$449+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — IAD
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Shannon to Dulles Intl 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
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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 Shannon to Dulles Intl
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Best
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One-way
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 October 19, 2026.
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 October 19, 2026.
This Gotogate deal was found by Cheapflights users on 10/15. 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.
Thu 11/267:50 am -
1 stop12h 50m
Mon 11/306:05 pm -
1 stop12h 25m
Deal found 10/15![Multiple Airlines logo]()
$573
This Flysmarter deal was found by Cheapflights users on 10/18. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:05 pm -
1 stop24h 35m
Mon 11/309:45 pm -
1 stop14h 00m
Deal found 10/18![British Airways logo]()
$654
This British Airways deal was found by Cheapflights users on 10/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:05 pm -
1 stop24h 35m
Sun 11/299:45 pm -
1 stop14h 00m
Deal found 10/17![British Airways logo]()
$661
This British Airways deal was found by Cheapflights users on 10/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:05 pm -
2 stops49h 15m
Mon 11/239:45 pm -
1 stop16h 40m
Deal found 10/18![British Airways logo]()
$686
This British Airways deal was found by Cheapflights users on 10/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:05 pm -
2 stops25h 15m
Mon 12/149:45 pm -
1 stop14h 00m
Deal found 10/18![British Airways logo]()
$700
This Gotogate deal was found by Cheapflights users on 10/17. 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.
Thu 11/197:50 am -
1 stop17h 05m
Mon 11/239:45 pm -
1 stop14h 00m
Deal found 10/17![Multiple Airlines logo]()
$701
This Booking.com deal was found by Cheapflights users on 10/18. 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.
Sun 11/158:05 pm -
1 stop24h 35m
Sun 11/226:05 pm -
1 stop12h 25m
Deal found 10/18![British Airways logo]()
$724
Best flights from Shannon to Dulles IntlDiscover 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 October 19, 2026.
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 October 19, 2026.
This British Airways deal was found by Cheapflights users on 10/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:05 pm -
1 stop24h 35m
Sun 11/299:45 pm -
1 stop14h 00m
Deal found 10/17![British Airways logo]()
$661
This TravelUp deal was found by Cheapflights users on 10/16. 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.
Thu 11/267:50 am -
1 stop12h 50m
Mon 11/301:24 pm -
2 stops25h 01m
Deal found 10/16![Multiple Airlines logo]()
$760
This American Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 1/82:00 pm -
2 stops37h 55m
Tue 1/127:05 am -
2 stops17h 45m
Deal found 10/15![American Airlines logo]()
$772
This British Airways deal was found by Cheapflights users on 10/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:05 pm -
2 stops49h 15m
Mon 11/239:45 pm -
1 stop16h 40m
Deal found 10/18![British Airways logo]()
$686
This British Airways deal was found by Cheapflights users on 10/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:05 pm -
2 stops25h 15m
Mon 12/149:45 pm -
1 stop14h 00m
Deal found 10/18![British Airways logo]()
$700
This British Airways deal was found by Cheapflights users on 10/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/85:30 pm -
1 stop31h 25m
Tue 1/126:05 pm -
1 stop20h 20m
Deal found 10/14![British Airways logo]()
$759
Last-minute flights from Shannon to Dulles IntlDiscover last-minute flight deals from Shannon to Dulles Intl. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Shannon to Dulles Intl. Data last updated October 19, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 10/18. 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.
Sun 11/158:05 pm -
1 stop24h 35m
Sun 11/226:05 pm -
1 stop12h 25m
Deal found 10/18![British Airways logo]()
$724
This Cheapflightsfares deal was found by Cheapflights users on 10/18. 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.
Sun 11/158:05 pm -
2 stops28h 15m
Sun 11/228:50 pm -
2 stops14h 55m
Deal found 10/18![Aer Lingus logo]()
$800
This British Airways deal was found by Cheapflights users on 10/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:05 pm -
2 stops49h 15m
Mon 11/239:45 pm -
1 stop16h 40m
Deal found 10/18![British Airways logo]()
$686
This Gotogate deal was found by Cheapflights users on 10/17. 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.
Thu 11/197:50 am -
1 stop17h 05m
Mon 11/239:45 pm -
1 stop14h 00m
Deal found 10/17![Multiple Airlines logo]()
$701
This British Airways deal was found by Cheapflights users on 10/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:05 pm -
1 stop24h 35m
Sun 11/299:45 pm -
1 stop14h 00m
Deal found 10/17![British Airways logo]()
$661
This Gotogate deal was found by Cheapflights users on 10/15. 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.
Thu 11/267:50 am -
1 stop12h 50m
Mon 11/306:05 pm -
1 stop12h 25m
Deal found 10/15![Multiple Airlines logo]()
$573
This Flysmarter deal was found by Cheapflights users on 10/18. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:05 pm -
1 stop24h 35m
Mon 11/309:45 pm -
1 stop14h 00m
Deal found 10/18![British Airways logo]()
$654
One-way flights from Shannon to Dulles IntlSearch for one-way flight options from Shannon to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Shannon to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Sat 4/36:30 am -
3 stops43h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$449
This Cheapflightsfares deal was found by Cheapflights users on 10/17. 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.
Thu 12/178:05 pm -
2 stops28h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Aer Lingus logo]()
$501
This KAYAK deal was found by Cheapflights users on 10/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/178:05 pm -
1 stop28h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$546
This British Airways deal was found by Cheapflights users on 10/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/178:05 pm -
1 stop28h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![British Airways logo]()
$577
This Cheapflightsfares deal was found by Cheapflights users on 10/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:50 am -
1 stop17h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Aer Lingus logo]()
$718
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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $573 (Gotogate) |
One-way from | $449 (Kiwi.com) |
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 7,457,451 searches. Data last updated October 19, 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
Fly to
Route
Depart
Return
Cheapest round-trip
ShannonWashington, D.C.
SNN Shannon - IAD Washington, D.C. Dulles Intl
SNNIAD
Shannon
Sat 4/3
6:30 am-8:35 pm
3 stops43h 05m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$449
ShannonWashington, D.C.
SNN Shannon - IAD Washington, D.C. Dulles Intl
SNNIAD
Shannon
Thu 12/17
8:05 pm-7:20 pm
2 stops28h 15m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$501
Quickest round-trip
ShannonWashington, D.C.
SNN Shannon - IAD Washington, D.C. Dulles Intl
SNNIAD
Shannon
Thu 11/19
8:05 pm-3:45 pm
2 stops24h 40m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$507
ShannonWashington, D.C.
SNN Shannon - IAD Washington, D.C. Dulles Intl
SNNIAD
Shannon
Thu 12/17
8:05 pm-7:55 pm
1 stop28h 50m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$546
ShannonWashington, D.C.
SNN Shannon - IAD Washington, D.C. Dulles Intl
SNNIAD
Shannon
Thu 12/17
8:05 pm-7:55 pm
1 stop28h 50m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$577
ShannonWashington, D.C.
SNN Shannon - IAD Washington, D.C. Dulles Intl
SNNIAD
Shannon
Mon 11/23
8:05 pm-3:40 pm
1 stop24h 35m
Washington, D.C. Dulles Intl
Sun 11/29
9:45 pm-4:45 pm
1 stop14h 00m
$661
ShannonWashington, D.C.
SNN Shannon - IAD Washington, D.C. Dulles Intl
SNNIAD
Shannon
Thu 11/19
8:05 pm-4:20 pm
2 stops49h 15m
Washington, D.C. Dulles Intl
Mon 11/23
9:45 pm-7:25 pm
1 stop16h 40m
$686
ShannonWashington, D.C.
SNN Shannon - IAD Washington, D.C. Dulles Intl
SNNIAD
Shannon
Thu 12/10
8:05 pm-4:20 pm
2 stops25h 15m
Washington, D.C. Dulles Intl
Mon 12/14
9:45 pm-4:45 pm
1 stop14h 00m
$700
ShannonWashington, D.C.
SNN Shannon - IAD Washington, D.C. Dulles Intl
SNNIAD
Shannon
Fri 1/8
5:30 pm-7:55 pm
1 stop31h 25m
Washington, D.C. Dulles Intl
Tue 1/12
6:05 pm-7:25 pm
1 stop20h 20m
$759
ShannonWashington, D.C.
SNN Shannon - IAD Washington, D.C. Dulles Intl
SNNIAD
Shannon
Thu 11/26
7:50 am-3:40 pm
1 stop12h 50m
Washington, D.C. Dulles Intl
Mon 11/30
1:24 pm-7:25 pm
2 stops25h 01m
$760
Showing 1-10 of 11 resultsSorted by cheapest first
- 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.
SNN-IAD
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.
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 locationsAlexandria
Chantilly
Arlington
Woodbridge
Owings Mills
Lanham
Sterling
Tysons
Herndon
Reston
Hyattsville
Rockville
Springfield
Fredericksburg
Falls Church
Oxon Hill
Laurel
Towson
Clinton
Hunt Valley
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