Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Washington to Shannon from €332

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 21/4. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington to Shannon

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
19:30 - 20:35
PDX
-
SNN
17h 05m1 stop
American Airlines Logo
07:40 - 17:40
SNN
-
PDX
18h 00m1 stop
€400American Airlines
Sun, 26 Apr - Wed, 6 May
American Airlines Logo
18:50 - 16:45
SEA
-
SNN
13h 55m1 stop
American Airlines Logo
07:50 - 17:55
SNN
-
SEA
17h 05m1 stop
€400American Airlines
Sun, 1 Mar - Tue, 10 Mar
American Airlines Logo
06:43 - 11:30
PDX
-
SNN
20h 47m2 stops
American Airlines Logo
07:50 - 16:55
SNN
-
PDX
16h 05m1 stop
€404American Airlines
Thu, 5 Mar - Wed, 11 Mar
Lufthansa Logo
14:14 - 11:15
PDX
-
SNN
37h 01m2 stops
Lufthansa Logo
10:55 - 00:48
SNN
-
PDX
21h 53m2 stops
€504Lufthansa
Thu, 30 Apr - Thu, 14 May
United Airlines Logo
05:15 - 10:15
PDX
-
SNN
21h 00m2 stops
United Airlines Logo
12:30 - 21:16
SNN
-
PDX
16h 46m1 stop
€508United Airlines
Thu, 30 Apr - Thu, 14 May
Air Canada Logo
09:50 - 16:45
PDX
-
SNN
22h 55m2 stops
Air Canada Logo
07:50 - 09:15
SNN
-
PDX
33h 25m2 stops
€544Air Canada
Wed, 28 Jan - Wed, 4 Feb
British Airways Logo
16:14 - 19:25
PDX
-
SNN
19h 11m2 stops
British Airways Logo
17:25 - 15:55
SNN
-
PDX
30h 30m1 stop
€548British Airways
Sat, 10 Jan - Sat, 17 Jan
Air Canada Logo
15:40 - 15:45
SEA
-
SNN
16h 05m2 stops
Air Canada Logo
07:50 - 09:15
SNN
-
SEA
33h 25m2 stops
€570Air Canada
Fri, 30 Jan - Tue, 3 Feb
British Airways Logo
18:50 - 15:45
SEA
-
SNN
12h 55m1 stop
British Airways Logo
20:05 - 16:55
SNN
-
SEA
28h 50m1 stop
€572British Airways
Fri, 30 Jan - Tue, 3 Feb
United Airlines Logo
07:00 - 07:30
SEA
-
SNN
16h 30m1 stop
United Airlines Logo
09:30 - 00:33
SNN
-
SEA
23h 03m2 stops
€582United Airlines
Mon, 1 Jun - Fri, 19 Jun

American Airlines flights from State of Washington to Shannon, Clare

Our best American Airlines deals on State of Washington to Shannon, Clare flight tickets
American Airlines
26 Apr
PDX19:30Portland
17h 05m
1 stop
SNN20:35Shannon
6 May
SNN07:40Shannon
18h 00m
1 stop
PDX17:40Portland
€400
Find similar
American Airlines
5 Mar
PDX06:43Portland
20h 47m
2 stops
SNN11:30Shannon
11 Mar
SNN07:50Shannon
16h 05m
1 stop
PDX16:55Portland
€404
Find similar
American Airlines
5 Mar
PDX06:43Portland
20h 47m
2 stops
SNN11:30Shannon
11 Mar
SNN07:50Shannon
22h 54m
2 stops
PDX23:44Portland
€412
Find similar

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
28 Jan
PDX09:50Portland
22h 55m
2 stops
SNN16:45Shannon
4 Feb
SNN07:50Shannon
33h 25m
2 stops
PDX09:15Portland
€544
Find similar
Air Canada
30 Jan
SEA15:40Seattle/Tacoma Intl
16h 05m
2 stops
SNN15:45Shannon
3 Feb
SNN07:50Shannon
33h 25m
2 stops
SEA09:15Seattle/Tacoma Intl
€570
Find similar
Air Canada
28 Jan
PDX10:47Portland
21h 58m
3 stops
SNN16:45Shannon
4 Feb
SNN07:50Shannon
33h 25m
3 stops
PDX09:15Portland
€582
Find similar

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 15 December 2025.
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

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 26/4

19:30-20:35

1 stop17h 05m

Shannon

Wed 6/5

07:40-17:40

1 stop18h 00m

€400

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 1/3

18:50-16:45

1 stop13h 55m

Shannon

Tue 10/3

07:50-17:55

1 stop17h 05m

€400

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 5/3

06:43-11:30

2 stops20h 47m

Shannon

Wed 11/3

07:50-16:55

1 stop16h 05m

€404

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 30/4

14:14-11:15

2 stops37h 01m

Shannon

Thu 14/5

10:55-00:48

2 stops21h 53m

€504

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 30/4

05:15-10:15

2 stops21h 00m

Shannon

Thu 14/5

12:30-21:16

1 stop16h 46m

€508

PortlandShannon

PDX - SNN

PDXSNN

Portland

Wed 28/1

09:50-16:45

2 stops22h 55m

Shannon

Wed 4/2

07:50-09:15

2 stops33h 25m

€544

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 10/1

16:14-19:25

2 stops19h 11m

Shannon

Sat 17/1

17:25-15:55

1 stop30h 30m

€548

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 30/1

15:40-15:45

2 stops16h 05m

Shannon

Tue 3/2

07:50-09:15

2 stops33h 25m

€570

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 30/1

18:50-15:45

1 stop12h 55m

Shannon

Tue 3/2

20:05-16:55

1 stop28h 50m

€572

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 1/6

07:00-07:30

1 stop16h 30m

Shannon

Fri 19/6

09:30-00:33

2 stops23h 03m

€582

Flights are sorted by cheapest return 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

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

American Airlines, United Airlines, and British Airways 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

16h 30m

Direct flights

None
The fastest flight from State of Washington to Shannon, Clare takes 16h 30m
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

  • 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
Nenagh
Tipperary
Adare
Killaloe
Lahinch
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.

An easier way to manage your Shannon, Clare trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 14/1
Wed 21/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland