEA
-
FAO
33h 05m
2 stops
United Airlines Logo
11:40 am - 11:36 pm
FAO
-
SEA
19h 56m
1 stop
$983United Airlines
Booking Insights

KAYAK's insights & trends for Seattle to Algarve flights

Get data-powered insights and trends into flights from Seattle to Algarve to help you find the cheapest flights, the best time to fly and much more.

Can I save money by flying with a layover from Seattle to Algarve?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $519, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Seattle to Algarve?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Algarve, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Algarve is March, when tickets cost $0 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of round-trip tickets is $1,618 and $1,180 respectively.

Good to know

Low seasonFebruary
Cheapest flight$395
Best time to beat the crowds with an average 55% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Seattle to Faro

FAQs - booking Algarve flights

  • How does KAYAK find such low prices on flights from Seattle to Algarve?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Algarve.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Algarve?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Seattle to Algarve is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Algarve?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Seattle to Algarve with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Algarve?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Seattle to Algarve up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 4 airlines serving from Seattle to Algarve

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Algarve. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Algarve? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
KLMOverall score based on 1524 reviews
7.2Entertainment
7.8Boarding
8.4Crew
7.7Comfort
7.3Food
Airline reviews

As always, it’s a pleasure to travel with KLM. It is one of my favorite airlines.

10.0 ExcellentGeorge, May 2026
OTP - AMS
Read more KLM reviews

As always, it’s a pleasure to travel with KLM. It is one of my favorite airlines.

Brand new plane lots of room the snack was very flavourful and enjoyable

As per usual when you Hit the UK it's a slow process through customs Not as efficient at Thailand for sure

It was really nice experience by flying this klm flight.I personally recommend everyone to please try this klm flight

It was really nice journey i personally recommend klm flight

The crew were unprofessional with a racist element. I was physically abused as well from one of the crew members

Empty seats next to me - wish it had been for a longer flight!!

Flight was on time, staff are friendly and helpful onboard.

Terrible last row seats many seats available but no offer to move to better seat

They forgot to serve food and the crew was very unfriendly. Never experienced such a bad KLM flight. Usually fly from Toronto. New York was different.

Smooth quiet flight take off and landing both excellent. Food was mediocre. Boarding at gate was disorganized and unacceptable.

Very good trip. Nice clean aircraft. Helpful and friendly crew.

Crew members Grainne and Karen were extremely rude and unprofessional

I am very disappointed in that KAYAK sold me this flight as a business class it was not a business class. It was a regular economy class ticket. This was not Art Linus mistake. It was kayaks.

Crew was friendly and seats were comfortable. The connection however there were no free snacks or drinks.

Our flight from Dublin to Coruna did not exist any more. Apparently it was cancelled in February and I was not advised, nor was I offered any flights for rebooking. Happily Aer Lingus found another flight to another city in Spain that was 500 miles from Coruna; I had to pay for a hotel overnight and a revise my rental car that incurred additional costs, and I did not get to Coruna for another 24 hours. I was not at all impressed with Kayak or Chatdeal or Hertz.

OK overall. Flight was delayed Crew on flight was good

On time, only a little turbulence, very competent and caring attendants. Clear information.

Late late late. Delayed and arrived an hour late for a 1 hour 45 minute connection. Every time. Poor record for this company. I try to fly any other carrier first.

This was the smoothest flight I've ever taken with any airline, including Aer Lingus. Typically, there are moments when I feel afraid, but from take off (miraculously seamless!) to cruise, to landing this was a perfect flight. Thank you!

Very few things and/or people are excellent. It was very good.

Extremely uncomfortable seats. Experience was like a Frontier Airlines flight. Would not fly it again.

Very, very tight legroom. They must’ve jammed in an additional few rows of seat seating. Denver to Munich was the least legroom I’ve ever had on any flight, let alone a multi hour international journey. I will not take that flight again.

In my first flight with Air Canada we sat in the plane for 4:00pm to 6:30pm. Finally we were asked to get off the plane and we were told the flight was cancelled after 7:00pm There was o clear explanation of what was the problem. I was booked without my permission on a Delta Flight at 7:30pm that was leaving at 8:00pm and I still had to go get my luggage(my final destination was Rome with one stop in Toronto. The luggage claim for Canada was closed so had to return to finally get it on the luggage belt.. Of course I missed the Delta flight and all the next day flights were booked. I also lost what I paid for my stay in Rome because I did nt cancel in time. A complete nightmare.

Good food, overall very comfy. The flight was full so obviously not optimal, but it is what it is.

Perfect airline, super friendly, great service, tasty food. Would fly again.

Parents with permanently crying baby on board. Neither parents nor crew did anything to calm the baby. The food was extremely disappointing. Seafood stew was very, very small! Not even appetizer size! Seat had a gap in the back. Had to use a pillow to fill it.

Food choices limited & not enticing Seats quite uncomfortable & difficult to control

Definitely get premium economy on a flight this long if you can. Your legs and while body will thank you.

Flight was delayed by several hours and then cancelled due to weather. But Staff was very helpful getting me on a different flight. United should offer food coupons and tooth brush and paste for stranded passengers

Lady next to me was coughing profusely the entire flight, other lady moved seats because of it, 8 hours of that during an overnight flight is a bit much.

The flight was ok. The seats are so small. The free wifi for members was not an option on this flight. The one flight attendant, older woman with straight white/grey hair, was very rude. The gentleman next to me asked about the wifi since he was a member as well. He stated, accurately, that the option to enter the idea number was not available. Her response was, "I don't know what to tell you" and walked away from him. The rest of the staff was wonderful. I asked another flight attendant about the wifi, she said the free wifi was not enabled on that flight (true or not- at least she was friendly). It was also pretty dirty. When I opened the tray table it had mushed crumbs and there was a dirty used pair of ear buds in my seat pocket. Lastly the air vent above my head was working but stuck so I was unable to move it to face me when it got warm. I fly American often but this really was not a great flight.

My luggage was lost at the airport but American Airlines contacted me and got it to me the next day.

24 hour delays aren’t even heard in 3rd world countries with archaic transportation systems. I’m never flying American Airlines again.

3.5 hr delay leaving Pittsburgh, notifications for which were incomplete and untimely. Connecting flight was automatically switched to one requiring more than a 30 hour layover! After waiting in a long queue, customer service reduced layover to 11 hours and also set up an earlier standby. The standby had empty seats, but the gate agent couldn't change our tickets! On top of all that my luggage was lost and has yet to even be located, much less returned 5 (FIVE!) days later. Too bad there's no rating below poor.

Canceled flight late London to Florence. Help at airport very poor. Treated poorly. Had to sleep in the airport. Lost bags- still do not have them. Horrible. I should be reimbursed!

The seats are extra cramped if you are taller than 5’8! Spring for the extra legroom seats for sure if you have a long flight!

Very disappointed with British Airways. It has been over 24 hours and I still have not received my checked baggage or any proper update. Customer support has been unresponsive, making the situation even more frustrating. Poor baggage handling and lack of communication seriously impacted my travel experience.

All the above categories was great. Seats entirely too cramped.

Flight was good but temp in the cabin was cold.

Everything you need to know for your flight to Algarve

Information on your arrival and departure airports