HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shannon

$361+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SNN
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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

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 December 23, 2025.

This Booking.com deal was found by Cheapflights users on 12/21. 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.
Wed 12/315:50 amSEA - SNN
2 stops26h 55mAir Canada
Tue 1/65:30 pmSNN - SEA
2 stops60h 46mAir Canada
Deal found 12/21$896
This Air Canada deal was found by Cheapflights users on 12/22. 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 12/2510:05 amSEA - SNN
2 stops22h 40mMultiple Airlines
Thu 1/88:05 pmSNN - SEA
2 stops34h 11mMultiple Airlines
Deal found 12/22$975
This American Airlines deal was found by Cheapflights users on 12/22. 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.
Fri 12/2612:14 amSEA - SNN
2 stops32h 31mAmerican Airlines
Thu 1/82:45 pmSNN - SEA
2 stops32h 49mAmerican Airlines
Deal found 12/22$1,019
This Air Canada deal was found by Cheapflights users on 12/22. 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.
Wed 12/248:00 pmSEA - SNN
2 stops36h 45mAir Canada
Wed 1/77:50 amSNN - SEA
2 stops46h 26mAir Canada
Deal found 12/22$1,026
This American Airlines deal was found by Cheapflights users on 12/22. 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.
Fri 12/2611:59 pmSEA - SNN
2 stops32h 46mAmerican Airlines
Thu 1/82:45 pmSNN - SEA
2 stops31h 04mAmerican Airlines
Deal found 12/22$1,033
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/256:50 pmSEA - SNN
1 stop13h 55mAmerican Airlines
Wed 1/72:45 pmSNN - SEA
2 stops39h 35mAmerican Airlines
Deal found 12/22$1,065
This Air Canada deal was found by Cheapflights users on 12/22. 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.
Wed 12/248:00 pmSEA - SNN
2 stops36h 45mAir Canada
Thu 1/85:30 pmSNN - SEA
2 stops36h 46mAir Canada
Deal found 12/22$1,072
This Ovago deal was found by Cheapflights users on 12/21. 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.
Wed 12/316:50 pmSEA - SNN
1 stop16h 35mMultiple Airlines
Tue 1/68:05 pmSNN - SEA
2 stops52h 31mMultiple Airlines
Deal found 12/21$1,156
This British Airways deal was found by Cheapflights users on 12/22. 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 12/237:11 pmSEA - SNN
2 stops56h 19mBritish Airways
Thu 1/85:30 pmSNN - SEA
2 stops36h 50mBritish Airways
Deal found 12/22$1,222

Find flight deals from Washington to Shannon

Keep the following information in mind while searching for Washington to Shannon flight deals. Data was last updated December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$474
(American Airlines)

One-way from

$361
(Kiwi.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Shannon flights.
Search Deals
From Washington to Shannon
Search Deals
One-way flight from Washington to Shannon
Search Deals

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 December 23, 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

Thu 3/5

1:51 pm-4:45 pm

2 stops18h 54m

Shannon

Wed 3/11

7:50 am-4:55 pm

1 stop16h 05m

$474

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 2/4

6:50 pm-4:45 pm

1 stop13h 55m

Shannon

Wed 2/11

7:50 am-10:07 pm

2 stops22h 17m

$480

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 1/20

6:00 am-11:30 am

2 stops21h 30m

Shannon

Tue 1/27

7:50 am-8:27 pm

2 stops20h 37m

$484

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 4/30

5:30 am-10:15 am

2 stops20h 45m

Shannon

Thu 5/14

12:30 pm-9:16 pm

1 stop16h 46m

$572

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 4/30

7:30 pm-4:10 pm

1 stop12h 40m

Shannon

Thu 5/14

7:40 am-5:40 pm

1 stop18h 00m

$612

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 4/2

2:10 pm-11:15 am

2 stops37h 05m

Shannon

Sat 4/11

7:40 am-9:15 am

2 stops33h 35m

$615

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 2/4

5:50 am-4:45 pm

2 stops26h 55m

Shannon

Sun 2/8

5:30 pm-9:15 am

2 stops47h 45m

$670

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 2/4

5:45 pm-11:30 am

2 stops33h 45m

Shannon

Sun 2/8

8:05 pm-4:55 pm

1 stop28h 50m

$672

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 2/4

5:50 am-11:30 am

3 stops21h 40m

Shannon

Wed 2/11

7:50 am-10:51 pm

2 stops23h 01m

$676

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 2/4

5:50 am-11:30 am

3 stops21h 40m

Shannon

Wed 2/11

7:50 am-10:51 pm

3 stops23h 01m

$683

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 12 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, November is the cheapest month in which you can book a flight from State of Washington to Shannon, Clare (average of $526). Flying from State of Washington to Shannon, Clare in June is currently the most expensive (average of $1,105). 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 December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from State of Washington to Shannon, Clare at noon. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from State of Washington to Shannon, Clare?

Use this chart to determine the cheapest time to fly round-trip from Washington to Shannon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Shannon, Clare flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

  • How long is the flight from State of Washington to Shannon, Clare?

    For as low as $474, American Airlines can have you in Shannon, Clare from State of Washington in 18h 54m. Airlines will cover a distance of 4595 mi. This flight may include one or multiple stops.

  • 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, November is the cheapest month in which you can book a flight from State of Washington to Shannon, Clare (average of $526). Flying from State of Washington to Shannon, Clare in June is currently the most expensive (average of $1,105). 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 Shannon?

Book flights to Shannon 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.
John F Kennedy Intl to Dublin flights
Newark to Dublin flights
Boston to Dublin flights
O'Hare Intl to Dublin flights
LaGuardia to Dublin flights
Dulles Intl to Dublin flights
Seattle to Dublin flights
Philadelphia to Dublin flights
Minneapolis to Dublin flights
Los Angeles to Dublin flights
Atlanta to Dublin flights
San Francisco to Dublin flights
Cleveland to Dublin flights
Dallas/Fort Worth to Dublin flights
Denver to Dublin flights
Reagan-National to Dublin flights
Charlotte to Dublin flights
Baltimore to Dublin flights
Orlando to Dublin flights
Midway to Dublin flights
Nashville to Dublin flights
Detroit to Dublin flights
Salt Lake City to Dublin flights
Hartford to Dublin flights
Raleigh to Dublin flights
Indianapolis to Dublin flights
John F Kennedy Intl to Shannon flights
Boston to Shannon flights
Kansas City to Dublin flights
Newark to Shannon flights
Pittsburgh to Dublin flights
Portland to Dublin flights
Love Field to Dublin flights
Austin to Dublin flights
Tampa to Dublin flights
Hobby to Dublin flights
Cincinnati to Dublin flights
San Diego to Dublin flights
Miami to Dublin flights
Sky Harbor Intl to Dublin flights
Ontario to Dublin flights
LaGuardia to Shannon flights
St. Louis to Dublin flights
Santa Ana to Dublin flights
George Bush Intcntl to Dublin flights
New Orleans to Dublin flights
Columbus to Dublin flights
Fort Lauderdale to Dublin flights
O'Hare Intl to Shannon flights
Boston to Cork flights

Top 2 airlines flying from Washington to Shannon

Discover the top 2 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$469Average$621FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$593Average$694FlexibilityNo cancel feeOn-time69%

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.