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

Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Shannon, Clare round-trip from $644. Other airlines that can offer you cheap pricing are Delta, from $729, and American Airlines, from $759.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Shannon, Clare (average of $533). Flying from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Shannon, Clare?

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

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

Sunday is generally a great day to depart. Flying on this day could help you save up to 52%.

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

To save on the cost of your flight from Washington, D.C. Reagan-National Airport to Shannon, Clare, book at least 48 days before your planned departure. Booking around this time can save you about 1,128% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $932 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,468.

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

February is one of the best times of the year to fly to Shannon, Clare from Washington, D.C. Reagan-National Airport. Prices for February average $971 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

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

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Shannon, Clare in the morning. Doing so could potentially save you 19% on the flight price compared to flying at noon, which is usually more expensive.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-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. Reagan-National Airport-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Shannon, Clare flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-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. Reagan-National Airport-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. Reagan-National?

Most people fly into Shannon (SNN) if they book a flight to Shannon from Washington, D.C. Reagan-National. On average, Shannon has 0 inbound flights from Washington, D.C. Reagan-National per day from 2 airlines. Shannon is conveniently located just 2.1 mi from Shannon’s city center.

Can I find deals for flights from Reagan-National to Shannon that include hotel bookings?

Yes. In addition to deals on Reagan-National to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Shannon?

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

Can I find deals for business class flights from Reagan-National to Shannon?

Yes. Cheapflights offers flight deals from Reagan-National 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.

$592+ Flights from Washington, D.C. Reagan-National Airport to Shannon

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Cheap flight deals from Reagan-National to Shannon

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$644
Popular in	June
Cheapest in	February
Average price	$899

Provider with most accurate pricing for Washington, D.C. Reagan-National-Shannon flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Shannon flights.

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From Washington, D.C. Reagan-National to Shannon

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Highest demand for flights based on searches. 17% potential increase in price ($209 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Reagan-National to Shannon

Cheapest flights from Reagan-National to Shannon
Explore the most affordable flight options available from Reagan-National to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

Sun 4/131:12 pmDCA - SNN

1 stop16h 03mAir Canada

Tue 4/2912:30 pmSNN - DCA

1 stop10h 25mAir Canada

Deal found 4/4

$631

Tue 8/57:00 pmDCA - SNN

1 stop10h 15mUnited Airlines

Tue 8/199:30 amSNN - DCA

1 stop12h 31mUnited Airlines

Deal found 4/2

$644

Wed 11/193:59 pmDCA - SNN

2 stops14h 31mAmerican Airlines

Fri 11/287:45 amSNN - DCA

2 stops17h 36mAmerican Airlines

Deal found 4/4

$673

Wed 8/611:00 amDCA - SNN

1 stop19h 10mMultiple Airlines

Mon 8/181:05 pmSNN - DCA

1 stop15h 25mMultiple Airlines

Deal found 4/3

$725

Wed 8/61:45 pmDCA - SNN

2 stops16h 25mDelta

Mon 8/181:05 pmSNN - DCA

2 stops14h 47mDelta

Deal found 4/3

$729

Sun 4/137:18 pmDCA - SNN

1 stop9h 57mAustrian Airlines

Tue 4/297:40 amSNN - DCA

2 stops18h 28mAustrian Airlines

Deal found 4/4

$829

Wed 5/1412:35 pmDCA - SNN

2 stops17h 45mBritish Airways

Wed 5/212:40 pmSNN - DCA

1 stop12h 56mBritish Airways

Deal found 4/4

$857

Best flights from Reagan-National to Shannon
Discover carefully curated flight deals from Reagan-National to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2025.

Tue 8/57:00 pmDCA - SNN

1 stop10h 15mUnited Airlines

Tue 8/199:30 amSNN - DCA

1 stop12h 31mUnited Airlines

Deal found 4/2

$644

Wed 8/611:00 amDCA - SNN

1 stop19h 10mMultiple Airlines

Mon 8/181:05 pmSNN - DCA

1 stop15h 25mMultiple Airlines

Deal found 4/3

$725

Wed 8/61:45 pmDCA - SNN

2 stops16h 25mDelta

Mon 8/181:05 pmSNN - DCA

2 stops14h 47mDelta

Deal found 4/3

$729

Mon 4/285:09 pmDCA - SNN

2 stops13h 11mAmerican Airlines

Tue 5/137:40 amSNN - DCA

2 stops17h 19mAmerican Airlines

Deal found 4/3

$759

Sat 8/238:40 pmDCA - SNN

2 stops33h 40mAir Canada

Mon 9/19:15 pmSNN - DCA

2 stops28h 51mAir Canada

Deal found 4/3

$846

Wed 5/1412:35 pmDCA - SNN

2 stops17h 45mBritish Airways

Wed 5/212:40 pmSNN - DCA

1 stop12h 56mBritish Airways

Deal found 4/4

$857

Last-minute flights from Reagan-National to Shannon
Discover last-minute flight deals from Reagan-National to Shannon. Data last updated April 4, 2025 and is based on user searches.

Sun 4/131:12 pmDCA - SNN

1 stop16h 03mAir Canada

Tue 4/2912:30 pmSNN - DCA

1 stop10h 25mAir Canada

Deal found 4/4

$631

Sun 4/134:10 pmDCA - SNN

2 stops24h 40mMultiple Airlines

Tue 4/298:00 amSNN - DCA

3 stops43h 28mMultiple Airlines

Deal found 4/4

$1,149

Sun 4/137:18 pmDCA - SNN

1 stop9h 57mAustrian Airlines

Tue 4/297:40 amSNN - DCA

2 stops18h 28mAustrian Airlines

Deal found 4/4

$829

Mon 4/143:54 pmDCA - SNN

2 stops14h 26mBritish Airways

Tue 4/297:40 amSNN - DCA

2 stops16h 24mBritish Airways

Deal found 4/3

$961

Mon 4/145:09 pmDCA - SNN

2 stops13h 11mAmerican Airlines

Sat 4/197:40 amSNN - DCA

2 stops17h 19mAmerican Airlines

Deal found 4/3

$1,007

Mon 4/147:18 pmDCA - SNN

1 stop9h 57mUnited Airlines

Sat 4/1912:30 pmSNN - DCA

1 stop10h 25mUnited Airlines

Deal found 4/3

$1,482

Mon 4/285:09 pmDCA - SNN

2 stops13h 11mAmerican Airlines

Tue 5/137:40 amSNN - DCA

2 stops17h 19mAmerican Airlines

Deal found 4/3

$759

Mon 4/289:55 amDCA - SNN

1 stop19h 20mMultiple Airlines

Tue 5/139:15 pmSNN - DCA

2 stops25h 48mMultiple Airlines

Deal found 4/3

$851

Sat 5/37:18 pmDCA - SNN

1 stop9h 57mUnited Airlines

Sat 5/1012:30 pmSNN - DCA

1 stop10h 25mUnited Airlines

Deal found 4/3

$764

Wed 5/1412:35 pmDCA - SNN

2 stops17h 45mBritish Airways

Wed 5/212:40 pmSNN - DCA

1 stop12h 56mBritish Airways

Deal found 4/4

$857

One-way flights from Reagan-National to Shannon
Search for one-way flight options from Reagan-National to Shannon. Find affordable one-way fares based on user searches. Data last updated April 4, 2025.

Thu 6/262:54 pmDCA - SNN

2 stops15h 26mBritish Airways

Deal found 4/4

$2,111

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 8/5

7:00 pm-10:15 am

1 stop10h 15m

Shannon

Tue 8/19

9:30 am-5:01 pm

1 stop12h 31m

$644

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 8/6

11:00 am-11:10 am

1 stop19h 10m

Shannon

Mon 8/18

1:05 pm-11:30 pm

1 stop15h 25m

$725

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 8/6

1:45 pm-11:10 am

2 stops16h 25m

Shannon

Mon 8/18

1:05 pm-10:52 pm

2 stops14h 47m

$729

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 4/28

5:09 pm-11:20 am

2 stops13h 11m

Shannon

Tue 5/13

7:40 am-7:59 pm

2 stops17h 19m

$759

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 8/23

8:40 pm-11:20 am

2 stops33h 40m

Shannon

Mon 9/1

9:15 pm-9:06 pm

2 stops28h 51m

$846

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 5/14

12:35 pm-11:20 am

2 stops17h 45m

Shannon

Wed 5/21

2:40 pm-10:36 pm

1 stop12h 56m

$857

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 7/16

8:40 pm-4:10 pm

2 stops14h 30m

$592

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Thu 6/26

2:54 pm-11:20 am

2 stops15h 26m

$2,111

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Compare providers for flights from Reagan-National to Shannon

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Shannon in April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	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. Reagan-National Airport-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. Reagan-National Airport-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Shannon, Clare flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-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. Reagan-National Airport-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 Reagan-National to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Reagan-National 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. Reagan-National Airport to Shannon

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

Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Washington, D.C. to Shannon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,900 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

7,900 reviews

Delta

8.0

Very good

7,900 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

8,618 reviews

Delta

8.0

Very good

7,900 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

7,900 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 Canada

7.0

Good

9,035 reviews

Delta

8.0

Very good

7,900 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.

British Airways

6.6

Okay

6,718 reviews

Delta

8.0

Very good

7,900 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. Reagan-National?
Most people fly into Shannon (SNN) if they book a flight to Shannon from Washington, D.C. Reagan-National. On average, Shannon has 0 inbound flights from Washington, D.C. Reagan-National per day from 2 airlines. Shannon is conveniently located just 2.1 mi from Shannon’s city center.
What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Shannon, Clare round-trip?
Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Shannon, Clare round-trip from $644. Other airlines that can offer you cheap pricing are Delta, from $729, and American Airlines, from $759.
Can I find deals for flights from Reagan-National to Shannon that include hotel bookings?
Yes. In addition to deals on Reagan-National to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Shannon?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Shannon.
Can I find deals for business class flights from Reagan-National to Shannon?
Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Shannon, Clare?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Shannon, Clare (average of $533). Flying from Washington, D.C. Reagan-National Airport 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

Top 2 airlines flying from Reagan-National to Shannon

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$701	Average$942	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$822	Average$1,072	FlexibilityNo cancel fee	On-time69%

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$592+ Cheap flights from Reagan-National (DCA) 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Shannon with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Reagan-National to Shannon

Most accurate provider

Most trusted provider

Round-trip from

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Cheapest in

Average price

Find flight deals from Reagan-National to Shannon

Cheapest flights from Reagan-National to ShannonExplore the most affordable flight options available from Reagan-National to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

Explore the most affordable flight options available from Reagan-National to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Reagan-National 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 Reagan-National to Shannon in April.

Best time to book a flight from Reagan-National to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Reagan-National with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Shannon

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

Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Washington, D.C. to Shannon by reading reviews from past customers. 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 Reagan-National 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. Reagan-National?

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

Can I find deals for flights from Reagan-National to Shannon that include hotel bookings?

How can I find direct flights from Reagan-National to Shannon?

Can I find deals for business class flights from Reagan-National to Shannon?

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

Traveling to a place near Washington, D.C. Reagan-National Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Reagan-National to Shannon

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

Top 2 airlines flying from Reagan-National to Shannon

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Cheapest flights from Reagan-National to Shannon
Explore the most affordable flight options available from Reagan-National to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.