Cheap flights from Seattle to Shannon from $421
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Shannon departing on 12/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Seattle to Shannon, Clare
Our best United Airlines deals on Seattle to Shannon, Clare flight tickets
Delta flights from Seattle to Shannon, Clare
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How to get the cheapest flight ticket from Seattle to Shannon, Clare
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
What is the cheapest day to depart on your flight to Shannon, Clare?
The cheapest day to depart from Seattle to Shannon, Clare is on a Tuesday when prices can be found for as low as $745. The most expensive day to fly to Shannon, Clare is Saturday, with ticket prices averaging around $1,142.
What is the cheapest time of day to depart on your flight to Shannon, Clare?
Our data shows that the cheapest Seattle to Shannon, Clare flights are usually those with departure times in the afternoon. Our users have found flights to Shannon, Clare in the afternoon for as low as $789. Flights in the evening are often more expensive with an average ticket price of $895.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Shannon?
Air Canada, American Airlines, and British Airways are the most popular carriers operating from Seattle/Tacoma Intl to Shannon
What airlines fly to Shannon, Clare?
United Airlines, American Airlines and British Airways are the top three most popular airlines that fly to Shannon, Clare from Seattle according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 6 different airlines that fly to Shannon, Clare on a routine basis, so you have a few additional options to choose from.
When to book flights from Seattle to Shannon, Clare
Cheap Seattle to Shannon, Clare (SEA to SNN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Shannon, Clare
How far is Seattle/Tacoma Intl to Shannon by plane?
The straight-line distance from Seattle/Tacoma Intl to Shannon is 4478.2 mi. By plane, this route typically takes 16h 20m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Shannon Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Shannon Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Shannon Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Shannon Airport is 4 as of July 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Shannon 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 Seattle/Tacoma Intl Airport to Shannon Airport.
What documentation or ID do you need to fly to Shannon Airport?
The travel and health documents you'll need for your trip to Shannon Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Shannon Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to Shannon, Clare?
Based on momondo bookings for flights between Seattle and Shannon, Clare, the leading airline is United Airlines, making up 56% of the total bookings. Other popular airlines include American Airlines with 20%, Aer Lingus with 15%, and British Airways with 9%.
Best airlines flying from Seattle to Shannon, Clare
Compare and see reviews for airlines that fly from Seattle to Shannon, Clare with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $541 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $593 | Free Cancellation | Rating 7.4 8,842 reviews | |||
| PriceFrom $703 | Free Cancellation | Rating 6.6 7,103 reviews | |||
| PriceFrom $703 | Free Cancellation | Rating 7.1 1,151 reviews |
Traveling to a place near Shannon?
Book flights to Shannon if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Shannon?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Shannon for you.
Can I find flights from Seattle to Shannon with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Shannon from Seattle with this policy.
How can momondo help me find flights from Seattle to Shannon?
Once you have performed a search for Seattle to Shannon flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Seattle to Shannon right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Seattle to Shannon flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.