$81+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — TPA
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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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 September or August, booked 86 days in advance, depart on a Friday or Thursday and return on a Sunday
Cheap flight deals from Boston to Siesta Key
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to Siesta KeyExplore 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 July 1, 2026.
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 July 1, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:29 pm
BOS
- SRQ
Nonstop3h 20m
Allegiant Air
Fri 8/148:30 am
SRQ
- BOS
Nonstop3h 09m
Allegiant Air
Deal found 6/27![Allegiant Air logo]()
$120
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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.
Fri 8/712:29 pm
BOS
- SRQ
Nonstop3h 20m
Allegiant Air
Mon 8/108:30 am
SRQ
- BOS
Nonstop3h 09m
Allegiant Air
Deal found 6/28![Allegiant Air logo]()
$137
This CheapOair deal was found by Cheapflights users on 6/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:58 pm
BOS
- SRQ
Nonstop3h 22m
Allegiant Air
Mon 8/249:00 am
SRQ
- BOS
Nonstop3h 08m
Allegiant Air
Deal found 6/27![Allegiant Air logo]()
$138
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:56 am
BOS
- SRQ
Nonstop3h 15m
Allegiant Air
Fri 10/27:02 am
SRQ
- BOS
Nonstop3h 09m
Allegiant Air
Deal found 6/30![Allegiant Air logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 6/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:29 pm
BOS
- SRQ
Nonstop3h 20m
Allegiant Air
Mon 8/178:30 am
SRQ
- BOS
Nonstop3h 09m
Allegiant Air
Deal found 6/27![Allegiant Air logo]()
$152
This Cheapflightsfares deal was found by Cheapflights users on 6/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:29 pm
BOS
- SRQ
Nonstop3h 20m
Allegiant Air
Fri 8/148:30 am
SRQ
- BOS
Nonstop3h 09m
Allegiant Air
Deal found 6/27![Allegiant Air logo]()
$160
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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.
Mon 7/2712:37 pm
BOS
- SRQ
Nonstop3h 12m
Allegiant Air
Mon 8/38:40 am
SRQ
- BOS
Nonstop3h 07m
Allegiant Air
Deal found 6/28![Allegiant Air logo]()
$166
Best flights from Boston to Siesta KeyDiscover carefully curated flight deals from Boston to Siesta Key that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from Boston to Siesta Key that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:30 pm
BOS
- SRQ
1 stop8h 15m
Delta
Fri 7/316:22 pm
SRQ
- BOS
1 stop5h 37m
Delta
Deal found 6/26![Delta logo]()
$217
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:19 am
BOS
- SRQ
1 stop7h 53m
United Airlines
Tue 9/16:05 am
SRQ
- BOS
2 stops8h 45m
United Airlines
Deal found 6/30![United Airlines logo]()
$222
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:01 am
BOS
- SRQ
1 stop6h 13m
JetBlue
Mon 8/318:15 pm
SRQ
- BOS
Nonstop3h 13m
JetBlue
Deal found 6/30![JetBlue logo]()
$222
This Delta deal was found by Cheapflights users on 6/29. 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.
Tue 7/147:10 pm
BOS
- SRQ
1 stop5h 35m
Delta
Fri 7/177:59 pm
SRQ
- BOS
1 stop5h 21m
Delta
Deal found 6/29![Delta logo]()
$217
This JetBlue deal was found by Cheapflights users on 6/29. 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.
Mon 8/315:16 am
BOS
- SRQ
1 stop5h 44m
JetBlue
Wed 9/211:44 am
SRQ
- BOS
1 stop6h 08m
JetBlue
Deal found 6/29![JetBlue logo]()
$247
This United Airlines deal was found by Cheapflights users on 6/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:00 pm
BOS
- SRQ
1 stop5h 19m
United Airlines
Sun 9/206:05 am
SRQ
- BOS
1 stop6h 45m
United Airlines
Deal found 6/26![United Airlines logo]()
$247
This JetBlue deal was found by Cheapflights users on 6/29. 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 8/285:01 am
BOS
- SRQ
1 stop5h 59m
JetBlue
Mon 8/3111:50 am
SRQ
- BOS
1 stop7h 07m
JetBlue
Deal found 6/29![JetBlue logo]()
$247
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Fri 8/215:45 am
BOS
- SRQ
2 stops9h 25m
United Airlines
Tue 8/256:05 am
SRQ
- BOS
2 stops8h 45m
United Airlines
Deal found 6/29![United Airlines logo]()
$251
This Delta deal was found by Cheapflights users on 6/28. 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.
Thu 8/271:55 pm
BOS
- SRQ
1 stop8h 30m
Delta
Sun 8/306:00 am
SRQ
- BOS
1 stop5h 40m
Delta
Deal found 6/28![Delta logo]()
$262
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 7/155:45 am
BOS
- SRQ
2 stops9h 27m
United Airlines
Mon 7/204:30 pm
SRQ
- BOS
1 stop8h 44m
United Airlines
Deal found 6/28![United Airlines logo]()
$291
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:16 am
BOS
- SRQ
1 stop5h 44m
JetBlue
Mon 8/1712:10 pm
SRQ
- BOS
1 stop5h 12m
JetBlue
Deal found 6/30![JetBlue logo]()
$292
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:10 pm
BOS
- SRQ
1 stop5h 35m
Delta
Fri 7/176:22 pm
SRQ
- BOS
1 stop6h 58m
Delta
Deal found 6/26![Delta logo]()
$297
Last-minute flights from Boston to Siesta KeyDiscover last-minute flight deals from Boston to Siesta Key. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Siesta Key. Data last updated July 1, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 6/29. 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.
Mon 7/1312:37 pm
BOS
- SRQ
Nonstop3h 12m
Allegiant Air
Mon 7/208:40 am
SRQ
- BOS
Nonstop3h 07m
Allegiant Air
Deal found 6/29![Allegiant Air logo]()
$211
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:45 am
BOS
- SRQ
1 stop7h 28m
Delta
Mon 7/207:59 pm
SRQ
- BOS
1 stop5h 21m
Delta
Deal found 6/30![Delta logo]()
$217
This Super.com deal was found by Cheapflights users on 6/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:01 am
BOS
- SRQ
1 stop5h 59m
JetBlue
Mon 7/207:45 pm
SRQ
- BOS
Nonstop3h 10m
JetBlue
Deal found 6/27![JetBlue logo]()
$205
This CheapOair deal was found by Cheapflights users on 6/28. 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.
Fri 7/1712:37 pm
BOS
- SRQ
Nonstop3h 12m
Allegiant Air
Mon 7/208:40 am
SRQ
- BOS
Nonstop3h 07m
Allegiant Air
Deal found 6/28![Allegiant Air logo]()
$200
This Super.com deal was found by Cheapflights users on 6/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:01 am
BOS
- SRQ
1 stop5h 59m
JetBlue
Mon 7/277:45 pm
SRQ
- BOS
Nonstop3h 10m
JetBlue
Deal found 6/29![JetBlue logo]()
$206
This Super.com deal was found by Cheapflights users on 6/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:37 pm
BOS
- SRQ
Nonstop3h 12m
Allegiant Air
Fri 7/318:40 am
SRQ
- BOS
Nonstop3h 07m
Allegiant Air
Deal found 6/26![Allegiant Air logo]()
$185
This CheapOair deal was found by Cheapflights users on 6/28. 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.
Fri 7/2412:37 pm
BOS
- SRQ
Nonstop3h 12m
Allegiant Air
Mon 7/278:40 am
SRQ
- BOS
Nonstop3h 07m
Allegiant Air
Deal found 6/28![Allegiant Air logo]()
$215
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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.
Mon 7/2712:37 pm
BOS
- SRQ
Nonstop3h 12m
Allegiant Air
Mon 8/38:40 am
SRQ
- BOS
Nonstop3h 07m
Allegiant Air
Deal found 6/28![Allegiant Air logo]()
$166
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:37 pm
BOS
- SRQ
Nonstop3h 12m
Allegiant Air
Mon 8/318:31 am
SRQ
- BOS
Nonstop3h 08m
Allegiant Air
Deal found 6/30![Allegiant Air logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 6/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:01 am
BOS
- SRQ
1 stop5h 59m
JetBlue
Mon 8/38:15 pm
SRQ
- BOS
Nonstop3h 09m
JetBlue
Deal found 6/26![JetBlue logo]()
$214
One-way flights from Boston to Siesta KeySearch for one-way flight options from Boston to Siesta Key. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
Search for one-way flight options from Boston to Siesta Key. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This Super.com deal was found by Cheapflights users on 6/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:37 pm
BOS
- SRQ
Nonstop3h 12m
Allegiant Air
Deal found 6/27![Allegiant Air logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:58 pm
BOS
- SRQ
Nonstop3h 22m
Allegiant Air
Deal found 6/26![Allegiant Air logo]()
$89
This Super.com deal was found by Cheapflights users on 6/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:37 pm
BOS
- SRQ
Nonstop3h 12m
Allegiant Air
Deal found 6/27![Allegiant Air logo]()
$91
This CheapOair deal was found by Cheapflights users on 6/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:29 pm
BOS
- SRQ
Nonstop3h 22m
Allegiant Air
Deal found 6/27![Allegiant Air logo]()
$96
This Super.com deal was found by Cheapflights users on 6/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:37 pm
BOS
- SRQ
Nonstop3h 12m
Allegiant Air
Deal found 6/29![Allegiant Air logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 6/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:55 pm
BOS
- SRQ
Nonstop3h 25m
JetBlue
Deal found 6/26![JetBlue logo]()
$98
This JetBlue deal was found by Cheapflights users on 6/29. 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.
Mon 8/173:55 pm
BOS
- SRQ
Nonstop3h 25m
JetBlue
Deal found 6/29![JetBlue logo]()
$99
Find 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 July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $120 (Cheapflightsfares) |
One-way from | $81 (Super.com) |
Popular in | April |
Cheapest in | September |
Average price | $266 |
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 July 1, 2026.
Use the filters below to find and compare flights from Boston to Siesta Key that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSarasota
BOS - SRQ
BOSSRQ
Boston Logan Intl
Fri 7/24
4:30 pm-12:45 am
1 stop8h 15m
Sarasota Bradenton Intl
Fri 7/31
6:22 pm-11:59 pm
1 stop5h 37m
$217
BostonSarasota
BOS - SRQ
BOSSRQ
Boston Logan Intl
Tue 7/14
7:10 pm-12:45 am
1 stop5h 35m
Sarasota Bradenton Intl
Fri 7/17
7:59 pm-1:20 am
1 stop5h 21m
$217
BostonSarasota
BOS - SRQ
BOSSRQ
Boston Logan Intl
Mon 7/27
7:19 am-3:12 pm
1 stop7h 53m
Sarasota Bradenton Intl
Tue 9/1
6:05 am-2:50 pm
2 stops8h 45m
$222
Quickest round-trip
BostonSarasota
BOS - SRQ
BOSSRQ
Boston Logan Intl
Sat 8/22
5:01 am-11:14 am
1 stop6h 13m
Sarasota Bradenton Intl
Mon 8/31
8:15 pm-11:28 pm
Nonstop3h 13m
$222
BostonSarasota
BOS - SRQ
BOSSRQ
Boston Logan Intl
Mon 8/31
5:16 am-11:00 am
1 stop5h 44m
Sarasota Bradenton Intl
Wed 9/2
11:44 am-5:52 pm
1 stop6h 08m
$247
BostonSarasota
BOS - SRQ
BOSSRQ
Boston Logan Intl
Sat 9/12
6:00 pm-11:19 pm
1 stop5h 19m
Sarasota Bradenton Intl
Sun 9/20
6:05 am-12:50 pm
1 stop6h 45m
$247
BostonSarasota
BOS - SRQ
BOSSRQ
Boston Logan Intl
Fri 8/28
5:01 am-11:00 am
1 stop5h 59m
Sarasota Bradenton Intl
Mon 8/31
11:50 am-6:57 pm
1 stop7h 07m
$247
BostonSarasota
BOS - SRQ
BOSSRQ
Boston Logan Intl
Fri 8/21
5:45 am-3:10 pm
2 stops9h 25m
Sarasota Bradenton Intl
Tue 8/25
6:05 am-2:50 pm
2 stops8h 45m
$251
BostonSarasota
BOS - SRQ
BOSSRQ
Boston Logan Intl
Thu 8/27
1:55 pm-10:25 pm
1 stop8h 30m
Sarasota Bradenton Intl
Sun 8/30
6:00 am-11:40 am
1 stop5h 40m
$262
BostonSarasota
BOS - SRQ
BOSSRQ
Boston Logan Intl
Wed 7/15
5:45 am-3:12 pm
2 stops9h 27m
Sarasota Bradenton Intl
Mon 7/20
4:30 pm-1:14 am
1 stop8h 44m
$291
Showing 1-10 of 23 resultsSorted by cheapest first
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.
BOS-SRQ
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
BOS-S1E
BOS-SRQ
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 July 1, 2026.
One of the essential ways to save on airfare from Boston to Siesta Key is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 12% on airfare.
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 July 1, 2026.
The most flights from BOS to S1E are scheduled on a Tuesday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from Boston to Siesta Key?
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 June 27, 2026.
Travelers seeking maximum savings on their Boston to Siesta Key flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 July 1, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAllegiant Air 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.
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
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Boston and Siesta Key flights
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Top 8 airlines flying from Boston to Siesta Key
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$307 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$65 | Average$193 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$75 | Average$255 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$78 | Average$292 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$112 | Average$325 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$150 | Average$369 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$173 | Average$335 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$180 | Average$309 | FlexibilityNo cancel fee | On-time71% |