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$521+ Cheap flights from Shannon (SNN) to Washington

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — SEA
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Shannon to Washington

Cheapest flights from Shannon to Washington
Explore the most affordable flight options available from Shannon to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Gotogate deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:30 pmSNN - SEA
1 stop26h 00mAer Lingus
Sat 12/276:50 pmSEA - SNN
1 stop13h 55mAer Lingus
Deal found 12/14$1,081
This American Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:50 amSNN - SEA
2 stops23h 23mAmerican Airlines
Sat 12/276:50 pmSEA - SNN
1 stop32h 40mAmerican Airlines
Deal found 12/14$1,127
This lol.travel deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:50 amSNN - SEA
2 stops22h 56mAir Canada
Sat 12/2710:05 amSEA - SNN
2 stops22h 40mAir Canada
Deal found 12/14$1,145
This Air Canada deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:50 amSNN - SEA
3 stops22h 56mMultiple Airlines
Sat 12/273:40 pmSEA - SNN
2 stops19h 45mMultiple Airlines
Deal found 12/14$1,378

Find flight deals from Shannon to Washington

Keep the following information in mind while searching for Shannon to Washington flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$801
(British Airways)

One-way from

$521
(Mytrip)
Provider with most accurate pricing for Shannon-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Shannon-Seattle/Tacoma Intl flights.
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From Shannon to Washington
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One-way flight from Shannon to Washington
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Shannon to Washington 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 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Shannon to Washington that are best for you.

Fly from

Shannon

Fly to

Washington

Route

Depart

Return

Price

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 2/28

7:50 am-4:55 pm

1 stop17h 05m

Seattle/Tacoma Intl

Sat 3/7

1:35 pm-11:30 am

1 stop13h 55m

$801

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 2/28

7:50 am-5:00 pm

2 stops17h 10m

Seattle/Tacoma Intl

Sat 3/7

2:35 pm-4:45 pm

2 stops18h 10m

$802

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 1/24

5:25 pm-7:18 pm

2 stops33h 53m

Seattle/Tacoma Intl

Wed 2/4

8:04 am-11:30 am

2 stops19h 26m

$816

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 1/24

2:45 pm-10:17 pm

1 stop15h 32m

Seattle/Tacoma Intl

Wed 2/4

6:50 pm-7:25 pm

1 stop16h 35m

$862

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Wed 1/28

7:50 am-4:55 pm

1 stop17h 05m

Seattle/Tacoma Intl

Sun 2/1

6:12 am-11:30 am

2 stops21h 18m

$931

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 1/15

7:50 am-8:22 pm

2 stops20h 32m

Portland

Mon 1/19

5:45 pm-4:45 pm

1 stop15h 00m

$995

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 1/15

8:05 pm-3:55 pm

1 stop27h 50m

Portland

Mon 1/19

5:45 pm-4:45 pm

1 stop15h 00m

$1,032

ShannonSpokane

SNN - GEG

SNNGEG

Shannon

Thu 1/22

7:50 am-6:49 pm

2 stops42h 59m

Spokane

Mon 1/26

6:00 am-4:45 pm

2 stops26h 45m

$1,138

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sun 5/3

9:15 pm-5:40 pm

1 stop28h 25m

$521

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sun 5/3

7:00 pm-8:00 pm

2 stops57h 00m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 14 results
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Best time to book a flight from Shannon to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Shannon 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.

Cheapflights Insights

Everything you need to know about your flight from Shannon to Washington
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly from for flights from Shannon to Washington?

    Shannon (SNN), located 2.1 mi from the city center, is the airport you fly out of when you book flights from Shannon to Washington.

  • How long is the flight from Shannon, Clare to State of Washington?

    There are many flights that can get you from Shannon, Clare to State of Washington in 17h 05m. Fly via British Airways or American Airlines to get the fastest option. There are 4485 mi between Shannon, Clare and State of Washington. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Shannon, Clare to State of Washington?

    The most popular flight routes from Shannon, Clare to State of Washington are Shannon - Seattle/Tacoma Intl, Shannon - Spokane and Shannon - Portland.

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

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

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

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

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

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

See more FAQs

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