How long is the flight from Lisbon to Seattle?

A quick flight from Lisbon to Seattle can take about 18h 46m. British Airways provides one of the quickest options available for as low as $755. There are 5199 mi between Lisbon and Seattle.

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

Flying on British Airways is currently your cheapest option to Seattle, with prices starting at $720. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air France, with the lowest prices starting at $738 and $762, respectively. British Airways is priced at 23% lower than the current average price of a flight leaving 3 months from now.

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

Travelers seeking maximum savings on their Lisbon to Seattle flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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

Air France, British Airways and Delta are the most popular airlines when flying from Lisbon to Seattle.

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

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

How can I find direct flights from Lisbon to Seattle?

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

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

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

$382+ Cheap Flights from Lisbon to Seattle

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Seattle/Tacoma Intl are usually found in December or April, booked 49 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Lisbon to Seattle

Round-trip from	$689 (Kiwi.com)
One-way from	$382 (Kiwi.com)
Popular in	July
Cheapest in	December
Average price	$912

From Lisbon Humberto Delgado to Seattle/Tacoma Intl

Search Deals

One-way flight from Lisbon Humberto Delgado to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($164 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Lisbon to Seattle

Cheapest flights from Lisbon to Seattle
Explore the most affordable flight options available from Lisbon to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Thu 11/61:15 pmLIS - SEA

2 stops29h 20mMultiple Airlines

Wed 11/1210:05 amSEA - LIS

1 stop17h 35mMultiple Airlines

Deal found 9/17

$689

Thu 11/61:15 pmLIS - SEA

2 stops29h 20mMultiple Airlines

Mon 11/1010:05 amSEA - LIS

1 stop17h 35mMultiple Airlines

Deal found 9/17

$694

Wed 11/198:35 amLIS - SEA

1 stop18h 30mMultiple Airlines

Tue 11/257:57 amSEA - LIS

1 stop14h 48mMultiple Airlines

Deal found 9/15

$716

Tue 11/189:05 amLIS - SEA

2 stops33h 30mMultiple Airlines

Fri 11/288:39 amSEA - LIS

1 stop19h 01mMultiple Airlines

Deal found 9/15

$719

Wed 11/198:35 amLIS - SEA

1 stop18h 30mMultiple Airlines

Sat 11/297:57 amSEA - LIS

1 stop14h 48mMultiple Airlines

Deal found 9/15

$729

Thu 11/66:30 amLIS - SEA

2 stops24h 48mMultiple Airlines

Sat 11/226:50 pmSEA - LIS

1 stop19h 40mMultiple Airlines

Deal found 9/16

$753

Mon 9/2211:05 amLIS - SEA

1 stop32h 55mAmerican Airlines

Sun 10/53:00 pmSEA - LIS

2 stops24h 05mAmerican Airlines

Deal found 9/15

$754

Thu 11/610:55 amLIS - SEA

1 stop19h 25mAmerican Airlines

Sat 11/221:35 pmSEA - LIS

1 stop24h 55mAmerican Airlines

Deal found 9/16

$755

Mon 11/35:40 pmLIS - SEA

2 stops48h 55mMultiple Airlines

Fri 11/287:05 amSEA - LIS

1 stop14h 20mMultiple Airlines

Deal found 9/15

$756

Thu 11/610:55 amLIS - SEA

1 stop19h 14mBritish Airways

Sat 11/226:50 pmSEA - LIS

1 stop19h 40mBritish Airways

Deal found 9/15

$757

Best flights from Lisbon to Seattle
Discover carefully curated flight deals from Lisbon to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Thu 11/61:15 pmLIS - SEA

2 stops29h 20mMultiple Airlines

Fri 11/147:00 amSEA - LIS

1 stop14h 25mMultiple Airlines

Deal found 9/17

$689

Tue 3/311:10 amLIS - SEA

1 stop18h 46mBritish Airways

Tue 3/107:50 pmSEA - LIS

1 stop14h 50mBritish Airways

Deal found 9/15

$755

Thu 11/610:55 amLIS - SEA

1 stop19h 25mAmerican Airlines

Sat 11/221:35 pmSEA - LIS

1 stop24h 55mAmerican Airlines

Deal found 9/16

$755

Thu 11/61:15 pmLIS - SEA

2 stops29h 20mMultiple Airlines

Wed 11/1210:05 amSEA - LIS

1 stop17h 35mMultiple Airlines

Deal found 9/17

$689

Sun 11/1611:05 amLIS - SEA

1 stop19h 04mBritish Airways

Mon 11/2411:42 amSEA - LIS

2 stops26h 13mBritish Airways

Deal found 9/15

$755

Mon 11/1711:05 amLIS - SEA

1 stop19h 04mBritish Airways

Mon 11/2411:42 amSEA - LIS

2 stops26h 13mBritish Airways

Deal found 9/15

$755

Wed 3/411:15 amLIS - SEA

1 stop18h 41mBritish Airways

Tue 3/101:48 pmSEA - LIS

2 stops24h 57mBritish Airways

Deal found 9/15

$755

Thu 3/510:55 amLIS - SEA

1 stop19h 01mBritish Airways

Tue 3/101:48 pmSEA - LIS

2 stops24h 57mBritish Airways

Deal found 9/15

$755

Wed 11/1911:05 amLIS - SEA

1 stop19h 04mBritish Airways

Mon 11/2411:42 amSEA - LIS

2 stops26h 13mBritish Airways

Deal found 9/15

$755

Sun 3/111:05 amLIS - SEA

1 stop18h 51mBritish Airways

Tue 3/101:48 pmSEA - LIS

2 stops24h 57mBritish Airways

Deal found 9/15

$755

Wed 3/411:15 amLIS - SEA

1 stop18h 41mBritish Airways

Sun 3/81:48 pmSEA - LIS

2 stops24h 57mBritish Airways

Deal found 9/15

$755

Last-minute flights from Lisbon to Seattle
Discover last-minute flight deals from Lisbon to Seattle. Data last updated September 17, 2025 and is based on user searches.

Mon 9/2211:05 amLIS - SEA

1 stop32h 55mAmerican Airlines

Sun 10/53:00 pmSEA - LIS

2 stops24h 05mAmerican Airlines

Deal found 9/15

$754

Mon 9/227:30 pmLIS - SEA

1 stop24h 15mMultiple Airlines

Sun 10/56:35 pmSEA - LIS

1 stop19h 50mMultiple Airlines

Deal found 9/15

$760

Mon 9/2211:05 amLIS - SEA

1 stop18h 59mBritish Airways

Mon 10/62:52 pmSEA - LIS

2 stops19h 03mBritish Airways

Deal found 9/15

$773

Mon 9/226:45 pmLIS - SEA

2 stops30h 44mBritish Airways

Sun 10/53:00 pmSEA - LIS

2 stops24h 05mBritish Airways

Deal found 9/15

$802

Fri 10/175:00 amLIS - SEA

1 stop14h 50mMultiple Airlines

Wed 10/221:30 pmSEA - LIS

1 stop13h 45mMultiple Airlines

Deal found 9/15

$759

Fri 10/175:00 amLIS - SEA

1 stop14h 50mDelta

Wed 10/226:35 pmSEA - LIS

1 stop15h 20mDelta

Deal found 9/16

$761

Fri 10/175:00 amLIS - SEA

1 stop14h 50mMultiple Airlines

Thu 10/236:35 pmSEA - LIS

1 stop15h 15mMultiple Airlines

Deal found 9/16

$762

Thu 10/305:30 amLIS - SEA

1 stop13h 55mAir France

Thu 11/61:40 pmSEA - LIS

1 stop13h 40mAir France

Deal found 9/15

$765

Thu 10/305:30 amLIS - SEA

1 stop13h 55mDelta

Thu 11/611:25 amSEA - LIS

2 stops19h 45mDelta

Deal found 9/15

$766

Thu 10/305:00 amLIS - SEA

2 stops24h 16mMultiple Airlines

Thu 11/68:10 amSEA - LIS

2 stops31h 20mMultiple Airlines

Deal found 9/15

$816

Fri 10/315:30 amLIS - SEA

1 stop15h 50mDelta

Fri 11/79:46 amSEA - LIS

2 stops17h 34mDelta

Deal found 9/16

$767

One-way flights from Lisbon to Seattle
Search for one-way flight options from Lisbon to Seattle. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Mon 11/35:40 pmLIS - SEA

2 stops48h 55mMultiple Airlines

Deal found 9/15

$382

Tue 12/911:25 amLIS - SEA

2 stops35h 31mMultiple Airlines

Deal found 9/16

$395

Wed 12/243:10 pmLIS - SEA

3 stops51h 13mMultiple Airlines

Deal found 9/16

$400

Wed 10/158:45 pmLIS - SEA

3 stops50h 31mMultiple Airlines

Deal found 9/16

$418

Tue 11/259:05 pmLIS - SEA

3 stops49h 15mMultiple Airlines

Deal found 9/17

$419

Fri 12/265:20 pmLIS - SEA

3 stops49h 03mMultiple Airlines

Deal found 9/17

$448

Fly from

Fly to

Route

Depart

Return

Price

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 11/6

1:15 pm-10:35 am

2 stops29h 20m

Seattle/Tacoma Intl

Fri 11/14

7:00 am-5:25 am

1 stop14h 25m

$689

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 11/6

1:15 pm-10:35 am

2 stops29h 20m

Seattle/Tacoma Intl

Wed 11/12

10:05 am-11:40 am

1 stop17h 35m

$689

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Tue 3/3

11:10 am-9:56 pm

1 stop18h 46m

Seattle/Tacoma Intl

Tue 3/10

7:50 pm-5:40 pm

1 stop14h 50m

$755

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 11/6

10:55 am-10:20 pm

1 stop19h 25m

Seattle/Tacoma Intl

Sat 11/22

1:35 pm-10:30 pm

1 stop24h 55m

$755

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sun 11/16

11:05 am-10:09 pm

1 stop19h 04m

Seattle/Tacoma Intl

Mon 11/24

11:42 am-9:55 pm

2 stops26h 13m

$755

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 11/17

11:05 am-10:09 pm

1 stop19h 04m

Seattle/Tacoma Intl

Mon 11/24

11:42 am-9:55 pm

2 stops26h 13m

$755

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 3/4

11:15 am-9:56 pm

1 stop18h 41m

Seattle/Tacoma Intl

Tue 3/10

1:48 pm-9:45 pm

2 stops24h 57m

$755

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 3/5

10:55 am-9:56 pm

1 stop19h 01m

Seattle/Tacoma Intl

Tue 3/10

1:48 pm-9:45 pm

2 stops24h 57m

$755

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 11/19

11:05 am-10:09 pm

1 stop19h 04m

Seattle/Tacoma Intl

Mon 11/24

11:42 am-9:55 pm

2 stops26h 13m

$755

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sun 3/1

11:05 am-9:56 pm

1 stop18h 51m

Seattle/Tacoma Intl

Tue 3/10

1:48 pm-9:45 pm

2 stops24h 57m

$755

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 20 results

Best time to book a flight from Lisbon to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Lisbon with our price prediction graph.

Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Lisbon to Seattle

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

The price you pay for your flight from Lisbon to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 49 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 Lisbon to Seattle?

Currently, January is the cheapest month in which you can book a flight from Lisbon to Seattle (average of $238). Flying from Lisbon to Seattle in June is currently the most expensive (average of $387). 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 LIS to SEA?

Unlike in the morning, when flights are generally more expensive, you can save up to 18% on flights from Lisbon to Seattle by exploring options for tickets in the afternoon.

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Lisbon to Seattle, such as Delta, Air France, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Delta

8.0

Very good

7,961 reviews

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Air France

7.4

Good

1,468 reviews

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

United Airlines

7.4

Good

8,926 reviews

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

British Airways

6.7

Okay

7,367 reviews

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

How long is the flight from Lisbon to Seattle?
A quick flight from Lisbon to Seattle can take about 18h 46m. British Airways provides one of the quickest options available for as low as $755. There are 5199 mi between Lisbon and Seattle.
What are the cheapest airlines flying from Lisbon to Seattle round-trip?
Flying on British Airways is currently your cheapest option to Seattle, with prices starting at $720. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air France, with the lowest prices starting at $738 and $762, respectively. British Airways is priced at 23% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Lisbon to Seattle that include hotel bookings?
Yes. In addition to deals on Lisbon to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lisbon to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Seattle.
Can I find deals for business class flights from Lisbon to Seattle?
Yes. Cheapflights offers flight deals from Lisbon to Seattle 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 Lisbon to Seattle?
Currently, January is the cheapest month in which you can book a flight from Lisbon to Seattle (average of $238). Flying from Lisbon to Seattle in June is currently the most expensive (average of $387). 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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Other flights to Seattle

Top 4 airlines flying from Lisbon to Seattle

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$720	Average$1,016	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$738	Average$1,214	FlexibilityNo cancel fee	On-time69%
Air France	Cheapest$762	Average$1,151	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$775	Average$1,019	FlexibilityNo cancel fee	On-timeN/A

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$382+ Cheap flights from Lisbon (LIS) to Seattle (SEA)

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lisbon to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Seattle/Tacoma Intl are usually found in December or April, booked 49 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Lisbon to Seattle

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Lisbon to Seattle

Cheapest flights from Lisbon to SeattleExplore the most affordable flight options available from Lisbon to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Explore the most affordable flight options available from Lisbon to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lisbon to Seattle that are best for you.

Best time to book a flight from Lisbon to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Lisbon with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Lisbon to Seattle

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

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

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

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Lisbon to Seattle, such as Delta, Air France, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Lisbon to Seattle?

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

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

How can I find direct flights from Lisbon to Seattle?

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

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

Traveling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Lisbon to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Lisbon to Seattle

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Cheapest flights from Lisbon to Seattle
Explore the most affordable flight options available from Lisbon to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.