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

According to our current data, American Airlines ($651), Aer Lingus ($770), and United Airlines ($801) 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 British Airways ($657), American Airlines ($669), and United Airlines ($688).

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 $1,501 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 $1,000 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 36% 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.

$407+ Flights from Washington, D.C. to Shannon

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$651 (American Airlines)
One-way from	$407 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$784

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. 17% potential increase in price ($217 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 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 February 20, 2025.

Tue 2/257:00 amBWI - SNN

3 stops33h 30mMultiple Airlines

Mon 3/37:55 pmSNN - BWI

2 stops26h 05mMultiple Airlines

Deal found 2/19

$634

Tue 4/14:12 pmDCA - SNN

2 stops14h 08mAmerican Airlines

Tue 4/87:40 amSNN - DCA

2 stops17h 19mAmerican Airlines

Deal found 2/18

$651

Tue 4/18:30 pmIAD - SNN

2 stops18h 50mMultiple Airlines

Tue 4/84:55 pmSNN - IAD

2 stops31h 25mMultiple Airlines

Deal found 2/18

$730

Tue 4/110:40 pmIAD - SNN

1 stop16h 55mAer Lingus

Tue 4/89:15 pmSNN - IAD

2 stops23h 35mAer Lingus

Deal found 2/18

$745

Tue 4/19:20 pmBWI - SNN

1 stop13h 50mAer Lingus

Tue 4/89:15 pmSNN - BWI

1 stop27h 20mAer Lingus

Deal found 2/18

$770

Sun 4/610:25 pmIAD - SNN

1 stop30h 50mUnited Airlines

Tue 4/2212:30 pmSNN - IAD

1 stop13h 28mUnited Airlines

Deal found 2/20

$801

Wed 5/287:05 pmIAD - SNN

1 stop11h 05mKLM

Wed 6/111:05 pmSNN - IAD

1 stop10h 23mKLM

Deal found 2/19

$803

Sun 4/67:18 pmDCA - SNN

1 stop9h 57mUnited Airlines

Tue 4/2212:30 pmSNN - DCA

1 stop10h 25mUnited Airlines

Deal found 2/20

$811

Wed 3/124:10 pmDCA - SNN

2 stops20h 35mAir Canada

Wed 3/197:45 amSNN - DCA

2 stops30h 44mAir Canada

Deal found 2/20

$836

Wed 3/1210:55 pmIAD - SNN

1 stop16h 30mAmerican Airlines

Wed 3/197:45 amSNN - IAD

1 stop12h 50mAmerican Airlines

Deal found 2/20

$836

Tue 4/110:25 amBWI - SNN

2 stops14h 00mAmerican Airlines

Tue 4/87:40 amSNN - BWI

1 stop16h 55mAmerican Airlines

Deal found 2/18

$848

Mon 9/156:17 amBWI - SNN

1 stop20h 13mUnited Airlines

Mon 9/229:30 amSNN - BWI

1 stop16h 27mUnited Airlines

Deal found 2/19

$871

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 February 20, 2025.

Tue 4/14:12 pmDCA - SNN

2 stops14h 08mAmerican Airlines

Tue 4/87:40 amSNN - DCA

2 stops17h 19mAmerican Airlines

Deal found 2/18

$651

Tue 4/16:50 pmBWI - SNN

2 stops24h 20mMultiple Airlines

Tue 4/84:05 pmSNN - BWI

2 stops30h 35mMultiple Airlines

Deal found 2/18

$693

Tue 4/19:20 pmBWI - SNN

1 stop13h 50mAer Lingus

Tue 4/89:15 pmSNN - BWI

1 stop27h 20mAer Lingus

Deal found 2/18

$770

Sun 4/610:25 pmIAD - SNN

1 stop30h 50mUnited Airlines

Tue 4/2212:30 pmSNN - IAD

1 stop13h 28mUnited Airlines

Deal found 2/20

$801

Sun 5/257:05 pmIAD - SNN

1 stop11h 05mKLM

Wed 6/41:05 pmSNN - IAD

1 stop10h 17mKLM

Deal found 2/20

$803

Wed 3/124:10 pmDCA - SNN

2 stops20h 35mAir Canada

Wed 3/197:45 amSNN - DCA

2 stops30h 44mAir Canada

Deal found 2/20

$836

Wed 3/129:30 pmBWI - SNN

1 stop17h 55mBritish Airways

Wed 3/195:30 pmSNN - BWI

1 stop30h 15mBritish Airways

Deal found 2/20

$925

Tue 7/297:05 pmIAD - SNN

1 stop11h 05mDelta

Thu 8/71:05 pmSNN - IAD

1 stop10h 23mDelta

Deal found 2/20

$946

Fri 7/181:45 pmDCA - SNN

2 stops16h 25mAir France

Sun 7/271:05 pmSNN - DCA

1 stop14h 25mAir France

Deal found 2/19

$1,096

Mon 3/311:52 pmIAD - SNN

2 stops16h 28mAmerican Airlines

Tue 4/89:15 pmSNN - IAD

2 stops24h 07mAmerican Airlines

Deal found 2/20

$657

Wed 3/1210:15 pmIAD - SNN

2 stops14h 30mAer Lingus

Wed 3/198:05 pmSNN - IAD

2 stops24h 35mAer Lingus

Deal found 2/20

$802

Sun 5/257:05 pmIAD - SNN

1 stop11h 05mMultiple Airlines

Wed 6/41:05 pmSNN - IAD

2 stops14h 53mMultiple Airlines

Deal found 2/20

$808

Last-minute flights from Washington, D.C. to Shannon
Discover last-minute flight deals from Washington, D.C. to Shannon. Data last updated February 20, 2025 and is based on user searches.

Sun 2/2310:30 pmIAD - SNN

2 stops15h 45mMultiple Airlines

Fri 2/287:45 amSNN - IAD

3 stops31h 01mMultiple Airlines

Deal found 2/19

$1,097

Sun 2/236:00 pmIAD - SNN

1 stop17h 45mBritish Airways

Fri 2/287:45 amSNN - IAD

1 stop12h 50mBritish Airways

Deal found 2/19

$1,401

Tue 2/257:00 amBWI - SNN

3 stops33h 30mMultiple Airlines

Mon 3/37:55 pmSNN - BWI

2 stops26h 05mMultiple Airlines

Deal found 2/19

$634

Tue 2/255:10 pmIAD - SNN

2 stops18h 35mAer Lingus

Mon 3/35:30 pmSNN - IAD

2 stops31h 15mAer Lingus

Deal found 2/19

$757

Tue 2/2512:29 pmDCA - SNN

1 stop12h 46mMultiple Airlines

Mon 3/32:45 pmSNN - DCA

1 stop11h 14mMultiple Airlines

Deal found 2/19

$1,225

Tue 2/255:15 pmDCA - SNN

2 stops13h 15mAmerican Airlines

Mon 3/32:45 pmSNN - DCA

1 stop12h 37mAmerican Airlines

Deal found 2/19

$1,534

Mon 3/38:30 pmBWI - SNN

1 stop15h 15mAer Lingus

Mon 3/107:45 amSNN - BWI

1 stop16h 00mAer Lingus

Deal found 2/19

$918

Wed 3/124:10 pmDCA - SNN

2 stops20h 35mAir Canada

Wed 3/197:45 amSNN - DCA

2 stops30h 44mAir Canada

Deal found 2/20

$836

Wed 3/1210:55 pmIAD - SNN

1 stop16h 30mAmerican Airlines

Wed 3/197:45 amSNN - IAD

1 stop12h 50mAmerican Airlines

Deal found 2/20

$836

Wed 3/129:30 pmBWI - SNN

1 stop17h 55mBritish Airways

Wed 3/195:30 pmSNN - BWI

1 stop30h 15mBritish Airways

Deal found 2/20

$925

Wed 3/121:59 pmBWI - SNN

2 stops12h 16mAmerican Airlines

Wed 3/192:00 pmSNN - BWI

2 stops13h 58mAmerican Airlines

Deal found 2/20

$933

Thu 3/133:55 pmIAD - SNN

2 stops15h 35mAir Canada

Thu 3/207:45 amSNN - IAD

2 stops35h 28mAir Canada

Deal found 2/20

$886

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 February 20, 2025.

Wed 5/284:20 pmIAD - SNN

2 stops17h 25mMultiple Airlines

Deal found 2/20

$407

Wed 5/287:25 pmIAD - SNN

1 stop20h 10mBritish Airways

Deal found 2/20

$657

Wed 5/287:25 pmIAD - SNN

1 stop15h 45mAmerican Airlines

Deal found 2/20

$669

Wed 5/286:48 amIAD - SNN

1 stop19h 42mUnited Airlines

Deal found 2/20

$688

Thu 5/87:18 pmDCA - SNN

1 stop9h 57mUnited Airlines

Deal found 2/20

$5,963

Thu 5/87:02 pmBWI - SNN

2 stops34h 13mUnited Airlines

Deal found 2/20

$6,089

Find flights from Washington, D.C. to Shannon within your budget

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 4/1

4:12 pm-11:20 am

2 stops14h 08m

Shannon

Tue 4/8

7:40 am-7:59 pm

2 stops17h 19m

$651

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 4/1

6:50 pm-12:10 am

2 stops24h 20m

Shannon

Tue 4/8

4:05 pm-5:40 pm

2 stops30h 35m

$693

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 4/1

8:30 pm-8:20 pm

2 stops18h 50m

Shannon

Tue 4/8

4:55 pm-7:20 pm

2 stops31h 25m

$730

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 4/1

10:40 pm-8:35 pm

1 stop16h 55m

Shannon

Tue 4/8

9:15 pm-3:50 pm

2 stops23h 35m

$745

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 4/1

9:20 pm-4:10 pm

1 stop13h 50m

Shannon

Tue 4/8

9:15 pm-7:35 pm

1 stop27h 20m

$770

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 4/6

10:25 pm-10:15 am

1 stop30h 50m

Shannon

Tue 4/22

12:30 pm-8:58 pm

1 stop13h 28m

$801

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 5/28

7:05 pm-11:10 am

1 stop11h 05m

Shannon

Wed 6/11

1:05 pm-6:28 pm

1 stop10h 23m

$803

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 4/6

7:18 pm-10:15 am

1 stop9h 57m

Shannon

Tue 4/22

12:30 pm-5:55 pm

1 stop10h 25m

$811

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 3/12

4:10 pm-4:45 pm

2 stops20h 35m

Shannon

Wed 3/19

7:45 am-10:29 am

2 stops30h 44m

$836

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 3/12

10:55 pm-7:25 pm

1 stop16h 30m

Shannon

Wed 3/19

7:45 am-4:35 pm

1 stop12h 50m

$836

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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 February.

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

*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.

Travel insights for flights from Washington, D.C. to Shannon

Get recent, data-driven insights about flights from Washington, D.C. to Shannon including ideal travel times, pricing trends, and more.

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

8,220 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

8,220 reviews

Delta

8.0

Very good

8,220 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

1,333 reviews

Delta

8.0

Very good

8,220 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

1,449 reviews

Delta

8.0

Very good

8,220 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

8,766 reviews

Delta

8.0

Very good

8,220 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

8,220 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, American Airlines ($651), Aer Lingus ($770), and United Airlines ($801) 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 British Airways ($657), American Airlines ($669), and United Airlines ($688).
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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Shannon

Dulles Intl to Dublin flights

Reagan-National to Dublin flights

Dulles Intl to Shannon flights

Reagan-National to Shannon flights

Dulles Intl to Cork flights

Reagan-National to Cork flights

Dulles Intl to Knock flights

Dulles Intl to Milltown (Kerry) flights

Reagan-National to Donegal flights

Dulles Intl to Donegal flights

Other flights to Shannon

Boston to Shannon flights

John F Kennedy Intl to Shannon flights

O'Hare Intl to Shannon flights

Newark to Shannon flights

Shannon, Clare to Edinburgh flights

Shannon, Clare to London Heathrow Airport flights

Shannon, Clare to Boston flights

Shannon, Clare to New York John F Kennedy Intl Airport flights

Shannon, Clare to Newark Airport flights

Shannon, Clare to Boston flights

Shannon, Clare to Newark Airport flights

Shannon, Clare to London Heathrow Airport flights

Shannon, Clare to New York John F Kennedy Intl Airport flights

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

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$663	Average$922	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$723	Average$1,089	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$740	Average$1,045	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$407+ 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 5/28. 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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 February 20, 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 February 20, 2025.

Find flights from Washington, D.C. to Shannon within your budget

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 February.

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.

Travel insights for flights from Washington, D.C. to Shannon

Get recent, data-driven insights about flights from Washington, D.C. to Shannon including ideal travel times, pricing trends, and more.

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 February 14, 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 February 20, 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?

Traveling to a place near Washington, D.C.?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Shannon

See prices for flight routes from nearby airports that may be better suited for you.

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

100% Free

Book with Flexibility

Travel Smart

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 February 20, 2025.