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

American Airlines 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 . Airlines will cover a distance of 3296 mi.

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.

$616+ Flights from Shannon to Washington, D.C. Dulles Intl Airport

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Find 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 November 21, 2025.

Di 12/167:50 amSNN - IAD

1 stop12h 45mBritish Airways

Fr 12/269:45 pmIAD - SNN

1 stop13h 00mBritish Airways

Deal found 11/19

$919

Di 12/167:50 amSNN - IAD

2 stops20h 18mMultiple Airlines

Fr 12/264:29 pmIAD - SNN

2 stops32h 26mMultiple Airlines

Deal found 11/19

$1,131

Fr 11/218:05 pmSNN - IAD

2 stops29h 49mAir Canada

Do 11/279:45 amIAD - SNN

2 stops26h 00mAir Canada

Deal found 11/20

$6,048

Fr 11/217:25 amSNN - IAD

1 stop17h 30mMultiple Airlines

Do 11/279:45 pmIAD - SNN

1 stop16h 40mMultiple Airlines

Deal found 11/20

$8,038

Fr 11/217:50 amSNN - IAD

1 stop17h 05mBritish Airways

Do 11/276:00 pmIAD - SNN

2 stops20h 25mBritish Airways

Deal found 11/20

$8,575

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 November 21, 2025.

Do 3/57:50 amSNN - IAD

1 stop12h 45mAmerican Airlines

Mo 3/910:45 pmIAD - SNN

1 stop32h 45mAmerican Airlines

Deal found 11/19

$616

Do 1/85:30 pmSNN - IAD

2 stops32h 55mAir Canada

Mo 1/121:15 pmIAD - SNN

2 stops17h 15mAir Canada

Deal found 11/20

$804

Di 12/167:50 amSNN - IAD

1 stop12h 45mBritish Airways

Fr 12/269:45 pmIAD - SNN

1 stop13h 00mBritish Airways

Deal found 11/19

$919

Di 12/167:50 amSNN - IAD

2 stops20h 18mMultiple Airlines

Fr 12/264:29 pmIAD - SNN

2 stops32h 26mMultiple Airlines

Deal found 11/19

$1,131

Do 1/87:50 amSNN - IAD

1 stop12h 45mAmerican Airlines

Mo 1/126:20 pmIAD - SNN

1 stop12h 10mAmerican Airlines

Deal found 11/20

$752

Last-minute flights from Shannon to Dulles Intl
Discover last-minute flight deals from Shannon to Dulles Intl. Data last updated November 21, 2025 and is based on user searches.

Fr 11/218:05 pmSNN - IAD

2 stops29h 49mAir Canada

Do 11/279:45 amIAD - SNN

2 stops26h 00mAir Canada

Deal found 11/20

$6,048

Fr 11/217:25 amSNN - IAD

1 stop17h 30mMultiple Airlines

Do 11/279:45 pmIAD - SNN

1 stop16h 40mMultiple Airlines

Deal found 11/20

$8,038

Fr 11/217:50 amSNN - IAD

1 stop17h 05mBritish Airways

Do 11/276:00 pmIAD - SNN

2 stops20h 25mBritish Airways

Deal found 11/20

$8,575

Di 12/167:50 amSNN - IAD

1 stop12h 45mBritish Airways

Fr 12/269:45 pmIAD - SNN

1 stop13h 00mBritish Airways

Deal found 11/19

$919

Di 12/167:50 amSNN - IAD

2 stops20h 18mMultiple Airlines

Fr 12/264:29 pmIAD - SNN

2 stops32h 26mMultiple Airlines

Deal found 11/19

$1,131

Cheap flight deals from Shannon to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$616 (American Airlines)
One-way from	$462 (Mytrip)

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

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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

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

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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

Do 3/5

7:50 am-3:35 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Mo 3/9

10:45 pm-11:30 am

1 stop32h 45m

$616

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Do 1/8

7:50 am-3:35 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Mo 1/12

6:20 pm-11:30 am

1 stop12h 10m

$752

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Do 1/8

5:30 pm-9:25 pm

2 stops32h 55m

Washington, D.C. Dulles Intl

Mo 1/12

1:15 pm-11:30 am

2 stops17h 15m

$804

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Di 12/16

7:50 am-3:35 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Fr 12/26

9:45 pm-3:45 pm

1 stop13h 00m

$919

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Di 12/16

7:50 am-11:08 pm

2 stops20h 18m

Washington, D.C. Dulles Intl

Fr 12/26

4:29 pm-5:55 am

2 stops32h 26m

$1,131

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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 November.

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 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 . Airlines will cover a distance of 3296 mi.
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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$616+ Cheap flights from Shannon (SNN) to Dulles Intl (IAD)

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 3/5. 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

Find 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 November 21, 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 November 21, 2025.

Cheap 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 November.

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?

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

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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 November 21, 2025.