Flights from Seattle to Porto, Portugal

Did you mean flights from Porto to Seattle?

Seattle to Porto Last modified: Sep 19, 2023 11:09 -04:00

We've scanned 109,155,000 round trip itineraries and found the cheapest flights to Porto. Multiple Airlines & Major Airlines frequently offer the best deals to Porto flights, or select your preferred carrier below to see the cheapest days to fly.

Multiple Airlines
Tue 11/21
2 stops
Thu 11/30
2 stops
Major Airlines
Mon 12/4
1 stop
Tue 12/12
1 stop
Tue 10/24
1 stop
Wed 11/1
1 stop
Multiple Airlines
Tue 10/10
1 stop
Tue 10/24
1 stop
Mon 10/16
2 stops
Tue 10/31
2 stops
Air France
Sun 11/12
1 stop
Mon 11/20
1 stop

How Much is a Flight from Seattle to Porto?

We have collected flight cost data from across the web for travel from Seattle to Porto, and have found the average flight price for this trip to be $793.

Where To Buy Cheap Flights from Seattle to Porto?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Seattle to Porto based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from Seattle to Porto?

The chart below shows up-to-date information regarding how far in advance to book your flight from Seattle to Porto.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $1,028 $1,768
7-14 days $0 $643
14-21 days $0 $634
21-30 days $964 $650
30-60 days $1,366 $644
60-90 days $759 $632
90+ days $861 $639

Cheapest Day To Fly from Seattle to Porto

We've examined 215,181,508 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Seattle to Porto is Tuesday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday

Compare Flight Prices from Seattle to Porto by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Seattle to Porto flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
September Seattle Porto Multiple Airlines 9/25/23 10/5/23 1 $1,768
October Seattle Porto Multiple Airlines 10/16/23 10/25/23 2 $634
November Seattle Porto Multiple Airlines 11/21/23 11/30/23 2 $644
December Seattle Porto Multiple Airlines 12/13/23 12/20/23 2 $632
January Seattle Porto Major Airlines 1/9/24 1/23/24 1 $639
February Seattle Porto Major Airlines 2/2/24 2/9/24 1 $689
March Seattle Porto Multiple Airlines 3/5/24 3/12/24 2 $666
April Seattle Porto Multiple Airlines 4/23/24 5/7/24 2 $965

Cheap Last Minute Flights from Seattle to Porto

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Seattle to Porto. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
1 2 3 4 5 6 7
8 9 10 11 12 13 14
$1,167 $1,076
15 16 17 18 19 20 21
$1,076 $719
22 23 24 25 26 27 28

Connecting Flights vs Direct Flights from Seattle to Porto

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Seattle to Porto is $976.

The average price for direct flights from Seattle to Porto is $861.

One Way Flights vs Round Trip Flights from Seattle to Porto

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Seattle to Porto. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Seattle to Porto is $603.

The average price for round trip flights from Seattle to Porto is $976.

Seattle to Porto Flight Questions

Airlines in Seattle flying to Porto Last modified: Sep 27, 2023 9:54 -04:00Number of routes searched: 0Number of itineraries searched: 0

Wondering which airlines fly out of Seattle to Porto? We've gathered the average price of Seattle airlines with flights to Porto. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Seattle to Porto Airports

These are the major commercial airports we're currently monitoring in Seattle and Porto. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Flights from Seattle to Porto