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Cheap flights from Washington to Shannon from $247

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Shannon departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Shannon

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 7:30 am
SEA
-
SNN
16h 30m
1 stop
United Airlines Logo
9:30 am - 7:07 pm
SNN
-
SEA
17h 37m
1 stop
$731United Airlines
Mon, Aug 3 - Mon, Aug 24
United Airlines Logo
7:00 am - 10:15 am
SEA
-
SNN
19h 15m
2 stops
United Airlines Logo
9:30 am - 8:43 pm
SNN
-
SEA
19h 13m
2 stops
$736United Airlines
Mon, Aug 3 - Mon, Aug 24
Air France Logo
7:15 am - 11:10 am
SEA
-
SNN
19h 55m
1 stop
Air France Logo
1:05 pm - 11:20 pm
SNN
-
SEA
18h 15m
1 stop
$813Air France
Tue, Aug 4 - Tue, Aug 25
United Airlines Logo
10:52 am - 7:30 am
SEA
-
SNN
12h 38m
1 stop
United Airlines Logo
9:30 am - 8:43 pm
SNN
-
SEA
19h 13m
2 stops
$817United Airlines
Tue, Aug 4 - Tue, Aug 25
United Airlines Logo
11:13 pm - 10:15 am
SEA
-
SNN
27h 02m
2 stops
United Airlines Logo
12:30 pm - 8:37 pm
SNN
-
SEA
40h 07m
2 stops
$847United Airlines
Sun, Oct 4 - Sun, Oct 18
United Airlines Logo
11:02 pm - 10:15 am
PDX
-
SNN
27h 13m
2 stops
United Airlines Logo
12:30 pm - 10:03 pm
SNN
-
PDX
17h 33m
1 stop
$860United Airlines
Sat, Sep 5 - Sat, Sep 19
United Airlines Logo
10:52 am - 7:30 am
SEA
-
SNN
12h 38m
1 stop
United Airlines Logo
9:30 am - 10:43 pm
SNN
-
SEA
21h 13m
1 stop
$863United Airlines
Mon, Aug 3 - Mon, Aug 24
Delta Logo
10:35 pm - 11:10 am
PDX
-
SNN
28h 35m
1 stop
Delta Logo
1:05 pm - 9:02 pm
SNN
-
PDX
15h 57m
1 stop
$868Delta
Sat, Sep 5 - Sat, Sep 19
KLM Logo
7:05 am - 11:10 am
PDX
-
SNN
20h 05m
1 stop
KLM Logo
1:05 pm - 9:13 pm
SNN
-
PDX
16h 08m
1 stop
$907KLM
Fri, Jul 24 - Fri, Jul 31
Multiple Airlines Logo
9:45 am - 11:10 am
PDX
-
SNN
17h 25m
2 stops
Multiple Airlines Logo
1:05 pm - 4:03 pm
SNN
-
PDX
34h 58m
2 stops
$924Multiple Airlines
Sat, Aug 22 - Sat, Sep 5

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United Airlines flights from State of Washington to Shannon, Clare

Our best United Airlines deals on State of Washington to Shannon, Clare flight tickets
United Airlines
Aug 3
SEA7:00 amSeattle/Tacoma Intl
16h 30m
1 stop
SNN7:30 amShannon
Aug 24
SNN9:30 amShannon
17h 37m
1 stop
SEA7:07 pmSeattle/Tacoma Intl
$731
United Airlines
Aug 3
SEA5:00 amSeattle/Tacoma Intl
21h 15m
2 stops
SNN10:15 amShannon
Aug 24
SNN9:30 amShannon
17h 37m
1 stop
SEA7:07 pmSeattle/Tacoma Intl
$736
United Airlines
Aug 4
SEA10:52 amSeattle/Tacoma Intl
12h 38m
1 stop
SNN7:30 amShannon
Aug 25
SNN9:30 amShannon
19h 13m
2 stops
SEA8:43 pmSeattle/Tacoma Intl
$817

British Airways flights from State of Washington to Shannon, Clare

Our best British Airways deals on State of Washington to Shannon, Clare flight tickets
British Airways
Nov 2
SEA6:50 pmSeattle/Tacoma Intl
13h 55m
1 stop
SNN4:45 pmShannon
Nov 10
SNN8:05 pmShannon
30h 15m
2 stops
SEA6:20 pmSeattle/Tacoma Intl
$924
British Airways
Nov 2
SEA3:50 pmSeattle/Tacoma Intl
19h 35m
2 stops
SNN7:25 pmShannon
Nov 10
SNN8:05 pmShannon
30h 15m
2 stops
SEA6:20 pmSeattle/Tacoma Intl
$928
British Airways
Nov 2
SEA6:50 pmSeattle/Tacoma Intl
16h 35m
1 stop
SNN7:25 pmShannon
Nov 10
SNN7:50 amShannon
17h 05m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$935

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Shannon, Clare 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, momondo users made 832,500 searches. Data last updated June 27, 2026.
Use the filters below to find and compare flights from Washington to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 8/3

7:00 am-7:30 am

1 stop16h 30m

Shannon

Mon 8/24

9:30 am-7:07 pm

1 stop17h 37m

$731

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 8/3

7:00 am-10:15 am

2 stops19h 15m

Shannon

Mon 8/24

9:30 am-8:43 pm

2 stops19h 13m

$736

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 8/4

7:15 am-11:10 am

1 stop19h 55m

Shannon

Tue 8/25

1:05 pm-11:20 pm

1 stop18h 15m

$813
Quickest round-trip

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 8/4

10:52 am-7:30 am

1 stop12h 38m

Shannon

Tue 8/25

9:30 am-8:43 pm

2 stops19h 13m

$817

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 10/4

11:13 pm-10:15 am

2 stops27h 02m

Shannon

Sun 10/18

12:30 pm-8:37 pm

2 stops40h 07m

$847

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 9/5

11:02 pm-10:15 am

2 stops27h 13m

Shannon

Sat 9/19

12:30 pm-10:03 pm

1 stop17h 33m

$860

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 8/3

10:52 am-7:30 am

1 stop12h 38m

Shannon

Mon 8/24

9:30 am-10:43 pm

1 stop21h 13m

$863

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 9/5

10:35 pm-11:10 am

1 stop28h 35m

Shannon

Sat 9/19

1:05 pm-9:02 pm

1 stop15h 57m

$868

PortlandShannon

PDX - SNN

PDXSNN

Portland

Fri 7/24

7:05 am-11:10 am

1 stop20h 05m

Shannon

Fri 7/31

1:05 pm-9:13 pm

1 stop16h 08m

$907

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 8/22

9:45 am-11:10 am

2 stops17h 25m

Shannon

Sat 9/5

1:05 pm-4:03 pm

2 stops34h 58m

$924

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Shannon from

How to get the cheapest flight ticket from State of Washington to Shannon, Clare

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on State of Washington to Shannon, Clare flights?

You could potentially save up to 6% on your flight if you consider stops on a State of Washington to Shannon, Clare flight.

Cheap State of Washington to Shannon, Clare flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Shannon, Clare

Fastest flight time

12h 44m

Direct flights

None
The fastest flight from State of Washington to Shannon, Clare takes 12h 44m
There are no direct flights from State of Washington to Shannon, Clare. There are no popular flight routes from State of Washington to Shannon, Clare.
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Frequently asked questions about flying from Washington to Shannon, Clare

  • When did momondo last update prices for flights from Washington to Shannon Airport?

    Prices for flights from Washington to Shannon Airport are updated daily.

  • How many operators does momondo search for flights from Washington to Shannon Airport?

  • How old do you have to be to fly from Washington to Shannon Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The travel and health documents required for your trip to Shannon Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Shannon Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from State of Washington to Shannon, Clare

Compare and see reviews for airlines that fly from State of Washington to Shannon, Clare with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $468Free CancellationRating
7.1
11,779 reviews
Search American Airlines flights
United AirlinesPriceFrom $586Free CancellationRating
7.4
9,896 reviews
Search United Airlines flights

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Ennis
Bunratty
Adare
Lahinch
Nenagh

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Shannon?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Shannon. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington to Shannon with flexible booking policies on momondo?

Flights from Washington to Shannon with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington to Shannon?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Shannon from Washington.

I’m not ready to book a flight from Washington to Shannon right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington to Shannon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Shannon and let you know when they change.

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