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Cheap flights from Washington to Shannon from $338

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 9/4. 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
0 bags

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Find the cheapest flights from Washington to Shannon

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:45 am - 7:30 am
PDX
-
SNN
12h 45m
1 stop
United Airlines Logo
12:30 pm - 10:03 pm
SNN
-
PDX
17h 33m
1 stop
$753United Airlines
Mon, Sep 7 - Thu, Sep 10
United Airlines Logo
1:00 pm - 10:15 am
SEA
-
SNN
13h 15m
1 stop
United Airlines Logo
12:30 pm - 11:45 pm
SNN
-
SEA
19h 15m
1 stop
$753United Airlines
Sun, Sep 13 - Fri, Sep 18
United Airlines Logo
5:00 am - 7:30 am
PDX
-
SNN
18h 30m
2 stops
United Airlines Logo
9:30 am - 8:50 pm
SNN
-
PDX
19h 20m
2 stops
$758United Airlines
Mon, Sep 7 - Thu, Sep 10
United Airlines Logo
4:30 pm - 7:30 am
SEA
-
SNN
31h 00m
2 stops
United Airlines Logo
12:30 pm - 10:03 am
SNN
-
SEA
29h 33m
2 stops
$758United Airlines
Tue, Sep 1 - Fri, Sep 4
United Airlines Logo
5:13 pm - 7:30 am
SEA
-
SNN
30h 17m
1 stop
United Airlines Logo
9:30 am - 10:42 pm
SNN
-
SEA
21h 12m
1 stop
$759United Airlines
Tue, Sep 1 - Fri, Sep 4
United Airlines Logo
5:13 pm - 7:30 am
SEA
-
SNN
30h 17m
1 stop
United Airlines Logo
12:30 pm - 10:03 am
SNN
-
SEA
29h 33m
2 stops
$764United Airlines
Tue, Sep 1 - Fri, Sep 4
Delta Logo
7:15 am - 11:10 am
SEA
-
SNN
19h 55m
1 stop
Delta Logo
1:05 pm - 10:16 pm
SNN
-
SEA
17h 11m
1 stop
$770Delta
Tue, Aug 25 - Tue, Sep 8
KLM Logo
1:30 pm - 11:10 am
SEA
-
SNN
37h 40m
2 stops
KLM Logo
1:05 pm - 11:20 pm
SNN
-
SEA
18h 15m
1 stop
$776KLM
Tue, Aug 4 - Tue, Aug 25
Multiple Airlines Logo
1:30 pm - 11:10 am
SEA
-
SNN
37h 40m
2 stops
Multiple Airlines Logo
1:05 pm - 4:59 pm
SNN
-
SEA
35h 54m
2 stops
$777Multiple Airlines
Tue, Aug 4 - Tue, Aug 25
Delta Logo
10:05 pm - 11:10 am
PDX
-
SNN
29h 05m
1 stop
Delta Logo
1:05 pm - 9:35 pm
SNN
-
PDX
16h 30m
1 stop
$809Delta
Sat, Sep 5 - Sat, Sep 19

KLM flights from State of Washington to Shannon, Clare

Our best KLM deals on State of Washington to Shannon, Clare flight tickets
KLM
Aug 4
SEA1:30 pmSeattle/Tacoma Intl
37h 40m
2 stops
SNN11:10 amShannon
Aug 25
SNN1:05 pmShannon
18h 15m
1 stop
SEA11:20 pmSeattle/Tacoma Intl
$776
KLM
Jul 8
PDX5:14 pmPortland
33h 56m
2 stops
SNN11:10 amShannon
Jul 22
SNN1:05 pmShannon
16h 08m
1 stop
PDX9:13 pmPortland
$919
KLM
Jul 8
PDX5:14 pmPortland
33h 56m
2 stops
SNN11:10 amShannon
Jul 22
SNN1:05 pmShannon
35h 04m
2 stops
PDX4:09 pmPortland
$922

Air Canada flights from State of Washington to Shannon, Clare

Our best Air Canada deals on State of Washington to Shannon, Clare flight tickets
Air Canada
Aug 25
SEA8:00 amSeattle/Tacoma Intl
24h 10m
2 stops
SNN4:10 pmShannon
Sep 8
SNN7:30 amShannon
23h 12m
3 stops
SEA10:42 pmSeattle/Tacoma Intl
$965
Air Canada
Aug 25
SEA8:00 amSeattle/Tacoma Intl
19h 20m
2 stops
SNN11:20 amShannon
Sep 8
SNN7:30 amShannon
23h 12m
3 stops
SEA10:42 pmSeattle/Tacoma Intl
$970
Air Canada
Aug 3
SEA8:00 amSeattle/Tacoma Intl
24h 10m
2 stops
SNN4:10 pmShannon
Aug 24
SNN7:30 amShannon
23h 18m
3 stops
SEA10:48 pmSeattle/Tacoma Intl
$1,012

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 May 11, 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
Quickest round-trip

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 9/7

10:45 am-7:30 am

1 stop12h 45m

Shannon

Thu 9/10

12:30 pm-10:03 pm

1 stop17h 33m

$753

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 9/13

1:00 pm-10:15 am

1 stop13h 15m

Shannon

Fri 9/18

12:30 pm-11:45 pm

1 stop19h 15m

$753

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 9/7

5:00 am-7:30 am

2 stops18h 30m

Shannon

Thu 9/10

9:30 am-8:50 pm

2 stops19h 20m

$758

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 9/1

4:30 pm-7:30 am

2 stops31h 00m

Shannon

Fri 9/4

12:30 pm-10:03 am

2 stops29h 33m

$758

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 9/1

5:13 pm-7:30 am

1 stop30h 17m

Shannon

Fri 9/4

9:30 am-10:42 pm

1 stop21h 12m

$759

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 9/1

5:13 pm-7:30 am

1 stop30h 17m

Shannon

Fri 9/4

12:30 pm-10:03 am

2 stops29h 33m

$764

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 8/25

7:15 am-11:10 am

1 stop19h 55m

Shannon

Tue 9/8

1:05 pm-10:16 pm

1 stop17h 11m

$770

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 8/4

1:30 pm-11:10 am

2 stops37h 40m

Shannon

Tue 8/25

1:05 pm-11:20 pm

1 stop18h 15m

$776

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 8/4

1:30 pm-11:10 am

2 stops37h 40m

Shannon

Tue 8/25

1:05 pm-4:59 pm

2 stops35h 54m

$777

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 9/5

10:05 pm-11:10 am

1 stop29h 05m

Shannon

Sat 9/19

1:05 pm-9:35 pm

1 stop16h 30m

$809

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 21% 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

14h 50m

Direct flights

None
The fastest flight from State of Washington to Shannon, Clare takes 14h 50m
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 $469Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
United AirlinesPriceFrom $586Free CancellationRating
7.4
9,699 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
Bunratty
Ennis
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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