CA $564 Cheap Flights from Seattle (SEA) to Shannon (SNN)

View CA $564 flight on Sun, Sep 6, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Shannon Airport (SNN)

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

Prices were available within the past 7 days and start at CA $564 for one-way flights and CA $1,108 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sun, Sep 6 - Tue, Sep 15
SEA
Seattle
SNN
Shannon
CA $1,108 Roundtrip, found 5 days ago
CA $1,108
Roundtrip
found 5 days ago
Select KLM flight, departing Sun, Sep 6 from Seattle to Shannon, returning Tue, Sep 15, priced at CA $1,108 found 5 days ago
Delta
Sun, Sep 6 - Tue, Sep 15
SEA
Seattle
SNN
Shannon
CA $1,177 Roundtrip, found 5 days ago
CA $1,177
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Sep 6 from Seattle to Shannon, returning Tue, Sep 15, priced at CA $1,177 found 5 days ago
KLM
Sun, Sep 6 - Tue, Sep 15
SEA
Seattle
SNN
Shannon
CA $1,182 Roundtrip, found 5 days ago
CA $1,182
Roundtrip
found 5 days ago
Select KLM flight, departing Sun, Sep 6 from Seattle to Shannon, returning Tue, Sep 15, priced at CA $1,182 found 5 days ago
KLM
Sun, Sep 6 - Tue, Sep 15
SEA
Seattle
SNN
Shannon
CA $1,224 Roundtrip, found 5 days ago
CA $1,224
Roundtrip
found 5 days ago
Select KLM flight, departing Sun, Sep 6 from Seattle to Shannon, returning Tue, Sep 15, priced at CA $1,224 found 5 days ago
Delta
Sun, Sep 6 - Tue, Sep 15
SEA
Seattle
SNN
Shannon
CA $1,233 Roundtrip, found 5 days ago
CA $1,233
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Sep 6 from Seattle to Shannon, returning Tue, Sep 15, priced at CA $1,233 found 5 days ago
Delta
Sun, Sep 6 - Tue, Sep 15
SEA
Seattle
SNN
Shannon
CA $1,250 Roundtrip, found 5 days ago
CA $1,250
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Sep 6 from Seattle to Shannon, returning Tue, Sep 15, priced at CA $1,250 found 5 days ago
Delta
Sun, Sep 6 - Tue, Sep 15
SEA
Seattle
SNN
Shannon
CA $1,292 Roundtrip, found 5 days ago
CA $1,292
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Sep 6 from Seattle to Shannon, returning Tue, Sep 15, priced at CA $1,292 found 5 days ago
Virgin Atlantic
Sun, Sep 6 - Tue, Sep 15
SEA
Seattle
SNN
Shannon
CA $1,299 Roundtrip, found 5 days ago
CA $1,299
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Sun, Sep 6 from Seattle to Shannon, returning Tue, Sep 15, priced at CA $1,299 found 5 days ago
American Airlines
Sun, Sep 6 - Tue, Sep 15
SEA
Seattle
SNN
Shannon
CA $1,308 Roundtrip, found 5 days ago
CA $1,308
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Sep 6 from Seattle to Shannon, returning Tue, Sep 15, priced at CA $1,308 found 5 days ago
United
Mon, Feb 1 - Mon, Feb 8
SEA
Seattle
SNN
Shannon
CA $1,336 Roundtrip, found 3 days ago
CA $1,336
Roundtrip
found 3 days ago
Select United flight, departing Mon, Feb 1 from Seattle to Shannon, returning Mon, Feb 8, priced at CA $1,336 found 3 days ago

Frequently asked questions

How much is a flight from SEA to Shannon Airport?
Pack your bags, because round-trip journeys between Seattle - Tacoma Intl. Airport (SEA) and Shannon Airport (SNN) start from CA $1,108. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Shannon Airport?
Most flights can be cancelled online, but every airline has a different set of terms and conditions. If you do need to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Shannon Airport (SNN) that have flexible change policies?
Many airlines offer the option to move your flight at no extra charge. All you pay is the cost difference between flights. When looking for Seattle - Tacoma Intl. Airport (SEA) to Shannon Airport (SNN) flights, you'll see a "No change fees" box for you to pick.
How many hours is the flight from Sea-Tac Airport to SNN?
From Seattle - Tacoma Intl. Airport (SEA) to Shannon Airport, you'll be airborne for about 10 hours and 52 minutes. If you've been wanting to get stuck into that amazing novel, now's a good time to do it.
How far is the flight from SEA to SNN?
With around 7,200 kilometres separating SEA and Shannon Airport, your flight will be a long one. Pack wisely to make your journey comfortable. Simple things like warm clothes and a quality travel pillow should be in your hand luggage.
Which airlines fly direct from SEA to Shannon Airport?
If you want to fly straight from Seattle - Tacoma Intl. Airport (SEA) to SNN, you'll need to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly between these airports.
Are Seattle - Tacoma Intl. Airport (SEA) to Shannon Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so not always. While last-minute deals between Sea-Tac Airport and Shannon Airport (SNN) are of course possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some air carriers release their prices up to a year before the departure date. Expedia is continuously updating the biggest bargains around, so keep checking back and be ready to pounce when prices drop.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Shannon
Roundtrip price
CA $1,108
Distance
7181 km

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