Cheap flights from Seattle to Algarve from $261
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Algarve departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Seattle to Algarve
Our best United Airlines deals on Seattle to Algarve flight tickets
Aer Lingus flights from Seattle to Algarve
Our best Aer Lingus deals on Seattle to Algarve flight tickets
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How to get the cheapest flight ticket from Seattle to Algarve
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Algarve?
The cheapest month to fly to Algarve from Seattle is in January. Flight prices, which tend to average around $707, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Algarve, with average flight prices from Seattle averaging around $758.
What is the cheapest day to depart on your flight to Algarve?
The cheapest day to depart from Seattle to Algarve is on a Thursday. Travelers who choose to depart for Algarve on a Thursday will often find tickets for as low as $980. Flights from Seattle to Algarve on a Sunday will generally be more expensive and average around $1,176. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Algarve?
In the afternoon is the cheapest time of day to fly from Seattle to Algarve when you can find flight prices for as low as $960. Flying to Algarve in the afternoon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Algarve, so prices are often more expensive at around $1,484 per ticket.
Can stopping save me money on Seattle to Algarve flights?
No. A direct flight is the cheapest option for a flight between Seattle to Algarve.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Algarve?
Aer Lingus and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Algarve
What airlines fly to Algarve?
British Airways, KLM and Aer Lingus are the top three most popular airlines that fly to Algarve from Seattle according to our data. British Airways is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Algarve. Keep in mind that there are 3 different airlines that fly to Algarve on a routine basis, so you have a few additional options to choose from.
Cheap Seattle to Algarve flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Algarve
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Algarve?
Prices for flights from Seattle/Tacoma Intl Airport to Algarve refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Algarve?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Algarve is 3 as of July 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Algarve?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Algarve.
What documentation or ID do you need to fly to Algarve?
The travel and health documents you'll need for your trip to Algarve 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 Algarve. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Algarve?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seattle to Algarve is Boeing 737-900 Passenger/BBJ3 (winglets) (14.08% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (13.59%), Boeing 737 MAX 9 (12.67%), and Airbus A321neo (8.79%).
Best airlines flying from Seattle to Algarve
Compare and see reviews for airlines that fly from Seattle to Algarve with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $707 | Free Cancellation | Rating 7.8 1,367 reviews | |||
| PriceFrom $745 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom $757 | Free Cancellation | Rating 7.1 1,144 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Algarve?
Finding the right flight to Algarve from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Algarve quick and easy, saving you time and money.
Can I find flights from Seattle to Algarve with flexible booking policies on momondo?
All flight searches from Seattle to Algarve on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Seattle to Algarve?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Algarve from Seattle.
I’m not ready to book a flight from Seattle to Algarve right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Seattle to Algarve now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Algarve and let you know when they change.