Dulles to Shannon (IAD–SNN) — Airlines, Schedules & Connections

IAD Airport Page →
3,299 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 2d ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Dulles to Shannon
Connecting service available through multiple hubs.
1 Flights/wk 3,299 mi 6h 5m nonstop +4h ahead 12 1-stop hubs

While no nonstop service exists between IAD and SNN, connecting options are available through 12 hubs.

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAD to SNN.
1-STOP
One-Stop Connections
12
Hubs
~7h
Fastest
~21h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
755
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
IAD → SNN
75%
Generally reliable. Most flights run on time.
Departing
75%
Return
SNN → IAD
88%
Generally reliable. Most flights run on time.
Arriving
88%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays →

Other ways to reach Shannon from Dulles

Nearby airports with service to Shannon Airport.
Metric IAD→SNN BWI→SNN
Distance from IAD 45 mi
Nonstop airlines 0 1
Weekly flights 1 1
Flight time 6h 5m 5h 37m
Departure OTP 75%
Airports within 200 miles of IAD with service to Shannon Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+4h
Shannon is 4 hours ahead of Dulles.
IAD: EDT · SNN: GMT

When it's 6:00 PM in Dulles, it's 10:00 PM in Shannon.
Distance & Flight Time
3,299 mi / 5,308 km
Nonstop flight time is approximately 6h 5m.
Visa & Entry

US passport holders enter Ireland visa-free for up to 90 days. No advance application is needed. Ireland is an EU member but not in the Schengen area, so time spent in Ireland does not count against any Schengen 90-day limit. Passport must be valid for the duration of the stay (Ireland has no minimum validity requirement beyond the trip dates). At Dublin Airport (DUB), Shannon (SNN), or Cork (ORK), immigration stamps your passport and may ask about your accommodation and return plans.

Ireland is part of the Common Travel Area (CTA) with the United Kingdom, Jersey, Guernsey, and the Isle of Man. There are no routine immigration checks on travel between Ireland and the UK, but you still need valid identification. Northern Ireland (part of the UK) is freely accessible from the Republic with no border controls. The Wild Atlantic Way (2,500km coastal driving route) and the Ring of Kerry are among Europe's best road trips.

Direct flights from New York JFK to Dublin run about 6 hours 30 minutes on Aer Lingus, Delta, and United. Boston (BOS) to Dublin runs about 5 hours 30 minutes. Direct service also operates from Chicago, Newark, Philadelphia, Los Angeles, San Francisco, and Washington Dulles. Ireland uses the euro, trading at roughly $1.08 per EUR 1. The Leap Card works on Dublin Bus, Luas tram, and DART commuter rail at EUR 1.70 to EUR 3.30 per trip. The Airlink Express bus 747 runs from Dublin Airport to the city center in 30 minutes for EUR 8 ($8.65). Pub culture is part of daily life: a pint costs EUR 5.50 to EUR 7.50 ($5.95 to $8.10) depending on location.

Getting to IAD

WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).

IAD–SNN Quick Facts

Key statistics for the Dulles to Shannon route.
Route details
Distance3,299 mi / 5,308 km
Flight time6h 5m
Time difference+4 hours
Airlines (nonstop)0
Weekly flights1 out / 1 return
1-stop connections12 hubs
Origin: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: SNN
IATA / ICAOSNN / EINN
TimezoneEurope/Dublin
Passengers/yr2.1M
Elevation46 ft / 14 m

Frequently Asked Questions

Common questions about IAD to SNN flights.
Nonstop flights from Washington Dulles International Airport to Shannon Airport take approximately 6h 5m. The route covers 3,299 miles.
There are approximately 1 nonstop flights per week from IAD to SNN. The return direction has about 1 weekly flights.
Yes, 1-stop connections are available through BWI, ILM, YYZ, EDI, MAD, BUD, MIA, CDG, LHR, EWR, BOS and JFK. These options provide additional schedule flexibility.
Shannon is 4 hours ahead of Dulles.
Yes, return flights from SNN to IAD are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include BWI. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from IAD to SNN

Washington Dulles International Airport (IAD) and Shannon Airport (SNN) are connected through multiple connecting hub airports.

IAD to SNN Flight Duration and Schedule

Nonstop flight time from IAD to SNN ranges from 6 hours 5 minutes. The route covers a distance of 3,299 miles (5,308 km). There are approximately 1 weekly flights outbound and 1 return, totaling 2 flights per week in both directions.

Connecting Options and Alternatives

12 one-stop connections are available, with the fastest taking approximately 7 hours via BWI. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Baltimore (BWI).