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.

$559 Cheap Flights from Shannon, Clare to Seattle in 2026/27

Find the cheapest flights from Shannon, Clare to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:05 pm - 8:20 pmSNN Shannon-SEA Seattle/Tacoma Intl

32h 15m2 stops London Heathrow Chicago O'Hare Intl

10:43 am - 11:30 amSEA Seattle/Tacoma Intl-SNN Shannon

16h 47m2 stops Chicago O'Hare Intl London Heathrow

$678Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

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

17h 00m1 stop London Heathrow

1:30 pm - 4:45 pmSEA Seattle/Tacoma Intl-SNN Shannon

19h 15m1 stop London Heathrow

$725British Airways

Tue, Nov 3 - Tue, Nov 10

7:50 am - 8:20 pmSNN Shannon-SEA Seattle/Tacoma Intl

20h 30m2 stops London Heathrow Chicago O'Hare Intl

10:43 am - 11:30 amSEA Seattle/Tacoma Intl-SNN Shannon

16h 47m2 stops Chicago O'Hare Intl London Heathrow

$729Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

5:30 pm - 8:19 pmSNN Shannon-SEA Seattle/Tacoma Intl

34h 49m2 stops London Heathrow Chicago O'Hare Intl

10:43 am - 11:30 amSEA Seattle/Tacoma Intl-SNN Shannon

16h 47m2 stops Chicago O'Hare Intl London Heathrow

$753Multiple Airlines

Fri, Nov 6 - Fri, Nov 13

12:30 pm - 9:55 pmSNN Shannon-SEA Seattle/Tacoma Intl

17h 25m1 stop Newark

8:25 am - 10:15 amSEA Seattle/Tacoma Intl-SNN Shannon

17h 50m2 stops Washington, D.C. Dulles Intl Newark

$763United Airlines

Fri, Oct 2 - Tue, Oct 6

7:50 am - 8:20 pmSNN Shannon-SEA Seattle/Tacoma Intl

20h 30m2 stops London Heathrow Chicago O'Hare Intl

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

14h 00m1 stop London Heathrow

$771Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

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

17h 00m1 stop London Heathrow

9:59 pm - 4:45 pmSEA Seattle/Tacoma Intl-SNN Shannon

34h 46m2 stops Portland London Heathrow

$772Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

8:05 pm - 4:50 pmSNN Shannon-SEA Seattle/Tacoma Intl

28h 45m1 stop London Heathrow

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

14h 00m1 stop London Heathrow

$809British Airways

Thu, Jan 14 - Mon, Jan 18

8:05 pm - 4:50 pmSNN Shannon-SEA Seattle/Tacoma Intl

28h 45m1 stop London Heathrow

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

14h 00m1 stop London Heathrow

$810British Airways

Thu, Jan 14 - Mon, Jan 18

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

17h 00m1 stop London Heathrow

10:25 am - 7:25 pmSEA Seattle/Tacoma Intl-SNN Shannon

25h 00m2 stops Chicago O'Hare Intl London Heathrow

$811British Airways

Thu, Jan 14 - Mon, Jan 18

Cheap last minute flights

Enter your travel dates to find the best prices.

9:55 am - 11:15 amSNN Shannon-SEA Seattle/Tacoma Intl

33h 20m2 stops London Gatwick Paris Charles de Gaulle

5:30 pm - 8:35 pmSEA Seattle/Tacoma Intl-SNN Shannon

19h 05m1 stop London Heathrow

$741Multiple Airlines

Thu, Sep 24 - Mon, Sep 28

12:30 pm - 9:55 pmSNN Shannon-SEA Seattle/Tacoma Intl

17h 25m1 stop Newark

7:00 am - 10:15 amSEA Seattle/Tacoma Intl-SNN Shannon

19h 15m1 stop Newark

$766United Airlines

Thu, Sep 24 - Mon, Sep 28

12:30 pm - 12:48 pmSNN Shannon-SEA Seattle/Tacoma Intl

32h 18m2 stops Newark Houston George Bush Intcntl

7:17 am - 10:15 amSEA Seattle/Tacoma Intl-SNN Shannon

18h 58m2 stops Houston George Bush Intcntl Newark

$789United Airlines

Thu, Sep 24 - Mon, Sep 28

12:30 pm - 9:55 pmSNN Shannon-SEA Seattle/Tacoma Intl

17h 25m1 stop Newark

7:00 am - 10:15 amSEA Seattle/Tacoma Intl-SNN Shannon

19h 15m1 stop Newark

$809United Airlines

Thu, Sep 24 - Mon, Sep 28

9:15 pm - 9:36 pmSNN Shannon-SEA Seattle/Tacoma Intl

32h 21m2 stops London Heathrow Chicago O'Hare Intl

6:00 am - 11:20 amSEA Seattle/Tacoma Intl-SNN Shannon

21h 20m2 stops Chicago O'Hare Intl London Heathrow

$828Multiple Airlines

Thu, Sep 24 - Mon, Sep 28

7:30 am - 10:47 pmSNN Shannon-SEA Seattle/Tacoma Intl

23h 17m3 stops London Heathrow Calgary Vancouver Intl

8:00 am - 4:10 pmSEA Seattle/Tacoma Intl-SNN Shannon

24h 10m2 stops Toronto Pearson Intl London Heathrow

$946Air Canada

Thu, Sep 24 - Mon, Sep 28

7:30 am - 6:32 pmSNN Shannon-SEA Seattle/Tacoma Intl

19h 02m3 stops London Heathrow Calgary Vancouver Intl

8:00 am - 11:20 amSEA Seattle/Tacoma Intl-SNN Shannon

19h 20m2 stops Toronto Pearson Intl London Heathrow

$988Multiple Airlines

Thu, Sep 24 - Mon, Sep 28

7:30 am - 9:36 pmSNN Shannon-SEA Seattle/Tacoma Intl

22h 06m2 stops London Heathrow Chicago O'Hare Intl

1:13 pm - 4:10 pmSEA Seattle/Tacoma Intl-SNN Shannon

18h 57m2 stops Los Angeles Los Angeles London Heathrow

$1,008British Airways

Thu, Sep 24 - Mon, Sep 28

7:30 am - 9:36 pmSNN Shannon-SEA Seattle/Tacoma Intl

22h 06m2 stops London Heathrow Chicago O'Hare Intl

1:30 pm - 11:20 amSEA Seattle/Tacoma Intl-SNN Shannon

13h 50m1 stop London Heathrow

$1,023American Airlines

Thu, Sep 24 - Mon, Sep 28

9:15 pm - 6:45 pmSNN Shannon-SEA Seattle/Tacoma Intl

29h 30m3 stops London Heathrow Dublin Calgary

7:00 pm - 9:35 pmSEA Seattle/Tacoma Intl-SNN Shannon

18h 35m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted

$1,245Multiple Airlines

Thu, Sep 24 - Mon, Sep 28

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

British Airways flights from Shannon, Clare to Seattle

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

British Airways

Nov 3

SNN7:50 amShannon

17h 00m

1 stop

SEA4:50 pmSeattle/Tacoma Intl

Nov 10

SEA1:30 pmSeattle/Tacoma Intl

19h 15m

1 stop

SNN4:45 pmShannon

$725

British Airways

Jan 14

SNN7:50 amShannon

17h 00m

1 stop

SEA4:50 pmSeattle/Tacoma Intl

Jan 18

SEA10:25 amSeattle/Tacoma Intl

25h 00m

2 stops

SNN7:25 pmShannon

$809

British Airways

Jan 14

SNN8:05 pmShannon

28h 45m

1 stop

SEA4:50 pmSeattle/Tacoma Intl

Jan 18

SEA6:45 pmSeattle/Tacoma Intl

14h 00m

1 stop

SNN4:45 pmShannon

$810

United Airlines flights from Shannon, Clare to Seattle

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

United Airlines

Oct 2

SNN12:30 pmShannon

18h 29m

2 stops

SEA10:59 pmSeattle/Tacoma Intl

Oct 6

SEA7:17 amSeattle/Tacoma Intl

18h 58m

2 stops

SNN10:15 amShannon

$763

United Airlines

Sep 24

SNN12:30 pmShannon

17h 25m

1 stop

SEA9:55 pmSeattle/Tacoma Intl

Sep 28

SEA7:00 amSeattle/Tacoma Intl

19h 15m

1 stop

SNN10:15 amShannon

$766

United Airlines

Sep 24

SNN12:30 pmShannon

32h 18m

2 stops

SEA12:48 pmSeattle/Tacoma Intl

Sep 28

SEA7:17 amSeattle/Tacoma Intl

18h 58m

2 stops

SNN10:15 amShannon

$789

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Tue 11/3

8:05 pm-8:20 pm

2 stops32h 15m

Seattle/Tacoma Intl

Tue 11/10

10:43 am-11:30 am

2 stops16h 47m

$678

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Tue 11/3

7:50 am-4:50 pm

1 stop17h 00m

Seattle/Tacoma Intl

Tue 11/10

1:30 pm-4:45 pm

1 stop19h 15m

$725

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Wed 11/4

7:50 am-8:20 pm

2 stops20h 30m

Seattle/Tacoma Intl

Wed 11/11

10:43 am-11:30 am

2 stops16h 47m

$729

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Fri 11/6

5:30 pm-8:19 pm

2 stops34h 49m

Seattle/Tacoma Intl

Fri 11/13

10:43 am-11:30 am

2 stops16h 47m

$753

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Fri 10/2

12:30 pm-9:55 pm

1 stop17h 25m

Seattle/Tacoma Intl

Tue 10/6

8:25 am-10:15 am

2 stops17h 50m

$763

Quickest round-trip

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Wed 11/4

7:50 am-8:20 pm

2 stops20h 30m

Seattle/Tacoma Intl

Wed 11/11

6:45 pm-4:45 pm

1 stop14h 00m

$771

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Tue 11/3

7:50 am-4:50 pm

1 stop17h 00m

Seattle/Tacoma Intl

Tue 11/10

9:59 pm-4:45 pm

2 stops34h 46m

$772

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Thu 1/14

8:05 pm-4:50 pm

1 stop28h 45m

Seattle/Tacoma Intl

Mon 1/18

6:45 pm-4:45 pm

1 stop14h 00m

$809

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Thu 1/14

8:05 pm-4:50 pm

1 stop28h 45m

Seattle/Tacoma Intl

Mon 1/18

6:45 pm-4:45 pm

1 stop14h 00m

$810

ShannonSeattle

SNN Shannon - SEA Seattle/Tacoma Intl

SNNSEA

Shannon

Thu 1/14

7:50 am-4:50 pm

1 stop17h 00m

Seattle/Tacoma Intl

Mon 1/18

10:25 am-7:25 pm

2 stops25h 00m

$811

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 54% 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	$559
Fastest flight time	17h 00m
Direct flights	None

The best one-way flight to Seattle from Shannon, Clare in the past 72 hours is $559. The best round-trip flight deal from Shannon, Clare to Seattle found on momondo in the last 72 hours is $678.

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.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Kent

Redmond

Lakewood

Federal Way

Fife

Tukwila

Puyallup

Lynnwood

Cle Elum

Marysville

Lacey

Centralia

Kirkland

Shoreline

Why use momondo?

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.