What is the cheapest airline that flies from Shannon to Seattle/Tacoma Intl?

Aer Lingus and British Airways are the most popular carriers operating from Shannon to Seattle/Tacoma Intl

When did momondo last update prices for flights from Shannon Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Shannon Airport to Seattle/Tacoma Intl Airport are updated daily.

How old do you have to be to fly from Shannon Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Shannon Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$664 Cheap Flights from Shannon to Seattle in 2026

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Find the cheapest flights from Shannon, Clare to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:25 pm - 11:43 pm

SNN

SEA

37h 18m

2 stops

7:50 pm - 7:25 pm

SEA

SNN

16h 35m

1 stop

$868Multiple Airlines

Sat, Mar 14 - Sat, Mar 21

7:50 am - 6:10 pm

SNN

SEA

17h 20m

1 stop

7:25 pm - 7:25 pm

SEA

SNN

17h 00m

1 stop

$880Multiple Airlines

Sat, Mar 14 - Thu, Mar 19

7:50 am - 6:10 pm

SNN

SEA

17h 20m

1 stop

7:25 pm - 7:25 pm

SEA

SNN

17h 00m

1 stop

$980Multiple Airlines

Sat, Mar 14 - Sat, Mar 21

7:50 am - 10:16 pm

SNN

SEA

21h 26m

2 stops

8:00 am - 11:30 am

SEA

SNN

20h 30m

2 stops

$1,036Air Canada

Sat, Mar 14 - Thu, Mar 19

7:50 am - 2:20 pm

SNN

SEA

37h 30m

2 stops

10:15 pm - 6:20 am

SEA

SNN

25h 05m

1 stop

$1,056Multiple Airlines

Sat, Mar 14 - Thu, Mar 19

7:50 am - 10:16 pm

SNN

SEA

21h 26m

2 stops

8:00 am - 4:45 pm

SEA

SNN

25h 45m

2 stops

$1,074Air Canada

Sat, Mar 14 - Sat, Mar 21

7:50 am - 10:16 pm

SNN

SEA

21h 26m

2 stops

5:50 am - 11:30 am

SEA

SNN

22h 40m

3 stops

$1,105Air Canada

Sat, Mar 14 - Sat, Mar 21

7:50 am - 10:56 pm

SNN

SEA

22h 06m

3 stops

5:50 am - 11:30 am

SEA

SNN

22h 40m

3 stops

$1,331Air Canada

Sat, Mar 14 - Sat, Mar 21

7:50 am - 9:35 am

SNN

SEA

32h 45m

3 stops

5:40 am - 11:35 pm

SEA

SNN

34h 55m

3 stops

$1,341Multiple Airlines

Sat, Mar 14 - Thu, Mar 19

Air Canada flights from Shannon, Clare to Seattle

Our best Air Canada deals on Shannon, Clare to Seattle flight tickets

Air Canada

Mar 14

SNN7:50 amShannon

21h 26m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

Mar 19

SEA8:00 amSeattle/Tacoma Intl

20h 30m

2 stops

SNN11:30 amShannon

$1,036

Air Canada

Mar 14

SNN7:50 amShannon

21h 26m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

Mar 21

SEA8:00 amSeattle/Tacoma Intl

25h 45m

2 stops

SNN4:45 pmShannon

$1,074

Air Canada

Mar 14

SNN7:50 amShannon

22h 06m

3 stops

SEA10:56 pmSeattle/Tacoma Intl

Mar 21

SEA5:50 amSeattle/Tacoma Intl

22h 40m

3 stops

SNN11:30 amShannon

$1,331

Fly from

Fly to

Route

Depart

Return

Price

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 3/14

5:25 pm-11:43 pm

2 stops37h 18m

Seattle/Tacoma Intl

Sat 3/21

7:50 pm-7:25 pm

1 stop16h 35m

$868

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 3/14

7:50 am-6:10 pm

1 stop17h 20m

Seattle/Tacoma Intl

Thu 3/19

7:25 pm-7:25 pm

1 stop17h 00m

$880

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 3/14

7:50 am-6:10 pm

1 stop17h 20m

Seattle/Tacoma Intl

Sat 3/21

7:25 pm-7:25 pm

1 stop17h 00m

$980

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 3/14

7:50 am-10:16 pm

2 stops21h 26m

Seattle/Tacoma Intl

Thu 3/19

8:00 am-11:30 am

2 stops20h 30m

$1,036

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 3/14

7:50 am-2:20 pm

2 stops37h 30m

Seattle/Tacoma Intl

Thu 3/19

10:15 pm-6:20 am

1 stop25h 05m

$1,056

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 3/14

7:50 am-10:16 pm

2 stops21h 26m

Seattle/Tacoma Intl

Sat 3/21

8:00 am-4:45 pm

2 stops25h 45m

$1,074

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 3/14

7:50 am-10:16 pm

2 stops21h 26m

Seattle/Tacoma Intl

Sat 3/21

5:50 am-11:30 am

3 stops22h 40m

$1,105

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 3/14

7:50 am-10:56 pm

3 stops22h 06m

Seattle/Tacoma Intl

Sat 3/21

5:50 am-11:30 am

3 stops22h 40m

$1,331

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 3/14

7:50 am-9:35 am

3 stops32h 45m

Seattle/Tacoma Intl

Thu 3/19

5:40 am-11:35 pm

3 stops34h 55m

$1,341

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Tue 2/24

5:30 pm-6:20 pm

2 stops32h 50m

$664

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Shannon, Clare to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Shannon, Clare to Seattle flights?

You could potentially save up to 5% on your flight if you consider stops on a Shannon, Clare to Seattle flight.

When to book flights from Shannon, Clare to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Shannon, Clare to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Shannon, Clare to Seattle (SNN to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Shannon, Clare to Seattle

Fastest flight time	14h 19m
Direct flights	None

The fastest flight from Shannon, Clare to Seattle takes 14h 19m

There are no direct flights from Shannon, Clare to Seattle. There are no popular flight routes from Shannon, Clare to Seattle.

Search flight deals

How far is Shannon to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 4478.2 mi away from Shannon. Flights usually cover this in 14h 19m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Shannon Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Shannon Airport to Seattle/Tacoma Intl Airport are updated daily.
How old do you have to be to fly from Shannon Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Shannon Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Why should I use momondo to find a flight deal from Shannon to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Shannon to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Shannon to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Shannon to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Shannon to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Shannon.

I’m not ready to book a flight from Shannon to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Shannon are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.