Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Thunder Bay to Limerick as you normally would.
Related info for your journey
Useful info, stats and facts about Thunder Bay to Limerick flights.
For a flight from Thunder Bay to Limerick, you will be flying from Thunder Bay. Thunder Bay (YQT) is just 5.6 km from the centre of the city. Thunder Bay is the only Thunder Bay airport and it handles 0 outbound flights to Limerick per day. 0 airlines have flights to Limerick from Thunder Bay on a regular basis.
This is defined as Thunder Bay Airport (YQT) and Shannon Airport (SNN). Codes like Shannon Airport are often used to just call airports uniquely. Cork Airport (ORK), Knock Intl Airport (NOC), Milltown (Kerry) Kerry Airport (KIR), Galway Airport (GWY), Waterford Airport (WAT) are other airports near this flight route and their unique identifiers/IATA codes.