The cheapest times to fly from BWI to ITO are

  • January 1st to March 4th (except the week of February 12th)
  • August 6th to December 9th (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 ITO is mid to late September. Prices can be as high as $1625 for Saturday flights during late December, or as low as $650 for Tuesday flights around mid to late September.


When to Fly to Hilo

Flying from Baltimore, MD (BWI) to Hilo, HI (ITO) will usually cost between $721 to $1315 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $710. Due to high demand the most expensive time to fly is late December, with an average price of $1237. Planning your trip to low-cost times can easily save you $527 on economy flights and even more on first-class flights. Generally, any price below $880 can be considered a good price for a round-trip BWI to ITO flight.

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

BWI to ITO Flight Prices

Compared to other flights, the BWI to ITO 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 $0.11, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. 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 $229 (20%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $825. Return trip prices are from the ITO 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 ITO can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 33 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 ITO while comparing.

Destination alternative #1: Kahului Airport (OGG) in Kahului, HI

  • 121 miles (195 km) away from ITO
  • Usually 30.91% less expensive than ITO
  • 1-layover flights available

See BWI to OGG flights

Destination alternative #2: Ellison Onizuka Kona International at Keahole Airport (KOA) in Kona, HI

  • 65 miles (105 km) away from ITO
  • Usually 7.61% less expensive than ITO
  • 1-layover flights available

See BWI to KOA flights


Flight Hacking BWI to ITO

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 ITO — but Champion Traveler does!

Hack #1: Kahului, HI (BWI > OGG > ITO)

  • Price for both tickets: $790
  • Average savings: $90 (10.23%)

See BWI to OGG flights

Hack #2: Honolulu, HI (BWI > HNL > ITO)

  • Price for both tickets: $809
  • Average savings: $71 (8.07%)

See BWI to HNL flights

Hack #3: Los Angeles, CA (BWI > LAX > ITO)

  • Price for both tickets: $844
  • Average savings: $36 (4.09%)

See BWI to LAX flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Alaska, American, Delta, Hawaiian, JetBlue, Southwest, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 4759 miles or 7659 kilometers.

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

The real-world flight time for a nonstop BWI to ITO flight is about 9 hour 33 minutes.

How many flights go between Baltimore, MD and Hilo, HI?

It depends on the day of the week and the date, but a typical day might have around 61 available flights from BWI to ITO.


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 ITO
Destination airport name Hilo International Airport
City Hilo, HI
Country the United States
Latitude 19.7
Longitude -155


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.