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Shannon

$279+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SNN
May 25 — Jun 11
Sun 5/25
Sun 6/1
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 May 20, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$493
(American Airlines)

One-way from

$279
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$742
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. 11% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 20, 2025.

This American Airlines deal was found by Cheapflights users on 5/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/51:43 pmPDX - SNN
2 stops18h 27mAmerican Airlines
Tue 8/127:40 amSNN - PDX
1 stop17h 55mAmerican Airlines
Deal found 5/19$493
This United Airlines deal was found by Cheapflights users on 5/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/237:00 amPDX - SNN
1 stop16h 30mUnited Airlines
Wed 8/139:30 amSNN - PDX
1 stop13h 44mUnited Airlines
Deal found 5/19$516
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2212:40 amPDX - SNN
2 stops26h 30mDelta
Wed 8/131:05 pmSNN - PDX
1 stop16h 26mDelta
Deal found 5/19$520
This United Airlines deal was found by Cheapflights users on 5/20. 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 9/1011:55 amSEA - SNN
1 stop14h 20mUnited Airlines
Wed 9/179:30 amSNN - SEA
1 stop20h 50mUnited Airlines
Deal found 5/20$536
This American Airlines deal was found by Cheapflights users on 5/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/21:30 pmSEA - SNN
1 stop23h 05mAmerican Airlines
Fri 9/127:40 amSNN - SEA
1 stop18h 40mAmerican Airlines
Deal found 5/19$621
This Air France deal was found by Cheapflights users on 5/19. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/36:55 amPDX - SNN
1 stop20h 15mAir France
Sun 7/201:05 pmSNN - PDX
1 stop16h 25mAir France
Deal found 5/19$666
This Cheapflightsfares deal was found by Cheapflights users on 5/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/412:59 amPDX - SNN
2 stops26h 21mBritish Airways
Tue 8/127:40 amSNN - PDX
1 stop17h 55mBritish Airways
Deal found 5/19$675
This KLM deal was found by Cheapflights users on 5/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/37:20 amSEA - SNN
1 stop19h 50mMultiple Airlines
Thu 7/101:05 pmSNN - SEA
1 stop17h 43mMultiple Airlines
Deal found 5/19$753
This Air Canada deal was found by Cheapflights users on 5/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/267:40 pmPDX - SNN
2 stops40h 55mMultiple Airlines
Mon 6/97:40 amSNN - PDX
3 stops19h 05mMultiple Airlines
Deal found 5/19$802
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2810:58 pmSEA - SNN
1 stop28h 12mDelta
Wed 7/161:05 pmSNN - SEA
1 stop17h 43mDelta
Deal found 5/19$808
This British Airways deal was found by Cheapflights users on 5/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/31:30 pmSEA - SNN
1 stop23h 05mBritish Airways
Thu 7/107:40 amSNN - SEA
2 stops21h 29mBritish Airways
Deal found 5/19$955
This Air Canada deal was found by Cheapflights users on 5/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2610:05 amPDX - SNN
3 stops22h 00mAir Canada
Mon 8/117:40 amSNN - PDX
3 stops22h 49mAir Canada
Deal found 5/19$996

Cheapflights Fare Finder

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 May 20, 2025.
Use the filters below to find and compare flights from Washington to Shannon that are best for you.

Fly from

Washington

Fly to

Shannon

Route

Depart

Return

Price

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 8/5

1:43 pm-4:10 pm

2 stops18h 27m

Shannon

Tue 8/12

7:40 am-5:35 pm

1 stop17h 55m

$493

PortlandShannon

PDX - SNN

PDXSNN

Portland

Wed 7/23

7:00 am-7:30 am

1 stop16h 30m

Shannon

Wed 8/13

9:30 am-3:14 pm

1 stop13h 44m

$516

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 7/22

12:40 am-11:10 am

2 stops26h 30m

Shannon

Wed 8/13

1:05 pm-9:31 pm

1 stop16h 26m

$520

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 9/10

11:55 am-10:15 am

1 stop14h 20m

Shannon

Wed 9/17

9:30 am-10:20 pm

1 stop20h 50m

$536

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 9/2

1:30 pm-11:20 am

1 stop13h 50m

Shannon

Fri 9/12

7:40 am-6:20 pm

1 stop18h 40m

$621

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 7/3

6:55 am-11:10 am

1 stop20h 15m

Shannon

Sun 7/20

1:05 pm-9:30 pm

1 stop16h 25m

$666

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 8/4

12:59 am-11:20 am

2 stops26h 21m

Shannon

Tue 8/12

7:40 am-5:35 pm

1 stop17h 55m

$675

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 7/3

7:20 am-11:10 am

1 stop19h 50m

Shannon

Thu 7/10

1:05 pm-10:48 pm

1 stop17h 43m

$753

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 5/26

7:40 pm-8:35 pm

2 stops40h 55m

Shannon

Mon 6/9

7:40 am-6:45 pm

3 stops19h 05m

$802

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 6/28

10:58 pm-11:10 am

1 stop28h 12m

Shannon

Wed 7/16

1:05 pm-10:48 pm

1 stop17h 43m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

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.

Cheapflights Insights

Everything you need to know about your flight from Washington to Shannon

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 $980). 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 May 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 May 20, 2025.
Read through reviews of airlines operating flights from Washington to Shannon, such as Delta, KLM and Air France. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,346 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.4
Good
1,451 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,744 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $389. Users have also found prices from $519 and $3,221 on KLM and Aer Lingus, 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 $980). 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 Washington to Shannon

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Top 4 airlines flying from Washington to Shannon

Discover the top 4 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 May 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$541Average$768FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$590Average$746FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$703Average$881FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$703Average$797FlexibilityNo cancel feeOn-timeN/A

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