Cheap flights from Seattle (SEA) to Lisbon (LIS)

SEA — LIS
Feb 12 — Feb 191

The best prices from Seattle/Tacoma Intl to Lisbon Humberto Delgado are usually found in February or March, booked 60 days in advance, depart on a Saturday or Wednesday and return on a Sunday

How to find the cheapest flight from Seattle (SEA) to Lisbon (LIS)

All the information you need to plan the best SEA to LIS flight in 2023: compare Seattle to Lisbon flight prices with the expected peak season, weather and rainfall in Lisbon.

SEA - LIS

Price

$587 - $1,324

LIS

Temperature

51.8 - 73.4 °F

LIS

Rainfall

0.2 - 4.8 inches

Popular inJuneHigh demand for flights, 30% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 37% potential price drop
Round-trip from$587From Seattle/Tacoma Intl to Lisbon Humberto Delgado
One-way from$511One-way flight from Seattle/Tacoma Intl to Lisbon Humberto Delgado

What is the cheapest day to fly round-trip from Seattle to Lisbon?

It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Seattle to Lisbon?

To save up to 66% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Lisbon from $1,150 1-2 weeks out and tickets from $1,576 for flights departing within the next 72 hours.

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

February can be a great time to fly to Lisbon from Seattle with a flight ticket averaging about $930. Cheapflights users have found deals in the month of February for as cheap as $505. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Seattle to Lisbon (SEA - LIS)?

When flying from Seattle to Lisbon, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 12% versus a flight in the morning.

Cheap flights from Seattle to Lisbon in February, March 2023

The best prices found for SEA to LIS flights for February, March

Seattle to Lisbon 2023 flight deals

Cheap flights to Lisbon from Seattle found for this year

Cheap KLM flights from Seattle to Lisbon

Cheap American Airlines flights from Seattle to Lisbon

Last minute flights from Seattle to Lisbon

Late deals on return flights to Lisbon from Seattle, departing today and this week

One-way flights to Lisbon from Seattle

The cheapest one-way flights from Seattle to Lisbon

Reviews of Airlines Servicing Lisbon

Delta
7.9
Good
2,070 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Boarding

8.1

Reviews

1 / 10

I enjoyed priority boarding. I enjoyed premium seating. Yes I paid for it. I will no longer sit in economy for a 14 hour international flight. For any flight over 5 hours economy seating is to uncomfortable

Delta
7.9
Good
2,070 reviews
Delta
7.9
Good
2,070 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Boarding

8.1

Reviews

1 / 10

I enjoyed priority boarding. I enjoyed premium seating. Yes I paid for it. I will no longer sit in economy for a 14 hour international flight. For any flight over 5 hours economy seating is to uncomfortable

Air France
7.7
Good
120 reviews
Delta
7.9
Good
2,070 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Boarding

8.1

Reviews

1 / 10

I enjoyed priority boarding. I enjoyed premium seating. Yes I paid for it. I will no longer sit in economy for a 14 hour international flight. For any flight over 5 hours economy seating is to uncomfortable

United Airlines
7.6
Good
1,211 reviews
Delta
7.9
Good
2,070 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Boarding

8.1

Reviews

1 / 10

I enjoyed priority boarding. I enjoyed premium seating. Yes I paid for it. I will no longer sit in economy for a 14 hour international flight. For any flight over 5 hours economy seating is to uncomfortable

KLM
7.5
Good
120 reviews
Delta
7.9
Good
2,070 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Boarding

8.1

Reviews

1 / 10

I enjoyed priority boarding. I enjoyed premium seating. Yes I paid for it. I will no longer sit in economy for a 14 hour international flight. For any flight over 5 hours economy seating is to uncomfortable

American Airlines
7.4
Good
1,670 reviews
Delta
7.9
Good
2,070 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Boarding

8.1

Reviews

1 / 10

I enjoyed priority boarding. I enjoyed premium seating. Yes I paid for it. I will no longer sit in economy for a 14 hour international flight. For any flight over 5 hours economy seating is to uncomfortable

Related info for your journey

Useful info, stats and facts about Seattle to Lisbon flights.

Which airlines flying from Seattle/Tacoma Intl to Lisbon Humberto Delgado have flexible cancellations due to COVID-19?

Delta, British Airways, and Aer Lingus are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Seattle to Lisbon for under $600 on Cheapflights?

Yes, there are multiple flights from Seattle to Lisbon for under $600. The cheapest flight booked recently is on United Airlines for just $567, but on average you can expect to pay $601.

Are there last-minute flights available from Seattle to Lisbon for under $700?

There are currently 20+ open flights from Seattle to Lisbon within the next 7 days for less than $700.

How popular is this Seattle to Lisbon flight route?

Within the past month, 13 users have taken a look at flights from Seattle/Tacoma Intl to Lisbon Humberto Delgado.

What are the cheapest airlines flying from Seattle to Lisbon round-trip?

Our cheapest airline available from Seattle to Lisbon is United Airlines. Our recent data shows that you can find tickets from as low as $567 on this airline. Additional options worth looking into are KLM and American Airlines, starting at $581 and $594 round-trip. United Airlines is currently priced 39% below the average price you’ll pay for this route.

What are the most popular airlines that fly from Seattle to Lisbon?

Consider Undisclosed Carrier, American Airlines or Air Canada when booking your flight. These represent the most popular airlines when flying from Seattle to Lisbon.

What are the cheapest flights from Seattle to Lisbon?

Looking for the cheapest flight from Seattle to Lisbon? While on average our users pay $3,504, our data indicates the cheapest price to be $517. The most popular route (Seattle/Tacoma Intl - Lisbon Humberto Delgado), is priced around $599.

Alternative routes for Seattle to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Portofrom $690 pp
Spokane to Lisbonfrom $942 pp
Seattle to Farofrom $1,002 pp

Top 10 airlines flying from Seattle to Lisbon

The chart below displays the airlines Cheapflights users traveling from Seattle to Lisbon choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$13Average$20FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
LufthansaCheapest$553Average$1,096FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Lufthansa flights
Aer LingusCheapest$566Average$842FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Aer Lingus flights
KLMCheapest$576Average$833FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
Air FranceCheapest$656Average$879FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Air France flights
United AirlinesCheapest$657Average$1,141FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$664Average$927FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
British AirwaysCheapest$674Average$1,045FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights
American AirlinesCheapest$674Average$1,103FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Air CanadaCheapest$683Average$1,290FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
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