HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Salt Lake City

$149+ Cheap flights from Boston to Salt Lake City (BOS - SLC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SLC
juil. 8 — juil. 151
mar. 7/8
mar. 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Salt Lake City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boston Logan Intl to Salt Lake City are usually found in August or September, booked 48 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Boston to Salt Lake City

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Salt Lake City (SLC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated juillet 3, 2025.

Round-trip from

$272
(JetBlue)

One-way from

$149
(Delta)

Popular in

December

Cheapest in

August

Average price

$381

Good round-trip deal

$328 or less

Good one-way deal

$200 or less
From Boston Logan Intl to Salt Lake City
Search Deals
One-way flight from Boston Logan Intl to Salt Lake City
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Salt Lake City.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Salt Lake City.
Search Deals

Find flight deals from Boston to Salt Lake City

Cheapest flights from Boston to Salt Lake City
Explore the most affordable flight options available from Boston to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 3, 2025.

This JetBlue deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/165:48 pmBOS - SLC
Nonstop5h 35mJetBlue
dim. 8/2410:39 pmSLC - BOS
Nonstop4h 33mJetBlue
Deal found 7/3$272
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/155:28 amBOS - SLC
1 stop9h 03mAmerican Airlines
ven. 8/226:00 amSLC - BOS
1 stop7h 07mAmerican Airlines
Deal found 7/1$276
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/316:00 amBOS - SLC
Nonstop5h 20mDelta
lun. 8/411:40 pmSLC - BOS
Nonstop4h 35mDelta
Deal found 7/2$277
This Cheapflightsfares deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/36:30 amBOS - SLC
1 stop6h 58mSpirit Airlines
ven. 9/1212:58 pmSLC - BOS
1 stop7h 35mSpirit Airlines
Deal found 7/1$285
This Frontier deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/68:38 amBOS - SLC
2 stops15h 48mFrontier
dim. 9/79:45 pmSLC - BOS
2 stops10h 13mFrontier
Deal found 6/30$299
This Southwest deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/55:40 amBOS - SLC
2 stops9h 50mSouthwest
ven. 8/810:00 amSLC - BOS
1 stop10h 35mSouthwest
Deal found 6/30$303
This Orbitz deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/278:38 amBOS - SLC
2 stops15h 48mMultiple Airlines
mar. 9/301:35 pmSLC - BOS
1 stop8h 52mMultiple Airlines
Deal found 7/2$305
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/46:55 pmBOS - SLC
1 stop17h 24mAlaska Airlines
mer. 9/101:35 pmSLC - BOS
1 stop8h 52mAlaska Airlines
Deal found 7/2$316

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Salt Lake City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated juillet 3, 2025.
Use the filters below to find and compare flights from Boston to Salt Lake City that are best for you.

Fly from

Boston

Fly to

Salt Lake City

Route

Depart

Return

Price

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

sam. 8/16

5:48 pm-9:23 pm

Nonstop5h 35m

Salt Lake City

dim. 8/24

10:39 pm-5:12 am

Nonstop4h 33m

$272

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

ven. 8/15

5:28 am-12:31 pm

1 stop9h 03m

Salt Lake City

ven. 8/22

6:00 am-3:07 pm

1 stop7h 07m

$276

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

jeu. 7/31

6:00 am-9:20 am

Nonstop5h 20m

Salt Lake City

lun. 8/4

11:40 pm-6:15 am

Nonstop4h 35m

$277

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

mer. 9/3

6:30 am-11:28 am

1 stop6h 58m

Salt Lake City

ven. 9/12

12:58 pm-10:33 pm

1 stop7h 35m

$285

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

sam. 9/6

8:38 am-10:26 pm

2 stops15h 48m

Salt Lake City

dim. 9/7

9:45 pm-9:58 am

2 stops10h 13m

$299

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

mar. 8/5

5:40 am-1:30 pm

2 stops9h 50m

Salt Lake City

ven. 8/8

10:00 am-10:35 pm

1 stop10h 35m

$303

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

sam. 9/27

8:38 am-10:26 pm

2 stops15h 48m

Salt Lake City

mar. 9/30

1:35 pm-12:27 am

1 stop8h 52m

$305

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

jeu. 9/4

6:55 pm-10:19 am

1 stop17h 24m

Salt Lake City

mer. 9/10

1:35 pm-12:27 am

1 stop8h 52m

$316

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

jeu. 7/17

6:00 am-9:20 am

Nonstop5h 20m

$149

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

mar. 9/2

6:09 pm-9:44 pm

Nonstop5h 35m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 16 results
1
2

Best time to book a flight from Boston to Salt Lake City

Have a flexible travel schedule? Discover the best time to fly to Salt Lake City from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Salt Lake City

How far ahead should I book a flight from Boston to Salt Lake City?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Salt Lake City. Price data was last updated on June 27, 2025.

The price you pay for your flight from Boston to Salt Lake City may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to Salt Lake City?

Currently, October is the cheapest month in which you can book a flight from Boston to Salt Lake City (average of $277). Flying from Boston to Salt Lake City in March is currently the most expensive (average of $417). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to SLC?

Find hourly flight availability from Boston to Salt Lake City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juillet 3, 2025.

One of the essential ways to save on airfare from Boston to Salt Lake City is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 29% on airfare.

What is the cheapest day to fly from Boston to Salt Lake City?

Use this chart to determine the cheapest time to fly round-trip from Boston to Salt Lake City. Price data was last updated on June 29, 2025.

Travelers seeking maximum savings on their Boston to Salt Lake City flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Salt Lake City

Explore weekly flight availability from Boston to Salt Lake City. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated juillet 3, 2025.

The most flights from BOS to SLC are scheduled on a Monday (17 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (9 on average).

Reviews of airlines servicing Salt Lake City

Get insights into the airlines that provide service to Salt Lake City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Salt Lake City. Reviews last updated juillet 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Boston to Salt Lake City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Boston to Salt Lake City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Boston to Salt Lake City?

    To fly from Boston to Salt Lake City, you need to book a flight from Logan Intl (BOS) to Salt Lake City (SLC). Nonstop flights to Salt Lake City from Boston Logan Intl take 5h 13m on average. When it comes time to book airfare, you have a few options: there are 14 outbound flights from Logan Intl to Salt Lake City offered by 7 different airlines.

  • What are the cheapest airlines flying from Boston to Salt Lake City round-trip?

    Flying on JetBlue is currently your cheapest option to Salt Lake City, with prices starting at $272. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $276 and $277, respectively. These flights start at 38% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Boston to Salt Lake City one-way?

    The cheapest airlines for a one-way flight from Boston to Salt Lake City are Delta ($149), JetBlue ($154), and Spirit Airlines ($155).

  • What are the most reliable airlines from Boston to Salt Lake City?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Salt Lake City on time: Korean Air (100%), Delta (85%), Aeromexico (85%).

  • What are the cheapest flights from Boston to Salt Lake City?

    The cheapest flight price from Boston to Salt Lake City is $153. On average you can expect to pay $966. The most popular route, (Boston Logan Intl - Salt Lake City), can usually be booked for $256.

  • Where are the most common layover locations when flying from Boston to Salt Lake City?

    Flights departing from Boston and landing in Salt Lake City layover in Denver most frequently.

  • What are some popular things to do or see while on a layover in Denver?

    Most Denver visitors opt to spend their time experiencing Coors Field, Paramount Theatre, and Larimer Square. Coors Field, Paramount Theatre and Larimer Square are located about 18.4 mi, 18.6 mi, and 18.9 mi, respectively from Denver Intl if you are interested in checking them out. Travelers can book a car rental at Denver Intl for about $56 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Boston to Salt Lake City flights?

    The least popular layover on flights from Boston to Salt Lake City is Chicago.

  • Can I find deals for flights from Boston to Salt Lake City that include hotel bookings?

    Yes. In addition to deals on Boston to Salt Lake City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Salt Lake City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Salt Lake City.

  • Can I find deals for business class flights from Boston to Salt Lake City?

    Yes. Cheapflights offers flight deals from Boston to Salt Lake City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Salt Lake City?

    Currently, October is the cheapest month in which you can book a flight from Boston to Salt Lake City (average of $277). Flying from Boston to Salt Lake City in March is currently the most expensive (average of $417). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Bountiful
Midvale
West Valley City
Lehi
Layton
Farmington
Logan
Evanston
West Jordan
Draper
South Jordan
Sandy

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Salt Lake City

See prices for flight routes from nearby airports that may be better suited for you.
Hartford to Salt Lake City flights
Albany to Salt Lake City flights
Boston to Saint George flights
Hartford to Saint George flights
Boston to Cortez flights
Albany to Moab flights
Boston to Moab flights

Top 7 airlines flying from Boston to Salt Lake City

Discover the top 7 airlines that operate flights from Boston to Salt Lake City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated juillet 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$163Average$372FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$191Average$313FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$243Average$358FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$255Average$383FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$261Average$604FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$276Average$420FlexibilityNo cancel feeOn-time63%
DeltaCheapest$283Average$518FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.