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

Flying on Delta is currently your cheapest option to Shannon, Clare, with prices starting at $478. Additional round-trip tickets that might be worth considering are offered by Air France and United Airlines, with the lowest prices starting at $486 and $487, respectively.

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

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $399. Aer Lingus flights start at $570 while deals on British Airways start at $636 one-way.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare (average of $533). Flying from Washington, D.C. Dulles Intl Airport to Shannon, Clare in June is currently the most expensive (average of $932). 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. Dulles Intl Airport to Shannon, Clare?

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

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.

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).

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

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

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport 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.

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

Our data shows that May tends to be the cheapest month to fly to Shannon, Clare from Washington, D.C. Dulles Intl Airport. Users have commonly found prices around $875 for the month, but tickets can be as low as $570. Due to multiple factors, prepare for potentially higher prices in June.

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

Shannon (SNN) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Shannon. You should not have trouble finding flights to Shannon from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Shannon airport from Washington, D.C. Dulles Intl. It is only a 2.1 mi journey from Shannon (SNN) to Shannon’s city center.

Can I find deals for flights from Dulles Intl to Shannon that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Shannon?

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

Can I find deals for business class flights from Dulles Intl to Shannon?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$279+ Flights from Washington, D.C. Dulles Intl Airport to Shannon

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Cheap flight deals from Dulles Intl to Shannon

Round-trip from	$478 (Delta)
One-way from	$279 (Kiwi.com)
Popular in	June
Cheapest in	May
Average price	$945

From Washington, D.C. Dulles Intl to Shannon

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One-way flight from Washington, D.C. Dulles Intl to Shannon

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($66 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Dulles Intl to Shannon

Cheapest flights from Dulles Intl to Shannon
Explore the most affordable flight options available from Dulles Intl to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Sun 8/312:12 pmIAD - SNN

1 stop17h 58mDelta

Tue 8/191:05 pmSNN - IAD

2 stops15h 16mDelta

Deal found 7/27

$478

Sun 8/33:37 pmIAD - SNN

2 stops14h 33mAir France

Tue 8/191:05 pmSNN - IAD

2 stops14h 50mAir France

Deal found 7/27

$486

Mon 8/113:39 pmIAD - SNN

1 stop10h 51mUnited Airlines

Thu 8/219:30 amSNN - IAD

1 stop13h 00mUnited Airlines

Deal found 7/28

$487

Mon 8/1112:39 pmIAD - SNN

2 stops17h 31mMultiple Airlines

Tue 8/191:05 pmSNN - IAD

2 stops14h 50mMultiple Airlines

Deal found 7/28

$492

Wed 9/105:50 pmIAD - SNN

1 stop17h 20mAmerican Airlines

Wed 9/179:15 pmSNN - IAD

1 stop23h 45mAmerican Airlines

Deal found 7/27

$524

Wed 8/68:33 pmIAD - SNN

1 stop9h 37mKLM

Thu 8/141:05 pmSNN - IAD

2 stops16h 16mKLM

Deal found 7/28

$580

Wed 9/109:45 amIAD - SNN

2 stops20h 35mAir Canada

Wed 9/177:40 amSNN - IAD

2 stops18h 25mAir Canada

Deal found 7/27

$682

Best flights from Dulles Intl to Shannon
Discover carefully curated flight deals from Dulles Intl to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sun 8/38:31 pmIAD - SNN

1 stop9h 39mDelta

Tue 8/191:05 pmSNN - IAD

1 stop27h 57mDelta

Deal found 7/27

$478

Sun 8/33:37 pmIAD - SNN

2 stops14h 33mAir France

Tue 8/191:05 pmSNN - IAD

2 stops14h 50mAir France

Deal found 7/27

$486

Mon 8/113:39 pmIAD - SNN

1 stop10h 51mUnited Airlines

Thu 8/219:30 amSNN - IAD

1 stop13h 00mUnited Airlines

Deal found 7/28

$487

Wed 9/105:50 pmIAD - SNN

1 stop17h 20mAmerican Airlines

Wed 9/179:15 pmSNN - IAD

1 stop23h 45mAmerican Airlines

Deal found 7/27

$524

Mon 8/48:31 pmIAD - SNN

1 stop9h 39mMultiple Airlines

Tue 8/121:05 pmSNN - IAD

2 stops14h 50mMultiple Airlines

Deal found 7/28

$531

Wed 8/68:33 pmIAD - SNN

1 stop9h 37mKLM

Thu 8/141:05 pmSNN - IAD

2 stops16h 16mKLM

Deal found 7/28

$580

Wed 9/109:45 amIAD - SNN

2 stops20h 35mAir Canada

Wed 9/177:40 amSNN - IAD

2 stops18h 25mAir Canada

Deal found 7/27

$682

Wed 10/85:50 pmIAD - SNN

1 stop12h 30mBritish Airways

Fri 10/177:40 amSNN - IAD

2 stops16h 15mBritish Airways

Deal found 7/26

$706

Last-minute flights from Dulles Intl to Shannon
Discover last-minute flight deals from Dulles Intl to Shannon. Data last updated July 29, 2025 and is based on user searches.

Sun 8/38:31 pmIAD - SNN

1 stop9h 39mDelta

Tue 8/191:05 pmSNN - IAD

1 stop27h 57mDelta

Deal found 7/27

$478

Sun 8/33:37 pmIAD - SNN

2 stops14h 33mAir France

Tue 8/191:05 pmSNN - IAD

2 stops14h 50mAir France

Deal found 7/27

$486

Mon 8/48:31 pmIAD - SNN

1 stop9h 39mMultiple Airlines

Tue 8/121:05 pmSNN - IAD

2 stops14h 50mMultiple Airlines

Deal found 7/28

$531

Mon 8/410:40 pmIAD - SNN

1 stop12h 30mAmerican Airlines

Tue 8/129:15 pmSNN - IAD

1 stop27h 55mAmerican Airlines

Deal found 7/29

$1,171

Mon 8/412:45 pmIAD - SNN

2 stops17h 25mMultiple Airlines

Tue 8/121:05 pmSNN - IAD

2 stops14h 50mMultiple Airlines

Deal found 7/28

$531

Wed 8/63:39 pmIAD - SNN

1 stop10h 51mUnited Airlines

Wed 8/209:30 amSNN - IAD

1 stop16h 25mUnited Airlines

Deal found 7/28

$487

Wed 8/68:33 pmIAD - SNN

1 stop9h 37mKLM

Thu 8/141:05 pmSNN - IAD

2 stops16h 16mKLM

Deal found 7/28

$580

Thu 8/78:19 pmIAD - SNN

2 stops19h 16mBritish Airways

Thu 8/219:15 pmSNN - IAD

2 stops23h 35mBritish Airways

Deal found 7/27

$802

Fri 8/810:40 pmIAD - SNN

1 stop12h 10mAer Lingus

Fri 8/157:40 amSNN - IAD

1 stop13h 15mAer Lingus

Deal found 7/29

$2,649

Mon 8/113:39 pmIAD - SNN

1 stop10h 51mUnited Airlines

Thu 8/219:30 amSNN - IAD

1 stop13h 00mUnited Airlines

Deal found 7/28

$487

Mon 8/115:20 pmIAD - SNN

2 stops13h 00mBritish Airways

Mon 8/189:15 pmSNN - IAD

2 stops26h 37mBritish Airways

Deal found 7/29

$693

Wed 8/209:35 amIAD - SNN

2 stops25h 35mAir Canada

Wed 8/279:15 pmSNN - IAD

2 stops28h 46mAir Canada

Deal found 7/28

$724

One-way flights from Dulles Intl to Shannon
Search for one-way flight options from Dulles Intl to Shannon. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Thu 10/27:14 pmIAD - SNN

2 stops41h 06mMultiple Airlines

Deal found 7/27

$279

Wed 8/68:30 amIAD - SNN

1 stop18h 00mUnited Airlines

Deal found 7/27

$399

Tue 9/2310:40 pmIAD - SNN

1 stop12h 30mAer Lingus

Deal found 7/28

$570

Thu 10/25:20 pmIAD - SNN

2 stops13h 00mBritish Airways

Deal found 7/27

$636

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 8/3

8:31 pm-11:10 am

1 stop9h 39m

Shannon

Tue 8/19

1:05 pm-12:02 pm

1 stop27h 57m

$478

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 8/3

3:37 pm-11:10 am

2 stops14h 33m

Shannon

Tue 8/19

1:05 pm-10:55 pm

2 stops14h 50m

$486

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 8/11

3:39 pm-7:30 am

1 stop10h 51m

Shannon

Thu 8/21

9:30 am-5:30 pm

1 stop13h 00m

$487

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 9/10

5:50 pm-4:10 pm

1 stop17h 20m

Shannon

Wed 9/17

9:15 pm-4:00 pm

1 stop23h 45m

$524

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 8/4

8:31 pm-11:10 am

1 stop9h 39m

Shannon

Tue 8/12

1:05 pm-10:55 pm

2 stops14h 50m

$531

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 8/6

8:33 pm-11:10 am

1 stop9h 37m

Shannon

Thu 8/14

1:05 pm-12:21 am

2 stops16h 16m

$580

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 9/10

9:45 am-11:20 am

2 stops20h 35m

Shannon

Wed 9/17

7:40 am-9:05 pm

2 stops18h 25m

$682

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 10/8

5:50 pm-11:20 am

1 stop12h 30m

Shannon

Fri 10/17

7:40 am-6:55 pm

2 stops16h 15m

$706

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 10/2

7:14 pm-5:20 pm

2 stops41h 06m

$279

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 8/6

8:30 am-7:30 am

1 stop18h 00m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 12 results

Best time to book a flight from Dulles Intl to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Dulles Intl 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. Dulles Intl Airport to Shannon

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

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Shannon, Clare in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Shannon

Peruse reviews from past customers who have flown with Delta, KLM, and Air France from Washington, D.C. Dulles Intl Airport to Shannon to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,979 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,383 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,465 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,896 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,979 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Shannon from Washington, D.C. Dulles Intl?
Shannon (SNN) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Shannon. You should not have trouble finding flights to Shannon from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Shannon airport from Washington, D.C. Dulles Intl. It is only a 2.1 mi journey from Shannon (SNN) to Shannon’s city center.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Shannon, Clare round-trip?
Flying on Delta is currently your cheapest option to Shannon, Clare, with prices starting at $478. Additional round-trip tickets that might be worth considering are offered by Air France and United Airlines, with the lowest prices starting at $486 and $487, respectively.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Shannon, Clare one-way?
To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $399. Aer Lingus flights start at $570 while deals on British Airways start at $636 one-way.
Can I find deals for flights from Dulles Intl to Shannon that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Shannon?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Shannon.
Can I find deals for business class flights from Dulles Intl to Shannon?
Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Shannon, Clare?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare (average of $533). Flying from Washington, D.C. Dulles Intl Airport to Shannon, Clare in June is currently the most expensive (average of $932). 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

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Alternative routes for Dulles Intl to Shannon

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Top 5 airlines flying from Dulles Intl to Shannon

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest$643	Average$645	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$644	Average$936	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$646	Average$704	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$733	Average$929	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$796	Average$945	FlexibilityNo cancel fee	On-time70%

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$279+ Cheap flights from Dulles Intl (IAD) 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Shannon with Cheapflights

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Cheap flight deals from Dulles Intl to Shannon

Round-trip from

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Find flight deals from Dulles Intl to Shannon

Cheapest flights from Dulles Intl to ShannonExplore the most affordable flight options available from Dulles Intl to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Dulles Intl to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Dulles Intl to Shannon

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

Cheapflights Insights

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

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

Find hourly flight availability from Dulles Intl 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 July 29, 2025.

Reviews of airlines servicing Shannon

Peruse reviews from past customers who have flown with Delta, KLM, and Air France from Washington, D.C. Dulles Intl Airport to Shannon to help guide your decision. You can also see how each airline stacks up 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 Dulles Intl 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. Dulles Intl?

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

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

Can I find deals for flights from Dulles Intl to Shannon that include hotel bookings?

How can I find direct flights from Dulles Intl to Shannon?

Can I find deals for business class flights from Dulles Intl to Shannon?

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

Traveling to a place near Shannon?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dulles Intl to Shannon

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Top 5 airlines flying from Dulles Intl to Shannon

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Cheapest flights from Dulles Intl to Shannon
Explore the most affordable flight options available from Dulles Intl to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.