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Shannon

$415+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SNN
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$595
(KLM)

One-way from

$415
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$859
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. 17% potential increase in price ($180 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This KLM deal was found by Cheapflights users on 3/31. 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.
Mon 8/117:00 amPDX - SNN
1 stop20h 10mMultiple Airlines
Fri 8/221:05 pmSNN - PDX
1 stop18h 22mMultiple Airlines
Deal found 3/31$595
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Mon 8/1110:54 amPDX - SNN
1 stop12h 36mUnited Airlines
Fri 8/229:30 amSNN - PDX
2 stops20h 53mUnited Airlines
Deal found 3/31$599
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/306:15 amSEA - SNN
2 stops20h 00mUnited Airlines
Wed 5/712:30 pmSNN - SEA
3 stops33h 30mUnited Airlines
Deal found 3/31$639
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 5/142:20 pmSEA - SNN
2 stops17h 50mAmerican Airlines
Wed 5/217:40 amSNN - SEA
2 stops22h 10mAmerican Airlines
Deal found 3/30$646
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 5/287:16 amSEA - SNN
1 stop19h 54mDelta
Sun 6/81:05 pmSNN - SEA
1 stop29h 13mDelta
Deal found 3/30$705
This Orbitz deal was found by Cheapflights users on 3/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/27:00 amPDX - SNN
2 stops20h 20mBritish Airways
Mon 4/79:15 pmSNN - PDX
1 stop28h 20mBritish Airways
Deal found 3/30$728
This Air France deal was found by Cheapflights users on 3/30. 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.
Wed 5/286:00 amSEA - SNN
2 stops21h 10mAir France
Sun 6/81:05 pmSNN - SEA
1 stop17h 44mAir France
Deal found 3/30$736
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 5/143:24 pmPDX - SNN
2 stops16h 46mAmerican Airlines
Wed 5/217:40 amSNN - PDX
2 stops21h 41mAmerican Airlines
Deal found 3/30$763
This Air Canada deal was found by Cheapflights users on 3/30. 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 9/96:15 amPDX - SNN
2 stops30h 20mAir Canada
Tue 9/307:40 amSNN - PDX
3 stops19h 06mAir Canada
Deal found 3/30$791
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:00 amSEA - SNN
3 stops24h 45mMultiple Airlines
Wed 5/214:25 pmSNN - SEA
3 stops39h 45mMultiple Airlines
Deal found 3/30$810
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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.
Wed 4/306:45 pmSEA - SNN
2 stops17h 50mAer Lingus
Wed 5/79:15 pmSNN - SEA
1 stop22h 20mAer Lingus
Deal found 3/31$832
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/512:10 pmSEA - SNN
2 stops44h 00mAir Canada
Sat 7/125:30 pmSNN - SEA
2 stops49h 40mAir Canada
Deal found 3/30$979

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 March 31, 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

Mon 8/11

7:00 am-11:10 am

1 stop20h 10m

Shannon

Fri 8/22

1:05 pm-11:27 pm

1 stop18h 22m

$595

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 8/11

10:54 am-7:30 am

1 stop12h 36m

Shannon

Fri 8/22

9:30 am-10:23 pm

2 stops20h 53m

$599

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 4/30

6:15 am-10:15 am

2 stops20h 00m

Shannon

Wed 5/7

12:30 pm-2:00 pm

3 stops33h 30m

$639

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 5/14

2:20 pm-4:10 pm

2 stops17h 50m

Shannon

Wed 5/21

7:40 am-9:50 pm

2 stops22h 10m

$646

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 5/28

7:16 am-11:10 am

1 stop19h 54m

Shannon

Sun 6/8

1:05 pm-10:18 am

1 stop29h 13m

$705

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 5/28

6:00 am-11:10 am

2 stops21h 10m

Shannon

Sun 6/8

1:05 pm-10:49 pm

1 stop17h 44m

$736

PortlandShannon

PDX - SNN

PDXSNN

Portland

Wed 5/14

3:24 pm-4:10 pm

2 stops16h 46m

Shannon

Wed 5/21

7:40 am-9:21 pm

2 stops21h 41m

$763

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 9/9

6:15 am-8:35 pm

2 stops30h 20m

Shannon

Tue 9/30

7:40 am-6:46 pm

3 stops19h 06m

$791

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 5/14

6:00 am-2:45 pm

3 stops24h 45m

Shannon

Wed 5/21

4:25 pm-12:10 am

3 stops39h 45m

$810

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 4/30

6:45 pm-8:35 pm

2 stops17h 50m

Shannon

Wed 5/7

9:15 pm-11:35 am

1 stop22h 20m

$832

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 $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 March 31, 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 March 31, 2025.
Read through reviews of airlines operating flights from Washington to Shannon, such as Delta, Air France and United Airlines. 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
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,004 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 American Airlines. According to our data, you can fly for as low as $581. Users have also found prices from $591 and $678 on United Airlines and Air Canada, 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.

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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$541Average$900FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$568Average$923FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$703Average$869FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$703Average$815FlexibilityNo cancel feeOn-timeN/A
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