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Shannon

$584+ Cheap flights from Seattle (SEA) to Shannon (SNN)

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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SNN
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Shannon are usually found in January or October, booked 32 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Seattle to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Shannon (SNN). 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 December 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$614
(American Airlines)

One-way from

$584
(Delta)

Popular in

June

Cheapest in

January

Average price

$1,132
Provider with most accurate pricing for Seattle/Tacoma Intl-Shannon flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Shannon flights.
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From Seattle/Tacoma Intl to Shannon
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One-way flight from Seattle/Tacoma Intl to Shannon
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High demand for flights, 14% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Seattle to Shannon

Cheapest flights from Seattle to Shannon
Explore the most affordable flight options available from Seattle to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This KAYAK deal was found by Cheapflights users on 12/18. 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.
Mon 12/237:59 pmSEA - SNN
2 stops55h 31mBritish Airways
Sat 1/115:25 pmSNN - SEA
2 stops38h 34mBritish Airways
Deal found 12/18$1,188
This Air Canada deal was found by Cheapflights users on 12/19. 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.
Mon 12/236:05 amSEA - SNN
2 stops26h 40mAir Canada
Sat 1/117:45 amSNN - SEA
3 stops22h 15mAir Canada
Deal found 12/19$1,548
This CheapOair deal was found by Cheapflights users on 12/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:50 pmSEA - SNN
1 stop13h 55mMultiple Airlines
Sat 1/117:45 amSNN - SEA
1 stop17h 10mMultiple Airlines
Deal found 12/18$1,646
This American Airlines deal was found by Cheapflights users on 12/19. 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.
Sun 12/2212:55 amSEA - SNN
2 stops21h 20mAmerican Airlines
Sat 1/117:45 amSNN - SEA
2 stops22h 58mAmerican Airlines
Deal found 12/19$2,537

Find flights from Seattle to Shannon within your budget

Customize your flight search to find flights from Seattle to Shannon 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 December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 1/16

1:35 pm-4:45 pm

2 stops19h 10m

Shannon

Thu 1/23

7:45 am-9:18 pm

2 stops21h 33m

$614

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 1/14

10:35 am-4:45 pm

3 stops22h 10m

Shannon

Mon 1/20

8:05 pm-9:30 pm

2 stops33h 25m

$724

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 1/14

6:50 pm-4:45 pm

1 stop13h 55m

Shannon

Mon 1/20

5:30 pm-11:20 am

1 stop25h 50m

$753

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 1/14

1:35 pm-7:25 pm

2 stops21h 50m

Shannon

Mon 1/20

8:05 pm-11:20 am

1 stop23h 15m

$773

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 1/16

10:35 am-4:45 pm

3 stops22h 10m

Shannon

Thu 1/23

7:45 am-10:00 pm

3 stops22h 15m

$774

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 6/6

4:30 pm-7:30 am

2 stops31h 00m

Shannon

Sat 6/14

9:30 am-11:26 am

2 stops33h 56m

$1,039

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 6/13

11:15 am-11:10 am

1 stop15h 55m

$584

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 6/13

7:30 pm-7:30 am

2 stops28h 00m

$590

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 6/12

1:33 am-5:25 am

2 stops19h 52m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Compare providers for flights from Seattle to Shannon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Shannon in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Shannon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Shannon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Shannon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Shannon flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Shannon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Shannon

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

Travel insights for flights from Seattle to Shannon

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Shannon. Price data was last updated on December 13, 2024.

The price you pay for your flight from Seattle to Shannon may vary depending on when you book. For the best chance of a lower fare, look to book 29 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 Shannon?

Currently, February is the cheapest month in which you can book a flight from Seattle to Shannon (average of $533). Flying from Seattle to Shannon in June is currently the most expensive (average of $1,007). 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 SNN?

Find hourly flight availability from Seattle to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

Unlike in the evening, when flights are generally more expensive, you can save up to 12% on flights from Seattle to Shannon by exploring options for tickets in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Shannon. Price data was last updated on December 16, 2024.

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

Rainfall in Shannon by month

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

In terms of precipitation, rainfall in Shannon ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon when rainfall is around 2.3 in.

Temperature in Shannon by month

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

If weather is an important factor for your trip to Shannon, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. 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 Shannon. Reviews last updated December 19, 2024.
Delta
8.0
Very good
8,600 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

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
8,600 reviews
Delta
8.0
Very good
8,600 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

United Airlines
7.4
Good
9,048 reviews
Delta
8.0
Very good
8,600 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,600 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

Aer Lingus
7.1
Good
1,078 reviews
Delta
8.0
Very good
8,600 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

Air Canada
7.0
Good
8,391 reviews
Delta
8.0
Very good
8,600 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

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 Shannon. 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 Shannon round-trip?

    According to our current data, American Airlines ($614), British Airways ($753), and Aer Lingus ($773) offers the cheapest pricing from Seattle to Shannon. Users have found that American Airlines is 32% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $584. United Airlines flights start at $590 while deals on American Airlines start at $684 one-way.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Seattle to Shannon (average of $533). Flying from Seattle to Shannon in June is currently the most expensive (average of $1,007). 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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Top 5 airlines flying from Seattle to Shannon

Discover the top 5 airlines that operate flights from Seattle to Shannon. 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 December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$493Average$867FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$573Average$874FlexibilityNo cancel feeOn-time69%
DeltaCheapest$613Average$894FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$703Average$795FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$767Average$950FlexibilityNo cancel feeOn-time70%
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