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Easily compare round-trip flights from Seattle to Lisbon
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Lisbon by changing tabs
Quickest
Cheapest
Aer Lingus
14 Jan
SEA
12:00 pm
Seattle/Tacoma Intl airport
30h 10m
1 Stop
2:10 am
+2
LIS
Lisbon Humberto Delgado airport
11 Feb
LIS
10:50 am
Lisbon Humberto Delgado airport
15h 25m
1 Stop
6:15 pm
SEA
Seattle/Tacoma Intl airport
613 USD
KLM
09 Mar
SEA
12:45 am
Seattle/Tacoma Intl airport
17h 45m
1 Stop
1:30 am
+1
LIS
Lisbon Humberto Delgado airport
18 Mar
LIS
7:30 pm
Lisbon Humberto Delgado airport
23h 37m
1 Stop
12:07 pm
+1
SEA
Seattle/Tacoma Intl airport
619 USD
Aer Lingus
21 Jan
SEA
12:00 pm
Seattle/Tacoma Intl airport
30h 10m
1 Stop
2:10 am
+2
LIS
Lisbon Humberto Delgado airport
07 Feb
LIS
7:05 pm
Lisbon Humberto Delgado airport
31h 10m
1 Stop
6:15 pm
+1
SEA
Seattle/Tacoma Intl airport
619 USD
Delta
30 Mar
SEA
4:15 am
Seattle/Tacoma Intl airport
15h 45m
1 Stop
4:00 am
+1
LIS
Lisbon Humberto Delgado airport
07 Apr
LIS
6:00 am
Lisbon Humberto Delgado airport
14h 11m
1 Stop
12:11 pm
SEA
Seattle/Tacoma Intl airport
620 USD
Delta
13 Jan
SEA
3:40 am
Seattle/Tacoma Intl airport
13h 50m
1 Stop
1:30 am
+1
LIS
Lisbon Humberto Delgado airport
08 Feb
LIS
11:05 am
Lisbon Humberto Delgado airport
18h 53m
1 Stop
9:58 pm
SEA
Seattle/Tacoma Intl airport
672 USD
SWISS
15 Jan
SEA
2:55 am
Seattle/Tacoma Intl airport
18h 45m
2 Stops
5:40 am
+1
LIS
Lisbon Humberto Delgado airport
11 Feb
LIS
5:20 am
Lisbon Humberto Delgado airport
15h 00m
1 Stop
12:20 pm
SEA
Seattle/Tacoma Intl airport
630 USD
How to get the cheapest flight ticket from Seattle to Lisbon
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 Lisbon?
November
The cheapest time of year to fly to Lisbon from Seattle is November. Most expensive is July
What is the cheapest day to fly to Lisbon?
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Saturday
When is the cheapest time to fly to Lisbon?
in the afternoon
Seattle to Lisbon flights are approximately 14% more expensive in the morning than in the afternoon
What is the cheapest airline that flies to Lisbon?
Major Airline
Major Airline, SWISS, and Alitalia are the most popular carriers operating from Seattle to Lisbon
What is the cheapest route?
Seattle/Tacoma Intl - Lisbon Humberto Delgado
Fly from Seattle/Tacoma Intl to Lisbon Humberto Delgado for the best Seattle - Lisbon flight prices
SEA
Seattle/Tacoma Intl
LIS
Lisbon Humberto Delgado
When is the cheapest time to book a flight to Lisbon?
49 days before
The cheapest time to buy a flight from Seattle to Lisbon is approximately 49 days to departure
60
Days before departure
0
Flight information for Seattle to Lisbon (LIS - 03A)
Find info about flight duration, direct flights, and airports for your flight from Seattle to Lisbon
| Fastest flight time | 14h 5m | The fastest flight from Seattle to Lisbon takes 14h 5m. | |
| Direct flights | None | There are no direct flights from Seattle to Lisbon. Popular non-direct route for this connection is Seattle/Tacoma Intl - Lisbon Humberto Delgado. | |
| Airports in Lisbon | 1 airport | There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS) |
Alternative routes for Seattle to Lisbon
Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
View more
Flights to other cities in Portugal
Lost the lust for Lisbon? Check out some flights to other cities in Portugal
Round-trip flights to other destinations
Lost the lust for Lisbon? Check out some flights to other destinations
*Flight prices to Lisbon are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.