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Cheap flights from Seattle to Lisbon from £358

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIS
26 Nov — 3 Dec1
1 adult

Find flights from Seattle to Lisbon within your budget

Customise your flight search to find flights from Seattle to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 939,815 searches. Data last updated 21 November 2024.

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Depart

Return

Price

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 2/2

18:50-21:45

1 stop18h 55m

Lisbon Humberto Delgado

Sun 9/2

07:45-22:43

2 stops22h 58m

£518

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sat 1/2

13:45-12:10

1 stop14h 25m

Lisbon Humberto Delgado

Mon 10/2

16:10-20:04

2 stops35h 54m

£522

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 1/1

23:51-10:10

2 stops26h 19m

Lisbon Humberto Delgado

Tue 28/1

11:00-16:16

2 stops37h 16m

£523

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Fri 14/2

15:10-13:20

1 stop14h 10m

Lisbon Humberto Delgado

Wed 19/2

05:00-18:25

2 stops21h 25m

£525

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Fri 14/2

13:45-22:25

1 stop24h 40m

Lisbon Humberto Delgado

Fri 21/2

11:05-22:10

1 stop19h 05m

£527

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 1/1

07:40-06:35

1 stop14h 55m

Lisbon Humberto Delgado

Wed 15/1

10:00-22:25

2 stops20h 25m

£537

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 16/2

09:55-11:20

2 stops17h 25m

Lisbon Humberto Delgado

Sun 2/3

05:00-11:40

1 stop14h 40m

£560

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sat 15/2

14:05-18:40

1 stop20h 35m

Lisbon Humberto Delgado

Mon 3/3

11:25-11:40

1 stop32h 15m

£561

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 16/3

15:35-20:20

1 stop21h 45m

Lisbon Humberto Delgado

Tue 1/4

07:05-17:40

2 stops18h 35m

£654

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Thu 27/2

07:30-08:55

1 stop17h 25m

Lisbon Humberto Delgado

Sun 30/3

18:50-22:25

2 stops35h 35m

£679

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 21 results
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Cheap flight deals from Seattle to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 November 2024.

Round-trip from

£518

One-way from

£358

Popular in

June

Cheapest in

January
Finnair
  • Finnair
  • 2/2-9/2
  • 3 total stops
  • 41h 53m total
  • Seattle to Lisbon
Search Deals
United Airlines
  • United Airlines
  • 4/1
  • 2 total stops
  • 26h 24m total
  • Seattle to Lisbon
Search Deals
High demand for flights, 28% potential price rise
Search Deals
Best time to find cheap flights, 32% potential price drop
Search Deals

Find flight deals from Seattle to Lisbon

Cheapest flights from Seattle to Lisbon
Explore the most affordable flight options available from Seattle to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Tue 3/1205:45SEA - LIS
3 stops30h 15mMultiple Airlines
Tue 10/1218:45LIS - SEA
3 stops35h 15mMultiple Airlines
Deal found 20/11£609
Tue 31/1218:50SEA - LIS
1 stop14h 55mBritish Airways
Fri 10/118:45LIS - SEA
1 stop24h 35mBritish Airways
Deal found 20/11£648
Tue 3/1219:00SEA - LIS
1 stop31h 15mTurkish Airlines
Tue 10/1211:35LIS - SEA
1 stop37h 30mTurkish Airlines
Deal found 20/11£685
Sun 8/1214:35SEA - LIS
1 stop21h 45mIcelandair
Thu 12/1207:10LIS - SEA
2 stops17h 50mIcelandair
Deal found 20/11£782
Tue 3/1205:45SEA - LIS
2 stops19h 10mAir Canada
Tue 10/1205:00LIS - SEA
2 stops21h 25mAir Canada
Deal found 20/11£785
Tue 10/1208:05SEA - LIS
1 stop18h 10mUnited Airlines
Tue 17/1206:10LIS - SEA
1 stop15h 10mUnited Airlines
Deal found 21/11£789
Fri 6/1207:15SEA - LIS
1 stop16h 45mKLM
Sat 14/1209:45LIS - SEA
1 stop34h 07mKLM
Deal found 20/11£789
Thu 5/1205:30SEA - LIS
2 stops18h 30mDelta
Thu 12/1205:00LIS - SEA
1 stop14h 52mDelta
Deal found 20/11£792
Tue 3/1207:30SEA - LIS
1 stop17h 30mVirgin Atlantic
Thu 12/1208:50LIS - SEA
2 stops21h 35mVirgin Atlantic
Deal found 20/11£801
Tue 10/1207:20SEA - LIS
2 stops23h 25mFinnair
Sun 15/1207:45LIS - SEA
2 stops22h 53mFinnair
Deal found 21/11£858
Wed 20/1110:55SEA - LIS
2 stops19h 40mSWISS
Tue 26/1115:25LIS - SEA
2 stops39h 21mSWISS
Deal found 20/11£991
Sat 14/1214:00SEA - LIS
1 stop17h 05mLufthansa
Fri 20/1205:00LIS - SEA
1 stop15h 10mLufthansa
Deal found 21/11£1,179

Best time to book a flight from Seattle to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Lisbon

Get recent, data-driven insights about flights from Seattle to Lisbon including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Seattle to Lisbon. Price data was last updated on 15 November 2024.

The price you pay for your flight from Seattle to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 14 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Lisbon?

Currently, January is the cheapest month in which you can book a flight from Seattle to Lisbon (average of £104). Flying from Seattle to Lisbon in August is currently the most expensive (average of £274). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to LIS?

Find hourly flight availability from Seattle to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2024.

When flying from Seattle to Lisbon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 6.0 - 122.0 inches per month. December is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Lisbon when rainfall is around 6.0 mm.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated 21 November 2024.
Delta
8.0
Very Good
8,756 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,756 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Cathay Pacific
7.6
Good
878 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
663 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Finnair, at £518, was found to be the cheapest airline from Seattle to Lisbon.Alternate airlines flying return to your destination include United Airlines and Lufthansa. Finnair is priced at 35% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Lisbon one-way?

    One-way options have recently been found by users for as low as £358 on United Airlines. Other airlines that offer cheap prices include Finnair from £461 and British Airways from £567 one-way.

  • Can I find deals for flights from Seattle to Lisbon that include hotel bookings?

    Yes. In addition to deals on Seattle to Lisbon flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Lisbon.

  • Can I find deals for business class flights from Seattle to Lisbon?

    Yes. Cheapflights offers flight deals from Seattle to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Lisbon (average of £104). Flying from Seattle to Lisbon in August is currently the most expensive (average of £274). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets from Seattle to Lisbon?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Lisbon.

Can Cheapflights find flights from Seattle to Lisbon with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to Lisbon, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Seattle to Lisbon become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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