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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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SLC
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Salt Lake City are usually found in August or July, 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 July 28, 2025.

Round-trip from

$271
(Cheapflightsfares)

One-way from

$149
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$376

Good round-trip deal

$368 or less

Good one-way deal

$208 or less
From Boston Logan Intl to Salt Lake City
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One-way flight from Boston Logan Intl to Salt Lake City
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Highest demand for flights based on searches. 7% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Salt Lake City.
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Price to beat on a one-way flight from Boston Logan Intl to Salt Lake City.
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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 July 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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.
Wed 8/136:30 amBOS - SLC
1 stop6h 58mSpirit Airlines
Mon 8/2512:23 pmSLC - BOS
1 stop8h 11mSpirit Airlines
Deal found 7/25$271
This JetBlue deal was found by Cheapflights users on 7/25. 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.
Sat 8/236:09 pmBOS - SLC
Nonstop5h 35mJetBlue
Mon 8/2510:39 pmSLC - BOS
Nonstop4h 33mJetBlue
Deal found 7/25$272
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 8/229:50 amBOS - SLC
1 stop8h 36mAmerican Airlines
Sat 8/301:54 pmSLC - BOS
1 stop7h 22mAmerican Airlines
Deal found 7/26$276
This Delta deal was found by Cheapflights users on 7/27. 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.
Wed 8/206:10 amBOS - SLC
Nonstop5h 20mDelta
Mon 8/2511:50 pmSLC - BOS
Nonstop4h 35mDelta
Deal found 7/27$287
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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.
Sun 8/316:00 amBOS - SLC
1 stop10h 45mAlaska Airlines
Thu 9/47:48 pmSLC - BOS
1 stop8h 12mAlaska Airlines
Deal found 7/27$306

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 July 28, 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

Wed 8/13

6:30 am-11:28 am

1 stop6h 58m

Salt Lake City

Mon 8/25

12:23 pm-10:34 pm

1 stop8h 11m

$271

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Sat 8/23

6:09 pm-9:44 pm

Nonstop5h 35m

Salt Lake City

Mon 8/25

10:39 pm-5:12 am

Nonstop4h 33m

$272

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Fri 8/22

9:50 am-4:26 pm

1 stop8h 36m

Salt Lake City

Sat 8/30

1:54 pm-11:16 pm

1 stop7h 22m

$276

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Wed 8/20

6:10 am-9:30 am

Nonstop5h 20m

Salt Lake City

Mon 8/25

11:50 pm-6:25 am

Nonstop4h 35m

$287

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Sun 8/31

6:00 am-2:45 pm

1 stop10h 45m

Salt Lake City

Thu 9/4

7:48 pm-6:00 am

1 stop8h 12m

$306

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Tue 10/28

12:20 pm-2:29 pm

3 stops28h 09m

$149

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Thu 9/25

9:20 am-6:30 pm

1 stop11h 10m

$158

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Tue 8/19

5:40 am-1:30 pm

2 stops9h 50m

$159

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Sat 11/1

8:30 am-4:08 pm

1 stop9h 38m

$169

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Sat 10/25

9:00 am-5:26 pm

1 stop10h 26m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 12 results
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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 July 25, 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 July 28, 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 July 20, 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 July 28, 2025.

The most flights from BOS to SLC are scheduled on a Monday (17 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (15 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 July 28, 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

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,237 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,886 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 16 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 Spirit Airlines is currently your cheapest option to Salt Lake City, with prices starting at $271. Additional round-trip tickets that might be worth considering are offered by JetBlue and American Airlines, with the lowest prices starting at $272 and $276, respectively. These flights start at 39% 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 American Airlines ($149), Spirit Airlines ($150), and Hawaiian Airlines ($158).

  • 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: KLM (100%), Korean Air (97%), Aeromexico (96%).

  • 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 $858. The most popular route, (Boston Logan Intl - Salt Lake City), can usually be booked for $246.

  • 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, 16th Street Mall, and Paramount Theatre. Coors Field, 16th Street Mall and Paramount Theatre are located about 18.4 mi, 18.7 mi, and 18.6 mi, respectively from Denver Intl if you are interested in checking them out. Travelers can book a car rental at Denver Intl for about $64 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 Salt Lake City?

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

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Alternative routes for Boston to Salt Lake City

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$313FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$163Average$377FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$243Average$358FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$255Average$380FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$261Average$543FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$275Average$419FlexibilityNo cancel feeOn-time63%
DeltaCheapest$287Average$519FlexibilityNo cancel feeOn-timeN/A

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