IAD - SNN

$354 Find Cheap Flights from Washington Dulles Airport to Shannon - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$763
Typical prices: $737-$1,193
United Airlines
Fri 4/13Sat 4/21
IAD - SNN • 1 stop
Cheapest one-way
$354
Typical prices: $463-$633
United Airlines
Wed 4/11
IAD - SNN • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Shannon. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
March
Cheapest • 49% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Newark (EWR)
Cheapest • Avg $790 (round-trip)
New York John F Kennedy Intl (JFK)
Shortest trip • 10h 37m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Dulles Intl to Shannon (IAD-SNN)

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

Recent round-trip flight deals from Dulles Intl to Shannon

Tue, Apr 13 - Wed, Apr 21
United Airlines Logo
5:20 pm - 10:15 amIAD  Washington, D.C. Dulles Intl-SNN Shannon
11h 55m1 stop Newark
United Airlines Logo
12:30 pm - 8:33 pmSNN  Shannon-IAD Washington, D.C. Dulles Intl
13h 03m1 stop Newark
$763United Airlines
Sun, Apr 11 - Wed, Apr 21
United Airlines Logo
5:20 pm - 10:15 amIAD  Washington, D.C. Dulles Intl-SNN Shannon
11h 55m1 stop Newark
United Airlines Logo
12:30 pm - 11:00 pmSNN  Shannon-IAD Washington, D.C. Dulles Intl
15h 30m1 stop Newark
$763United Airlines
Wed, Apr 14 - Wed, Apr 21
United Airlines Logo
5:20 pm - 10:15 amIAD  Washington, D.C. Dulles Intl-SNN Shannon
11h 55m1 stop Newark
United Airlines Logo
12:30 pm - 8:33 pmSNN  Shannon-IAD Washington, D.C. Dulles Intl
13h 03m1 stop Newark
$763United Airlines
Mon, Apr 12 - Wed, Apr 21
United Airlines Logo
5:20 pm - 10:15 amIAD  Washington, D.C. Dulles Intl-SNN Shannon
11h 55m1 stop Newark
United Airlines Logo
12:30 pm - 11:00 pmSNN  Shannon-IAD Washington, D.C. Dulles Intl
15h 30m1 stop Newark
$763United Airlines
Thu, Apr 8 - Sun, Apr 18
Multiple Airlines Logo
5:00 pm - 4:10 pmIAD  Washington, D.C. Dulles Intl-SNN Shannon
18h 10m1 stop Madrid Barajas
Multiple Airlines Logo
3:45 pm - 7:00 pmSNN  Shannon-IAD Washington, D.C. Dulles Intl
32h 15m2 stops Madrid Barajas Casablanca Mohamed V
$851Multiple Airlines
Tue, Apr 6 - Wed, Apr 14
Multiple Airlines Logo
8:30 pm - 8:20 pmIAD  Washington, D.C. Dulles Intl-SNN Shannon
18h 50m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
4:25 pm - 3:30 pmSNN  Shannon-IAD Washington, D.C. Dulles Intl
28h 05m1 stop Madrid Barajas
$871Multiple Airlines
Mon, Mar 1 - Tue, Mar 16
Multiple Airlines Logo
7:40 pm - 6:00 pmIAD  Washington, D.C. Dulles Intl-SNN Shannon
17h 20m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
2:35 pm - 7:30 pmSNN  Shannon-IAD Washington, D.C. Dulles Intl
32h 55m2 stops London Stansted Reykjavik Keflavik Intl
$898Multiple Airlines
Mon, Nov 30 - Tue, Dec 15
American Airlines Logo
6:05 pm - 4:45 pmIAD  Washington, D.C. Dulles Intl-SNN Shannon
17h 40m1 stop London Heathrow
American Airlines Logo
2:40 pm - 4:34 pmSNN  Shannon-IAD Washington, D.C. Dulles Intl
30h 54m2 stops New York John F Kennedy Intl Charlotte Douglas
$964American Airlines
Thu, Apr 8 - Sat, Apr 17
American Airlines Logo
7:15 pm - 11:20 amIAD  Washington, D.C. Dulles Intl-SNN Shannon
11h 05m1 stop London Heathrow
American Airlines Logo
1:45 pm - 11:59 pmSNN  Shannon-IAD Washington, D.C. Dulles Intl
15h 14m2 stops Boston Logan Intl Charlotte Douglas
$1,097American Airlines
Tue, Apr 6 - Thu, Apr 15
American Airlines Logo
6:26 am - 5:25 amIAD  Washington, D.C. Dulles Intl-SNN Shannon
17h 59m2 stops Charlotte Douglas Boston Logan Intl
American Airlines Logo
1:45 pm - 11:59 pmSNN  Shannon-IAD Washington, D.C. Dulles Intl
15h 14m2 stops Boston Logan Intl Charlotte Douglas
$5,046American Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport to Shannon?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Shannon typically range from $737 to $1,193. The lowest price found in the past 5 days was $763, on United Airlines.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Shannon?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Shannon. It’s 50% cheaper than the average day, while Sunday is the most expensive, with prices 72% higher.

Find deals

Key details for Washington, D.C. Dulles Intl Airport to Shannon flights

Low season

January

Cheapest flight

$354
Beat the crowds with an average 88% drop in travelers.
The most popular month to fly with an average 66% increase in travelers.
One-way flight from Washington, D.C. Dulles Intl Airport to Shannon

When to book flights from Dulles Intl to Shannon

Are your dates flexible? Find out the best times to travel from Dulles Intl 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 Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport to Shannon?

    Three cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Shannon:

    • Economy Class
    • Business Class
    • First Class

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Shannon?

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Shannon takes 00m, covering 3,296 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport to Shannon flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Shannon range from $737 to $1,193, with an average of $975 over the past 12 months. Anything below $737 counts as a good deal.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Shannon looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Shannon are currently lower than usual. Average one-way flight prices are about $490, which is 10% 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 Washington, D.C. Dulles Intl Airport to Shannon?

    Flights from Washington, D.C. Dulles Intl Airport to Shannon usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Shannon (SNN).

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Shannon pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Shannon most commonly connect through:

    • New York John F Kennedy Intl (JFK) - 60% of one-stop connections
    • London Heathrow (LHR) - 22% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 17% of one-stop connections
    • Newark (EWR) - 2% of one-stop connections

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Shannon?

    Yes. Flexible dates can save you up to 71% on flights from Washington, D.C. Dulles Intl Airport to Shannon. Tuesday is the cheapest departure day at $493 round-trip on average, while Sunday is the most expensive at $1,684, a difference of $1,191.

    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 Washington, D.C. Dulles Intl Airport to Shannon?

    Flying via New York John F Kennedy Intl (JFK) gives the shortest average 1-stop total travel time at 10h 37m, compared with 12h 29m via Newark (EWR) and 12h 57m via London Heathrow (LHR).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Shannon?

    Shannon is 4 hours ahead of Washington, D.C. Dulles Intl Airport (Irish Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Washington, D.C. Dulles Intl Airport 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 Sunday. On this route, Tuesday flights average $493, about $1,191 less than Sunday fares (71% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Shannon trip for March. Fares historically average $493 round-trip in that month - typically $1,110 less than the most expensive month, which is June (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 Dulles Intl to Shannon

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

Car rentals in Shannon
Hotels in Shannon