The cheapest times to fly from WYS to BOS are

  • May 21st to June 10th
  • July 9th to July 29th

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 WYS to BOS is late May. Prices can be as high as $951 for Sunday flights during early August, or as low as $503 for Wednesday flights around late May.


When to Fly to Boston

Flying from West Yellowstone, MT (WYS) to Boston, MA (BOS) will usually cost between $535 to $837 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late May with an average ticket price of $553. Due to high demand the most expensive time to fly is early August, with an average price of $716. Planning your trip to low-cost times can easily save you $163 on economy flights and even more on first-class flights. Generally, any price below $632 can be considered a good price for a round-trip WYS to BOS flight.

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

WYS to BOS Flight Prices

Compared to other flights, the WYS to BOS flight is cheaper than the average and costs less than the average flight leaving from West Yellowstone. The average price per mile (for a direct flight) is $0.2, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly to Boston, and Saturdays are the most expensive days to return to West Yellowstone. Selecting flights on the least expensive days could save you up to $180 (22%) 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 $577. Return trip prices are from the BOS to WYS 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 WYS to BOS can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 34 minutes may not be realistic.


Flight Hacking WYS to BOS

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 WYS to BOS — but Champion Traveler does!

Hack #1: Salt Lake City, UT (WYS > SLC > BOS)

  • Price for both tickets: $566
  • Average savings: $67 (10.52%)

See WYS to SLC flights


Flight Questions Answered

Still have questions about flying from WYS to BOS? We’ve got answers.

Which airlines fly this route?

You can find 1 major airline flying this route most often: Delta, and potentially more during busy seasons.

How far away is it from Logan International Airport to Yellowstone Airport?

The distance between the two airports is roughly 1995 miles or 3211 kilometers.

How long does it take to fly from WYS to BOS?

The real-world flight time for a nonstop WYS to BOS flight is about 4 hour 34 minutes.

How many flights go between West Yellowstone, MT and Boston, MA?

It depends on the day of the week and the date, but a typical day might have around 18 available flights from WYS to BOS.


Airport Location Info


Departing Airport

Origination codeWYS
Origination airport nameYellowstone Airport
CityWest Yellowstone, MT
Countrythe United States

Return Airport

Destination codeBOS
Destination airport nameLogan International Airport
CityBoston, MA
Countrythe United States


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.