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Cheap flights from Shannon (SNN) to Seattle (SEA) from $638

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SNN — SEA
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
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 May 16, 2024.

Round-trip from

$247
From Shannon to Seattle/Tacoma Intl
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When is the cheapest time to fly from Shannon to Seattle (SNN - SEA)?

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

Cheap KLM flights from Shannon to Seattle

Explore cheap flight options specifically provided by KLM for the route between Shannon and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Find some of the cheapest KLM flights traveling from Shannon to Seattle. Make sure to double check the flight details before booking.
Sun 5/2612:50 pmSNN - SEA
1 stop17h 28mKLM
Sat 6/17:10 amSEA - SNN
1 stop19h 40mKLM
Deal found 5/16$638
Mon 6/1712:50 pmSNN - SEA
1 stop17h 35mKLM
Fri 6/216:00 amSEA - SNN
2 stops20h 50mKLM
Deal found 5/15$963

Cheap United Airlines flights from Shannon to Seattle

Explore cheap flight options specifically provided by United Airlines for the route between Shannon and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Browse through some of the cheapest United Airlines flights traveling from Shannon to Seattle. Make sure to examine the flight information before completing your reservation.
Sun 5/2612:30 pmSNN - SEA
1 stop16h 53mUnited Airlines
Sat 6/18:53 amSEA - SNN
3 stops17h 37mUnited Airlines
Deal found 5/16$814
Mon 6/179:30 amSNN - SEA
1 stop20h 53mUnited Airlines
Thu 6/2012:25 amSEA - SNN
1 stop23h 05mUnited Airlines
Deal found 5/15$972
Mon 6/179:30 amSNN - SEA
2 stops16h 07mUnited Airlines
Thu 6/2012:25 amSEA - SNN
1 stop23h 05mUnited Airlines
Deal found 5/15$976
Mon 6/179:30 amSNN - SEA
3 stops20h 45mUnited Airlines
Fri 6/215:05 amSEA - SNN
2 stops18h 25mUnited Airlines
Deal found 5/15$1,061
Mon 6/179:30 amSNN - SEA
3 stops20h 45mUnited Airlines
Thu 6/2012:25 amSEA - SNN
1 stop23h 05mUnited Airlines
Deal found 5/15$1,105

Cheap Shannon to Seattle flights in May & June 2024

Find cheap flight options from Shannon to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
These are some of the best deals we've found on flights to Seattle in 2024 at this time. For more flight deals, be sure to check back very soon.
Sun 5/2612:50 pmSNN - SEA
1 stop17h 28mKLM
Sat 6/17:10 amSEA - SNN
1 stop19h 40mKLM
Deal found 5/16$638
Sun 5/2612:30 pmSNN - SEA
1 stop16h 53mUnited Airlines
Sat 6/18:53 amSEA - SNN
3 stops17h 37mUnited Airlines
Deal found 5/16$814
Mon 6/1712:50 pmSNN - SEA
1 stop17h 35mKLM
Fri 6/216:00 amSEA - SNN
2 stops20h 50mKLM
Deal found 5/15$963
Mon 6/179:30 amSNN - SEA
1 stop20h 53mUnited Airlines
Thu 6/2012:25 amSEA - SNN
1 stop23h 05mUnited Airlines
Deal found 5/15$972
Mon 6/179:30 amSNN - SEA
2 stops16h 07mUnited Airlines
Thu 6/2012:25 amSEA - SNN
1 stop23h 05mUnited Airlines
Deal found 5/15$976
Mon 6/179:30 amSNN - SEA
3 stops20h 45mUnited Airlines
Fri 6/215:05 amSEA - SNN
2 stops18h 25mUnited Airlines
Deal found 5/15$1,061
Mon 6/179:30 amSNN - SEA
3 stops20h 45mUnited Airlines
Thu 6/2012:25 amSEA - SNN
1 stop23h 05mUnited Airlines
Deal found 5/15$1,105

Shannon to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Shannon and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
These are some of the best deals we've found on flights to Seattle in 2024 at this time. For more flight deals, be sure to check back very soon.
Sun 5/2612:50 pmSNN - SEA
1 stop17h 28mKLM
Sat 6/17:10 amSEA - SNN
1 stop19h 40mKLM
Deal found 5/16$638
Sun 5/2612:30 pmSNN - SEA
1 stop16h 53mUnited Airlines
Sat 6/18:53 amSEA - SNN
3 stops17h 37mUnited Airlines
Deal found 5/16$814
Mon 6/1712:50 pmSNN - SEA
1 stop17h 35mKLM
Fri 6/216:00 amSEA - SNN
2 stops20h 50mKLM
Deal found 5/15$963
Mon 6/179:30 amSNN - SEA
1 stop20h 53mUnited Airlines
Thu 6/2012:25 amSEA - SNN
1 stop23h 05mUnited Airlines
Deal found 5/15$972
Mon 6/179:30 amSNN - SEA
2 stops16h 07mUnited Airlines
Thu 6/2012:25 amSEA - SNN
1 stop23h 05mUnited Airlines
Deal found 5/15$976
Mon 6/179:30 amSNN - SEA
3 stops20h 45mUnited Airlines
Fri 6/215:05 amSEA - SNN
2 stops18h 25mUnited Airlines
Deal found 5/15$1,061
Mon 6/179:30 amSNN - SEA
3 stops20h 45mUnited Airlines
Thu 6/2012:25 amSEA - SNN
1 stop23h 05mUnited Airlines
Deal found 5/15$1,105

Shannon to Seattle flights leaving soon

Find last-minute flight options from Shannon to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Book one of these great deals on flights from Shannon to Seattle. Users should be sure to double check the price, date, and time of their last-minute flight.
Sun 5/2612:50 pmSNN - SEA
1 stop17h 28mKLM
Sat 6/17:10 amSEA - SNN
1 stop19h 40mKLM
Deal found 5/16$638
Sun 5/2612:30 pmSNN - SEA
1 stop16h 53mUnited Airlines
Sat 6/18:53 amSEA - SNN
3 stops17h 37mUnited Airlines
Deal found 5/16$814

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$638 - $1,105

Route

Depart

Return

Price

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Sun 5/26

1 stop17h 28m

Seattle/Tacoma Intl

Sat 6/1

1 stop19h 40m

$638

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Sun 5/26

1 stop16h 53m

Seattle/Tacoma Intl

Sat 6/1

3 stops17h 37m

$814

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Mon 6/17

1 stop17h 35m

Seattle/Tacoma Intl

Fri 6/21

2 stops20h 50m

$963

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Mon 6/17

1 stop20h 53m

Seattle/Tacoma Intl

Thu 6/20

1 stop23h 05m

$972

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Mon 6/17

2 stops16h 07m

Seattle/Tacoma Intl

Thu 6/20

1 stop23h 05m

$976

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Mon 6/17

3 stops20h 45m

Seattle/Tacoma Intl

Fri 6/21

2 stops18h 25m

$1,061

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Mon 6/17

3 stops20h 45m

Seattle/Tacoma Intl

Thu 6/20

1 stop23h 05m

$1,105

Flights are sorted by cheapest first

Deals found on 5/16

When is the cheapest time to fly from Shannon to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Shannon to Seattle. Price data was last updated on April 14, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Shannon to Seattle flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Seattle by month

Plan your trip from Shannon to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Shannon to Seattle is currently $0 while a round-trip flight costs $933. Price data was last updated on May 12, 2024.

Currently, January is the cheapest month in which you can book a flight from Shannon to Seattle (average of $247). Flying from Shannon to Seattle in July is currently the most expensive (average of $407). 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.

January

$247

February

$254

March

$288

April

$294

May

$318

June

$404

July

$407

August

$344

September

$278

October

$256

November

$258

December

$248

Temperature and rainfall in Seattle by month

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

SEA

Temperature

41 - 66.2 °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 May 16, 2024.
See what other customers who have flown with KLM and United Airlines from Shannon to Seattle have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.9
Good
1,568 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.9

Boarding

7.8

Comfort

7.6

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,568 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.9

Boarding

7.8

Comfort

7.6

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

United Airlines
7.4
Good
10,924 reviews
KLM
7.9
Good
1,568 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.9

Boarding

7.8

Comfort

7.6

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

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 flights from Shannon to Seattle for under $700 on Cheapflights?

    Yes, there are multiple flights from Shannon to Seattle for under $700. The cheapest flight booked recently is on KLM for just $638, but on average you can expect to pay $932.

  • Are there last-minute flights available from Shannon to Seattle for under $700?

    There are currently 2+ open flights from Shannon to Seattle within the next 7 days for less than $700.

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

    Our cheapest airline available from Shannon to Seattle is KLM. Our recent data shows that you can find tickets from as low as $638 on this airline. An additional option worth looking into is United Airlines, starting at $814.

  • What does SNN to SEA mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Shannon Airport to Seattle/Tacoma Intl Airport flight would often be abbreviated as a SNN to SEA flight.

  • Can I find deals for flights from Shannon to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Shannon to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Shannon to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Shannon to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Shannon to Seattle that allow pets onboard?

    Many airlines flying from Shannon to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Shannon to Seattle?

    Yes, you can often find last-minute deals on Shannon to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Shannon to Seattle flight deals updated?

    The Shannon to Seattle flight deals you see on this page were last updated on 5/16.

See more FAQs

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Search flights from Shannon to Seattle by cabin class

Find flights from Shannon to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Shannon to Seattle?

Cheapflights makes it easy to find Shannon to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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 Shannon to Seattle.

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

Certainly. Search results for flights to Seattle from Shannon shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Shannon to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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