HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Siesta Key

$73+ Cheap flights from Boston (BOS) to Siesta Key, FL

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — TPA
abr. 20 — abr. 271
dom. 4/20
dom. 4/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Siesta Key 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 Siesta Key are usually found in January or September, booked 77 days in advance, depart on a Friday or Monday and return on a Friday

Cheap flight deals from Boston to Siesta Key

Keep the following information in mind while searching for Boston to Siesta Key flight deals. Data was last updated abril 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$131
(Gotogate)

One-way from

$73
(Gotogate)

Popular in

April

Cheapest in

January

Average price

$302
Provider with most accurate pricing for Boston Logan Intl-Sarasota Bradenton Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Sarasota Bradenton Intl flights.
Search Deals
From Boston Logan Intl to Siesta Key
Search Deals
One-way flight from Boston Logan Intl to Siesta Key
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Boston to Siesta Key

Cheapest flights from Boston to Siesta Key
Explore the most affordable flight options available from Boston to Siesta Key. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 15, 2025.

This Gotogate deal was found by Cheapflights users on 4/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/511:02 amBOS - SRQ
Nonstop3h 26mAllegiant Air
vie. 5/97:01 amSRQ - BOS
Nonstop3h 11mAllegiant Air
Deal found 4/15$131
This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/1211:02 amBOS - SRQ
Nonstop3h 26mMultiple Airlines
lun. 5/196:01 amSRQ - BOS
2 stops32h 43mMultiple Airlines
Deal found 4/14$187
This JetBlue Airways deal was found by Cheapflights users on 4/14. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/123:32 pmBOS - SRQ
Nonstop3h 35mJetBlue
jue. 5/158:02 pmSRQ - BOS
Nonstop3h 09mJetBlue
Deal found 4/14$217
This Southwest deal was found by Cheapflights users on 4/14. 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.
sáb. 5/35:15 amBOS - SRQ
2 stops9h 50mSouthwest
dom. 5/117:20 pmSRQ - BOS
1 stop4h 55mSouthwest
Deal found 4/14$242
This Delta deal was found by Cheapflights users on 4/14. 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.
sáb. 5/38:15 amBOS - SRQ
Nonstop3h 32mDelta
mié. 5/76:00 amSRQ - BOS
1 stop7h 50mDelta
Deal found 4/14$247
This United Airlines deal was found by Cheapflights users on 4/14. 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.
vie. 8/226:00 amBOS - SRQ
2 stops9h 12mUnited Airlines
mar. 8/266:00 amSRQ - BOS
1 stop7h 24mUnited Airlines
Deal found 4/14$252
This American Airlines deal was found by Cheapflights users on 4/14. 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.
vie. 5/95:59 amBOS - SRQ
2 stops7h 09mAmerican Airlines
mar. 5/131:48 pmSRQ - BOS
2 stops6h 52mAmerican Airlines
Deal found 4/14$283

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Siesta Key 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 abril 15, 2025.
Use the filters below to find and compare flights from Boston to Siesta Key that are best for you.

Fly from

Boston

Fly to

Siesta Key

Route

Depart

Return

Price

BostonSarasota

BOS - SRQ

BOSSRQ

Boston Logan Intl

lun. 5/5

11:02 am-2:28 pm

Nonstop3h 26m

Sarasota Bradenton Intl

vie. 5/9

7:01 am-10:12 am

Nonstop3h 11m

$131

BostonSarasota

BOS - SRQ

BOSSRQ

Boston Logan Intl

lun. 5/12

11:02 am-2:28 pm

Nonstop3h 26m

Sarasota Bradenton Intl

lun. 5/19

6:01 am-2:44 pm

2 stops32h 43m

$187

BostonSarasota

BOS - SRQ

BOSSRQ

Boston Logan Intl

lun. 5/12

7:10 am-10:37 am

Nonstop3h 27m

Sarasota Bradenton Intl

sáb. 5/24

8:02 pm-11:11 pm

Nonstop3h 09m

$217

BostonSarasota

BOS - SRQ

BOSSRQ

Boston Logan Intl

sáb. 5/3

5:15 am-3:05 pm

2 stops9h 50m

Sarasota Bradenton Intl

dom. 5/11

7:20 pm-12:15 am

1 stop4h 55m

$242

BostonSarasota

BOS - SRQ

BOSSRQ

Boston Logan Intl

sáb. 5/3

8:15 am-11:47 am

Nonstop3h 32m

Sarasota Bradenton Intl

mié. 5/7

6:00 am-1:50 pm

1 stop7h 50m

$247

BostonSarasota

BOS - SRQ

BOSSRQ

Boston Logan Intl

mié. 5/14

5:55 am-1:08 pm

2 stops7h 13m

Sarasota Bradenton Intl

mié. 5/21

8:04 am-3:38 pm

2 stops7h 34m

$252

BostonSarasota

BOS - SRQ

BOSSRQ

Boston Logan Intl

sáb. 5/10

5:30 am-3:06 pm

2 stops9h 36m

Sarasota Bradenton Intl

dom. 5/11

6:00 am-12:58 pm

1 stop6h 58m

$260

BostonSarasota

BOS - SRQ

BOSSRQ

Boston Logan Intl

mié. 4/23

11:17 am-2:43 pm

Nonstop3h 26m

$73

BostonSarasota

BOS - SRQ

BOSSRQ

Boston Logan Intl

jue. 5/15

6:00 am-8:15 pm

1 stop14h 15m

$101

BostonSarasota

BOS - SRQ

BOSSRQ

Boston Logan Intl

vie. 5/2

7:45 am-3:06 pm

1 stop7h 21m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 14 results
1
2

Best time to book a flight from Boston to Siesta Key

Have a flexible travel schedule? Discover the best time to fly to Siesta Key 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 Siesta Key

How far ahead should I book a flight from Boston to Siesta Key?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Siesta Key. Price data was last updated on April 11, 2025.

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Siesta Key. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Siesta Key?

Currently, January is the cheapest month in which you can book a flight from Boston to Siesta Key (average of $208). Flying from Boston to Siesta Key in March is currently the most expensive (average of $270). 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 S1E?

Find hourly flight availability from Boston to Siesta Key. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 15, 2025.

When flying from Boston to Siesta Key, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Boston to Siesta Key?

Use this chart to determine the cheapest time to fly round-trip from Boston to Siesta Key. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Siesta Key flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Siesta Key

Explore weekly flight availability from Boston to Siesta Key. 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 abril 15, 2025.

The most flights from BOS to S1E are scheduled on a Monday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Siesta Key by month

Plan your trip to Siesta Key by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Siesta Key ranges from 2.2 - 9.7 inches per month. June is typically the wettest month, when rainfall can reach 9.7 in. November is typically the driest time to visit Siesta Key when rainfall is around 2.2 in.

Temperature in Siesta Key by month

Plan your trip to Siesta Key by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Siesta Key, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing Siesta Key

Get insights into the airlines that provide service to Siesta Key. 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 Siesta Key. Reviews last updated abril 15, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Boston to Siesta Key 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
4,279 reviews

Comfort

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,279 reviews
Southwest
8.0
Very good
4,279 reviews

Comfort

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,917 reviews
Southwest
8.0
Very good
4,279 reviews

Comfort

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,658 reviews
Southwest
8.0
Very good
4,279 reviews

Comfort

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,926 reviews
Southwest
8.0
Very good
4,279 reviews

Comfort

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Allegiant Air
7.3
Good
734 reviews
Southwest
8.0
Very good
4,279 reviews

Comfort

8.0

Food

7.1

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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

  • What airport do you fly from for flights from Boston to Siesta Key?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Siesta Key. On average, Logan Intl has 3 outbound flights to Siesta Key per day from 9 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How popular is this Boston to Siesta Key flight route?

    Within the past month, 58 users have taken a look at flights from Boston Logan Intl to Siesta Key.

  • What are the cheapest airlines to fly from Boston to Siesta Key one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $73. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Boston to Siesta Key for a low price.

  • What are the most reliable airlines from Boston to Siesta Key?

    No one likes to see their flight delayed. When booking a flight from Boston to Siesta Key consider choosing WestJet (88%), LATAM Airlines (86%) or Spirit Airlines (86%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Boston to Siesta Key?

    Looking at all options, your cheapest flight can be booked for $37. While the most popular route (Boston Logan Intl - Sarasota Bradenton Intl) can be booked for $94 on average our data indicates $330 when flying from Boston to Siesta Key.

  • Can I find deals for flights from Boston to Siesta Key that include hotel bookings?

    Yes. In addition to deals on Boston to Siesta Key flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Siesta Key?

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

  • Can I find deals for business class flights from Boston to Siesta Key?

    Yes. Cheapflights offers flight deals from Boston to Siesta Key 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 Siesta Key?

    Currently, January is the cheapest month in which you can book a flight from Boston to Siesta Key (average of $208). Flying from Boston to Siesta Key in March is currently the most expensive (average of $270). 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

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 Siesta Key

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Orlando flights
Boston to Fort Lauderdale flights
Boston to Miami flights
Boston to Tampa flights
Boston to West Palm Beach flights
Hartford to Orlando flights
Boston to Fort Myers flights
Hartford to Fort Lauderdale flights
Hartford to Miami flights
Boston to Sarasota flights
Albany to Orlando flights
Hartford to Tampa flights
Boston to Jacksonville flights
Hartford to West Palm Beach flights
Boston to Key West flights
Hartford to Fort Myers flights
Boston to Orlando Sanford Intl flights
Boston to St Petersburg flights
Boston to Pensacola flights
Albany to Fort Lauderdale flights
Worcester to Orlando flights
Boston to Panama City flights
Albany to Miami flights
Albany to Tampa flights
Hartford to Jacksonville flights
Hartford to Sarasota flights
Worcester to Fort Lauderdale flights
Hartford to Daytona Beach flights
Boston to Gainesville flights
Hartford to Key West flights
Albany to Sarasota flights
Albany to Jacksonville flights
Boston to Daytona Beach flights
Boston to Melbourne flights
Boston to Valparaiso flights
Albany to Fort Myers flights
Hartford to Pensacola flights
Albany to Orlando Sanford Intl flights
Boston to Tallahassee flights
West Tisbury to Orlando flights
Albany to Key West flights
Worcester to Miami flights
Albany to West Palm Beach flights
Hartford to Panama City flights
Hartford to St Petersburg flights
Albany to Pensacola flights
Worcester to Fort Myers flights
Hartford to Melbourne flights
Hartford to Valparaiso flights
Albany to Valparaiso flights

Top 9 airlines flying from Boston to Siesta Key

Discover the top 9 airlines that operate flights from Boston to Siesta Key. 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 abril 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$35Average$155FlexibilityNo cancel feeOn-time65%
FrontierCheapest$38Average$118FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$68Average$273FlexibilityNo cancel feeOn-time88%
Breeze AirwaysCheapest$72Average$229FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$100Average$264FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$107Average$256FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$156Average$468FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$167Average$313FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$195Average$373FlexibilityNo cancel feeOn-time69%

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.