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

British Airways is the most popular carrier 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.

$524 Cheap Flights from Shannon, Clare to Seattle in 2026/27

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.

7:50 am - 4:50 pmSNN Shannon-SEA Seattle/Tacoma Intl

17h 00m1 stop London Heathrow

6:45 pm - 4:45 pmSEA Seattle/Tacoma Intl-SNN Shannon

14h 00m1 stop London Heathrow

$756British Airways

Mon, Mar 1 - Sat, Mar 13

7:30 am - 6:25 pmSNN Shannon-SEA Seattle/Tacoma Intl

18h 55m1 stop London Heathrow

8:20 pm - 8:35 pmSEA Seattle/Tacoma Intl-SNN Shannon

16h 15m1 stop London Heathrow

$787British Airways

Sat, Apr 3 - Sun, Apr 11

7:50 am - 5:00 pmSNN Shannon-SEA Seattle/Tacoma Intl

17h 10m1 stop London Heathrow

6:45 pm - 7:25 pmSEA Seattle/Tacoma Intl-SNN Shannon

16h 40m1 stop London Heathrow

$847Multiple Airlines

Sat, Nov 14 - Tue, Nov 17

2:00 pm - 11:55 amSNN Shannon-SEA Seattle/Tacoma Intl

29h 55m2 stops Boston Logan Intl Philadelphia

6:06 am - 5:50 amSEA Seattle/Tacoma Intl-SNN Shannon

15h 44m2 stops Chicago O'Hare Intl Boston Logan Intl

$866American Airlines

Thu, Jan 14 - Mon, Jan 18

2:00 pm - 11:55 amSNN Shannon-SEA Seattle/Tacoma Intl

29h 55m2 stops Boston Logan Intl Philadelphia

6:06 am - 5:50 amSEA Seattle/Tacoma Intl-SNN Shannon

15h 44m2 stops Chicago O'Hare Intl Boston Logan Intl

$867American Airlines

Thu, Jan 14 - Mon, Jan 18

2:00 pm - 1:59 pmSNN Shannon-SEA Seattle/Tacoma Intl

31h 59m2 stops Boston Logan Intl Chicago O'Hare Intl

6:06 am - 5:50 amSEA Seattle/Tacoma Intl-SNN Shannon

15h 44m2 stops Chicago O'Hare Intl Boston Logan Intl

$868American Airlines

Thu, Jan 14 - Mon, Jan 18

2:00 pm - 1:59 pmSNN Shannon-SEA Seattle/Tacoma Intl

31h 59m2 stops Boston Logan Intl Chicago O'Hare Intl

6:06 am - 5:50 amSEA Seattle/Tacoma Intl-SNN Shannon

15h 44m2 stops Chicago O'Hare Intl Boston Logan Intl

$869American Airlines

Thu, Jan 14 - Mon, Jan 18

7:50 am - 8:18 pmSNN Shannon-SEA Seattle/Tacoma Intl

20h 28m2 stops London Heathrow Chicago O'Hare Intl

1:40 pm - 4:45 pmSEA Seattle/Tacoma Intl-SNN Shannon

19h 05m1 stop London Heathrow

$877Multiple Airlines

Mon, Mar 1 - Sat, Mar 13

2:00 pm - 12:43 amSNN Shannon-SEA Seattle/Tacoma Intl

18h 43m2 stops Boston Logan Intl Chicago O'Hare Intl

6:45 pm - 4:45 pmSEA Seattle/Tacoma Intl-SNN Shannon

14h 00m1 stop London Heathrow

$883American Airlines

Thu, Jan 14 - Mon, Jan 18

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British Airways flights from Shannon, Clare to Seattle

Our best British Airways deals on Shannon, Clare to Seattle flight tickets

British Airways

Mar 1

SNN7:50 amShannon

17h 00m

1 stop

SEA4:50 pmSeattle/Tacoma Intl

Mar 13

SEA6:45 pmSeattle/Tacoma Intl

14h 00m

1 stop

SNN4:45 pmShannon

$756

British Airways

Apr 3

SNN7:30 amShannon

18h 55m

1 stop

SEA6:25 pmSeattle/Tacoma Intl

Apr 11

SEA8:20 pmSeattle/Tacoma Intl

16h 15m

1 stop

SNN8:35 pmShannon

$787

British Airways

Nov 12

SNN7:50 amShannon

17h 00m

1 stop

SEA4:50 pmSeattle/Tacoma Intl

Nov 17

SEA1:30 pmSeattle/Tacoma Intl

14h 00m

1 stop

SNN11:30 amShannon

$847

American Airlines flights from Shannon, Clare to Seattle

Our best American Airlines deals on Shannon, Clare to Seattle flight tickets

American Airlines

Jan 14

SNN2:00 pmShannon

29h 55m

2 stops

SEA11:55 amSeattle/Tacoma Intl

Jan 18

SEA6:06 amSeattle/Tacoma Intl

15h 44m

2 stops

SNN5:50 amShannon

$866

American Airlines

Jan 14

SNN2:00 pmShannon

29h 55m

2 stops

SEA11:55 amSeattle/Tacoma Intl

Jan 18

SEA6:06 amSeattle/Tacoma Intl

15h 44m

2 stops

SNN5:50 amShannon

$867

American Airlines

Jan 14

SNN2:00 pmShannon

31h 59m

2 stops

SEA1:59 pmSeattle/Tacoma Intl

Jan 18

SEA6:06 amSeattle/Tacoma Intl

15h 44m

2 stops

SNN5:50 amShannon

$868

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Mon 3/1

7:50 am-4:50 pm

1 stop17h 00m

Seattle/Tacoma Intl

Sat 3/13

6:45 pm-4:45 pm

1 stop14h 00m

$756

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Sat 4/3

7:30 am-6:25 pm

1 stop18h 55m

Seattle/Tacoma Intl

Sun 4/11

8:20 pm-8:35 pm

1 stop16h 15m

$787

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Sat 11/14

7:50 am-5:00 pm

1 stop17h 10m

Seattle/Tacoma Intl

Tue 11/17

6:45 pm-7:25 pm

1 stop16h 40m

$847

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Thu 1/14

2:00 pm-11:55 am

2 stops29h 55m

Seattle/Tacoma Intl

Mon 1/18

6:06 am-5:50 am

2 stops15h 44m

$866

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Thu 1/14

2:00 pm-11:55 am

2 stops29h 55m

Seattle/Tacoma Intl

Mon 1/18

6:06 am-5:50 am

2 stops15h 44m

$867

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Thu 1/14

2:00 pm-1:59 pm

2 stops31h 59m

Seattle/Tacoma Intl

Mon 1/18

6:06 am-5:50 am

2 stops15h 44m

$868

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Thu 1/14

2:00 pm-1:59 pm

2 stops31h 59m

Seattle/Tacoma Intl

Mon 1/18

6:06 am-5:50 am

2 stops15h 44m

$869

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Mon 3/1

7:50 am-8:18 pm

2 stops20h 28m

Seattle/Tacoma Intl

Sat 3/13

1:40 pm-4:45 pm

1 stop19h 05m

$877

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Thu 1/14

2:00 pm-12:43 am

2 stops18h 43m

Seattle/Tacoma Intl

Mon 1/18

6:45 pm-4:45 pm

1 stop14h 00m

$883

Cheapest one-way

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Sun 12/13

2:00 pm-5:00 pm

3 stops59h 00m

$524

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 64% 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

Best Price Found	$524
Fastest flight time	17h 00m
Direct flights	None

The best one-way flight to Seattle from Shannon, Clare in the past 72 hours is $524. The best round-trip flight deal from Shannon, Clare to Seattle found on momondo in the last 72 hours is $756.

The fastest flight from Shannon, Clare to Seattle takes 17h 00m

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

Search flight deals

Frequently asked questions about flying from Shannon, Clare to Seattle

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 17h 00m, 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?

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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.