DEN - SNN

$341 Find Cheap Flights from Denver to Shannon - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$722
Typical prices: $685-$984
United Airlines
Wed 5/2Sat 5/12
DEN - SNN • 1 stop
Cheapest one-way
$341
Typical prices: $370-$499
Multiple Airlines
Thu 4/12
DEN - SNN • 3 stops
When to travel
January
Cheapest • 26% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
London Heathrow (LHR)
Cheapest • Avg $721 (round-trip)
Newark (EWR)
Shortest trip • 13h 09m (one-way)
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Insights
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Flight Deals

Cheap Flights from Denver to Shannon (DEN-SNN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Denver to Shannon

Sun, May 2 - Wed, May 12
United Airlines Logo
6:00 am - 10:15 amDEN  Denver Intl-SNN Shannon
21h 15m1 stop Newark
United Airlines Logo
12:30 pm - 11:28 pmSNN  Shannon-DEN Denver Intl
17h 58m1 stop Newark
$722United Airlines
Sun, May 2 - Wed, May 12
United Airlines Logo
6:15 am - 10:15 amDEN  Denver Intl-SNN Shannon
21h 00m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:30 pm - 9:52 pmSNN  Shannon-DEN Denver Intl
16h 22m2 stops Newark Houston George Bush Intcntl
$727United Airlines
Sun, May 2 - Wed, May 12
United Airlines Logo
11:59 pm - 10:15 amDEN  Denver Intl-SNN Shannon
27h 16m2 stops Orlando Newark
United Airlines Logo
12:30 pm - 11:28 pmSNN  Shannon-DEN Denver Intl
17h 58m1 stop Newark
$727United Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
3:40 pm - 4:45 pmDEN  Denver Intl-SNN Shannon
18h 05m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
7:50 am - 6:00 pmSNN  Shannon-DEN Denver Intl
17h 10m2 stops London Heathrow Reykjavik Keflavik Intl
$932Multiple Airlines
Sun, Mar 21 - Sat, Mar 27
Air Canada Logo
11:25 am - 11:30 amDEN  Denver Intl-SNN Shannon
18h 05m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow
Air Canada Logo
5:10 pm - 10:28 amSNN  Shannon-DEN Denver Intl
47h 18m2 stops London Heathrow Toronto Pearson Intl
$965Air Canada
Sat, Mar 13 - Sun, Mar 21
Multiple Airlines Logo
1:30 pm - 11:30 amDEN  Denver Intl-SNN Shannon
15h 00m2 stops Toronto Pearson Intl London Heathrow
Multiple Airlines Logo
7:50 am - 12:35 pmSNN  Shannon-DEN Denver Intl
34h 45m2 stops London Heathrow Vancouver Intl
$996Multiple Airlines
Thu, Dec 10 - Mon, Dec 21
British Airways Logo
5:05 pm - 7:25 pmDEN  Denver Intl-SNN Shannon
19h 20m1 stop London Heathrow
British Airways Logo
8:05 pm - 3:32 pmSNN  Shannon-DEN Denver Intl
26h 27m2 stops London Heathrow Dallas/Fort Worth
$1,052British Airways
Fri, Dec 11 - Mon, Dec 21
British Airways Logo
5:01 pm - 3:45 pmDEN  Denver Intl-SNN Shannon
15h 44m1 stop London Heathrow
British Airways Logo
8:05 pm - 3:32 pmSNN  Shannon-DEN Denver Intl
26h 27m2 stops London Heathrow Dallas/Fort Worth
$1,052British Airways
Fri, Dec 11 - Sun, Dec 20
American Airlines Logo
5:01 pm - 3:45 pmDEN  Denver Intl-SNN Shannon
15h 44m1 stop London Heathrow
American Airlines Logo
2:40 pm - 12:32 amSNN  Shannon-DEN Denver Intl
16h 52m2 stops New York John F Kennedy Intl Chicago O'Hare Intl
$1,122American Airlines
Fri, Dec 11 - Sun, Dec 20
American Airlines Logo
12:08 pm - 11:30 amDEN  Denver Intl-SNN Shannon
16h 22m2 stops Philadelphia London Heathrow
American Airlines Logo
2:40 pm - 12:32 amSNN  Shannon-DEN Denver Intl
16h 52m2 stops New York John F Kennedy Intl Chicago O'Hare Intl
$1,126American Airlines
Booking Insights

Price, demand and travel trends for Denver to Shannon flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Denver to Shannon?

Round-trip flights from Denver to Shannon typically range from $685 to $984. The lowest price found in the past 5 days was $722, on United Airlines.

What's the cheapest day of the week to fly from Denver to Shannon?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Denver to Shannon. It’s 14% cheaper than the average day, while Friday is the most expensive, with prices 25% higher.

What’s the cheapest month to fly from Denver to Shannon?

•January is the cheapest month to fly from Denver to Shannon at $599 round-trip.
•November ($1,445) and June ($1,077) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 141% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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Key details for Denver to Shannon flights

Low season

December

Cheapest flight

$341
Beat the crowds with an average 92% drop in travelers.
The most popular month to fly with an average 83% increase in travelers.
One-way flight from Denver to Shannon

When to book flights from Denver to Shannon

Are your dates flexible? Find out the best times to travel from Denver to Shannon based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Denver to Shannon flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Denver to Shannon?

    Two cabin classes are available on flights from Denver to Shannon:

    • Economy Class
    • Premium Economy Class

  • How long is a flight from Denver to Shannon?

    There are currently no nonstop flights available from Denver to Shannon. Flights with 1 layover take between 13h 09m and 16h 59m in total, depending on the connection.

  • Do I need a passport to fly from Denver to Shannon?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Denver to Shannon flight?

    Round-trip flights from Denver to Shannon range from $685 to $984, with an average of $804 over the past 12 months. Anything below $685 counts as a good deal.

  • Have flight prices from Denver to Shannon changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $722 to $2,746. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Denver to Shannon looking right now?

    One-way fares from Denver to Shannon are currently lower than usual. Average one-way flight prices are about $383, which is 16% below the typical average for this route.

  • What car rental options are available at Shannon Airport (SNN)?

    Shannon Airport (SNN) hosts 5 major car rental companies, with daily rates averaging $33 for economy cars. Top options include:

    • Budget
    • Sixt
    • Europcar
    • Easirent
    • Thrifty

  • Which airports can I use when flying from Denver to Shannon?

    Flights from Denver to Shannon usually depart from Denver Intl (DEN) and arrive at Shannon (SNN).

  • Which airports do connecting flights from Denver to Shannon pass through?

    One-stop flights from Denver to Shannon most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 39% of one-stop connections
    • Newark (EWR) - 30% of one-stop connections
    • London Heathrow (LHR) - 25% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Denver to Shannon?

    Yes. Flexible dates can save you up to 31% on flights from Denver to Shannon. Tuesday is the cheapest departure day at $698 round-trip on average, while Friday is the most expensive at $1,007, a difference of $309.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Denver to Shannon?

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 13h 09m, compared with 13h 51m via Chicago O'Hare Intl (ORD) and 15h 19m via London Heathrow (LHR).

  • What is the time difference between Denver and Shannon?

    Shannon is 7 hours ahead of Denver (Irish Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Denver to Shannon flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Friday. On this route, Tuesday flights average $698, about $309 less than Friday fares (31% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Denver to Shannon trip for January. Fares historically average $599 round-trip in that month - typically $846 less than the most expensive month, which is November (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Shannon Airport.

    • Park Inn by Radisson Shannon Airport
    • Treacys Oakwood Hotel
    • Carrygerry Country House

More options for your flight from Denver to Shannon

Complete your trip to Shannon with a hotel stay or car rental

Car rentals in Shannon
Hotels in Shannon