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Cheap flights from Seattle (SEA) to Shannon (SNN) from $335

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — SNN
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Shannon are usually found in January or April, booked 53 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Seattle to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 30, 2024.

Popular in

December

Cheapest in

January

Round-trip from

$533

One-way from

$478
High demand for flights, 21% potential price rise
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Best time to find cheap flights, 30% potential price drop
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From Seattle/Tacoma Intl to Shannon
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One-way flight from Seattle/Tacoma Intl to Shannon
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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 52 days in advance, which can save you up to 90% on flights from Seattle to Shannon compared to booking the week you need them. Waiting 52 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 $842. For sooner than that we have options available in the next 3 days from $940.

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 $907 per person but you can even find prices for as low as $556. The most expensive prices can be found in the month of December. Opting for a January flight can save you 26% on your journey compared to booking in December

What is the cheapest time of day to fly from SEA to SNN?

Unlike in the evening, when flights are generally more expensive, you can save up to 27% on flights from Seattle to Shannon by exploring options for tickets in the afternoon.

Cheap British Airways flights from Seattle to Shannon

Explore cheap flight options specifically provided by British Airways for the route between Seattle and Shannon. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Consider these cheap British Airways flights we've found departing from Seattle to Shannon. Deals update often to give you more flight options matching your criteria
Fri 9/201:45 pmSEA - SNN
2 stops18h 00mBritish Airways
Sat 12/217:45 amSNN - SEA
1 stop17h 00mBritish Airways
Deal found 5/29$846
Fri 9/207:40 pmSEA - SNN
1 stop31h 40mBritish Airways
Sat 12/217:45 amSNN - SEA
1 stop17h 00mBritish Airways
Deal found 5/29$860
Mon 7/17:40 pmSEA - SNN
1 stop31h 40mBritish Airways
Sun 7/77:40 amSNN - SEA
2 stops22h 18mBritish Airways
Deal found 5/30$1,042
Mon 7/11:25 pmSEA - SNN
2 stops18h 45mBritish Airways
Sun 7/77:40 amSNN - SEA
2 stops22h 18mBritish Airways
Deal found 5/30$1,046
Wed 9/181:30 pmSEA - SNN
1 stop13h 50mBritish Airways
Thu 9/267:40 amSNN - SEA
2 stops20h 05mBritish Airways
Deal found 5/29$3,140
Wed 9/181:30 pmSEA - SNN
1 stop18h 40mBritish Airways
Thu 9/267:40 amSNN - SEA
1 stop18h 05mBritish Airways
Deal found 5/29$3,824
Wed 9/181:25 pmSEA - SNN
2 stops18h 45mBritish Airways
Thu 9/267:40 amSNN - SEA
2 stops20h 05mBritish Airways
Deal found 5/29$3,910

Cheap United Airlines flights from Seattle to Shannon

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and Shannon. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from Seattle to Shannon. Deals are refreshing constantly so come back soon for more options.
Tue 9/241:35 pmSEA - SNN
1 stop12h 55mUnited Airlines
Thu 10/2412:30 pmSNN - SEA
1 stop15h 01mUnited Airlines
Deal found 5/29$554
Tue 10/111:50 amSEA - SNN
1 stop14h 40mUnited Airlines
Tue 10/2212:30 pmSNN - SEA
1 stop15h 01mUnited Airlines
Deal found 5/29$594
Fri 9/1311:59 pmSEA - SNN
2 stops23h 31mUnited Airlines
Sun 9/2212:30 pmSNN - SEA
2 stops27h 27mUnited Airlines
Deal found 5/29$596
Tue 10/16:45 amSEA - SNN
3 stops19h 45mUnited Airlines
Tue 10/2212:30 pmSNN - SEA
2 stops18h 35mUnited Airlines
Deal found 5/29$598
Fri 9/1311:53 amSEA - SNN
1 stop14h 37mUnited Airlines
Sun 9/2212:30 pmSNN - SEA
2 stops18h 30mUnited Airlines
Deal found 5/29$744
Sat 7/137:00 amSEA - SNN
1 stop16h 30mUnited Airlines
Sat 7/2012:30 pmSNN - SEA
2 stops29h 19mUnited Airlines
Deal found 5/30$800
Wed 6/267:00 amSEA - SNN
1 stop16h 30mUnited Airlines
Wed 7/39:30 amSNN - SEA
1 stop14h 38mUnited Airlines
Deal found 5/29$915
Wed 9/1812:55 pmSEA - SNN
3 stops37h 35mUnited Airlines
Thu 9/2612:30 pmSNN - SEA
2 stops35h 12mUnited Airlines
Deal found 5/29$916
Wed 6/265:05 amSEA - SNN
2 stops18h 25mUnited Airlines
Wed 7/39:30 amSNN - SEA
2 stops21h 15mUnited Airlines
Deal found 5/29$919

Cheap Seattle to Shannon flights in May & June 2024

Find cheap flight options from Seattle to Shannon specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
The lowest fares we've come across on flights traveling from Seattle to Shannon in May and June 2024. More deals are always being added, so be sure to check back regularly.
Wed 6/267:00 amSEA - SNN
1 stop16h 30mUnited Airlines
Wed 7/39:30 amSNN - SEA
1 stop14h 38mUnited Airlines
Deal found 5/29$915
Wed 6/265:05 amSEA - SNN
2 stops18h 25mUnited Airlines
Wed 7/39:30 amSNN - SEA
2 stops21h 15mUnited Airlines
Deal found 5/29$919
Sat 6/810:52 pmSEA - SNN
2 stops22h 43mAmerican Airlines
Fri 6/212:50 pmSNN - SEA
2 stops35h 16mAmerican Airlines
Deal found 5/29$1,037
Thu 6/2712:36 pmSEA - SNN
1 stop34h 54mUnited Airlines
Thu 7/49:30 amSNN - SEA
1 stop14h 38mUnited Airlines
Deal found 5/29$1,128
Sat 6/87:40 pmSEA - SNN
1 stop16h 55mAmerican Airlines
Fri 6/212:50 pmSNN - SEA
2 stops35h 16mAmerican Airlines
Deal found 5/29$1,138
Sat 6/811:00 pmSEA - SNN
1 stop27h 50mDelta
Fri 6/2112:50 pmSNN - SEA
1 stop17h 35mDelta
Deal found 5/29$1,186
Sat 6/811:00 amSEA - SNN
2 stops15h 30mUnited Airlines
Fri 6/219:30 amSNN - SEA
3 stops20h 45mUnited Airlines
Deal found 5/29$1,227
Sun 6/301:14 amSEA - SNN
2 stops20h 51mAmerican Airlines
Sun 7/72:50 pmSNN - SEA
2 stops36h 43mAmerican Airlines
Deal found 5/29$1,260
Sun 6/3012:30 amSEA - SNN
1 stop23h 00mUnited Airlines
Sun 7/79:30 amSNN - SEA
1 stop21h 32mUnited Airlines
Deal found 5/29$1,314

Seattle to Shannon 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Shannon in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
The lowest fares we've come across on flights traveling from Seattle to Shannon in May and June 2024. More deals are always being added, so be sure to check back regularly.
Wed 9/188:00 amSEA - SNN
2 stops19h 20mAmerican Airlines
Thu 9/267:40 amSNN - SEA
2 stops22h 13mAmerican Airlines
Deal found 5/29$542
Tue 9/241:35 pmSEA - SNN
1 stop12h 55mUnited Airlines
Thu 10/2412:30 pmSNN - SEA
1 stop15h 01mUnited Airlines
Deal found 5/29$554
Tue 10/111:50 amSEA - SNN
1 stop14h 40mUnited Airlines
Tue 10/2212:30 pmSNN - SEA
1 stop15h 01mUnited Airlines
Deal found 5/29$594
Fri 9/1311:59 pmSEA - SNN
2 stops23h 31mUnited Airlines
Sun 9/2212:30 pmSNN - SEA
2 stops27h 27mUnited Airlines
Deal found 5/29$596
Tue 10/16:45 amSEA - SNN
3 stops19h 45mUnited Airlines
Tue 10/2212:30 pmSNN - SEA
2 stops18h 35mUnited Airlines
Deal found 5/29$598
Fri 10/2511:33 amSEA - SNN
2 stops20h 12mAmerican Airlines
Sat 11/27:45 amSNN - SEA
2 stops22h 07mAmerican Airlines
Deal found 5/29$599
Wed 9/185:00 amSEA - SNN
2 stops16h 35mAmerican Airlines
Thu 9/267:40 amSNN - SEA
1 stop18h 05mAmerican Airlines
Deal found 5/29$692
Wed 9/187:40 pmSEA - SNN
1 stop16h 55mAmerican Airlines
Thu 9/267:40 amSNN - SEA
1 stop18h 05mAmerican Airlines
Deal found 5/29$728
Fri 9/1311:53 amSEA - SNN
1 stop14h 37mUnited Airlines
Sun 9/2212:30 pmSNN - SEA
2 stops18h 30mUnited Airlines
Deal found 5/29$744

Seattle to Shannon flights leaving soon

Find last-minute flight options from Seattle to Shannon for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out these flights departing soon from Seattle to Shannon. To prevent any unwanted surprises, users should verify their flight info before booking.
Sat 6/810:52 pmSEA - SNN
2 stops22h 43mAmerican Airlines
Fri 6/212:50 pmSNN - SEA
2 stops35h 16mAmerican Airlines
Deal found 5/29$1,037
Sat 6/87:40 pmSEA - SNN
1 stop16h 55mAmerican Airlines
Fri 6/212:50 pmSNN - SEA
2 stops35h 16mAmerican Airlines
Deal found 5/29$1,138
Sat 6/811:00 pmSEA - SNN
1 stop27h 50mDelta
Fri 6/2112:50 pmSNN - SEA
1 stop17h 35mDelta
Deal found 5/29$1,186
Sat 6/811:00 amSEA - SNN
2 stops15h 30mUnited Airlines
Fri 6/219:30 amSNN - SEA
3 stops20h 45mUnited Airlines
Deal found 5/29$1,227
Fri 6/71:14 amSEA - SNN
2 stops20h 51mAmerican Airlines
Fri 6/212:50 pmSNN - SEA
2 stops35h 16mAmerican Airlines
Deal found 5/29$1,361

One-way flights to Shannon from Seattle

Search for one-way flight options from Seattle to Shannon. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Some of the best available deals we've found on one-way flights from Seattle to Shannon. Users needing a return flight from Seattle to Shannon should utilize the search form above.
Wed 7/175:15 pmSEA - SNN
2 stops57h 10mMultiple Airlines
Deal found 5/28$335
Wed 7/1711:00 pmSEA - SNN
3 stops40h 25mMultiple Airlines
Deal found 5/28$351
Wed 8/215:00 pmSEA - SNN
2 stops46h 15mMultiple Airlines
Deal found 5/29$393
Thu 7/1111:59 pmSEA - SNN
3 stops26h 26mMultiple Airlines
Deal found 5/28$397
Wed 8/211:50 pmSEA - SNN
3 stops24h 00mMultiple Airlines
Deal found 5/29$431
Thu 7/116:15 pmSEA - SNN
2 stops57h 35mMultiple Airlines
Deal found 5/28$436
Tue 7/161:14 amSEA - SNN
2 stops20h 51mAmerican Airlines
Deal found 5/28$461
Wed 7/171:30 pmSEA - SNN
1 stop23h 05mMultiple Airlines
Deal found 5/28$478
Wed 8/217:10 amSEA - SNN
1 stop19h 40mKLM
Deal found 5/29$500

Find flights from Seattle to Shannon within your budget

Customize your flight search to find flights from Seattle to Shannon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$542 - $851

Route

Depart

Return

Price

Seattle/Tacoma IntlShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 9/18

2 stops19h 20m

Shannon

Thu 9/26

2 stops22h 13m

$542

Seattle/Tacoma IntlShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 9/24

1 stop12h 55m

Shannon

Thu 10/24

1 stop15h 01m

$554

Seattle/Tacoma IntlShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 10/1

1 stop14h 40m

Shannon

Tue 10/22

1 stop15h 01m

$594

Seattle/Tacoma IntlShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 10/25

2 stops20h 12m

Shannon

Sat 11/2

2 stops22h 07m

$599

Seattle/Tacoma IntlShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 10/25

1 stop18h 15m

Shannon

Sat 11/2

1 stop17h 00m

$754

Seattle/Tacoma IntlShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 10/25

2 stops24h 05m

Shannon

Sat 11/2

3 stops33h 31m

$775

Seattle/Tacoma IntlShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 7/13

1 stop19h 40m

Shannon

Sat 7/20

1 stop17h 35m

$840

Seattle/Tacoma IntlShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 9/20

2 stops18h 00m

Shannon

Sat 12/21

1 stop17h 00m

$846

Seattle/Tacoma IntlShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 7/13

1 stop19h 40m

Shannon

Sat 7/20

1 stop17h 35m

$851

Flights are sorted by cheapest first

Deals found on 5/29

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Shannon. Price data was last updated on May 24, 2024.
The price you pay for your flight from Seattle to Shannon may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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What is the cheapest day to fly from Seattle to Shannon?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Shannon. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Shannon flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Seattle to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average temperature and rainfall totals by month.

SNN

Temperature

42.8 - 60.8 °F

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated May 30, 2024.
To help decide which airline to fly from Seattle to Shannon, see what other customers have to say about British Airways, United Airlines and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,457 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,520 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,777 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,284 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air Canada
7.0
Good
7,004 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Food

7.4

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 $542, but on average you can expect to pay $736.

  • Are there last-minute flights available from Seattle to Shannon for under $1,100?

    There are currently 5+ open flights from Seattle to Shannon within the next 7 days for less than $1,100.

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

    According to our current data, American Airlines ($542), United Airlines ($554), and Air Canada ($775) offers the cheapest pricing from Seattle to Shannon. Users have found that American Airlines is 40% cheaper than the other options available to this destination.

  • What does SEA to SNN mean?

    This is defined as Seattle/Tacoma Intl Airport (SEA) and Shannon Airport (SNN). Codes like Shannon Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Seattle to Shannon that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Shannon flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Shannon with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Shannon flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Shannon that include hotel bookings?

    Yes. In addition to deals on Seattle to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Shannon.

  • Can I find deals for business class flights from Seattle to Shannon?

    Yes. Cheapflights offers flight deals from Seattle to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Shannon that allow pets onboard?

    Many airlines flying from Seattle to Shannon offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Shannon?

    Yes, you can often find last-minute deals on Seattle to Shannon flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Shannon flight deals updated?

    The Seattle to Shannon flight deals you see on this page were last updated on 5/29.

  • 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, British Airways or Delta.

  • What is the cheapest month to book a flight from Seattle to Shannon?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Shannon (average of $533). Flying from Seattle to Shannon in June is currently the most expensive (average of $1,023). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Shannon
See prices for flight routes from nearby airports that may be better suited for you.

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Top 5 airlines flying from Seattle to Shannon

Discover the top 5 airlines that operate flights from Seattle to Shannon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$549Average$929FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest$556Average$813FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest$573Average$901FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$631Average$894FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest$754Average$938FlexibilityNo cancel feeOn-time70%
Search British Airways flights
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Search flights from Seattle to Shannon by cabin class

Find flights from Seattle to Shannon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Shannon?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Shannon. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Shannon?

Cheapflights helps you find that perfect flight to Shannon from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Seattle to Shannon with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Shannon flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seattle to Shannon become cheaper?

Of course! You can now track prices for flights from Seattle to Shannon and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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