IAD - SNN

€318 Find Cheap Flights from Washington Dulles Airport to Shannon – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 35% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
€686
Typical prices: €662-€1,072
United Airlines
Thu 5/4Fri 13/4
IAD - SNN • 1 stop
Cheapest one-way flight
€318
Typical prices: €416-€568
United Airlines
Wed 11/4
IAD - SNN • 1 stop
Direct 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 stopover airports
Newark (EWR)
Cheapest • Avg €710 (return)
New York John F Kennedy Intl (JFK)
Shortest trip • 10h 37m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Shannon!
Flight Deals
Booking Insights
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 return flight deals from Dulles Intl to Shannon

Mon, 5 Apr - Tue, 13 Apr
United Airlines Logo
12:35 - 10:15IAD  Washington, D.C. Dulles Intl-SNN Shannon
16h 40m1 stop Newark
United Airlines Logo
12:30 - 23:00SNN  Shannon-IAD Washington, D.C. Dulles Intl
15h 30m1 stop Newark
€686United Airlines
Sun, 4 Apr - Thu, 15 Apr
United Airlines Logo
22:10 - 10:15IAD  Washington, D.C. Dulles Intl-SNN Shannon
31h 05m1 stop Newark
United Airlines Logo
12:30 - 23:00SNN  Shannon-IAD Washington, D.C. Dulles Intl
15h 30m1 stop Newark
€691United Airlines
Thu, 8 Apr - Thu, 15 Apr
United Airlines Logo
12:35 - 10:15IAD  Washington, D.C. Dulles Intl-SNN Shannon
16h 40m1 stop Newark
United Airlines Logo
12:30 - 23:00SNN  Shannon-IAD Washington, D.C. Dulles Intl
15h 30m1 stop Newark
€731United Airlines
Sun, 4 Apr - Sat, 17 Apr
United Airlines Logo
22:10 - 10:15IAD  Washington, D.C. Dulles Intl-SNN Shannon
31h 05m1 stop Newark
United Airlines Logo
12:30 - 20:33SNN  Shannon-IAD Washington, D.C. Dulles Intl
13h 03m1 stop Newark
€736United Airlines
Wed, 7 Apr - Sat, 10 Apr
United Airlines Logo
17:20 - 10:15IAD  Washington, D.C. Dulles Intl-SNN Shannon
11h 55m1 stop Newark
United Airlines Logo
12:30 - 20:33SNN  Shannon-IAD Washington, D.C. Dulles Intl
13h 03m1 stop Newark
€760United Airlines
Thu, 8 Apr - Sun, 18 Apr
Multiple Airlines Logo
17:00 - 16:10IAD  Washington, D.C. Dulles Intl-SNN Shannon
18h 10m1 stop Madrid Barajas
Multiple Airlines Logo
15:45 - 19:00SNN  Shannon-IAD Washington, D.C. Dulles Intl
32h 15m2 stops Madrid Barajas Casablanca Mohamed V
€764Multiple Airlines
Thu, 8 Apr - Sat, 17 Apr
United Airlines Logo
17:20 - 10:15IAD  Washington, D.C. Dulles Intl-SNN Shannon
11h 55m1 stop Newark
United Airlines Logo
12:30 - 20:33SNN  Shannon-IAD Washington, D.C. Dulles Intl
13h 03m1 stop Newark
€775United Airlines
Thu, 8 Apr - Sat, 17 Apr
United Airlines Logo
17:20 - 10:15IAD  Washington, D.C. Dulles Intl-SNN Shannon
11h 55m1 stop Newark
United Airlines Logo
12:30 - 20:33SNN  Shannon-IAD Washington, D.C. Dulles Intl
13h 03m1 stop Newark
€776United Airlines
Tue, 6 Apr - Wed, 14 Apr
Multiple Airlines Logo
20:30 - 20:20IAD  Washington, D.C. Dulles Intl-SNN Shannon
18h 50m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
16:25 - 15:30SNN  Shannon-IAD Washington, D.C. Dulles Intl
28h 05m1 stop Madrid Barajas
€782Multiple Airlines
Wed, 25 Nov - Wed, 2 Dec
Multiple Airlines Logo
19:40 - 20:10IAD  Washington, D.C. Dulles Intl-SNN Shannon
19h 30m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
10:15 - 15:15SNN  Shannon-IAD Washington, D.C. Dulles Intl
34h 00m3 stops London Stansted Barcelona-El Prat Lisbon Humberto Delgado
€810Multiple 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 return flight from Washington, D.C. Dulles Intl Airport to Shannon?

Return flights from Washington, D.C. Dulles Intl Airport to Shannon typically range from €662 to €1,072. The lowest price found in the past 5 days was €686 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

€318
Beat the crowds with an average 88% drop in travellers.
The most popular month to fly with an average 66% increase in travellers.
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 return 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.

  • Which cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Shannon?

    Only Economy class is available on flights from Washington, D.C. Dulles Intl Airport to Shannon.

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

    A direct flight from Washington, D.C. Dulles Intl Airport to Shannon takes 00m, covering 8,537 km.

  • 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?

    Return flights from Washington, D.C. Dulles Intl Airport to Shannon range from €662 to €1,072, with an average of €875 over the past 12 months. Anything below €662 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 €440, which is 10% below the typical average for this route.

  • Which car hire options are available at Shannon Airport (SNN)?

    Shannon Airport (SNN) hosts 5 major car hire companies, with daily rates starting from around €30 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 €443 return on average, while Sunday is the most expensive at €1,512, a difference of €1,070.

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

  • How much time can I save by choosing a different stopover 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 of 10h 37m, compared to 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 €443, about €1,070 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 €443 return in that month – typically €997 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, Shannon
    • Carrygerry Country House

More options for your flight from Dulles Intl to Shannon

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

Car hire in Shannon
Hotels in Shannon
Holidays in Shannon