The cheapest times to fly from BWI to SNN are

  • September 3rd to April 1st (except the weeks of October 8th, December 17th, December 24th, and March 12th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BWI to SNN is early December. Prices can be as high as $1263 for Saturday flights during mid July, or as low as $591 for Monday flights around early December.


When to Fly to Shannon

Flying from Baltimore, MD (BWI) to Shannon (SNN) will usually cost between $633 to $1046 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $612. Due to high demand the most expensive time to fly is mid July, with an average price of $1135. Planning your trip to low-cost times can easily save you $524 on economy flights and even more on first-class flights. Generally, any price below $840 can be considered a good price for a round-trip BWI to SNN flight.

See below for a graph of average weekly prices for the BWI to SNN route. All prices are for round-trip tickets in USD.

BWI to SNN Flight Prices

Compared to other flights, the BWI to SNN flight is cheaper than the average and costs less than the average flight leaving from Baltimore. The average price per mile (for a direct flight) is $0.16, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to SNN, and Wednesday the cheapest day to fly back into BWI. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $42 (5%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $832. Return trip prices are from the SNN to BWI flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from BWI to SNN can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 6 hour 50 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BWI to SNN while comparing.

Destination alternative #1: Dublin Airport (DUB) in Dublin

  • 121 miles (195 km) away from SNN
  • Usually 1.73% less expensive than SNN
  • 1-layover flights available

See BWI to DUB flights


Flight Hacking BWI to SNN

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from BWI to SNN — but Champion Traveler does!

Hack #1: London (BWI > LHR > SNN)

  • Price for both tickets: $689
  • Average savings: $151 (17.98%)

See BWI to LHR flights

Hack #2: London (BWI > LGW > SNN)

  • Price for both tickets: $728
  • Average savings: $112 (13.33%)

See BWI to LGW flights

Hack #3: New York, NY (BWI > JFK > SNN)

  • Price for both tickets: $747
  • Average savings: $94 (11.13%)

See BWI to JFK flights


Flight Questions Answered

Still have questions about flying from BWI to SNN? We’ve got answers.

Which airlines fly this route?

You can find 12 major airlines flying this route most often: Aer Lingus, Air Canada, Air France, American, British Airways, Delta, Finnair, Iberia, JetBlue, KLM, Lufthansa, United, and potentially more during busy seasons.

How far away is it from Shannon Airport to Baltimore/Washington International Thurgood Marshall Airport?

The distance between the two airports is roughly 3255 miles or 5238 kilometers.

How long does it take to fly from BWI to SNN?

The real-world flight time for a nonstop BWI to SNN flight is about 6 hour 50 minutes.

How many flights go between Baltimore, MD and Shannon?

It depends on the day of the week and the date, but a typical day might have around 56 available flights from BWI to SNN.


Airport Location Info


Departing Airport

Origination code BWI
Origination airport name Baltimore/Washington International Thurgood Marshall Airport
City Baltimore, MD
Country the United States
Latitude 39.2
Longitude -76.7

Return Airport

Destination code SNN
Destination airport name Shannon Airport
City Shannon
Country Ireland
Latitude 52.7
Longitude -8.9


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.