How long is the flight from Shannon, Clare to Washington, D.C. Dulles Intl Airport?

American Airlines and British Airways can get you from Shannon, Clare to Washington, D.C. Dulles Intl Airport in just under 12h 45m. Your travel time can differ by up to 11h 45m. Airlines will cover a distance of 3296 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

When flying from Shannon, Clare to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Shannon, Clare-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Shannon, Clare-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Shannon, Clare-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Shannon, Clare-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Shannon, Clare-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

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

Yes. Cheapflights offers flight deals from Shannon to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$523+ Flights from Shannon to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Shannon to Dulles Intl

Cheapest flights from Shannon to Dulles Intl
Explore the most affordable flight options available from Shannon to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

Thu 12/182:45 pmSNN - IAD

2 stops14h 19mAmerican Airlines

Thu 12/256:20 pmIAD - SNN

1 stop12h 10mAmerican Airlines

Deal found 12/1

$885

Thu 12/188:05 pmSNN - IAD

1 stop24h 30mBritish Airways

Thu 12/256:20 pmIAD - SNN

1 stop20h 05mBritish Airways

Deal found 12/1

$949

Sat 12/67:50 amSNN - IAD

1 stop12h 45mMultiple Airlines

Sun 12/78:05 pmIAD - SNN

2 stops34h 25mMultiple Airlines

Deal found 12/2

$995

Tue 12/307:50 amSNN - IAD

1 stop17h 05mBritish Airways

Tue 1/69:45 pmIAD - SNN

1 stop16h 40mBritish Airways

Deal found 12/1

$1,058

Thu 12/182:00 pmSNN - IAD

2 stops23h 42mMultiple Airlines

Thu 12/251:57 pmIAD - SNN

2 stops16h 33mMultiple Airlines

Deal found 12/1

$1,078

Tue 12/307:50 amSNN - IAD

1 stop17h 05mAmerican Airlines

Tue 1/61:08 pmIAD - SNN

2 stops12h 12mAmerican Airlines

Deal found 12/1

$1,171

Tue 12/308:05 pmSNN - IAD

2 stops24h 45mMultiple Airlines

Tue 1/69:00 amIAD - SNN

2 stops29h 25mMultiple Airlines

Deal found 12/1

$1,266

Best flights from Shannon to Dulles Intl
Discover carefully curated flight deals from Shannon to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 3, 2025.

Thu 1/87:50 amSNN - IAD

1 stop12h 45mAmerican Airlines

Mon 1/129:45 pmIAD - SNN

1 stop14h 00mAmerican Airlines

Deal found 12/1

$595

Fri 1/238:05 pmSNN - IAD

1 stop24h 30mBritish Airways

Mon 1/269:45 pmIAD - SNN

1 stop14h 00mBritish Airways

Deal found 11/30

$598

Thu 1/87:50 amSNN - IAD

1 stop12h 45mBritish Airways

Mon 1/129:45 pmIAD - SNN

1 stop32h 45mBritish Airways

Deal found 12/1

$598

Fri 1/162:45 pmSNN - IAD

2 stops13h 27mAmerican Airlines

Fri 1/236:20 pmIAD - SNN

1 stop12h 10mAmerican Airlines

Deal found 12/2

$605

Fri 1/232:45 pmSNN - IAD

2 stops31h 31mAmerican Airlines

Mon 1/261:08 pmIAD - SNN

2 stops17h 22mAmerican Airlines

Deal found 11/30

$609

Last-minute flights from Shannon to Dulles Intl
Discover last-minute flight deals from Shannon to Dulles Intl. Data last updated December 3, 2025 and is based on user searches.

Thu 1/87:50 amSNN - IAD

1 stop12h 45mAmerican Airlines

Mon 1/129:45 pmIAD - SNN

1 stop14h 00mAmerican Airlines

Deal found 12/1

$595

Thu 1/87:50 amSNN - IAD

1 stop12h 45mBritish Airways

Mon 1/129:45 pmIAD - SNN

1 stop32h 45mBritish Airways

Deal found 12/1

$598

Fri 1/162:45 pmSNN - IAD

2 stops13h 27mAmerican Airlines

Fri 1/236:20 pmIAD - SNN

1 stop12h 10mAmerican Airlines

Deal found 12/2

$605

Fri 1/167:50 amSNN - IAD

1 stop12h 45mBritish Airways

Fri 1/236:20 pmIAD - SNN

1 stop16h 25mBritish Airways

Deal found 12/2

$630

Fri 1/167:50 amSNN - IAD

2 stops15h 40mMultiple Airlines

Fri 1/237:40 pmIAD - SNN

2 stops19h 20mMultiple Airlines

Deal found 12/2

$650

Fri 1/232:45 pmSNN - IAD

2 stops31h 31mAmerican Airlines

Mon 1/261:08 pmIAD - SNN

2 stops17h 22mAmerican Airlines

Deal found 11/30

$609

Fri 1/237:50 amSNN - IAD

2 stops37h 23mAir Canada

Mon 1/261:15 pmIAD - SNN

2 stops22h 30mAir Canada

Deal found 12/2

$729

One-way flights from Shannon to Dulles Intl
Search for one-way flight options from Shannon to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 3, 2025.

Fri 3/207:50 amSNN - IAD

2 stops20h 09mBritish Airways

Deal found 12/2

$523

Fri 3/208:05 pmSNN - IAD

1 stop24h 30mMultiple Airlines

Deal found 12/2

$586

Find flight deals from Shannon to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$595 (American Airlines)
One-way from	$523 (Priceline)

Provider with most accurate pricing for Shannon-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Shannon-Washington, D.C. Dulles Intl flights.

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From Shannon to Washington, D.C. Dulles Intl

Search Deals

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

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Thu 1/8

7:50 am-3:35 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Mon 1/12

9:45 pm-4:45 pm

1 stop14h 00m

$595

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Fri 1/23

8:05 pm-3:35 pm

1 stop24h 30m

Washington, D.C. Dulles Intl

Mon 1/26

9:45 pm-4:45 pm

1 stop14h 00m

$598

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Thu 1/8

7:50 am-3:35 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Mon 1/12

9:45 pm-11:30 am

1 stop32h 45m

$598

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Fri 1/16

2:45 pm-11:12 pm

2 stops13h 27m

Washington, D.C. Dulles Intl

Fri 1/23

6:20 pm-11:30 am

1 stop12h 10m

$605

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Fri 1/23

2:45 pm-5:16 pm

2 stops31h 31m

Washington, D.C. Dulles Intl

Mon 1/26

1:08 pm-11:30 am

2 stops17h 22m

$609

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Fri 3/20

7:50 am-11:59 pm

2 stops20h 09m

$523

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Fri 3/20

8:05 pm-4:35 pm

1 stop24h 30m

$586

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Compare providers for flights from Shannon to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Shannon to Dulles Intl in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	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 Shannon, Clare-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Shannon, Clare-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Shannon, Clare-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Shannon, Clare-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Shannon, Clare-Washington, D.C. Dulles Intl Airport 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 Shannon to Dulles Intl

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

Related info for your journey

What airport do you fly from for flights from Shannon to Washington, D.C. Dulles Intl?
Most people fly from Shannon (SNN) if they book a flight from Shannon to Washington, D.C. Dulles Intl. On average, Shannon has 0 outbound flights to Washington, D.C. Dulles Intl per day from 0 airlines. Shannon is conveniently located just 2.1 mi from Shannon’s city center.
How long is the flight from Shannon, Clare to Washington, D.C. Dulles Intl Airport?
American Airlines and British Airways can get you from Shannon, Clare to Washington, D.C. Dulles Intl Airport in just under 12h 45m. Your travel time can differ by up to 11h 45m. Airlines will cover a distance of 3296 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Shannon to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Shannon to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Shannon to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Shannon to Dulles Intl.
Can I find deals for business class flights from Shannon to Dulles Intl?
Yes. Cheapflights offers flight deals from Shannon to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$523+ Cheap flights from Shannon (SNN) to Dulles Intl (IAD)

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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Shannon to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Shannon to Dulles Intl

Cheapest flights from Shannon to Dulles IntlExplore the most affordable flight options available from Shannon to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

Explore the most affordable flight options available from Shannon to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

Find flight deals from Shannon to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

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

Compare providers for flights from Shannon to Dulles Intl

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 Shannon to Dulles Intl in December.

Best time to book a flight from Shannon to Dulles Intl

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

Related info for your journey

Find useful and relevant information for your journey from Shannon to Dulles Intl. 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 from for flights from Shannon to Washington, D.C. Dulles Intl?

How long is the flight from Shannon, Clare to Washington, D.C. Dulles Intl Airport?

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

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

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

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Cheapest flights from Shannon to Dulles Intl
Explore the most affordable flight options available from Shannon to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.