The cheapest times to fly from BWI to TKU are

  • January 8th to May 13th (except the weeks of April 2nd and April 9th)
  • August 27th to September 30th
  • October 22nd to December 2nd (except the week of November 19th)

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 TKU is early to mid February. Prices can be as high as $3773 for Saturday flights during mid December, or as low as $785 for Wednesday flights around early to mid February.


When to Fly to Turku

Flying from Baltimore, MD (BWI) to Turku (TKU) will usually cost between $789 to $1375 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid February with an average ticket price of $821. Due to high demand the most expensive time to fly is mid December, with an average price of $1732. Planning your trip to low-cost times can easily save you $911 on economy flights and even more on first-class flights. Generally, any price below $851 can be considered a good price for a round-trip BWI to TKU flight.

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

BWI to TKU Flight Prices

Compared to other flights, the BWI to TKU 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 $0.13, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to TKU, and Tuesday the cheapest day to fly back into BWI. Saturdays are the most expensive days to fly to Turku, and Fridays are the most expensive days to return to Baltimore. Selecting flights on the least expensive days could save you up to $161 (13%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $879. Return trip prices are from the TKU 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 TKU can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 31 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 TKU while comparing.

Destination alternative #1: Helsinki Vantaa Airport (HEL) in Helsinki

  • 93 miles (150 km) away from TKU
  • Usually 11.52% less expensive than TKU
  • 1-layover flights available

See BWI to HEL flights

Destination alternative #2: Lennart Meri Tallinn Airport (TLL) in Tallinn

  • 117 miles (188 km) away from TKU
  • Usually 10.22% less expensive than TKU
  • 2-layover flights available

See BWI to TLL flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 10 major airlines flying this route most often: Air Baltic, Air Canada, Air France, American, British Airways, Delta, Finnair, Iberia, SAS, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 4187 miles or 6738 kilometers.

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

The real-world flight time for a nonstop BWI to TKU flight is about 8 hour 31 minutes.

How many flights go between Baltimore, MD and Turku?

It depends on the day of the week and the date, but a typical day might have around 14 available flights from BWI to TKU.


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 TKU
Destination airport name Turku Airport
City Turku
Country Finland
Latitude 60.5
Longitude 22.3


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.