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Dulles Intl

$400+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — IAD
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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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 January 21, 2026.

This TravelUp deal was found by Cheapflights users on 1/21. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:05 pm
SNN
-
IAD
1 stop24h 30m
British Airways
Wed 2/256:20 pm
IAD
-
SNN
1 stop12h 10m
British Airways
Deal found 1/21$657
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/28:05 pm
SNN
-
IAD
2 stops26h 11m
British Airways
Mon 3/22:03 pm
IAD
-
SNN
2 stops16h 27m
British Airways
Deal found 1/20$667
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/58:05 pm
SNN
-
IAD
2 stops32h 07m
British Airways
Thu 2/266:20 pm
IAD
-
SNN
1 stop17h 25m
British Airways
Deal found 1/19$675
This TravelUp deal was found by Cheapflights users on 1/20. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/27:50 am
SNN
-
IAD
2 stops20h 22m
British Airways
Sun 2/81:08 pm
IAD
-
SNN
2 stops17h 22m
British Airways
Deal found 1/20$681
This Gotogate deal was found by Cheapflights users on 1/20. 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.
Mon 2/27:50 am
SNN
-
IAD
2 stops18h 04m
Air Canada
Sun 2/89:45 am
IAD
-
SNN
2 stops20h 45m
Air Canada
Deal found 1/20$689
This Gotogate deal was found by Cheapflights users on 1/19. 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.
Mon 2/237:50 am
SNN
-
IAD
2 stops18h 04m
Air Canada
Sun 3/14:30 pm
IAD
-
SNN
2 stops19h 15m
Air Canada
Deal found 1/19$696
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 2/27:50 am
SNN
-
IAD
1 stop12h 45m
American Airlines
Sun 2/85:46 pm
IAD
-
SNN
2 stops17h 59m
American Airlines
Deal found 1/20$704
This lastminute.com deal was found by Cheapflights users on 1/20. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/28:05 pm
SNN
-
IAD
1 stop29h 25m
Multiple Airlines
Sun 2/810:20 pm
IAD
-
SNN
1 stop13h 25m
Multiple Airlines
Deal found 1/20$706
This Booking.com deal was found by Cheapflights users on 1/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:30 pm
SNN
-
IAD
2 stops30h 00m
Multiple Airlines
Wed 2/257:40 pm
IAD
-
SNN
2 stops14h 00m
Multiple Airlines
Deal found 1/21$723
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Sun 2/12:45 pm
SNN
-
IAD
2 stops13h 27m
American Airlines
Sat 2/71:08 pm
IAD
-
SNN
2 stops12h 12m
American Airlines
Deal found 1/21$726

Find 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$667
(FlightHub)

One-way from

$400
(Kiwi.com)
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

 
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 January 21, 2026.
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

Wed 2/18

8:05 pm-3:35 pm

1 stop24h 30m

Washington, D.C. Dulles Intl

Wed 2/25

6:20 pm-11:30 am

1 stop12h 10m

$657

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Mon 2/2

8:05 pm-5:16 pm

2 stops26h 11m

Washington, D.C. Dulles Intl

Mon 3/2

2:03 pm-11:30 am

2 stops16h 27m

$667

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Thu 2/5

8:05 pm-11:12 pm

2 stops32h 07m

Washington, D.C. Dulles Intl

Thu 2/26

6:20 pm-4:45 pm

1 stop17h 25m

$675

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Mon 2/2

7:50 am-11:12 pm

2 stops20h 22m

Washington, D.C. Dulles Intl

Sun 2/8

1:08 pm-11:30 am

2 stops17h 22m

$681

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Mon 2/2

7:50 am-8:54 pm

2 stops18h 04m

Washington, D.C. Dulles Intl

Sun 2/8

9:45 am-11:30 am

2 stops20h 45m

$689

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Mon 2/2

7:50 am-3:35 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Sun 2/8

5:46 pm-4:45 pm

2 stops17h 59m

$704

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Thu 2/5

5:30 pm-9:25 pm

2 stops32h 55m

Washington, D.C. Dulles Intl

Thu 2/26

9:00 am-4:45 pm

2 stops26h 45m

$704

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Mon 2/2

8:05 pm-8:30 pm

1 stop29h 25m

Washington, D.C. Dulles Intl

Sun 2/8

10:20 pm-4:45 pm

1 stop13h 25m

$706

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Wed 2/18

5:30 pm-6:30 pm

2 stops30h 00m

Washington, D.C. Dulles Intl

Wed 2/25

7:40 pm-2:40 pm

2 stops14h 00m

$723

ShannonWashington, D.C.

SNN - IAD

SNNIAD

Shannon

Sun 2/1

2:45 pm-11:12 pm

2 stops13h 27m

Washington, D.C. Dulles Intl

Sat 2/7

1:08 pm-6:20 am

2 stops12h 12m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 15 results
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  • Most accurate provider: When it comes to deals on Shannon, Clare-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Shannon, Clare-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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.

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

    British Airways can get you from Shannon, Clare to Washington, D.C. Dulles Intl Airport in just under 24h 30m. 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.

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
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Herndon
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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