Cheap flights from Porto to Seattle from $0
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Discover deals on Porto to Seattle flights
Typical range $0–$0•Cheapest found $0
Checking latest prices...Find cheap flights from Porto to Seattle
Best
1 stop
8 Feb
DEP
16:30
OPO
1×
17:05
SEA
--
8 Feb
DEPARTURE
16:30 - 17:05
--
OPO
1 stop
SEA
2 stops
8 Feb
DEP
08:20
OPO
2×
22:20
SEA
22h 0m
8 Feb
DEPARTURE
08:20 - 22:20
22h 0m
OPO
2 stops
SEA
Lufthansa flights from Porto to Seattle
Our best Lufthansa deals on Porto to Seattle tickets
Best
2 stops
8 Feb
DEP
06:00
OPO
2×
22:43
SEA
--
8 Feb
DEPARTURE
06:00 - 22:43
--
OPO
2 stops
SEA
2 stops
8 Feb
DEP
06:00
OPO
2×
20:57
SEA
22h 57m
8 Feb
DEPARTURE
06:00 - 20:57
22h 57m
OPO
2 stops
SEA
Turkish Airlines flights from Porto to Seattle
Our best Turkish Airlines deals on Porto to Seattle tickets
Best
1 stop
8 Feb
DEP
16:30
OPO
1×
17:05
SEA
--
8 Feb
DEPARTURE
16:30 - 17:05
--
OPO
1 stop
SEA
Iberia flights from Porto to Seattle
Our best Iberia deals on Porto to Seattle tickets
Best
2 stops
8 Feb
DEP
08:20
OPO
2×
22:20
SEA
22h 0m
8 Feb
DEPARTURE
08:20 - 22:20
22h 0m
OPO
2 stops
SEA
American Airlines flights from Porto to Seattle
Our best American Airlines deals on Porto to Seattle tickets
Best
2 stops
8 Feb
DEP
08:20
OPO
2×
22:20
SEA
22h 0m
8 Feb
DEPARTURE
08:20 - 22:20
22h 0m
OPO
2 stops
SEA
British Airways flights from Porto to Seattle
Our best British Airways deals on Porto to Seattle tickets
Best
2 stops
8 Feb
DEP
08:20
OPO
2×
22:20
SEA
22h 0m
8 Feb
DEPARTURE
08:20 - 22:20
22h 0m
OPO
2 stops
SEA
Air Canada flights from Porto to Seattle
Our best Air Canada deals on Porto to Seattle tickets
Best
2 stops
8 Feb
DEP
06:00
OPO
2×
22:16
SEA
--
8 Feb
DEPARTURE
06:00 - 22:16
--
OPO
2 stops
SEA
SWISS flights from Porto to Seattle
Our best SWISS deals on Porto to Seattle tickets
Best
2 stops
8 Feb
DEP
19:25
OPO
2×
22:43
SEA
--
8 Feb
DEPARTURE
19:25 - 22:43
--
OPO
2 stops
SEA
Brussels Airlines flights from Porto to Seattle
Our best Brussels Airlines deals on Porto to Seattle tickets
Best
2 stops
8 Feb
DEP
12:55
OPO
2×
20:57
SEA
--
8 Feb
DEPARTURE
12:55 - 20:57
--
OPO
2 stops
SEA
What's the cheapest day of the week to fly from Porto to Seattle?
If your flying dates are flexible, you should consider flying to Seattle on a Thu, as we generally find the cheapest rates on that day. On the other hand, Sat is the most expensive day to fly.
What is the cheapest month to fly from Porto to Seattle?
The cheapest month for flights from Porto to Seattle is Sep, where tickets cost $1025 on average. The most expensive months are Dec.
JanFebMarAprMayJunJulAugSepOctNovDec
$1467$1246$1025
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Everything you should know
Cheapest one-way flight
$1075
Typical prices: $1075–$1375
When to book
6 weeks
in advance to save around 35%
Good to know
💰
Save money
Compare prices across airlines to find the best deal. Prices can vary significantly.
📅
Be flexible
Flying midweek or in off-peak seasons can save you up to 30% on airfare.
⏰
Book early
Booking 6+ weeks in advance typically offers the best prices.
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Frequently asked questions
The cheapest flight from Porto to Seattle currently costs AUD $1075. Prices typically range from $1075 to $1375. Prices change frequently, so we recommend booking early and being flexible with your travel dates.