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$790+ Cheap flights from Shannon (SNN) to Seattle (SEA)

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — SEA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Shannon to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Shannon (SNN) to Seattle (SEA). 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 February 20, 2025.

Round-trip from

$790
(American Airlines)
From Shannon to Seattle/Tacoma Intl
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Find flight deals from Shannon to Seattle

Cheapest flights from Shannon to Seattle
Explore the most affordable flight options available from Shannon to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/87:40 amSNN - SEA
1 stop18h 40mAmerican Airlines
Sun 4/131:30 pmSEA - SNN
1 stop18h 40mAmerican Airlines
Deal found 2/19$790
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/612:30 pmSNN - SEA
1 stop16h 40mUnited Airlines
Sun 4/136:15 amSEA - SNN
2 stops20h 00mUnited Airlines
Deal found 2/19$803
This British Airways deal was found by Cheapflights users on 2/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/89:15 pmSNN - SEA
1 stop22h 20mBritish Airways
Fri 4/188:20 pmSEA - SNN
1 stop31h 00mBritish Airways
Deal found 2/19$821
This KAYAK deal was found by Cheapflights users on 2/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/225:25 pmSNN - SEA
2 stops32h 50mAer Lingus
Sat 3/2911:49 pmSEA - SNN
1 stop21h 36mAer Lingus
Deal found 2/19$841
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/251:05 pmSNN - SEA
1 stop17h 18mDelta
Sun 8/310:55 pmSEA - SNN
1 stop28h 15mDelta
Deal found 2/20$866
This Gotogate deal was found by Cheapflights users on 2/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/225:25 pmSNN - SEA
2 stops32h 50mMultiple Airlines
Sat 3/297:05 pmSEA - SNN
2 stops56h 15mMultiple Airlines
Deal found 2/19$891
This Air Canada deal was found by Cheapflights users on 2/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/227:45 amSNN - SEA
3 stops33h 05mAir Canada
Sat 3/2910:35 amSEA - SNN
3 stops21h 30mAir Canada
Deal found 2/19$1,043

Find flights from Shannon to Seattle within your budget

Customize your flight search to find flights from Shannon to Seattle 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 February 20, 2025.

Fly from

Shannon

Fly to

Seattle

Route

Depart

Return

Price

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Tue 4/8

7:40 am-6:20 pm

1 stop18h 40m

Seattle/Tacoma Intl

Sun 4/13

1:30 pm-4:10 pm

1 stop18h 40m

$790

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sun 4/6

12:30 pm-11:49 am

3 stops31h 19m

Seattle/Tacoma Intl

Sun 4/13

10:50 am-10:15 am

2 stops15h 25m

$803

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Tue 4/8

9:15 pm-11:35 am

1 stop22h 20m

Seattle/Tacoma Intl

Fri 4/18

8:20 pm-11:20 am

1 stop31h 00m

$821

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 3/22

5:25 pm-7:15 pm

2 stops32h 50m

Seattle/Tacoma Intl

Sat 3/29

11:49 pm-5:25 am

1 stop21h 36m

$841

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Fri 7/25

1:05 pm-10:23 pm

1 stop17h 18m

Seattle/Tacoma Intl

Sun 8/3

10:55 pm-11:10 am

1 stop28h 15m

$866

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 3/22

5:25 pm-7:15 pm

2 stops32h 50m

Seattle/Tacoma Intl

Sat 3/29

7:05 pm-11:20 am

2 stops56h 15m

$891

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 3/22

7:45 am-9:50 am

3 stops33h 05m

Seattle/Tacoma Intl

Sat 3/29

10:35 am-3:05 pm

3 stops21h 30m

$1,043

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Best time to book a flight from Shannon to Seattle

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

Travel insights for flights from Shannon to Seattle

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

Rainfall in Seattle by month

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

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.

Temperature in Seattle by month

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

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).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated February 20, 2025.
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus
7.0
Good
1,070 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada
7.0
Good
8,748 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Shannon 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 Shannon, Clare to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Shannon, Clare to Seattle (average of $238). Flying from Shannon, Clare to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

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Alternative routes for Shannon to Seattle

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