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$512+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — SEA
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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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 September 14, 2025.

Round-trip from

$576
(United Airlines)

One-way from

$512
(Kiwi.com)
From Shannon to Washington
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One-way flight from Shannon to Washington
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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 September 14, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:30 pmSNN - SEA
1 stop17h 47mUnited Airlines
Tue 9/306:00 amSEA - SNN
1 stop20h 15mUnited Airlines
Deal found 9/13$576
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 11/157:50 amSNN - SEA
2 stops23h 28mAmerican Airlines
Tue 11/186:50 pmSEA - SNN
1 stop13h 55mAmerican Airlines
Deal found 9/11$713
This British Airways deal was found by Cheapflights users on 9/13. 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.
Sat 11/157:50 amSNN - SEA
1 stop17h 05mBritish Airways
Tue 11/181:25 pmSEA - SNN
1 stop19h 20mBritish Airways
Deal found 9/13$734
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:30 pmSNN - PDX
1 stop16h 40mUnited Airlines
Sun 10/510:10 amPDX - SNN
1 stop16h 05mUnited Airlines
Deal found 9/14$894
This British Airways deal was found by Cheapflights users on 9/12. 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 9/12$933
This American Airlines deal was found by Cheapflights users on 9/12. 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 stops36h 46mAmerican Airlines
Mon 12/11:26 pmPDX - SNN
2 stops38h 04mAmerican Airlines
Deal found 9/12$936
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 9/309:15 pmSNN - PDX
2 stops34h 39mAmerican Airlines
Sat 10/42:56 pmPDX - SNN
2 stops36h 24mAmerican Airlines
Deal found 9/13$1,010
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:30 pmSNN - GEG
2 stops42h 45mUnited Airlines
Mon 10/64:00 pmGEG - SNN
2 stops34h 15mUnited Airlines
Deal found 9/13$1,011
This British Airways deal was found by Cheapflights users on 9/13. 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.
Tue 9/309:15 pmSNN - PDX
2 stops29h 39mBritish Airways
Sat 10/42:52 pmPDX - SNN
2 stops36h 28mBritish Airways
Deal found 9/13$1,027
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Tue 9/307:40 amSNN - PDX
3 stops19h 06mAir Canada
Sat 10/46:15 amPDX - SNN
2 stops30h 20mAir Canada
Deal found 9/13$1,237

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 September 14, 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

Thu 9/25

12:30 pm-10:17 pm

1 stop17h 47m

Seattle/Tacoma Intl

Tue 9/30

6:00 am-10:15 am

1 stop20h 15m

$576

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 11/15

7:50 am-11:18 pm

2 stops23h 28m

Seattle/Tacoma Intl

Tue 11/18

6:50 pm-4:45 pm

1 stop13h 55m

$713

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 11/15

7:50 am-4:55 pm

1 stop17h 05m

Seattle/Tacoma Intl

Tue 11/18

1:25 pm-4:45 pm

1 stop19h 20m

$734

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 10/1

12:30 pm-9:10 pm

1 stop16h 40m

Portland

Sun 10/5

11:55 pm-10:15 am

2 stops26h 20m

$894

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 11/27

8:05 pm-3:55 pm

1 stop27h 50m

Portland

Mon 12/1

5:45 pm-4:45 pm

1 stop15h 00m

$933

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 11/27

7:50 am-12:36 pm

2 stops36h 46m

Portland

Mon 12/1

1:26 pm-11:30 am

2 stops38h 04m

$936

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Tue 9/30

9:15 pm-11:54 pm

2 stops34h 39m

Portland

Sat 10/4

2:56 pm-11:20 am

2 stops36h 24m

$1,010

ShannonSpokane

SNN - GEG

SNNGEG

Shannon

Thu 10/2

12:30 pm-11:15 pm

2 stops42h 45m

Spokane

Mon 10/6

4:00 pm-10:15 am

2 stops34h 15m

$1,011

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Tue 9/30

9:15 pm-6:54 pm

2 stops29h 39m

Portland

Sat 10/4

2:52 pm-11:20 am

2 stops36h 28m

$1,027

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Fri 11/21

7:40 pm-9:36 am

3 stops45h 56m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 12 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 47m. Fly via United Airlines, American Airlines, or British Airways 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 - Portland, Shannon - Spokane and Shannon - Seattle/Tacoma Intl.

  • 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.

  • What is the cheapest month to book a flight from Shannon, Clare to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Shannon, Clare to State of Washington (average of $238). Flying from Shannon, Clare to State of Washington in June is currently the most expensive (average of $387). 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.

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