$87 Cheap Flights from Boston (BOS) to Salt Lake City (SLC)

Popular airlines from Logan International Airport (BOS) to Salt Lake City International Airport (SLC)

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Cheap Flights from Boston to Salt Lake City (BOS-SLC)

Prices were available within the past 7 days and start at $87 for one-way flights and $228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Spirit Airlines
Alaska Airlines
United
Spirit Airlines
JetBlue Airways
Spirit Airlines
JetBlue Airways
Southwest Airlines

Find the cheapest month to fly from Boston (BOS) to Salt Lake City (SLC)

September is typically the cheapest month to fly

From $173 - $303 per traveler.

Graph displaying average flight prices per month

Alternative airports near Salt Lake City

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Boston (BOS) to Salt Lake City (SLC)
Origin airport
Logan Intl.
Destination airport
Salt Lake City Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$227
Distance
2099 mi
Average flight time
3 hours 24 mins

Boston to Salt Lake City Flights

The cheapest times to fly from Boston to Salt Lake City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Salt Lake City are during the month of September. You can find some of the cheapest flights from Boston to Salt Lake City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Salt Lake City

Sunday is one of the best days to book for cheap flights from Boston to Salt Lake City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Salt Lake City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Salt Lake City in 2025. You can also book with separate airlines for your outbound and return journeys, from $87 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Salt Lake City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Salt Lake City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC) cost?
Cheap round-trip flights from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC) start from $257. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a JetBlue Airways flight leaving BOS on August 18 2025 and touching down at SLC. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BOS to SLC?
The cheapest flights from BOS to SLC are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC)?
You can fly straight from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC) on a Delta Air Lines flight.
What is the cheapest airline that flies from BOS to SLC?
Currently, the cheapest airline operating one-way flights from BOS to SLC is JetBlue Airways. You can take off on this route from $139. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BOS on September 2 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC)?
With an average of 2 nonstop flights that operate from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC) every day, you'll be taking off on vacation soon enough.
What are the most popular departure times for flights from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC)?
Flights between BOS and SLC tend to be busiest at 6 AM. If you're after a less crowded experience and possibly cheaper tickets, choose a departure outside the usual busy windows.
What day of the week has the most flights from BOS to SLC?
Travel on a Friday if you're looking for the best selection of flights from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC).
What is the earliest flight from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC)?
Logan Intl. Airport (BOS)'s earliest flight to Salt Lake City Intl. Airport (SLC) departs at approximately 6:15AM UTC-5. With a total journey time of 5h 56m, you'll arrive at around 10:11AM UTC-7.
How long does it take to fly from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC)?
Flights from BOS to SLC have an average travel time of 5 hours and 49 minutes. The distance between the two is 2,100 mi.
What airline has the least delays from BOS to SLC?
With 81% of journeys typically landing on time, Delta Air Lines has the best on-time performance for direct flights from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC). To monitor your flight status and get notifications if anything changes, head to the Expedia App.
What is the best time to fly from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC)?
To touch down at Salt Lake City Intl. Airport (SLC) without delays, book a flight that leaves from Logan Intl. Airport (BOS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Salt Lake City from Logan Intl. Airport (BOS)?
Browse your flight options from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC). This is the only airport in Salt Lake City you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC) last-minute?
Last-minute fares from BOS to SLC are usually more expensive. For the best rates, start searching for flights ahead of time. That said, if you can play around with your travel dates, you may find a cheap fare right before you leave.
Is it cheaper to book a BOS to SLC flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOS to SLC flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place takes the hassle out of planning your trip. Simply secure your flights and select from our extensive range of hotels, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Salt Lake City Intl. Airport (SLC)?
It's usually possible to cancel or reschedule your BOS to SLC flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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