HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shannon

$285+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SNN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl 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 Dulles Intl to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$555
(KLM)

One-way from

$285
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,250
From Washington, D.C. Dulles Intl to Shannon
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Shannon
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This KLM deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/68:30 pmIAD - SNN
1 stop9h 40mMultiple Airlines
Tue 7/221:05 pmSNN - IAD
2 stops14h 50mMultiple Airlines
Deal found 6/10$555
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/68:30 amIAD - SNN
1 stop18h 00mUnited Airlines
Tue 7/2212:30 pmSNN - IAD
1 stop32h 50mUnited Airlines
Deal found 6/10$556
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1610:40 pmIAD - SNN
1 stop16h 55mAmerican Airlines
Mon 7/219:15 pmSNN - IAD
2 stops24h 54mAmerican Airlines
Deal found 6/11$572
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/208:31 pmIAD - SNN
1 stop9h 39mDelta
Thu 7/311:05 pmSNN - IAD
1 stop11h 46mDelta
Deal found 6/10$574
This Air France deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/68:30 pmIAD - SNN
1 stop9h 40mAir France
Tue 7/221:05 pmSNN - IAD
2 stops14h 50mAir France
Deal found 6/12$609
This KLM deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2112:45 pmIAD - SNN
2 stops17h 25mKLM
Mon 7/281:05 pmSNN - IAD
2 stops16h 29mKLM
Deal found 6/10$639
This Cheapflightsfares deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:00 pmIAD - SNN
2 stops14h 10mBritish Airways
Tue 9/239:15 pmSNN - IAD
2 stops23h 35mBritish Airways
Deal found 6/11$766
This Travelocity deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:45 amIAD - SNN
2 stops20h 35mAir Canada
Mon 9/299:15 pmSNN - IAD
2 stops28h 50mAir Canada
Deal found 6/11$782
This oojo deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/68:25 pmIAD - SNN
2 stops19h 10mAer Lingus
Tue 7/224:55 pmSNN - IAD
2 stops27h 55mAer Lingus
Deal found 6/10$962

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Shannon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
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

Dulles Intl

Fly to

Shannon

Route

Depart

Return

Price

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/6

8:30 pm-11:10 am

1 stop9h 40m

Shannon

Tue 7/22

1:05 pm-10:55 pm

2 stops14h 50m

$555

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/6

8:30 pm-11:10 am

1 stop9h 40m

Shannon

Tue 7/22

1:05 pm-7:51 pm

1 stop11h 46m

$556

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 7/16

10:40 pm-8:35 pm

1 stop16h 55m

Shannon

Mon 7/21

9:15 pm-5:09 pm

2 stops24h 54m

$572

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/6

8:30 pm-11:10 am

1 stop9h 40m

Shannon

Tue 7/22

1:05 pm-10:55 pm

2 stops14h 50m

$609

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 7/21

12:45 pm-11:10 am

2 stops17h 25m

Shannon

Mon 7/28

1:05 pm-12:34 am

2 stops16h 29m

$639

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 7/2

5:25 pm-10:15 am

1 stop11h 50m

Shannon

Tue 7/8

9:30 am-4:10 pm

1 stop11h 40m

$644

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/9

9:00 pm-4:10 pm

2 stops14h 10m

Shannon

Tue 9/23

9:15 pm-3:50 pm

2 stops23h 35m

$766

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/23

9:45 am-11:20 am

2 stops20h 35m

Shannon

Mon 9/29

9:15 pm-9:05 pm

2 stops28h 50m

$782

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/6

8:25 pm-8:35 pm

2 stops19h 10m

Shannon

Tue 7/22

4:55 pm-3:50 pm

2 stops27h 55m

$962

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 7/14

9:58 pm-8:20 pm

2 stops41h 22m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results
1
2

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?

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 June 12, 2025.

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.

Rainfall in Shannon by month

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

Plan your trip to Shannon by taking into account the average temperature totals 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 insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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

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?

    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 $556. Additional round-trip tickets that might be worth considering are offered by American Airlines and Air France, with the lowest prices starting at $572 and $609, 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 American Airlines, which is currently one of the cheapest options available, starting at $431. United Airlines flights start at $446 while deals on KLM start at $447 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 $959). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Ennis

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.

Top 5 airlines flying from Dulles Intl to Shannon

Discover the top 5 airlines that operate flights from Dulles Intl to Shannon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$643Average$645FlexibilityNo cancel feeOn-time75%
DeltaCheapest$644Average$962FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$646Average$704FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$663Average$929FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$723Average$945FlexibilityNo cancel feeOn-time70%

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.