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$658+ Cheap flights from Shannon (SNN) to Washington

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — SEA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find 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 October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 11/277:50 amSNN - PDX
2 stops35h 08mAmerican Airlines
Mon 12/110:15 pmPDX - SNN
2 stops29h 15mAmerican Airlines
Deal found 10/27$955
This British Airways deal was found by Cheapflights users on 10/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:05 pmSNN - PDX
2 stops31h 04mBritish Airways
Tue 11/1811:43 amPDX - SNN
2 stops21h 02mBritish Airways
Deal found 10/29$982
This Air Canada deal was found by Cheapflights users on 10/29. 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.
Thu 11/278:05 pmSNN - PDX
2 stops45h 10mAir Canada
Mon 12/17:00 pmPDX - SNN
2 stops37h 45mAir Canada
Deal found 10/29$984
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/142:45 pmSNN - GEG
2 stops36h 11mAmerican Airlines
Mon 11/171:14 pmGEG - SNN
2 stops19h 31mAmerican Airlines
Deal found 10/28$1,111
This British Airways deal was found by Cheapflights users on 10/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:05 pmSNN - PDX
1 stop27h 50mBritish Airways
Mon 12/15:45 pmPDX - SNN
1 stop15h 00mBritish Airways
Deal found 10/27$1,130
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:00 pmSNN - PDX
2 stops17h 59mMultiple Airlines
Tue 11/187:05 amPDX - SNN
1 stop14h 50mMultiple Airlines
Deal found 10/29$1,160

Cheap flight deals from Shannon to Washington

Keep the following information in mind while searching for Shannon to Washington flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$658
(British Airways)
Provider with most accurate pricing for Shannon-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Shannon-Seattle/Tacoma Intl flights.
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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 October 30, 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

Wed 3/11

5:30 pm-5:55 pm

1 stop31h 25m

Seattle/Tacoma Intl

Sun 3/15

7:50 pm-7:25 pm

1 stop16h 35m

$658

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Wed 3/11

7:50 am-11:08 pm

2 stops22h 18m

Seattle/Tacoma Intl

Sun 3/15

7:00 am-4:45 pm

2 stops26h 45m

$661

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Fri 1/16

7:50 am-3:55 pm

1 stop16h 05m

Portland

Wed 1/21

5:45 pm-4:45 pm

1 stop15h 00m

$804

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 1/15

7:50 am-8:22 pm

2 stops20h 32m

Portland

Tue 1/20

2:13 pm-4:45 pm

2 stops18h 32m

$822

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Fri 1/16

7:50 am-3:55 pm

1 stop16h 05m

Portland

Wed 1/21

5:45 pm-4:45 pm

1 stop15h 00m

$858

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 11/27

7:50 am-10:58 am

2 stops35h 08m

Portland

Sun 11/30

12:59 am-11:30 am

2 stops26h 31m

$955

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 1/15

5:30 pm-3:55 pm

1 stop30h 25m

Portland

Tue 1/20

7:38 am-11:30 am

2 stops19h 52m

$975

ShannonSpokane

SNN - GEG

SNNGEG

Shannon

Fri 11/14

2:45 pm-6:56 pm

2 stops36h 11m

Spokane

Mon 11/17

1:14 pm-4:45 pm

2 stops19h 31m

$1,111

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 22h 18m. 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 - Portland and Shannon - Spokane.

  • 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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