CA $585 Cheap Flights from Seattle (SEA) to Shannon (SNN)

Pack your bags, because round-trip journeys between Seattle - Tacoma Intl. Airport (SEA) and Shannon Airport (SNN) start from CA $1,339. 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.

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.

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.

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.

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.

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.

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.