What are the cheapest airlines flying from Washington, D.C. to Shannon, Clare round-trip?

According to our current data, Delta ($644), American Airlines ($655), and United Airlines ($704) offers the cheapest pricing from Washington, D.C. to Shannon, Clare. You may be able to fly from Washington, D.C. to Shannon, Clare for 34% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Washington, D.C. to Shannon, Clare one-way?

The cheapest airlines for a one-way flight from Washington, D.C. to Shannon, Clare are United Airlines ($506), Aer Lingus ($530), and Delta ($553).

What is the cheapest month to book a flight from Washington, D.C. to Shannon, Clare?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Shannon, Clare (average of $533). Flying from Washington, D.C. to Shannon, Clare in June is currently the most expensive (average of $1,007). 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 day to fly from Washington, D.C. to Shannon, Clare?

Travelers seeking maximum savings on their Washington, D.C. to Shannon, Clare flight should consider departing on Sunday mornings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Washington, D.C. to Shannon, Clare?

Most travelers choose Washington, D.C. Dulles Intl - Shannon, Washington, D.C. Reagan-National - Shannon or Baltimore/Washington - Shannon when deciding on the best route from Washington, D.C. to Shannon, Clare.

What are the most popular airlines that fly from Washington, D.C. to Shannon, Clare?

American Airlines, British Airways and United Airlines are the most popular airlines when flying from Washington, D.C. to Shannon, Clare.

What is the cheapest day to fly round-trip from Washington, D.C. to Shannon, Clare?

Flying to your destination on a Tuesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Shannon, Clare. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Washington, D.C. to Shannon, Clare?

To save up to 1,128% on this flight, we recommend booking at least 48 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. to Shannon, Clare from $932 1-2 weeks out and tickets from $1,468 for flights departing within the next 72 hours.

What is the cheapest month to fly from Washington, D.C. to Shannon, Clare?

February is one of the best times of the year to fly to Shannon, Clare from Washington, D.C.. Prices for February average $983 per person but you can even find prices for as low as $711. The most expensive prices can be found in the month of June. Opting for a February flight can save you 38% on your journey compared to booking in June

Most accurate provider : When it comes to deals on Washington, D.C.-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Shannon, Clare flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-Shannon, Clare flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Shannon from Washington, D.C.?

If you book a flight to Shannon from Washington, D.C., you will be flying to Shannon, which is the city’s only airport. Shannon (SNN) is located 2.1 mi from the center of Shannon. There are 0 flights from Washington, D.C. to Shannon per day from 3 different airlines.

Can I find deals for flights from Washington, D.C. to Shannon that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Shannon?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Shannon.

Can I find deals for business class flights from Washington, D.C. to Shannon?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$281+ Flights from Washington, D.C. to Shannon

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Cheap flight deals from Washington, D.C. to Shannon

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$636 (Mytrip)
One-way from	$281 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$897

Provider with most accurate pricing for Washington, D.C. (WAS)-Shannon flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Shannon flights.

Search Deals

From Washington, D.C. (WAS) to Shannon

Search Deals

One-way flight from Washington, D.C. (WAS) to Shannon

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($244 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Washington, D.C. to Shannon

Cheapest flights from Washington, D.C. to Shannon
Explore the most affordable flight options available from Washington, D.C. to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Mon 5/56:50 pmBWI - SNN

2 stops22h 15mMultiple Airlines

Wed 5/216:05 amSNN - BWI

2 stops16h 35mMultiple Airlines

Deal found 3/27

$636

Tue 8/1911:00 amDCA - SNN

1 stop19h 10mDelta

Tue 8/261:05 pmSNN - DCA

1 stop15h 25mDelta

Deal found 3/27

$644

Tue 8/198:30 pmIAD - SNN

1 stop9h 40mDelta

Fri 8/291:05 pmSNN - IAD

1 stop11h 32mDelta

Deal found 3/27

$644

Mon 5/55:00 pmDCA - SNN

2 stops13h 20mAmerican Airlines

Wed 5/217:40 amSNN - DCA

2 stops17h 19mAmerican Airlines

Deal found 3/27

$655

Fri 8/227:00 pmDCA - SNN

1 stop10h 15mUnited Airlines

Fri 8/2912:30 pmSNN - DCA

1 stop9h 53mUnited Airlines

Deal found 3/27

$704

Wed 7/168:30 amIAD - SNN

1 stop18h 00mUnited Airlines

Wed 7/239:30 amSNN - IAD

1 stop11h 40mUnited Airlines

Deal found 3/27

$704

Sun 5/115:27 pmBWI - SNN

2 stops17h 43mAmerican Airlines

Sun 5/187:40 amSNN - BWI

2 stops19h 25mAmerican Airlines

Deal found 3/26

$725

Thu 7/177:05 pmIAD - SNN

1 stop11h 05mMultiple Airlines

Thu 7/311:05 pmSNN - IAD

1 stop11h 32mMultiple Airlines

Deal found 3/27

$725

Tue 8/512:35 pmIAD - SNN

2 stops17h 35mKLM

Tue 8/191:05 pmSNN - IAD

1 stop11h 32mKLM

Deal found 3/27

$732

Sat 8/211:00 amDCA - SNN

1 stop19h 10mMultiple Airlines

Sat 8/91:05 pmSNN - DCA

1 stop15h 25mMultiple Airlines

Deal found 3/27

$795

Mon 5/54:35 pmDCA - SNN

2 stops18h 35mAir Canada

Wed 5/217:40 amSNN - DCA

2 stops19h 13mAir Canada

Deal found 3/27

$802

Tue 8/59:00 pmIAD - SNN

2 stops18h 35mAer Lingus

Tue 8/199:15 pmSNN - IAD

2 stops27h 15mAer Lingus

Deal found 3/27

$825

Best flights from Washington, D.C. to Shannon
Discover carefully curated flight deals from Washington, D.C. to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Mon 5/56:50 pmBWI - SNN

2 stops22h 15mMultiple Airlines

Wed 5/216:05 amSNN - BWI

2 stops16h 35mMultiple Airlines

Deal found 3/27

$636

Tue 8/1911:00 amDCA - SNN

1 stop19h 10mDelta

Tue 8/261:05 pmSNN - DCA

1 stop15h 25mDelta

Deal found 3/27

$644

Mon 5/55:00 pmDCA - SNN

2 stops13h 20mAmerican Airlines

Wed 5/217:40 amSNN - DCA

2 stops17h 19mAmerican Airlines

Deal found 3/27

$655

Fri 8/227:00 pmDCA - SNN

1 stop10h 15mUnited Airlines

Fri 8/2912:30 pmSNN - DCA

1 stop9h 53mUnited Airlines

Deal found 3/27

$704

Tue 8/512:35 pmIAD - SNN

2 stops17h 35mKLM

Tue 8/191:05 pmSNN - IAD

1 stop11h 32mKLM

Deal found 3/27

$732

Mon 5/54:35 pmDCA - SNN

2 stops18h 35mAir Canada

Wed 5/217:40 amSNN - DCA

2 stops19h 13mAir Canada

Deal found 3/27

$802

Tue 8/59:00 pmIAD - SNN

2 stops18h 35mAer Lingus

Tue 8/199:15 pmSNN - IAD

2 stops27h 15mAer Lingus

Deal found 3/27

$825

Mon 5/58:02 pmIAD - SNN

2 stops15h 08mBritish Airways

Wed 5/217:40 amSNN - IAD

1 stop13h 05mBritish Airways

Deal found 3/27

$858

Fri 8/151:45 pmDCA - SNN

2 stops16h 25mAir France

Sun 8/241:05 pmSNN - DCA

1 stop15h 25mAir France

Deal found 3/28

$1,089

Tue 8/198:30 pmIAD - SNN

1 stop9h 40mDelta

Wed 8/271:05 pmSNN - IAD

1 stop11h 32mDelta

Deal found 3/27

$644

Wed 7/168:30 amIAD - SNN

1 stop18h 00mUnited Airlines

Wed 7/239:30 amSNN - IAD

1 stop11h 40mUnited Airlines

Deal found 3/27

$704

Sun 5/115:27 pmBWI - SNN

2 stops17h 43mAmerican Airlines

Sun 5/187:40 amSNN - BWI

2 stops19h 25mAmerican Airlines

Deal found 3/26

$725

Last-minute flights from Washington, D.C. to Shannon
Discover last-minute flight deals from Washington, D.C. to Shannon. Data last updated March 28, 2025 and is based on user searches.

Fri 3/286:10 pmIAD - SNN

2 stops13h 20mBritish Airways

Fri 4/49:15 pmSNN - IAD

1 stop28h 00mBritish Airways

Deal found 3/27

$1,168

Tue 4/15:20 pmIAD - SNN

2 stops13h 00mAer Lingus

Mon 4/79:15 pmSNN - IAD

2 stops23h 35mAer Lingus

Deal found 3/27

$845

Tue 4/14:10 pmDCA - SNN

2 stops14h 10mAir Canada

Mon 4/79:15 pmSNN - DCA

2 stops28h 53mAir Canada

Deal found 3/27

$970

Tue 4/110:40 pmIAD - SNN

1 stop16h 55mAmerican Airlines

Mon 4/79:15 pmSNN - IAD

1 stop27h 55mAmerican Airlines

Deal found 3/27

$970

Sun 4/611:34 amBWI - SNN

2 stops24h 01mMultiple Airlines

Sun 4/136:00 amSNN - BWI

3 stops23h 06mMultiple Airlines

Deal found 3/27

$828

Sun 4/67:18 pmDCA - SNN

1 stop9h 57mUnited Airlines

Sun 4/1312:30 pmSNN - DCA

1 stop12h 12mUnited Airlines

Deal found 3/27

$872

Sun 4/610:05 pmIAD - SNN

2 stops21h 00mMultiple Airlines

Sun 4/133:20 pmSNN - IAD

2 stops33h 39mMultiple Airlines

Deal found 3/27

$886

Sun 4/68:25 pmIAD - SNN

2 stops19h 10mAer Lingus

Sun 4/137:40 amSNN - IAD

1 stop17h 35mAer Lingus

Deal found 3/27

$1,016

Sun 4/611:00 amDCA - SNN

2 stops19h 20mAir Canada

Sun 4/137:40 amSNN - DCA

2 stops18h 28mAir Canada

Deal found 3/27

$1,068

Sun 4/69:55 amDCA - SNN

1 stop19h 20mMultiple Airlines

Sun 4/139:15 pmSNN - DCA

2 stops28h 53mMultiple Airlines

Deal found 3/27

$1,075

Sun 4/69:20 pmBWI - SNN

1 stop18h 15mAer Lingus

Sun 4/139:15 pmSNN - BWI

1 stop27h 20mAer Lingus

Deal found 3/27

$1,097

Sun 4/610:45 amBWI - SNN

2 stops14h 10mAmerican Airlines

Sun 4/137:40 amSNN - BWI

1 stop16h 55mAmerican Airlines

Deal found 3/27

$1,254

One-way flights from Washington, D.C. to Shannon
Search for one-way flight options from Washington, D.C. to Shannon. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Sat 8/238:30 pmIAD - SNN

2 stops32h 00mMultiple Airlines

Deal found 3/26

$281

Sat 8/236:50 pmBWI - SNN

2 stops24h 15mMultiple Airlines

Deal found 3/26

$451

Sat 8/236:00 pmDCA - SNN

1 stop32h 30mUnited Airlines

Deal found 3/27

$506

Sat 8/2310:10 pmIAD - SNN

1 stop28h 20mUnited Airlines

Deal found 3/27

$506

Sat 8/235:11 pmBWI - SNN

1 stop33h 19mUnited Airlines

Deal found 3/27

$507

Thu 9/1110:40 pmIAD - SNN

1 stop16h 55mAer Lingus

Deal found 3/28

$530

Thu 9/112:10 pmBWI - SNN

2 stops16h 00mDelta

Deal found 3/28

$553

Sat 8/233:55 pmDCA - SNN

2 stops14h 15mDelta

Deal found 3/27

$553

Sat 8/2312:59 pmDCA - SNN

3 stops18h 41mMultiple Airlines

Deal found 3/26

$621

Thu 9/115:59 pmDCA - SNN

2 stops12h 21mAmerican Airlines

Deal found 3/27

$634

Thu 9/115:00 pmDCA - SNN

1 stop13h 10mKLM

Deal found 3/27

$637

Thu 5/15:40 pmIAD - SNN

1 stop17h 30mBritish Airways

Deal found 3/27

$1,413

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Shannon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Mon 5/5

6:50 pm-10:05 pm

2 stops22h 15m

Shannon

Wed 5/21

6:05 am-5:40 pm

2 stops16h 35m

$636

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 8/19

11:00 am-11:10 am

1 stop19h 10m

Shannon

Tue 8/26

1:05 pm-11:30 pm

1 stop15h 25m

$644

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 8/19

8:30 pm-11:10 am

1 stop9h 40m

Shannon

Fri 8/29

1:05 pm-7:37 pm

1 stop11h 32m

$644

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 5/5

5:00 pm-11:20 am

2 stops13h 20m

Shannon

Wed 5/21

7:40 am-7:59 pm

2 stops17h 19m

$655

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 8/22

7:00 pm-10:15 am

1 stop10h 15m

Shannon

Fri 8/29

12:30 pm-5:23 pm

1 stop9h 53m

$704

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 7/16

8:30 am-7:30 am

1 stop18h 00m

Shannon

Wed 7/23

9:30 am-4:10 pm

1 stop11h 40m

$704

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Sun 5/11

5:27 pm-4:10 pm

2 stops17h 43m

Shannon

Sun 5/18

7:40 am-10:05 pm

2 stops19h 25m

$725

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 7/17

7:05 pm-11:10 am

1 stop11h 05m

Shannon

Thu 7/31

1:05 pm-7:37 pm

1 stop11h 32m

$725

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 8/5

12:35 pm-11:10 am

2 stops17h 35m

Shannon

Tue 8/19

1:05 pm-7:37 pm

1 stop11h 32m

$732

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 8/2

11:00 am-11:10 am

1 stop19h 10m

Shannon

Sat 8/9

1:05 pm-11:30 pm

1 stop15h 25m

$795

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 33 results

Compare providers for flights from Washington, D.C. to Shannon

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Shannon in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C.-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Shannon, Clare flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-Shannon, Clare flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Washington, D.C. 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, D.C. to Shannon

How far ahead should I book a flight from Washington, D.C. to Shannon, Clare?

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Shannon, Clare, you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest time of day to fly from WAS to SNN?

It’s optimal to fly from Washington, D.C. to Shannon, Clare in the morning. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.

Rainfall in Shannon by month

In terms of precipitation, rainfall in Shannon, Clare ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon, Clare when rainfall is around 2.3 in.

Temperature in Shannon by month

If weather is an important factor for your trip to Shannon, Clare, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Shannon

Read reviews from past customers who have flown Delta, KLM and Air France from Washington, D.C. to Shannon. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,897 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,424 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,603 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly into for flights to Shannon from Washington, D.C.?
If you book a flight to Shannon from Washington, D.C., you will be flying to Shannon, which is the city’s only airport. Shannon (SNN) is located 2.1 mi from the center of Shannon. There are 0 flights from Washington, D.C. to Shannon per day from 3 different airlines.
What are the cheapest airlines flying from Washington, D.C. to Shannon, Clare round-trip?
According to our current data, Delta ($644), American Airlines ($655), and United Airlines ($704) offers the cheapest pricing from Washington, D.C. to Shannon, Clare. You may be able to fly from Washington, D.C. to Shannon, Clare for 34% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Washington, D.C. to Shannon, Clare one-way?
The cheapest airlines for a one-way flight from Washington, D.C. to Shannon, Clare are United Airlines ($506), Aer Lingus ($530), and Delta ($553).
What are the most popular routes from Washington, D.C. to Shannon, Clare?
Most travelers choose Washington, D.C. Dulles Intl - Shannon, Washington, D.C. Reagan-National - Shannon or Baltimore/Washington - Shannon when deciding on the best route from Washington, D.C. to Shannon, Clare.
Can I find deals for flights from Washington, D.C. to Shannon that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Shannon?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Shannon.
Can I find deals for business class flights from Washington, D.C. to Shannon?
Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Shannon, Clare?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Shannon, Clare (average of $533). Flying from Washington, D.C. to Shannon, Clare in June is currently the most expensive (average of $1,007). 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

Ennis

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Top 3 airlines flying from Washington, D.C. to Shannon

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$663	Average$953	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$703	Average$1,036	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$723	Average$1,168	FlexibilityNo cancel fee	On-time70%

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$281+ Cheap flights from Washington, D.C. (WAS) 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Shannon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington, D.C. to Shannon

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Find flight deals from Washington, D.C. to Shannon

Cheapest flights from Washington, D.C. to ShannonExplore the most affordable flight options available from Washington, D.C. to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Explore the most affordable flight options available from Washington, D.C. to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

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Use the filters below to find and compare flights from Washington, D.C. to Shannon that are best for you.

Compare providers for flights from Washington, D.C. to Shannon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Shannon in March.

Best time to book a flight from Washington, D.C. to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Shannon

How far ahead should I book a flight from Washington, D.C. to Shannon, Clare?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Shannon. Price data was last updated on March 21, 2025.

What is the cheapest time of day to fly from WAS to SNN?

Find hourly flight availability from Washington, D.C. 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 March 28, 2025.

Rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average rainfall totals by month.

Temperature in Shannon by month

Plan your trip to Shannon by taking into account the average temperature totals by month.

Reviews of airlines servicing Shannon

Read reviews from past customers who have flown Delta, KLM and Air France from Washington, D.C. to Shannon. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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, D.C.?

What are the cheapest airlines flying from Washington, D.C. to Shannon, Clare round-trip?

What are the cheapest airlines to fly from Washington, D.C. to Shannon, Clare one-way?

What are the most popular routes from Washington, D.C. to Shannon, Clare?

Can I find deals for flights from Washington, D.C. to Shannon that include hotel bookings?

How can I find direct flights from Washington, D.C. to Shannon?

Can I find deals for business class flights from Washington, D.C. to Shannon?

What is the cheapest month to book a flight from Washington, D.C. to Shannon, Clare?

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Alternative routes for Washington, D.C. to Shannon

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Top 3 airlines flying from Washington, D.C. to Shannon

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Cheapest flights from Washington, D.C. to Shannon
Explore the most affordable flight options available from Washington, D.C. to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.