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Dulles Intl

$545+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — IAD
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheap flight deals from Shannon to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Shannon (SNN) to Dulles Intl (IAD). 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 agosto 14, 2025.

Round-trip from

$545
(United Airlines)
From Shannon to Washington, D.C. Dulles Intl
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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 agosto 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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.
lun. 9/19:30 amSNN - IAD
1 stop11h 22mUnited Airlines
dom. 9/73:55 pmIAD - SNN
1 stop10h 35mUnited Airlines
Deal found 8/13$545
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/229:30 amSNN - IAD
1 stop11h 22mUnited Airlines
lun. 9/2910:35 pmIAD - SNN
1 stop30h 40mUnited Airlines
Deal found 8/14$611
This SmartFares deal was found by Cheapflights users on 8/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/275:30 pmSNN - IAD
1 stop27h 30mMultiple Airlines
sáb. 10/45:50 pmIAD - SNN
1 stop12h 30mMultiple Airlines
Deal found 8/13$678
This American Airlines deal was found by Cheapflights users on 8/14. 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.
lun. 9/227:40 amSNN - IAD
2 stops16h 11mAmerican Airlines
lun. 9/295:50 pmIAD - SNN
1 stop12h 30mAmerican Airlines
Deal found 8/14$696
This SmartFares deal was found by Cheapflights users on 8/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/275:30 pmSNN - IAD
2 stops30h 25mBritish Airways
sáb. 10/48:25 pmIAD - SNN
2 stops14h 40mBritish Airways
Deal found 8/13$700
This Gotogate deal was found by Cheapflights users on 8/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/19:15 pmSNN - IAD
2 stops28h 50mAir Canada
dom. 9/75:22 pmIAD - SNN
2 stops22h 13mAir Canada
Deal found 8/13$754
This Mytrip deal was found by Cheapflights users on 8/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/224:55 pmSNN - IAD
2 stops31h 25mMultiple Airlines
lun. 9/298:30 pmIAD - SNN
2 stops19h 05mMultiple Airlines
Deal found 8/14$773
This KLM deal was found by Cheapflights users on 8/13. 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.
lun. 9/11:05 pmSNN - IAD
1 stop11h 38mMultiple Airlines
dom. 9/73:26 pmIAD - SNN
2 stops14h 44mMultiple Airlines
Deal found 8/13$788

Cheapflights Fare Finder

 
Customize your flight search to find flights from Shannon to Dulles Intl 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 agosto 14, 2025.
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

Shannon

Fly to

Dulles Intl

Route

Depart

Return

Price

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

lun. 9/1

9:30 am-3:52 pm

1 stop11h 22m

Washington, D.C. Dulles Intl

dom. 9/7

3:55 pm-7:30 am

1 stop10h 35m

$545

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

lun. 9/22

9:30 am-3:52 pm

1 stop11h 22m

Washington, D.C. Dulles Intl

lun. 9/29

10:35 pm-10:15 am

1 stop30h 40m

$611

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

sáb. 9/27

5:30 pm-4:00 pm

1 stop27h 30m

Washington, D.C. Dulles Intl

sáb. 10/4

5:50 pm-11:20 am

1 stop12h 30m

$678

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

lun. 9/22

7:40 am-6:51 pm

2 stops16h 11m

Washington, D.C. Dulles Intl

lun. 9/29

5:50 pm-11:20 am

1 stop12h 30m

$696

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

sáb. 9/27

5:30 pm-6:55 pm

2 stops30h 25m

Washington, D.C. Dulles Intl

sáb. 10/4

8:25 pm-4:05 pm

2 stops14h 40m

$700

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

lun. 9/1

9:15 pm-9:05 pm

2 stops28h 50m

Washington, D.C. Dulles Intl

dom. 9/7

5:22 pm-8:35 pm

2 stops22h 13m

$754

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

lun. 9/22

4:55 pm-7:20 pm

2 stops31h 25m

Washington, D.C. Dulles Intl

lun. 9/29

8:30 pm-8:35 pm

2 stops19h 05m

$773

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

lun. 9/1

1:05 pm-7:43 pm

1 stop11h 38m

Washington, D.C. Dulles Intl

dom. 9/7

3:26 pm-11:10 am

2 stops14h 44m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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

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?

    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.

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

    Currently, July is the cheapest month in which you can book a flight from Shannon, Clare to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Shannon, Clare to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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