HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shannon

$314+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SNN
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Shannon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 junio 12, 2025.

Round-trip from

$499
(American Airlines)

One-way from

$314
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,304
From Washington to Shannon
Search Deals
One-way flight from Washington to Shannon
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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.
jue. 11/275:55 amPDX - SNN
2 stops21h 35mAmerican Airlines
mar. 12/97:50 amSNN - PDX
2 stops22h 29mAmerican Airlines
Deal found 6/12$499
This United Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 9/117:00 amPDX - SNN
1 stop16h 30mUnited Airlines
mié. 9/2412:30 pmSNN - PDX
1 stop17h 07mUnited Airlines
Deal found 6/10$516
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/38:45 amSEA - SNN
2 stops14h 45mUnited Airlines
vie. 9/199:30 amSNN - SEA
1 stop17h 19mUnited Airlines
Deal found 6/12$516
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/211:25 pmPDX - SNN
1 stop13h 45mDelta
lun. 7/281:05 pmSNN - PDX
1 stop16h 25mDelta
Deal found 6/11$576
This American Airlines deal was found by Cheapflights users on 6/10. 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.
sáb. 9/2010:11 amSEA - SNN
2 stops17h 09mAmerican Airlines
mié. 10/89:15 pmSNN - SEA
1 stop29h 05mAmerican Airlines
Deal found 6/10$609
This Air France deal was found by Cheapflights users on 6/10. 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.
lun. 7/217:00 amPDX - SNN
1 stop20h 10mAir France
jue. 7/311:05 pmSNN - PDX
2 stops16h 56mAir France
Deal found 6/10$621
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/243:25 pmPDX - SNN
2 stops37h 05mAir Canada
dom. 11/27:50 amSNN - PDX
2 stops33h 44mAir Canada
Deal found 6/11$685
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/37:15 amSEA - SNN
2 stops29h 20mAir Canada
vie. 9/197:40 amSNN - SEA
3 stops18h 56mAir Canada
Deal found 6/12$715
This United deal was found by Cheapflights users on 6/12. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/155:30 amPDX - SNN
3 stops44h 45mMultiple Airlines
jue. 10/308:05 pmSNN - PDX
2 stops44h 29mMultiple Airlines
Deal found 6/12$751
This United deal was found by Cheapflights users on 6/10. 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.
sáb. 9/207:10 amSEA - SNN
3 stops43h 05mMultiple Airlines
mié. 10/89:15 pmSNN - SEA
2 stops47h 55mMultiple Airlines
Deal found 6/10$782
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/77:25 pmPDX - SNN
1 stop12h 45mBritish Airways
mié. 10/157:40 amSNN - PDX
1 stop17h 55mBritish Airways
Deal found 6/11$845
This Ovago deal was found by Cheapflights users on 6/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/171:30 pmSEA - SNN
1 stop13h 50mBritish Airways
sáb. 10/45:30 pmSNN - SEA
1 stop26h 00mBritish Airways
Deal found 6/10$946

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 junio 12, 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

jue. 11/27

5:55 am-11:30 am

2 stops21h 35m

Shannon

mar. 12/9

7:50 am-10:19 pm

2 stops22h 29m

$499

PortlandShannon

PDX - SNN

PDXSNN

Portland

jue. 9/11

7:00 am-7:30 am

1 stop16h 30m

Shannon

mié. 9/24

12:30 pm-9:37 pm

1 stop17h 07m

$516

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

mié. 9/3

8:45 am-7:30 am

2 stops14h 45m

Shannon

vie. 9/19

9:30 am-6:49 pm

1 stop17h 19m

$516

PortlandShannon

PDX - SNN

PDXSNN

Portland

lun. 7/21

1:25 pm-11:10 am

1 stop13h 45m

Shannon

lun. 7/28

1:05 pm-9:30 pm

1 stop16h 25m

$576

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

sáb. 9/20

10:11 am-11:20 am

2 stops17h 09m

Shannon

mié. 10/8

9:15 pm-6:20 pm

1 stop29h 05m

$609

PortlandShannon

PDX - SNN

PDXSNN

Portland

lun. 7/21

7:00 am-11:10 am

1 stop20h 10m

Shannon

jue. 7/31

1:05 pm-10:01 pm

2 stops16h 56m

$621

PortlandShannon

PDX - SNN

PDXSNN

Portland

vie. 10/24

3:25 pm-12:30 pm

2 stops37h 05m

Shannon

dom. 11/2

7:50 am-10:34 am

2 stops33h 44m

$685

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

mié. 9/3

7:15 am-8:35 pm

2 stops29h 20m

Shannon

vie. 9/19

7:40 am-6:36 pm

3 stops18h 56m

$715

PortlandShannon

PDX - SNN

PDXSNN

Portland

mié. 10/15

5:30 am-10:15 am

3 stops44h 45m

Shannon

jue. 10/30

8:05 pm-9:34 am

2 stops44h 29m

$751

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

sáb. 9/20

7:10 am-10:15 am

3 stops43h 05m

Shannon

mié. 10/8

9:15 pm-1:10 pm

2 stops47h 55m

$782

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 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 $959). 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 junio 12, 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 junio 12, 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
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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 Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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 Air France. According to our data, you can fly for as low as $444. Users have also found prices from $1,362 and $4,068 on British Airways and Delta, 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 $959). 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

Traveling to a place near Washington?

Book flights to Washington if you plan to visit one of these locations
Ennis

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Dublin flights
John F Kennedy Intl to Dublin flights
Boston to Dublin flights
O'Hare Intl to Dublin flights
LaGuardia to Dublin flights
Dulles Intl to Dublin flights
Minneapolis to Dublin flights
Dallas/Fort Worth to Dublin flights
Los Angeles to Dublin flights
Seattle to Dublin flights
San Francisco to Dublin flights
Philadelphia to Dublin flights
Denver to Dublin flights
Baltimore to Dublin flights
Reagan-National to Dublin flights
Orlando to Dublin flights
Atlanta to Dublin flights
Cleveland to Dublin flights
John F Kennedy Intl to Shannon flights
Charlotte to Dublin flights
Midway to Dublin flights
Stewart to Dublin flights
Boston to Shannon flights
Detroit to Dublin flights
Love Field to Dublin flights
Hartford to Dublin flights
Newark to Shannon flights
Nashville to Dublin flights
Raleigh to Dublin flights
Indianapolis to Dublin flights
Portland to Dublin flights
Hobby to Dublin flights
Austin to Dublin flights
Cincinnati to Dublin flights
Ontario to Dublin flights
Miami to Dublin flights
Kansas City to Dublin flights
Pittsburgh to Dublin flights
Tampa to Dublin flights
LaGuardia to Shannon flights
George Bush Intcntl to Dublin flights
Sky Harbor Intl to Dublin flights
San Jose to Dublin flights
Salt Lake City to Dublin flights
O'Hare Intl to Shannon flights
St. Louis to Dublin flights
Santa Ana to Dublin flights
Jacksonville to Dublin flights
San Diego to Dublin flights
Columbus to Dublin flights

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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$541Average$841FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$593Average$746FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$703Average$881FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$703Average$797FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.