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Shannon

$385+ Cheap flights from Denver (DEN) to Shannon (SNN)

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SNN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Denver to Shannon

Cheapest flights from Denver to Shannon
Explore the most affordable flight options available from Denver to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:35 pmDEN - SNN
2 stops15h 55mBritish Airways
Sun 1/48:05 pmSNN - DEN
2 stops28h 30mBritish Airways
Deal found 12/10$1,894
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:59 pmDEN - SNN
1 stop22h 56mMultiple Airlines
Sun 1/45:30 pmSNN - DEN
2 stops35h 56mMultiple Airlines
Deal found 12/10$2,044

Find flight deals from Denver to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$469
(American Airlines)

One-way from

$385
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$720
Provider with most accurate pricing for Denver Intl-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Shannon flights.
Search Deals
From Denver Intl to Shannon
Search Deals
One-way flight from Denver Intl to Shannon
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Denver to Shannon that are best for you.

Fly from

Denver

Fly to

Shannon

Route

Depart

Return

Price

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Thu 2/26

5:25 pm-4:45 pm

1 stop16h 20m

Shannon

Sat 3/7

7:50 am-3:30 pm

1 stop14h 40m

$489

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sat 1/24

5:25 pm-4:45 pm

1 stop16h 20m

Shannon

Sat 1/31

7:50 am-3:30 pm

1 stop14h 40m

$611

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Thu 2/26

5:25 pm-7:25 pm

1 stop19h 00m

Shannon

Mon 3/2

8:05 pm-3:30 pm

1 stop26h 25m

$691

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Thu 2/26

7:05 pm-3:45 pm

2 stops37h 40m

Shannon

Mon 3/2

5:30 pm-10:23 am

2 stops47h 53m

$696

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Wed 5/13

6:40 pm-8:35 pm

1 stop18h 55m

$385

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Thu 5/28

6:40 pm-4:10 pm

1 stop14h 30m

$440

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sun 5/17

6:40 pm-4:10 pm

1 stop14h 30m

$440

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sun 5/17

11:59 pm-10:15 am

2 stops27h 16m

$460

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Wed 5/13

7:55 pm-1:30 pm

3 stops34h 35m

$488

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sun 6/7

8:10 pm-4:10 pm

3 stops37h 00m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Denver 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 Denver to Shannon in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust 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 Denver-Shannon, Clare flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Shannon, Clare flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Shannon, Clare flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Shannon, Clare 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 Denver-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 Denver to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Denver 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.

Cheapflights Insights

Everything you need to know about your flight from Denver to Shannon

How far ahead should I book a flight from Denver to Shannon, Clare?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Shannon. Price data was last updated on December 5, 2025.

The price you pay for your flight from Denver to Shannon, Clare may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Denver to Shannon, Clare?

Currently, October is the cheapest month in which you can book a flight from Denver to Shannon, Clare (average of $466). Flying from Denver to Shannon, Clare in June is currently the most expensive (average of $744). 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.

What is the cheapest time of day to fly from DEN to SNN?

Find hourly flight availability from Denver to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Denver to Shannon, Clare in the morning. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight at noon.

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 December 12, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Denver 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.
Delta
7.9
Good
8,005 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,049 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Aer Lingus
7.2
Good
1,392 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Denver to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Denver to Shannon, Clare?

    Airlines like American Airlines fly from Denver to Shannon, Clare in about 16h 20m. The time it takes to get you to your destination can typically vary by up to . The distance from Denver to Shannon, Clare is about 4309 mi.

  • What are the cheapest airlines flying from Denver to Shannon, Clare round-trip?

    Cheapflights users have booked flights from Denver to Shannon, Clare round-trip from $483. Other airlines that can offer you cheap pricing are United Airlines, from $516, and Delta, from $561. You may be able to fly from Denver to Shannon, Clare for 34% less than the average price by searching for these airlines.

  • Can I find deals for flights from Denver to Shannon that include hotel bookings?

    Yes. In addition to deals on Denver to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Shannon.

  • Can I find deals for business class flights from Denver to Shannon?

    Yes. Cheapflights offers flight deals from Denver to Shannon 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 Denver to Shannon, Clare?

    Currently, October is the cheapest month in which you can book a flight from Denver to Shannon, Clare (average of $466). Flying from Denver to Shannon, Clare in June is currently the most expensive (average of $744). 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 Shannon?

Book flights to Shannon if you plan to visit one of these locations
Ennis

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Top 4 airlines flying from Denver to Shannon

Discover the top 4 airlines that operate flights from Denver 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 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$483Average$694FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$516Average$763FlexibilityNo cancel feeOn-time69%
DeltaCheapest$561Average$732FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$671Average$796FlexibilityNo cancel feeOn-timeN/A

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