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Salt Lake City

$164+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SLC
Oct 26 — Nov 21
Sun 10/26
Sun 11/2
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Salt Lake City are usually found in July or August, booked 86 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 September 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$340
(JetBlue)

One-way from

$164
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$486

Good round-trip deal

$418 or less

Good one-way deal

$192 or less
Provider with most accurate pricing for Boston Logan Intl-Salt Lake City flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Salt Lake City flights.
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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. 3% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 26, 2025.

This JetBlue deal was found by Cheapflights users on 9/24. 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.
Thu 11/206:06 pmBOS - SLC
Nonstop5h 35mJetBlue
Tue 12/211:51 pmSLC - BOS
1 stop9h 02mJetBlue
Deal found 9/24$340
This United Airlines deal was found by Cheapflights users on 9/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:53 amBOS - SLC
1 stop7h 17mUnited Airlines
Tue 10/281:00 pmSLC - BOS
2 stops8h 42mUnited Airlines
Deal found 9/24$342
This JetBlue deal was found by Cheapflights users on 9/24. 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 11/226:05 pmBOS - SLC
Nonstop5h 35mJetBlue
Thu 11/2711:59 pmSLC - BOS
1 stop7h 23mJetBlue
Deal found 9/24$343
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:00 amBOS - SLC
1 stop32h 07mAlaska Airlines
Sun 11/92:01 pmSLC - BOS
1 stop15h 28mAlaska Airlines
Deal found 9/25$344
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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.
Mon 11/176:59 pmBOS - SLC
2 stops25h 37mAlaska Airlines
Wed 11/192:01 pmSLC - BOS
1 stop15h 28mAlaska Airlines
Deal found 9/24$345
This American Airlines deal was found by Cheapflights users on 9/24. 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.
Thu 10/163:54 pmBOS - SLC
1 stop9h 46mAmerican Airlines
Mon 10/2011:58 pmSLC - BOS
1 stop9h 15mAmerican Airlines
Deal found 9/24$347
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:24 pmBOS - SLC
1 stop28h 12mAlaska Airlines
Wed 11/57:17 amSLC - BOS
2 stops15h 03mAlaska Airlines
Deal found 9/25$348
This Expedia deal was found by Cheapflights users on 9/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/218:25 pmBOS - SLC
2 stops24h 24mAlaska Airlines
Tue 10/283:23 pmSLC - BOS
1 stop30h 57mAlaska Airlines
Deal found 9/24$349
This JetBlue deal was found by Cheapflights users on 9/23. 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.
Fri 12/123:40 pmBOS - SLC
1 stop9h 16mJetBlue
Fri 12/1910:24 pmSLC - BOS
Nonstop4h 28mJetBlue
Deal found 9/23$350
This Frontier deal was found by Cheapflights users on 9/24. 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.
Thu 10/1612:22 pmBOS - SLC
2 stops13h 37mFrontier
Sun 10/192:52 pmSLC - BOS
2 stops14h 35mFrontier
Deal found 9/24$351
This JetBlue deal was found by Cheapflights users on 9/24. 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.
Fri 11/213:40 pmBOS - SLC
1 stop9h 15mJetBlue
Tue 12/211:51 pmSLC - BOS
1 stop9h 02mJetBlue
Deal found 9/24$352
This KAYAK deal was found by Cheapflights users on 9/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:00 amBOS - SLC
1 stop9h 29mAlaska Airlines
Thu 10/3011:19 amSLC - BOS
1 stop11h 01mAlaska Airlines
Deal found 9/26$353

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 September 26, 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

Sat 10/25

6:00 am-11:39 am

1 stop7h 39m

Salt Lake City

Sat 11/1

1:00 pm-11:42 pm

2 stops8h 42m

$342

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Fri 11/21

3:40 pm-10:55 pm

1 stop9h 15m

Salt Lake City

Wed 12/3

11:51 pm-10:53 am

1 stop9h 02m

$352

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Thu 1/22

5:30 am-1:20 pm

2 stops9h 50m

Salt Lake City

Mon 1/26

9:30 am-8:50 pm

2 stops9h 20m

$381

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Wed 1/7

5:30 am-1:20 pm

2 stops9h 50m

Salt Lake City

Sun 1/11

5:30 am-4:05 pm

2 stops8h 35m

$387

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Thu 11/20

6:06 pm-9:41 pm

Nonstop5h 35m

Salt Lake City

Thu 11/27

11:59 pm-9:22 am

1 stop7h 23m

$389

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Fri 2/27

4:50 pm-11:05 am

2 stops20h 15m

Salt Lake City

Tue 3/3

7:30 am-11:59 pm

1 stop14h 29m

$396

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Wed 11/19

9:15 am-8:55 pm

2 stops13h 40m

Salt Lake City

Thu 11/27

12:15 am-10:43 am

1 stop8h 28m

$397

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Mon 11/24

9:15 am-8:55 pm

2 stops13h 40m

Salt Lake City

Tue 12/2

12:28 am-10:58 am

1 stop8h 30m

$397

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Fri 11/14

6:52 pm-10:20 pm

Nonstop5h 28m

Salt Lake City

Sun 11/16

5:15 pm-11:44 pm

Nonstop4h 29m

$399

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Fri 11/7

6:50 pm-10:15 pm

Nonstop5h 25m

Salt Lake City

Mon 11/10

5:15 pm-11:44 pm

Nonstop4h 29m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 23 results
1
2
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Compare providers for flights from Boston to Salt Lake City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Salt Lake City in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Salt Lake City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Salt Lake City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Salt Lake City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Salt Lake City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Salt Lake City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 September 19, 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 86 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 September 26, 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 in the afternoon could potentially save you up to 15% 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 September 21, 2025.

Travelers seeking maximum savings on their Boston to Salt Lake City flight should consider departing on Monday at noon 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.

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 September 26, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines 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.
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,914 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 15m on average. When it comes time to book airfare, you have a few options: there are 9 outbound flights from Logan Intl to Salt Lake City offered by 7 different airlines.

  • How long is the flight from Boston to Salt Lake City?

    For as low as $342, United Airlines can have you in Salt Lake City from Boston in 7h 39m. There are 2099 mi between Boston and Salt Lake City. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $95. Additional round-trip tickets that might be worth considering are offered by JetBlue and Alaska Airlines, with the lowest prices starting at $163 and $261, respectively. These flights start at 79% lower than the current average price 3 months from now.

  • 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%), Aeromexico (100%), Korean Air (98%).

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

    The cheapest flight price from Boston to Salt Lake City is $143. On average you can expect to pay $890. The most popular route, (Boston Logan Intl - Salt Lake City), can usually be booked for $264.

  • 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 $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 Salt Lake City?

Book flights to Salt Lake City if you plan to visit one of these locations
Bountiful
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Farmington
Logan
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Layton
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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 September 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$313FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$163Average$395FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$261Average$604FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$266Average$379FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$266Average$366FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$276Average$418FlexibilityNo cancel feeOn-time63%
DeltaCheapest$294Average$524FlexibilityNo cancel feeOn-timeN/A

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