Which airports can I use when flying from Shannon to Seattle?

Flights from Shannon to Seattle usually depart from Shannon (SNN) and arrive at Seattle/Tacoma Intl (SEA).

What cabin classes can I book on flights from Shannon to Seattle?

Only Economy Class is available on flights from Shannon to Seattle.

Which airports do connecting flights from Shannon to Seattle pass through?

Connecting flights from Shannon to Seattle most commonly pass through: • London Heathrow (LHR) - 71% of one-stop connections • Boston Logan Intl (BOS) - 29% of one-stop connections

Can I save money by using flexible dates for flights from Shannon to Seattle?

Yes. Flexible dates can save you up to 10% on flights from Shannon to Seattle. Friday is the cheapest departure day at $866 round-trip on average, while Saturday is the most expensive at $961, a difference of $95. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Seattle?

Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

How long is a flight from Shannon to Seattle?

A nonstop flight from Shannon to Seattle takes 00m, covering 4,485 miles.

Do I need a passport to fly from Shannon to Seattle?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Shannon to Seattle changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $864 to $1,877. That means the highest observed fare was about 2x higher than the lowest one.

How are flight prices from Shannon to Seattle looking right now?

One-way fares from Shannon to Seattle are currently lower than usual. Average one-way flight prices are about $544, which is 30% below the typical average for this route.

How much time can I save by choosing a different layover airport from Shannon to Seattle?

Flying via Boston Logan Intl (BOS) gives the shortest average 1-stop total travel time at 14h 58m, compared with 15h 28m via London Heathrow (LHR).

What is the time difference between Shannon and Seattle?

Seattle is 7 hours behind Shannon (Pacific Time vs Irish Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates averaging $61 for economy cars. Top options include: • Fox • Europcar • Thrifty • Budget • Hertz

How much should I expect to pay for a Shannon to Seattle flight?

Round-trip flights from Shannon to Seattle range from $866 to $927, with an average of $866 over the past 12 months. Anything below $866 counts as a good deal.

How much is a round-trip flight from Shannon to Seattle?

Round-trip flights from Shannon to Seattle typically range from $866 to $927. The lowest price found in the past 5 days was $808, on British Airways.

Which airline is the cheapest to fly from Shannon to Seattle?

British Airways ($808) and American Airlines ($864) are the cheapest airlines to fly round-trip from Shannon to Seattle according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Shannon to Seattle?

London Heathrow (LHR) is the most popular layover for the Shannon to Seattle route. 71% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via LHR.

What is the cheapest layover airport when flying from Shannon to Seattle?

Flights via London Heathrow (LHR) offer the most affordable fares, with an average round-trip price of $839. Based on KAYAK data over the past 3 months.

When flying from Shannon to Seattle which airport offers the shortest layover?

Boston Logan Intl (BOS) had the shortest average connection time for Shannon to Seattle layovers at 8h 43m over the past 3 months.

$477 CHEAP FLIGHTS from Shannon to Seattle (SNN - SEA)

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Cheapest round-trip

$808

Typical prices: $866-$927

British Airways

Mon 11/12Sat 11/17

SNN - SEA • 1 stop

Cheapest one-way

$477

Typical prices: $668-$829

Multiple Airlines

Thu 1/11

SNN - SEA • 3 stops

Nonstop flights

Not available

There are currently no direct flights between Shannon and Seattle. You'll need to take a connecting flight to reach the destination.

Insights

Top layover airports

London Heathrow (LHR)

Cheapest • Avg $839 (round-trip)

Boston Logan Intl (BOS)

Shortest trip • 14h 58m (one-way)

Insights

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Flight Deals

Cheap Flights from Shannon to Seattle (SNN-SEA)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Shannon to Seattle

Thu, Nov 12 - Tue, Nov 17

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

17h 00m1 stop London Heathrow

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

14h 00m1 stop London Heathrow

$808British Airways

Thu, Nov 12 - Tue, Nov 17

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

17h 10m2 stops London Heathrow Reykjavik Keflavik Intl

2:35 pm - 9:30 pmSEA Seattle/Tacoma Intl-SNN Shannon

22h 55m2 stops Reykjavik Keflavik Intl London Gatwick

$825Multiple 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

$864American 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

$865American 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

$866American 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 - 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

$880American Airlines

Thu, Jan 14 - Mon, Jan 18

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

17h 00m1 stop London Heathrow

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

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

$892American Airlines

Thu, Jan 14 - Mon, Jan 18

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

17h 00m1 stop London Heathrow

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

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

$893American Airlines

Thu, Jan 14 - Mon, Jan 18

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

17h 00m1 stop London Heathrow

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

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

$898American Airlines

Booking Insights

Price, demand and travel trends for Shannon to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Shannon to Seattle? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Shannon to Seattle departing in november.

Find deals

Cheapest flight	$477

One-way flight from Shannon to Seattle

When to book flights from Shannon to Seattle

Are your dates flexible? Find out the best times to travel from Shannon to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Shannon to Seattle?
Only Economy Class is available on flights from Shannon to Seattle.
How long is a flight from Shannon to Seattle?
A nonstop flight from Shannon to Seattle takes 00m, covering 4,485 miles.
Do I need a passport to fly from Shannon to Seattle?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Shannon to Seattle flight?
Round-trip flights from Shannon to Seattle range from $866 to $927, with an average of $866 over the past 12 months. Anything below $866 counts as a good deal.
Have flight prices from Shannon to Seattle changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $864 to $1,877. That means the highest observed fare was about 2x higher than the lowest one.
How are flight prices from Shannon to Seattle looking right now?
One-way fares from Shannon to Seattle are currently lower than usual. Average one-way flight prices are about $544, which is 30% below the typical average for this route.
What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?
Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates averaging $61 for economy cars. Top options include:

• Fox
• Europcar
• Thrifty
• Budget
• Hertz
Which airports can I use when flying from Shannon to Seattle?
Flights from Shannon to Seattle usually depart from Shannon (SNN) and arrive at Seattle/Tacoma Intl (SEA).
Which airports do connecting flights from Shannon to Seattle pass through?
Connecting flights from Shannon to Seattle most commonly pass through:

• London Heathrow (LHR) - 71% of one-stop connections
• Boston Logan Intl (BOS) - 29% of one-stop connections
Can I save money by using flexible dates for flights from Shannon to Seattle?
Yes. Flexible dates can save you up to 10% on flights from Shannon to Seattle. Friday is the cheapest departure day at $866 round-trip on average, while Saturday is the most expensive at $961, a difference of $95.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Shannon to Seattle?
Flying via Boston Logan Intl (BOS) gives the shortest average 1-stop total travel time at 14h 58m, compared with 15h 28m via London Heathrow (LHR).
What is the time difference between Shannon and Seattle?
Seattle is 7 hours behind Shannon (Pacific Time vs Irish Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Seattle?
Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

If your dates are flexible, aim for a Friday departure and avoid flying on Saturday. On this route, Friday flights average $866, about $95 less than Saturday fares (10% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

• Coast Gateway Hotel
• Seattle Airport Marriott
• Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

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SNN - SEA

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Everything you should know

Cheap Flights from Shannon to Seattle (SNN-SEA)

Recent round-trip flight deals from Shannon to Seattle

Recent one-way flight deals from Shannon to Seattle

Price, demand and travel trends for Shannon to Seattle flights

How much is a round-trip flight from Shannon to Seattle?

Which airline is the cheapest to fly from Shannon to Seattle?

What’s the most popular layover airport when flying from Shannon to Seattle?

What is the cheapest layover airport when flying from Shannon to Seattle?

When flying from Shannon to Seattle which airport offers the shortest layover?

Key details for Shannon to Seattle flights

Cheapest flight

When to book flights from Shannon to Seattle

Your Shannon to Seattle flight questions, answered

Your guide to booking Shannon to Seattle flights

More options for your flight from Shannon to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Shannon to Seattle

Find direct flights to and from Shannon and Seattle

Flights from domestic origins to Seattle

Flights to other popular destinations

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