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Cheap flights from Washington to Shannon from €216

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 12/11. 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

Find the cheapest flights from Washington to Shannon

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
05:00 - 07:30PDX  Portland-SNN Shannon
18h 30m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
12:30 - 22:23SNN  Shannon-PDX Portland
17h 53m2 stops Newark Chicago O'Hare Intl
€667United Airlines
Mon, 21 Sep - Tue, 6 Oct
KLM Logo
22:40 - 11:10SEA  Seattle/Tacoma Intl-SNN Shannon
28h 30m1 stop New York John F Kennedy Intl
KLM Logo
13:05 - 20:21SNN  Shannon-SEA Seattle/Tacoma Intl
15h 16m1 stop New York John F Kennedy Intl
€696KLM
Sat, 5 Sep - Fri, 18 Sep
United Airlines Logo
10:35 - 07:30PDX  Portland-SNN Shannon
12h 55m1 stop Chicago O'Hare Intl
United Airlines Logo
12:30 - 22:03SNN  Shannon-PDX Portland
17h 33m1 stop Newark
€704United Airlines
Tue, 8 Sep - Tue, 15 Sep
United Airlines Logo
10:35 - 07:30PDX  Portland-SNN Shannon
12h 55m1 stop Chicago O'Hare Intl
United Airlines Logo
12:30 - 22:45SNN  Shannon-PDX Portland
18h 15m2 stops Newark San Francisco
€707United Airlines
Tue, 8 Sep - Tue, 15 Sep
United Airlines Logo
23:59 - 10:15SEA  Seattle/Tacoma Intl-SNN Shannon
26h 16m2 stops Houston George Bush Intcntl Newark
United Airlines Logo
09:30 - 16:07SNN  Shannon-SEA Seattle/Tacoma Intl
14h 37m1 stop Chicago O'Hare Intl
€707United Airlines
Sat, 5 Sep - Fri, 18 Sep
KLM Logo
13:25 - 11:10SEA  Seattle/Tacoma Intl-SNN Shannon
37h 45m2 stops Salt Lake City New York John F Kennedy Intl
KLM Logo
13:05 - 23:59SNN  Shannon-SEA Seattle/Tacoma Intl
18h 54m2 stops New York John F Kennedy Intl Salt Lake City
€711KLM
Sat, 5 Sep - Fri, 18 Sep
KLM Logo
13:25 - 11:10SEA  Seattle/Tacoma Intl-SNN Shannon
37h 45m2 stops Salt Lake City New York John F Kennedy Intl
KLM Logo
13:05 - 16:50SNN  Shannon-SEA Seattle/Tacoma Intl
35h 45m2 stops New York John F Kennedy Intl Salt Lake City
€735KLM
Sat, 5 Sep - Fri, 18 Sep
United Airlines Logo
23:02 - 10:15PDX  Portland-SNN Shannon
27h 13m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
09:30 - 17:49SNN  Shannon-PDX Portland
16h 19m2 stops Chicago O'Hare Intl Denver Intl
€745United Airlines
Sat, 5 Sep - Sat, 19 Sep
Delta Logo
07:00 - 11:10PDX  Portland-SNN Shannon
20h 10m1 stop New York John F Kennedy Intl
Delta Logo
13:05 - 21:03SNN  Shannon-PDX Portland
15h 58m1 stop New York John F Kennedy Intl
€747Delta
Sun, 6 Sep - Sun, 13 Sep
United Airlines Logo
07:00 - 07:30SEA  Seattle/Tacoma Intl-SNN Shannon
16h 30m1 stop Chicago O'Hare Intl
United Airlines Logo
09:30 - 22:45SNN  Shannon-SEA Seattle/Tacoma Intl
21h 15m1 stop Chicago O'Hare Intl
€747United Airlines
Sat, 5 Sep - Fri, 18 Sep

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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
21 Sept
PDX05:00Portland
18h 30m
2 stops
SNN07:30Shannon
6 Oct
SNN12:30Shannon
17h 53m
2 stops
PDX22:23Portland
€667
United Airlines
8 Sept
PDX10:35Portland
12h 55m
1 stop
SNN07:30Shannon
15 Sept
SNN12:30Shannon
17h 33m
1 stop
PDX22:03Portland
€704
United Airlines
8 Sept
PDX05:00Portland
18h 30m
2 stops
SNN07:30Shannon
15 Sept
SNN12:30Shannon
18h 15m
2 stops
PDX22:45Portland
€707

KLM flights from State of Washington to Shannon, Clare

Our best KLM deals on State of Washington to Shannon, Clare flight tickets
KLM
5 Sept
SEA22:40Seattle/Tacoma Intl
28h 30m
1 stop
SNN11:10Shannon
18 Sept
SNN13:05Shannon
15h 16m
1 stop
SEA20:21Seattle/Tacoma Intl
€696
KLM
5 Sept
SEA13:25Seattle/Tacoma Intl
37h 45m
2 stops
SNN11:10Shannon
18 Sept
SNN13:05Shannon
18h 54m
2 stops
SEA23:59Seattle/Tacoma Intl
€711
KLM
5 Sept
SEA13:25Seattle/Tacoma Intl
37h 45m
2 stops
SNN11:10Shannon
18 Sept
SNN13:05Shannon
35h 45m
2 stops
SEA16:50Seattle/Tacoma Intl
€735

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 11 August 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 return flight

PortlandShannon

PDX Portland - SNN Shannon

PDXSNN

Portland

Mon 21/9

05:00-07:30

2 stops18h 30m

Shannon

Tue 6/10

12:30-22:23

2 stops17h 53m

€667

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Sat 5/9

22:40-11:10

1 stop28h 30m

Shannon

Fri 18/9

13:05-20:21

1 stop15h 16m

€696
Fastest return journey

PortlandShannon

PDX Portland - SNN Shannon

PDXSNN

Portland

Tue 8/9

10:35-07:30

1 stop12h 55m

Shannon

Tue 15/9

12:30-22:03

1 stop17h 33m

€704

PortlandShannon

PDX Portland - SNN Shannon

PDXSNN

Portland

Tue 8/9

10:35-07:30

1 stop12h 55m

Shannon

Tue 15/9

12:30-22:45

2 stops18h 15m

€707

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Sat 5/9

23:59-10:15

2 stops26h 16m

Shannon

Fri 18/9

09:30-16:07

1 stop14h 37m

€707

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Sat 5/9

13:25-11:10

2 stops37h 45m

Shannon

Fri 18/9

13:05-23:59

2 stops18h 54m

€711

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Sat 5/9

13:25-11:10

2 stops37h 45m

Shannon

Fri 18/9

13:05-16:50

2 stops35h 45m

€735

PortlandShannon

PDX Portland - SNN Shannon

PDXSNN

Portland

Sat 5/9

23:02-10:15

2 stops27h 13m

Shannon

Sat 19/9

09:30-17:49

2 stops16h 19m

€745

PortlandShannon

PDX Portland - SNN Shannon

PDXSNN

Portland

Sun 6/9

07:00-11:10

1 stop20h 10m

Shannon

Sun 13/9

13:05-21:03

1 stop15h 58m

€747

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Sat 5/9

07:00-07:30

1 stop16h 30m

Shannon

Fri 18/9

09:30-22:45

1 stop21h 15m

€747

Flights are sorted by cheapest return 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

What is the cheapest airline that flies from Washington to Shannon?

British Airways, American Airlines, and United Airlines are the most popular carriers operating from Washington to Shannon

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 55m

Direct flights

None
The fastest flight from State of Washington to Shannon, Clare takes 12h 55m
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.
Search flight deals

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 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify 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 licence, 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.

Travelling to a place near Shannon?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Shannon from Washington.

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

Yes. momondo allows you to filter the results for Washington to Shannon flights to just show those with flexible booking policies.

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

Once all potential Washington to Shannon flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Shannon from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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