$343+ Cheap flights from Dulles Intl (IAD) to Shannon (SNN)
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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SNN
Nov 14 — Nov 211
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Shannon 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Dulles Intl to Shannon
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dulles Intl to ShannonExplore the most affordable flight options available from Dulles Intl to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.
Explore the most affordable flight options available from Dulles Intl to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Wed 12/305:50 pm -
1 stop23h 30m
Sun 1/1011:15 am -
2 stops34h 05m
Deal found 10/12![Multiple Airlines logo]()
$797
This Mytrip deal was found by Cheapflights users on 10/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:15 pm -
2 stops19h 55m
Tue 11/242:35 pm -
3 stops34h 55m
Deal found 10/13![Multiple Airlines logo]()
$814
This Mytrip deal was found by Cheapflights users on 10/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:30 pm -
2 stops18h 00m
Sun 12/138:05 pm -
2 stops24h 10m
Deal found 10/13![Multiple Airlines logo]()
$829
This Mytrip deal was found by Cheapflights users on 10/12. 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.
Mon 11/307:40 pm -
3 stops17h 20m
Sun 12/135:30 pm -
2 stops30h 00m
Deal found 10/12![Multiple Airlines logo]()
$891
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:25 pm -
2 stops18h 20m
Sat 12/57:50 am -
2 stops41h 45m
Deal found 10/14![Multiple Airlines logo]()
$897
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Thu 11/265:50 pm -
1 stop16h 10m
Thu 12/310:25 am -
2 stops40h 04m
Deal found 10/11![Multiple Airlines logo]()
$916
Best flights from Dulles Intl to ShannonDiscover carefully curated flight deals from Dulles Intl to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.
Discover carefully curated flight deals from Dulles Intl to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:25 pm -
2 stops18h 20m
Sat 12/57:50 am -
2 stops41h 45m
Deal found 10/14![Multiple Airlines logo]()
$897
This Booking.com deal was found by Cheapflights users on 10/10. 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 11/86:05 pm -
1 stop12h 25m
Tue 11/247:50 am -
1 stop12h 50m
Deal found 10/10![British Airways logo]()
$953
This Air Canada deal was found by Cheapflights users on 10/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:55 am -
2 stops25h 50m
Fri 11/207:50 am -
2 stops32h 38m
Deal found 10/10![Air Canada logo]()
$1,247
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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.
Sat 12/198:50 pm -
2 stops17h 35m
Sat 12/267:50 am -
2 stops16h 30m
Deal found 10/11![Aer Lingus logo]()
$1,321
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Thu 11/265:50 pm -
1 stop16h 10m
Thu 12/310:25 am -
2 stops40h 04m
Deal found 10/11![Multiple Airlines logo]()
$916
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 11/266:05 pm -
1 stop20h 20m
Thu 12/37:50 am -
1 stop12h 50m
Deal found 10/11![British Airways logo]()
$982
This Mytrip deal was found by Cheapflights users on 10/10. 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.
Sun 11/81:30 pm -
2 stops25h 15m
Tue 11/242:35 pm -
2 stops26h 10m
Deal found 10/10![Multiple Airlines logo]()
$928
This Mytrip deal was found by Cheapflights users on 10/11. 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.
Tue 11/244:30 pm -
2 stops21h 55m
Sat 11/287:50 am -
2 stops35h 40m
Deal found 10/11![Multiple Airlines logo]()
$1,294
Last-minute flights from Dulles Intl to ShannonDiscover last-minute flight deals from Dulles Intl to Shannon. Data last updated October 15, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Shannon. Data last updated October 15, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:15 pm -
2 stops19h 55m
Tue 11/242:35 pm -
3 stops34h 55m
Deal found 10/13![Multiple Airlines logo]()
$814
This Booking.com deal was found by Cheapflights users on 10/10. 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 11/86:05 pm -
1 stop12h 25m
Tue 11/247:50 am -
1 stop12h 50m
Deal found 10/10![British Airways logo]()
$953
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Thu 11/265:50 pm -
1 stop16h 10m
Thu 12/310:25 am -
2 stops40h 04m
Deal found 10/11![Multiple Airlines logo]()
$916
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:25 pm -
2 stops18h 20m
Sat 12/57:50 am -
2 stops41h 45m
Deal found 10/14![Multiple Airlines logo]()
$897
This Mytrip deal was found by Cheapflights users on 10/12. 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.
Mon 11/307:40 pm -
3 stops17h 20m
Sun 12/135:30 pm -
2 stops30h 00m
Deal found 10/12![Multiple Airlines logo]()
$891
One-way flights from Dulles Intl to ShannonSearch for one-way flight options from Dulles Intl to Shannon. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
Search for one-way flight options from Dulles Intl to Shannon. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Wed 11/2510:30 pm -
3 stops45h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Thu 12/317:40 pm -
2 stops17h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$371
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 12/208:50 pm -
2 stops14h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Aer Lingus logo]()
$601
This KAYAK deal was found by Cheapflights users on 10/11. 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.
Tue 12/228:50 pm -
2 stops34h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Aer Lingus logo]()
$611
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Mon 12/217:40 pm -
2 stops32h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$665
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Fri 12/185:15 pm -
2 stops33h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$684
Find flight deals from Dulles Intl to Shannon
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Shannon (SNN). 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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $797 (Kiwi.com) |
One-way from | $343 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Shannon 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 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Shannon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Thu 12/31
7:40 pm-6:05 pm
2 stops17h 25m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$371
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Wed 11/25
8:50 pm-7:00 am
2 stops29h 10m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$377
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Mon 12/21
7:40 pm-9:30 am
2 stops32h 50m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$665
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Sun 12/20
9:45 pm-4:45 pm
1 stop14h 00m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$806
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Sat 11/28
5:25 pm-4:45 pm
2 stops18h 20m
Shannon
Sat 12/5
7:50 am-8:35 pm
2 stops41h 45m
$897
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Thu 11/26
5:50 pm-3:00 pm
1 stop16h 10m
Shannon
Thu 12/3
10:25 am-9:29 pm
2 stops40h 04m
$916
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Sun 11/8
1:30 pm-7:45 pm
2 stops25h 15m
Shannon
Tue 11/24
2:35 pm-11:45 am
2 stops26h 10m
$928
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Sun 11/8
6:05 pm-11:30 am
1 stop12h 25m
Shannon
Tue 11/24
7:50 am-3:40 pm
1 stop12h 50m
$953
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Thu 11/26
6:05 pm-7:25 pm
1 stop20h 20m
Shannon
Thu 12/3
7:50 am-3:40 pm
1 stop12h 50m
$982
Quickest round-trip
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Fri 12/18
12:45 pm-5:50 am
1 stop12h 05m
Shannon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$1,079
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to Shannon
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 Dulles Intl to Shannon in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Shannon, Clare flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Shannon, Clare 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 Washington, D.C. Dulles Intl Airport-Shannon, Clare 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 Dulles Intl to Shannon
Have a flexible travel schedule? Discover the best time to fly to Shannon from Dulles Intl with our price prediction graph.
IAD-SNN
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.
Reviews of airlines servicing Shannon
Get insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated October 15, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Washington, D.C. Dulles Intl Airport to Shannon to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Dulles Intl and Shannon flights
Browse other Dulles Intl and Shannon flight options. Last updated on October 15, 2026.
Other flights from Dulles Intl
Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on October 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Shannon
Explore flights to Shannon departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 15, 2026.
Top 3 airlines flying from Dulles Intl to Shannon
Discover the top 3 airlines that operate flights from Dulles Intl to Shannon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$489 | Average$868 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$681 | Average$1,603 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$753 | Average$1,045 | FlexibilityNo cancel fee | On-time69% |