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

SEA — SNN
Feb 11 — Feb 181

How to find the cheapest flight from Seattle (SEA) to Shannon (SNN)

All the information you need to plan the best SEA to SNN flight in 2023: compare Seattle to Shannon flight prices with the expected peak season, weather and rainfall in Shannon.

SEA - SNN

Price

$707 - $1,730

SNN

Temperature

42.8 - 60.8 °F

SNN

Rainfall

2.3 - 4.1 inches

Popular inJulyHigh demand for flights, 42% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 30% potential price drop
Average price$942Average for round-trip flights in February 2023
Round-trip from$707From Seattle/Tacoma Intl to Shannon

What is the cheapest day to fly round-trip from Seattle to Shannon?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Seattle to Shannon?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 47 days in advance, which can save you up to 69% on flights from Seattle to Shannon compared to booking the week you need them. Waiting 47 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,416. For sooner than that we have options available in the next 3 days from $1,774.

What is the cheapest month to fly from Seattle to Shannon?

January is one of the best times of the year to fly to Shannon from Seattle. Prices for January average $1,012 per person but you can even find prices for as low as $565. The most expensive prices can be found in the month of July. Opting for a January flight can save you 70% on your journey compared to booking in July

When is the cheapest time to fly from Seattle to Shannon (SEA - SNN)?

Unlike at noon, when flights are generally more expensive, you can save up to 22% on flights from Seattle to Shannon by exploring options for tickets in the evening.

Cheap flights from Seattle to Shannon in February, March 2023

The best prices found for SEA to SNN flights for February, March

Seattle to Shannon 2023 flight deals

Cheap flights to Shannon from Seattle found for this year

Cheap American Airlines flights from Seattle to Shannon

Cheap Air Canada flights from Seattle to Shannon

One-way flights to Shannon from Seattle

The cheapest one-way flights from Seattle to Shannon

Reviews of Airlines Servicing Shannon

United Airlines
7.6
Good
1,207 reviews

Overall

7.6

Comfort

7.4

Entertainment

7.1

Boarding

7.9

Food

6.8

Crew

8.2

Reviews

1 / 10

Had plenty of room on this flight...was able to get rest on this long flight.

United Airlines
7.6
Good
1,207 reviews
United Airlines
7.6
Good
1,207 reviews

Overall

7.6

Comfort

7.4

Entertainment

7.1

Boarding

7.9

Food

6.8

Crew

8.2

Reviews

1 / 10

Had plenty of room on this flight...was able to get rest on this long flight.

American Airlines
7.4
Good
1,670 reviews
United Airlines
7.6
Good
1,207 reviews

Overall

7.6

Comfort

7.4

Entertainment

7.1

Boarding

7.9

Food

6.8

Crew

8.2

Reviews

1 / 10

Had plenty of room on this flight...was able to get rest on this long flight.

Air Canada
6.6
Okay
664 reviews
United Airlines
7.6
Good
1,207 reviews

Overall

7.6

Comfort

7.4

Entertainment

7.1

Boarding

7.9

Food

6.8

Crew

8.2

Reviews

1 / 10

Had plenty of room on this flight...was able to get rest on this long flight.

Aer Lingus
6.6
Okay
244 reviews
United Airlines
7.6
Good
1,207 reviews

Overall

7.6

Comfort

7.4

Entertainment

7.1

Boarding

7.9

Food

6.8

Crew

8.2

Reviews

1 / 10

Had plenty of room on this flight...was able to get rest on this long flight.

Related info for your journey

Useful info, stats and facts about Seattle to Shannon flights.

Which airlines flying from Seattle/Tacoma Intl to Shannon have flexible cancellations due to COVID-19?

Some of our airline partners flying from Seattle/Tacoma Intl to Shannon have new flexible policies in place due to COVID-19. American Airlines, United Airlines, and British Airways are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Seattle to Shannon for under $600 on Cheapflights?

Yes, there are multiple flights from Seattle to Shannon for under $600. The cheapest flight booked recently is on American Airlines for just $543, but on average you can expect to pay $690.

What are the cheapest airlines flying from Seattle to Shannon round-trip?

According to our current data, American Airlines ($543), Air Canada ($724), and United Airlines ($745) offers the cheapest pricing from Seattle to Shannon. Users have found that American Airlines is 46% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Seattle to Shannon one-way?

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $547. Aer Lingus flights start at $831 while deals on American Airlines start at $981 one-way.

What are the most popular airlines that fly from Seattle to Shannon?

Before booking your flight from Seattle to Shannon check out the most popular airlines for this route: American Airlines, Air Canada or British Airways.

What are the cheapest flights from Seattle to Shannon?

The cheapest flight price from Seattle to Shannon is $666. On average you can expect to pay $3,030. The most popular route, (Seattle/Tacoma Intl - Shannon), can usually be booked for $573.

Alternative routes for Seattle to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Dublinfrom $575 pp
Spokane to Dublinfrom $634 pp
Seattle to Corkfrom $714 pp
Seattle to Knockfrom $874 pp
Pasco to Dublinfrom $1,184 pp
Spokane to Shannonfrom $1,388 pp

Top 4 airlines flying from Seattle to Shannon

The chart below displays the airlines Cheapflights users traveling from Seattle to Shannon choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American AirlinesCheapest$561Average$792FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$686Average$958FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
British AirwaysCheapest$732Average$960FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights
Aer LingusCheapest$851Average$1,189FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Aer Lingus flights
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