Cheap flights from Boston to Salt Lake City from $137

In general, July is the cheapest month to fly from Boston to Salt Lake City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $358. If you are unable to visit Salt Lake City during the month of July, then departing from Boston during the month August is also very affordable. Most momondo users find prices during this month for around $382.

On average, the least expensive day to fly to Salt Lake City from Boston is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $464. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Salt Lake City on Sunday is $553.

Our most recent data shows that the best time of day to fly to Salt Lake City is in the evening. Flights from Boston to Salt Lake City during this time can be as low as $382. At noon is when there is more demand to fly to Salt Lake City, so prices are often more expensive at around $708 per ticket.

Fly from Boston Logan Intl to Salt Lake City for the best Boston Logan Intl - Salt Lake City flight prices

You are more likely to see cheaper flights to Salt Lake City from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Salt Lake City for around $474 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Salt Lake City from Boston for as low as $380 on momondo.

There are 4 cabin classes available to choose from on Boston Logan Intl to Salt Lake City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, Alaska Airlines, and Southwest are the most popular carriers operating from Boston Logan Intl to Salt Lake City

Delta, JetBlue and American Airlines are the top three most popular airlines that fly to Salt Lake City from Boston according to our data. Delta is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Salt Lake City. Keep in mind that there are 7 different airlines that fly to Salt Lake City on a routine basis, so you have a few additional options to choose from.

Chicago (ORD) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $326.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 10m.

Chicago (MDW) has the shortest average layover time for this route: 0h 55m.

As of March 2026, there are 4 flights per day flying from Boston to Salt Lake City. The most common time of day flights depart is 5:00PM, with 42% of flights taking off at noon.

The number of flights available between Boston and Salt Lake City is 34 per week as of March 2026. The most frequent departure day is Thu, with 41% of weekly flights leaving on this day.