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 $625. Other airlines that can offer you cheap pricing are Delta, from $810, and American Airlines, from $816.

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%.

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 $959 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 32% 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Reagan-National Airport-Shannon, Clare flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

$625+ Flights from Washington, D.C. Reagan-National Airport to Shannon - Compare & Save Big

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Cheap flight deals from Reagan-National to Shannon

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$625
Popular in	June
Cheapest in	February
Average price	$907

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 ($197 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($29 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 abril 25, 2025.

mar. 8/52:00 pmDCA - SNN

1 stop12h 30mUnited Airlines

mar. 8/199:30 amSNN - DCA

1 stop11h 21mUnited Airlines

Deal found 4/24

$625

mié. 8/135:00 pmDCA - SNN

1 stop13h 10mDelta

mar. 8/261:05 pmSNN - DCA

1 stop10h 07mDelta

Deal found 4/23

$636

jue. 9/411:00 amDCA - SNN

1 stop19h 10mMultiple Airlines

vie. 9/191:05 pmSNN - DCA

1 stop14h 14mMultiple Airlines

Deal found 4/25

$685

mar. 7/13:59 pmDCA - SNN

2 stops14h 11mAir France

mar. 7/151:05 pmSNN - DCA

2 stops14h 47mAir France

Deal found 4/24

$710

lun. 8/251:45 pmDCA - SNN

2 stops16h 25mKLM

dom. 8/311:05 pmSNN - DCA

1 stop15h 25mKLM

Deal found 4/24

$809

dom. 5/253:30 pmDCA - SNN

2 stops14h 50mAmerican Airlines

dom. 6/17:40 amSNN - DCA

2 stops17h 19mAmerican Airlines

Deal found 4/25

$816

mié. 8/134:30 pmDCA - SNN

2 stops18h 40mAir Canada

lun. 8/259:15 pmSNN - DCA

2 stops42h 03mAir Canada

Deal found 4/23

$823

jue. 9/45:00 pmDCA - SNN

2 stops13h 20mBritish Airways

vie. 9/122:40 pmSNN - DCA

1 stop13h 20mBritish Airways

Deal found 4/25

$934

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 abril 25, 2025.

mar. 8/52:00 pmDCA - SNN

1 stop12h 30mUnited Airlines

mar. 8/199:30 amSNN - DCA

1 stop11h 21mUnited Airlines

Deal found 4/24

$625

jue. 9/411:00 amDCA - SNN

1 stop19h 10mMultiple Airlines

vie. 9/191:05 pmSNN - DCA

1 stop14h 14mMultiple Airlines

Deal found 4/25

$685

jue. 5/228:45 amDCA - SNN

1 stop21h 25mDelta

mar. 5/271:05 pmSNN - DCA

1 stop14h 40mDelta

Deal found 4/25

$810

dom. 5/253:30 pmDCA - SNN

2 stops14h 50mAmerican Airlines

dom. 6/17:40 amSNN - DCA

2 stops17h 19mAmerican Airlines

Deal found 4/25

$816

lun. 6/912:10 pmDCA - SNN

2 stops18h 00mKLM

lun. 6/161:05 pmSNN - DCA

2 stops15h 36mKLM

Deal found 4/25

$827

mar. 5/2011:00 amDCA - SNN

2 stops19h 20mAir Canada

jue. 5/297:40 amSNN - DCA

2 stops17h 03mAir Canada

Deal found 4/25

$856

jue. 9/45:00 pmDCA - SNN

2 stops13h 20mBritish Airways

vie. 9/122:40 pmSNN - DCA

1 stop13h 20mBritish Airways

Deal found 4/25

$934

Last-minute flights from Reagan-National to Shannon
Discover last-minute flight deals from Reagan-National to Shannon. Data last updated abril 25, 2025 and is based on user searches.

lun. 5/55:00 pmDCA - SNN

2 stops13h 20mAmerican Airlines

dom. 5/187:40 amSNN - DCA

2 stops17h 19mAmerican Airlines

Deal found 4/25

$815

lun. 5/53:20 pmDCA - SNN

1 stop13h 55mMultiple Airlines

dom. 5/187:40 amSNN - DCA

2 stops31h 39mMultiple Airlines

Deal found 4/25

$908

lun. 5/57:18 pmDCA - SNN

1 stop9h 57mUnited Airlines

dom. 5/1812:30 pmSNN - DCA

1 stop12h 11mUnited Airlines

Deal found 4/25

$950

jue. 5/812:35 pmDCA - SNN

2 stops17h 45mBritish Airways

jue. 5/159:15 pmSNN - DCA

2 stops30h 00mBritish Airways

Deal found 4/24

$9,487

mar. 5/2011:00 amDCA - SNN

2 stops19h 20mAir Canada

jue. 5/297:40 amSNN - DCA

2 stops17h 03mAir Canada

Deal found 4/25

$856

jue. 5/228:45 amDCA - SNN

1 stop21h 25mDelta

mar. 5/271:05 pmSNN - DCA

1 stop14h 40mDelta

Deal found 4/25

$810

dom. 5/257:25 amDCA - SNN

1 stop19h 05mUnited Airlines

dom. 6/19:30 amSNN - DCA

1 stop30h 26mUnited Airlines

Deal found 4/25

$787

dom. 5/253:30 pmDCA - SNN

2 stops14h 50mAmerican Airlines

dom. 6/17:40 amSNN - DCA

2 stops17h 19mAmerican Airlines

Deal found 4/25

$816

dom. 5/2512:10 pmDCA - SNN

2 stops18h 00mKLM

dom. 6/11:05 pmSNN - DCA

1 stop14h 40mKLM

Deal found 4/25

$859

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 abril 25, 2025.

mié. 6/254:56 pmDCA - SNN

1 stop13h 14mKLM

Deal found 4/25

$638

jue. 6/263:40 pmDCA - SNN

2 stops14h 30mDelta

Deal found 4/24

$708

vie. 5/238:40 pmDCA - SNN

2 stops14h 10mAir Canada

Deal found 4/25

$737

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

mar. 7/1

1:00 pm-7:30 am

1 stop13h 30m

Shannon

jue. 7/17

12:30 pm-7:30 pm

1 stop12h 00m

$645

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

mar. 7/1

7:59 am-11:10 am

2 stops22h 11m

Shannon

jue. 7/17

1:05 pm-8:35 am

2 stops24h 30m

$650

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

mar. 7/1

3:59 pm-11:10 am

2 stops14h 11m

Shannon

mar. 7/15

1:05 pm-10:52 pm

2 stops14h 47m

$710

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

dom. 5/25

3:30 pm-11:20 am

2 stops14h 50m

Shannon

dom. 6/1

7:40 am-7:59 pm

2 stops17h 19m

$816

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

lun. 6/9

4:56 pm-11:10 am

1 stop13h 14m

Shannon

lun. 6/16

1:05 pm-11:33 pm

1 stop15h 28m

$827

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

mié. 7/2

12:55 pm-4:10 pm

2 stops22h 15m

Shannon

jue. 7/17

9:15 pm-9:48 pm

2 stops29h 33m

$843

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

lun. 6/9

6:50 pm-12:10 am

2 stops24h 20m

Shannon

lun. 6/16

3:35 pm-9:53 pm

3 stops35h 18m

$852

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

dom. 6/8

3:59 pm-11:20 am

2 stops14h 21m

Shannon

sáb. 6/14

7:40 am-8:59 pm

2 stops18h 19m

$1,541

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

mié. 6/25

4:56 pm-11:10 am

1 stop13h 14m

$638

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

jue. 6/26

3:40 pm-11:10 am

2 stops14h 30m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 11 results

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*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	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. Reagan-National Airport-Shannon, Clare flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Reagan-National Airport-Shannon, Clare flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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, KLM and United 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

7,920 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

7,920 reviews

Delta

8.0

Very good

7,920 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

1,334 reviews

Delta

8.0

Very good

7,920 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

8,685 reviews

Delta

8.0

Very good

7,920 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

7,920 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

9,210 reviews

Delta

8.0

Very good

7,920 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 $625. Other airlines that can offer you cheap pricing are Delta, from $810, and American Airlines, from $816.
What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Shannon, Clare one-way?
The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Shannon, Clare are KLM ($638), Delta ($708), and Air Canada ($737).
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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$625+ Cheap flights from Reagan-National (DCA) to Shannon (SNN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/5. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Shannon

Most accurate provider

Most trusted provider

Round-trip from

Popular in

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 abril 25, 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 abril 25, 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, KLM and United 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?

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

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

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

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 abril 25, 2025.