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Salt Lake City

$156+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SLC
Oct 10 — Oct 171
Fri 10/10
Fri 10/17
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 10, 2025.

Round-trip from

$332
(Southwest)

One-way from

$156
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$419

Good round-trip deal

$401 or less

Good one-way deal

$217 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. 4% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 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 10, 2025.

This Southwest deal was found by Cheapflights users on 9/9. 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.
Sat 10/185:20 amBOS - SLC
1 stop8h 30mSouthwest
Tue 10/285:55 amSLC - BOS
2 stops9h 35mSouthwest
Deal found 9/9$332
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/111:40 pmBOS - SLC
1 stop11h 15mJetBlue
Mon 12/1511:50 pmSLC - BOS
1 stop13h 08mJetBlue
Deal found 9/8$333
This Expedia deal was found by Cheapflights users on 9/8. 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.
Sat 10/2510:06 amBOS - SLC
1 stop13h 57mJetBlue
Sun 10/2611:50 pmSLC - BOS
2 stops12h 04mJetBlue
Deal found 9/8$334
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 11/67:00 amBOS - SLC
1 stop9h 29mAlaska Airlines
Sat 11/87:17 amSLC - BOS
1 stop8h 38mAlaska Airlines
Deal found 9/7$336
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/79:53 amBOS - SLC
1 stop7h 18mUnited Airlines
Tue 10/141:14 pmSLC - BOS
1 stop8h 30mUnited Airlines
Deal found 9/9$337
This Expedia deal was found by Cheapflights users on 9/9. 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.
Thu 12/113:35 pmBOS - SLC
1 stop9h 20mJetBlue
Sun 12/1411:50 pmSLC - BOS
2 stops13h 30mJetBlue
Deal found 9/9$338
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/165:44 pmBOS - SLC
1 stop7h 56mAmerican Airlines
Wed 10/2211:58 pmSLC - BOS
1 stop7h 48mAmerican Airlines
Deal found 9/8$339
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:20 pmBOS - SLC
1 stop26h 04mMultiple Airlines
Mon 10/68:40 pmSLC - BOS
2 stops24h 12mMultiple Airlines
Deal found 9/8$340
This Frontier deal was found by Cheapflights users on 9/7. 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 10/212:59 pmBOS - SLC
2 stops13h 15mFrontier
Sat 10/49:58 pmSLC - BOS
2 stops10h 00mFrontier
Deal found 9/7$341
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/2012:30 pmBOS - SLC
2 stops10h 15mUnited Airlines
Sat 9/274:08 pmSLC - BOS
1 stop6h 42mUnited Airlines
Deal found 9/9$342
This JetBlue deal was found by Cheapflights users on 9/9. 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 12/113:35 pmBOS - SLC
1 stop9h 20mJetBlue
Sat 12/1311:50 pmSLC - BOS
1 stop9h 22mJetBlue
Deal found 9/9$343
This Expedia deal was found by Cheapflights users on 9/7. 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.
Fri 11/71:40 pmBOS - SLC
1 stop11h 15mJetBlue
Mon 11/1011:50 pmSLC - BOS
2 stops12h 04mJetBlue
Deal found 9/7$344

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 10, 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 1/17

5:55 pm-11:05 am

1 stop19h 10m

Salt Lake City

Tue 1/20

6:49 pm-6:09 pm

1 stop21h 20m

$336

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Fri 1/30

4:20 pm-10:56 am

1 stop20h 36m

Salt Lake City

Mon 2/2

12:15 pm-11:59 pm

1 stop9h 44m

$336

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Thu 11/6

7:00 am-2:29 pm

1 stop9h 29m

Salt Lake City

Sun 11/9

7:20 am-12:20 am

1 stop15h 00m

$336

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Tue 12/9

9:30 am-5:08 pm

2 stops9h 38m

Salt Lake City

Fri 12/12

12:28 am-9:14 am

1 stop6h 46m

$342

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Sat 9/20

12:30 pm-8:45 pm

2 stops10h 15m

Salt Lake City

Sat 9/27

4:08 pm-12:50 am

1 stop6h 42m

$342

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Wed 10/22

8:01 am-9:00 pm

1 stop14h 59m

Salt Lake City

Fri 10/31

11:19 am-12:20 am

1 stop11h 01m

$349

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Wed 10/29

1:40 pm-10:55 pm

1 stop11h 15m

Salt Lake City

Sun 11/2

11:50 pm-11:43 am

1 stop9h 53m

$363

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Fri 9/26

1:43 pm-9:24 pm

1 stop9h 41m

Salt Lake City

Mon 9/29

4:08 pm-12:50 am

1 stop6h 42m

$367

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Thu 9/25

4:25 pm-10:25 pm

1 stop8h 00m

Salt Lake City

Mon 9/29

7:18 am-8:32 pm

1 stop11h 14m

$367

BostonSalt Lake City

BOS - SLC

BOSSLC

Boston Logan Intl

Sat 10/18

5:20 am-12:35 pm

2 stops9h 15m

Salt Lake City

Tue 10/28

5:55 am-5:30 pm

2 stops9h 35m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 23 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 August 29, 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 10, 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 September 7, 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 10, 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
4,249 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

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
4,249 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

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
7,963 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

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
8,937 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

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
4,249 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

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
2,913 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

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 13m on average. When it comes time to book airfare, you have a few options: there are 3 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, Alaska Airlines can have you in Salt Lake City from Boston in 9h 38m. 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 American Airlines, with the lowest prices starting at $165 and $257, respectively. These flights start at 78% 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: Aeromexico (99%), Korean Air (97%), WestJet (96%).

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

    The cheapest flight price from Boston to Salt Lake City is $148. On average you can expect to pay $806. The most popular route, (Boston Logan Intl - Salt Lake City), can usually be booked for $253.

  • 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 $53 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
Lehi
Farmington
Layton
Logan
West Valley City
Evanston
West Jordan
South Jordan
Draper
Sandy

Browse thousands of different options on Cheapflights for your next trip

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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 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$313FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$165Average$394FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$257Average$366FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$261Average$604FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$266Average$382FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$276Average$419FlexibilityNo cancel feeOn-time63%
DeltaCheapest$296Average$526FlexibilityNo cancel feeOn-timeN/A

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