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$671+ Cheap flights from Seattle (SEA) to Liverpool (LPL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LPL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Seattle to Liverpool

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Liverpool (LPL). 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 September 11, 2025.

Round-trip from

$671
(Mytrip)
From Seattle/Tacoma Intl to Liverpool J. Lennon
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Find flight deals from Seattle to Liverpool

Cheapest flights from Seattle to Liverpool
Explore the most affordable flight options available from Seattle to Liverpool. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/253:50 pmSEA - LPL
2 stops23h 45mMultiple Airlines
Sat 11/18:20 amLPL - SEA
2 stops16h 40mMultiple Airlines
Deal found 9/10$671
This Trip.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:35 pmSEA - LPL
1 stop17h 30mAer Lingus
Sat 11/18:35 pmLPL - SEA
1 stop29h 45mAer Lingus
Deal found 9/10$1,044

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Liverpool 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Seattle to Liverpool that are best for you.

Fly from

Seattle

Fly to

Liverpool

Route

Depart

Return

Price

SeattleLiverpool

SEA - LPL

SEALPL

Seattle/Tacoma Intl

Sat 10/25

3:50 pm-11:35 pm

2 stops23h 45m

Liverpool J. Lennon

Sat 11/1

8:20 am-6:00 pm

2 stops16h 40m

$671

SeattleLiverpool

SEA - LPL

SEALPL

Seattle/Tacoma Intl

Sat 10/25

7:35 pm-8:05 pm

1 stop17h 30m

Liverpool J. Lennon

Sat 11/1

8:35 pm-7:20 pm

1 stop29h 45m

$1,044

SeattleLiverpool

SEA - LPL

SEALPL

Seattle/Tacoma Intl

Mon 3/2

8:05 pm-10:20 am

1 stop30h 15m

Liverpool J. Lennon

Fri 3/6

10:50 am-6:20 pm

1 stop15h 30m

$1,209

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Seattle to Liverpool

Have a flexible travel schedule? Discover the best time to fly to Liverpool from Seattle 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 Seattle to Liverpool

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Liverpool (average of $670). Flying from Seattle to Liverpool in June is currently the most expensive (average of $1,267). 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 LPL?

Find hourly flight availability from Seattle to Liverpool. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Liverpool as you normally would.

Reviews of airlines servicing Liverpool

Get insights into the airlines that provide service to Liverpool. 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 Liverpool. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Aer Lingus from Seattle to Liverpool by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.2
Good
1,271 reviews

Boarding

7.3

Overall

7.2

Entertainment

6.9

Food

6.5

Crew

8.0

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
Aer Lingus
7.2
Good
1,271 reviews
Aer Lingus
7.2
Good
1,271 reviews

Boarding

7.3

Overall

7.2

Entertainment

6.9

Food

6.5

Crew

8.0

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Liverpool. 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 Seattle to Liverpool?

    Departing from Seattle to Liverpool will take you 17h 30m. Seattle and Liverpool are separated by a distance of 4619 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Seattle to Liverpool round-trip?

    Currently priced at $667, Aer Lingus will fly you from Seattle to Liverpool and back. In addition to Aer Lingus, many other airlines offer competitively priced options for your trip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Liverpool 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 Liverpool?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Liverpool (average of $670). Flying from Seattle to Liverpool in June is currently the most expensive (average of $1,267). 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.

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Alternative routes for Seattle to Liverpool

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Top airline flying from Seattle to Liverpool

Discover the top airline that operate flights from Seattle to Liverpool. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$667Average$965FlexibilityNo cancel feeOn-timeN/A

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