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Shannon

$385+ Cheap flights from Washington to Shannon (SNN)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SNN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Washington to Shannon

Keep the following information in mind while searching for Washington to Shannon flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$534
(American Airlines)

One-way from

$385
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$911
Provider with most accurate pricing for Seattle/Tacoma Intl-Shannon flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Shannon flights.
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From Washington to Shannon
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One-way flight from Washington to Shannon
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Highest demand for flights based on searches. 16% potential increase in price ($174 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Washington to Shannon

Cheapest flights from Washington to Shannon
Explore the most affordable flight options available from Washington to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/20. 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 2/252:14 pmPDX - SNN
2 stops18h 31mAmerican Airlines
Mon 3/37:45 amSNN - PDX
2 stops21h 13mAmerican Airlines
Deal found 2/20$534
This United Airlines deal was found by Cheapflights users on 2/20. 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 8/137:00 amPDX - SNN
1 stop16h 30mUnited Airlines
Tue 8/269:30 amSNN - PDX
1 stop13h 45mUnited Airlines
Deal found 2/20$594
This American Airlines deal was found by Cheapflights users on 2/20. 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 3/101:25 pmSEA - SNN
2 stops20h 20mAmerican Airlines
Mon 3/177:45 amSNN - SEA
2 stops22h 22mAmerican Airlines
Deal found 2/20$633
This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/97:33 pmSEA - SNN
2 stops27h 57mUnited Airlines
Fri 8/229:30 amSNN - SEA
2 stops19h 42mUnited Airlines
Deal found 2/20$639
This Air Canada deal was found by Cheapflights users on 2/20. 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 2/2510:10 amPDX - SNN
2 stops25h 15mMultiple Airlines
Mon 3/37:45 amSNN - PDX
3 stops22h 24mMultiple Airlines
Deal found 2/20$719
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/109:00 pmSEA - SNN
2 stops15h 25mAer Lingus
Mon 3/178:05 pmSNN - SEA
1 stop23h 15mAer Lingus
Deal found 2/20$744
This Air Canada deal was found by Cheapflights users on 2/20. 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 3/105:55 amSEA - SNN
3 stops22h 35mMultiple Airlines
Mon 3/178:05 pmSNN - SEA
2 stops32h 25mMultiple Airlines
Deal found 2/20$781
This Kissandfly.com deal was found by Cheapflights users on 2/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/412:20 pmSEA - SNN
1 stop13h 55mLufthansa
Fri 4/1112:30 pmSNN - SEA
1 stop17h 49mLufthansa
Deal found 2/20$798
This Air Canada deal was found by Cheapflights users on 2/20. 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 3/105:55 amSEA - SNN
3 stops22h 35mAir Canada
Mon 3/177:45 amSNN - SEA
3 stops33h 05mAir Canada
Deal found 2/20$831
This Gurufare deal was found by Cheapflights users on 2/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/177:50 pmSEA - SNN
1 stop13h 55mBritish Airways
Mon 3/245:30 pmSNN - SEA
1 stop25h 50mBritish Airways
Deal found 2/19$841
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/256:30 pmPDX - SNN
1 stop14h 15mBritish Airways
Mon 3/38:05 pmSNN - PDX
1 stop28h 30mBritish Airways
Deal found 2/20$891
This Air Canada deal was found by Cheapflights users on 2/20. 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 5/156:15 amPDX - SNN
3 stops21h 05mAir Canada
Mon 5/267:40 amSNN - PDX
2 stops23h 15mAir Canada
Deal found 2/20$916

Find flights from Washington to Shannon within your budget

Customize your flight search to find flights from Washington 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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Washington

Fly to

Shannon

Route

Depart

Return

Price

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 2/25

2:14 pm-4:45 pm

2 stops18h 31m

Shannon

Mon 3/3

7:45 am-8:58 pm

2 stops21h 13m

$534

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/10

1:25 pm-4:45 pm

2 stops20h 20m

Shannon

Mon 3/17

7:45 am-11:07 pm

2 stops22h 22m

$633

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 8/9

7:33 pm-7:30 am

2 stops27h 57m

Shannon

Fri 8/22

9:30 am-9:12 pm

2 stops19h 42m

$639

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 2/25

10:10 am-7:25 pm

2 stops25h 15m

Shannon

Mon 3/3

7:45 am-10:09 pm

3 stops22h 24m

$719

PortlandShannon

PDX - SNN

PDXSNN

Portland

Fri 4/4

11:59 pm-10:15 am

2 stops26h 16m

Shannon

Sat 4/12

12:30 pm-9:47 am

2 stops29h 17m

$732

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/10

9:00 pm-7:25 pm

2 stops15h 25m

Shannon

Mon 3/17

8:05 pm-12:20 pm

1 stop23h 15m

$744

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/10

5:55 am-11:30 am

3 stops22h 35m

Shannon

Mon 3/17

8:05 pm-9:30 pm

2 stops32h 25m

$781

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 4/4

12:20 pm-10:15 am

1 stop13h 55m

Shannon

Fri 4/11

12:30 pm-10:19 pm

1 stop17h 49m

$798

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/10

5:55 am-11:30 am

3 stops22h 35m

Shannon

Mon 3/17

7:45 am-9:50 am

3 stops33h 05m

$831

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/17

7:50 pm-4:45 pm

1 stop13h 55m

Shannon

Mon 3/24

5:30 pm-12:20 pm

1 stop25h 50m

$841

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 19 results
1
2

Best time to book a flight from Washington to Shannon

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

Travel insights for flights from Washington to Shannon

Get recent, data-driven insights about flights from Washington to Shannon including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from State of Washington to Shannon, Clare (average of $533). Flying from State of Washington to Shannon, Clare in June is currently the most expensive (average of $1,007). 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.

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

Find hourly flight availability from Washington to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from State of Washington to Shannon, Clare, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Shannon by month

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

In terms of precipitation, rainfall in Shannon, Clare ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon, Clare when rainfall is around 2.3 in.

Temperature in Shannon by month

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

If weather is an important factor for your trip to Shannon, Clare, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 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 February 20, 2025.
Read through reviews of airlines operating flights from Washington to Shannon, such as KLM, United Airlines and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,765 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Aer Lingus
7.0
Good
1,070 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Air Canada
7.0
Good
8,748 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Washington to Shannon. 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 into for flights to Shannon from Washington?

    Located just 2.1 mi from the city center, Shannon (SNN) is the airport most travelers will use when flying to Shannon from Washington.

  • What are the cheapest airlines to fly from State of Washington to Shannon, Clare one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $495. Users have also found prices from $573 and $585 on British Airways and KLM, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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.

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

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Shannon, Clare (average of $533). Flying from State of Washington to Shannon, Clare in June is currently the most expensive (average of $1,007). 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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Alternative routes for Washington to Shannon

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Top 5 airlines flying from Washington to Shannon

Discover the top 5 airlines that operate flights from Washington 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 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$493Average$884FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$508Average$964FlexibilityNo cancel feeOn-time69%
DeltaCheapest$613Average$894FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$703Average$909FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$703Average$795FlexibilityNo cancel feeOn-timeN/A
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