HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shannon

$470+ Cheap flights from Denver (DEN) 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SNN
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver 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.

Find 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 October 13, 2025.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:25 pmDEN - SNN
1 stop16h 20mAmerican Airlines
Wed 12/37:50 amSNN - DEN
1 stop14h 40mAmerican Airlines
Deal found 10/12$470
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:27 pmDEN - SNN
2 stops16h 03mAmerican Airlines
Fri 12/127:50 amSNN - DEN
1 stop14h 40mAmerican Airlines
Deal found 10/10$475
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:25 pmDEN - SNN
1 stop16h 20mAmerican Airlines
Mon 11/247:50 amSNN - DEN
2 stops21h 32mAmerican Airlines
Deal found 10/11$490
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/89:11 amDEN - SNN
2 stops19h 19mAmerican Airlines
Sat 11/157:50 amSNN - DEN
2 stops18h 56mAmerican Airlines
Deal found 10/11$505
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:12 pmDEN - SNN
2 stops16h 18mAmerican Airlines
Tue 12/27:50 amSNN - DEN
1 stop14h 40mAmerican Airlines
Deal found 10/10$515
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/161:40 pmDEN - SNN
1 stop13h 35mUnited Airlines
Wed 10/2212:30 pmSNN - DEN
1 stop15h 47mUnited Airlines
Deal found 10/12$537
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:25 pmDEN - SNN
1 stop16h 20mAmerican Airlines
Mon 11/177:50 amSNN - DEN
1 stop14h 40mAmerican Airlines
Deal found 10/12$602

Cheap 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 October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$470
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$688
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
Highest demand for flights based on searches. 20% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($73 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 13, 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

Tue 12/2

5:25 pm-4:45 pm

1 stop16h 20m

Shannon

Fri 12/12

7:50 am-3:30 pm

1 stop14h 40m

$470

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Wed 11/26

5:25 pm-4:45 pm

1 stop16h 20m

Shannon

Wed 12/3

7:50 am-10:20 pm

2 stops21h 30m

$480

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Tue 11/11

5:25 pm-4:45 pm

1 stop16h 20m

Shannon

Mon 11/24

7:50 am-10:22 pm

2 stops21h 32m

$490

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Wed 12/10

5:25 pm-4:45 pm

1 stop16h 20m

Shannon

Mon 12/15

7:50 am-3:30 pm

1 stop14h 40m

$490

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Sat 11/8

9:11 am-11:30 am

2 stops19h 19m

Shannon

Sat 11/15

7:50 am-7:46 pm

2 stops18h 56m

$505

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Tue 11/25

12:12 pm-11:30 am

2 stops16h 18m

Shannon

Tue 12/2

7:50 am-3:30 pm

1 stop14h 40m

$515

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Thu 10/16

1:40 pm-10:15 am

1 stop13h 35m

Shannon

Wed 10/22

12:30 pm-9:17 pm

1 stop15h 47m

$537

DenverShannon

DEN - SNN

DENSNN

Denver Intl

Thu 12/11

5:25 pm-4:45 pm

1 stop16h 20m

Shannon

Thu 12/18

7:50 am-3:30 pm

1 stop14h 40m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/10

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Shannon, Clare flight deals on Cheapflights vs. FlightHub >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 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 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 October 10, 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 28 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 $761). 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 October 13, 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 October 13, 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
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,971 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,044 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Aer Lingus
7.2
Good
1,333 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 38% 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 $761). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$483Average$662FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$516Average$758FlexibilityNo cancel feeOn-time69%
DeltaCheapest$561Average$732FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$672Average$821FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.