$238+ Cheap flights from Sioux Falls to Boston (FSD - BOS)
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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — BOS
Jul 14 — Jul 211
Round-trip
1 adult, Economy
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Cheapest flights from Sioux Falls to BostonExplore the most affordable flight options available from Sioux Falls to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.
Explore the most affordable flight options available from Sioux Falls to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.
This United Airlines deal was found by Cheapflights users on 6/13. 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 9/237:47 am
FSD
- BOS
1 stop5h 20m
United Airlines
Sat 9/265:01 pm
BOS
- FSD
1 stop7h 10m
United Airlines
Deal found 6/13![United Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 6/11. 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 11/117:40 am
FSD
- BOS
1 stop5h 22m
United Airlines
Sat 11/142:16 pm
BOS
- FSD
2 stops8h 27m
United Airlines
Deal found 6/11![United Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/3012:11 pm
FSD
- BOS
1 stop6h 19m
American Airlines
Tue 10/66:52 am
BOS
- FSD
1 stop5h 34m
American Airlines
Deal found 6/11![American Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:56 pm
FSD
- BOS
1 stop8h 59m
American Airlines
Sat 9/266:00 am
BOS
- FSD
1 stop6h 41m
American Airlines
Deal found 6/9![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/286:38 pm
FSD
- BOS
1 stop5h 36m
United Airlines
Mon 8/316:50 pm
BOS
- FSD
1 stop5h 32m
United Airlines
Deal found 6/10![United Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Thu 8/276:39 pm
FSD
- BOS
1 stop5h 36m
United Airlines
Mon 8/313:30 pm
BOS
- FSD
2 stops8h 52m
United Airlines
Deal found 6/13![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/156:41 pm
FSD
- BOS
1 stop5h 33m
United Airlines
Sat 9/192:28 pm
BOS
- FSD
2 stops9h 24m
United Airlines
Deal found 6/11![United Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:20 pm
FSD
- BOS
1 stop6h 39m
Delta
Sat 10/35:55 am
BOS
- FSD
1 stop7h 29m
Delta
Deal found 6/9![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/297:47 am
FSD
- BOS
1 stop5h 20m
United Airlines
Tue 9/13:30 pm
BOS
- FSD
2 stops8h 52m
United Airlines
Deal found 6/11![United Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Sat 7/1112:20 pm
FSD
- BOS
1 stop9h 50m
American Airlines
Wed 7/155:38 pm
BOS
- FSD
1 stop7h 40m
American Airlines
Deal found 6/13![American Airlines logo]()
$351
Best flights from Sioux Falls to BostonDiscover carefully curated flight deals from Sioux Falls to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 14, 2026.
Discover carefully curated flight deals from Sioux Falls to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 14, 2026.
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1110:53 am
FSD
- BOS
1 stop7h 18m
Delta
Wed 7/155:55 am
BOS
- FSD
1 stop7h 18m
Delta
Deal found 6/9![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/16:28 pm
FSD
- BOS
1 stop5h 46m
United Airlines
Sat 7/116:43 pm
BOS
- FSD
1 stop5h 48m
United Airlines
Deal found 6/10![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Mon 8/34:44 pm
FSD
- BOS
1 stop15h 50m
American Airlines
Sat 8/87:24 am
BOS
- FSD
1 stop10h 29m
American Airlines
Deal found 6/14![American Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 6/10. 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 7/35:12 am
FSD
- BOS
1 stop4h 33m
Delta
Thu 7/95:55 pm
BOS
- FSD
1 stop6h 11m
Delta
Deal found 6/10![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 7/2510:53 am
FSD
- BOS
1 stop7h 18m
Delta
Wed 7/295:55 am
BOS
- FSD
1 stop7h 54m
Delta
Deal found 6/11![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/291:33 pm
FSD
- BOS
2 stops10h 42m
United Airlines
Tue 9/110:38 am
BOS
- FSD
2 stops10h 29m
United Airlines
Deal found 6/11![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:26 pm
FSD
- BOS
1 stop7h 35m
Delta
Sun 8/307:10 am
BOS
- FSD
1 stop6h 28m
Delta
Deal found 6/9![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/186:28 pm
FSD
- BOS
1 stop5h 46m
United Airlines
Wed 7/225:45 am
BOS
- FSD
2 stops18h 46m
United Airlines
Deal found 6/9![United Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 6/10. 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 7/161:30 pm
FSD
- BOS
1 stop9h 25m
Delta
Wed 7/225:55 am
BOS
- FSD
1 stop7h 54m
Delta
Deal found 6/10![Delta logo]()
$473
Last-minute flights from Sioux Falls to BostonDiscover last-minute flight deals from Sioux Falls to Boston. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux Falls to Boston. Data last updated June 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/13. 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 6/196:30 pm
FSD
- BOS
1 stop5h 44m
United Airlines
Sat 6/274:57 pm
BOS
- FSD
1 stop7h 56m
United Airlines
Deal found 6/13![United Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/224:40 pm
FSD
- BOS
1 stop15h 50m
American Airlines
Thu 6/258:57 am
BOS
- FSD
1 stop16h 23m
American Airlines
Deal found 6/9![American Airlines logo]()
$675
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 6/221:18 pm
FSD
- BOS
2 stops10h 56m
United Airlines
Thu 6/255:00 pm
BOS
- FSD
1 stop7h 31m
United Airlines
Deal found 6/9![United Airlines logo]()
$966
This Delta deal was found by Cheapflights users on 6/11. 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 6/2210:56 am
FSD
- BOS
1 stop7h 14m
Delta
Tue 6/235:50 pm
BOS
- FSD
1 stop6h 22m
Delta
Deal found 6/11![Delta logo]()
$997
This United Airlines deal was found by Cheapflights users on 6/11. 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 6/2211:25 am
FSD
- BOS
2 stops11h 34m
United Airlines
Tue 6/239:50 am
BOS
- FSD
1 stop5h 42m
United Airlines
Deal found 6/11![United Airlines logo]()
$1,002
This Delta deal was found by Cheapflights users on 6/10. 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 6/231:53 pm
FSD
- BOS
1 stop7h 06m
Delta
Thu 6/255:55 am
BOS
- FSD
1 stop5h 21m
Delta
Deal found 6/10![Delta logo]()
$847
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/237:40 am
FSD
- BOS
2 stops9h 17m
United Airlines
Thu 6/255:00 pm
BOS
- FSD
1 stop7h 31m
United Airlines
Deal found 6/10![United Airlines logo]()
$927
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/246:30 pm
FSD
- BOS
1 stop5h 44m
United Airlines
Sat 6/276:43 pm
BOS
- FSD
1 stop5h 48m
United Airlines
Deal found 6/10![United Airlines logo]()
$628
One-way flights from Sioux Falls to BostonSearch for one-way flight options from Sioux Falls to Boston. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
Search for one-way flight options from Sioux Falls to Boston. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Thu 7/26:36 pm
FSD
- BOS
2 stops37h 14m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$238
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:23 pm
FSD
- BOS
1 stop16h 09m
American Airlines
Deal found 6/9![American Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Thu 11/125:19 pm
FSD
- BOS
2 stops38h 00m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$255
This American Airlines deal was found by Cheapflights users on 6/10. 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 12/117:20 pm
FSD
- BOS
1 stop13h 15m
American Airlines
Deal found 6/10![American Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/151:06 pm
FSD
- BOS
2 stops43h 08m
Allegiant Air
Deal found 6/9![Allegiant Air logo]()
$287
This American Airlines deal was found by Cheapflights users on 6/13. 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 9/45:23 pm
FSD
- BOS
1 stop16h 09m
American Airlines
Deal found 6/13![American Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 6/11. 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 11/125:15 am
FSD
- BOS
1 stop7h 50m
Delta
Deal found 6/11![Delta logo]()
$324
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:01 pm
FSD
- BOS
1 stop15h 33m
American Airlines
Deal found 6/9![American Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:08 pm
FSD
- BOS
3 stops36h 06m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Sun 6/216:51 pm
FSD
- BOS
2 stops38h 57m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 6/241:06 pm
FSD
- BOS
2 stops44h 59m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$338
Find flight deals from Sioux Falls to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Boston (BOS). 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 June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $299 (United Airlines) |
One-way from | $238 (Kiwi.com) |
Popular in | June |
Cheapest in | July |
Average price | $612 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sioux Falls to Boston 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 June 14, 2026.
Use the filters below to find and compare flights from Sioux Falls to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Sioux FallsBoston
FSD - BOS
FSDBOS
Sioux Falls Joe Foss Field
Sat 7/11
10:53 am-7:11 pm
1 stop7h 18m
Boston Logan Intl
Wed 7/15
5:55 am-12:13 pm
1 stop7h 18m
$299
Quickest round-trip
Sioux FallsBoston
FSD - BOS
FSDBOS
Sioux Falls Joe Foss Field
Fri 7/3
5:12 am-10:45 am
1 stop4h 33m
Boston Logan Intl
Thu 7/9
5:55 pm-11:06 pm
1 stop6h 11m
$314
Sioux FallsBoston
FSD - BOS
FSDBOS
Sioux Falls Joe Foss Field
Sat 7/25
10:53 am-7:11 pm
1 stop7h 18m
Boston Logan Intl
Wed 7/29
5:55 am-12:49 pm
1 stop7h 54m
$329
Sioux FallsBoston
FSD - BOS
FSDBOS
Sioux Falls Joe Foss Field
Fri 8/28
1:26 pm-10:01 pm
1 stop7h 35m
Boston Logan Intl
Sun 8/30
7:10 am-12:38 pm
1 stop6h 28m
$379
Sioux FallsBoston
FSD - BOS
FSDBOS
Sioux Falls Joe Foss Field
Wed 7/1
6:28 pm-1:14 am
1 stop5h 46m
Boston Logan Intl
Sat 7/11
6:43 pm-11:31 pm
1 stop5h 48m
$389
Sioux FallsBoston
FSD - BOS
FSDBOS
Sioux Falls Joe Foss Field
Sat 8/29
1:33 pm-1:15 am
2 stops10h 42m
Boston Logan Intl
Tue 9/1
10:38 am-8:07 pm
2 stops10h 29m
$399
Sioux FallsBoston
FSD - BOS
FSDBOS
Sioux Falls Joe Foss Field
Mon 8/3
4:44 pm-9:34 am
1 stop15h 50m
Boston Logan Intl
Sat 8/8
7:24 am-4:53 pm
1 stop10h 29m
$471
Sioux FallsBoston
FSD - BOS
FSDBOS
Sioux Falls Joe Foss Field
Thu 7/16
1:30 pm-11:55 pm
1 stop9h 25m
Boston Logan Intl
Wed 7/22
5:55 am-12:49 pm
1 stop7h 54m
$473
Sioux FallsBoston
FSD - BOS
FSDBOS
Sioux Falls Joe Foss Field
Sat 7/18
6:28 pm-1:14 am
1 stop5h 46m
Boston Logan Intl
Wed 7/22
5:45 am-11:31 pm
2 stops18h 46m
$489
Cheapest one-way
Sioux FallsBoston
FSD - BOS
FSDBOS
Sioux Falls Joe Foss Field
Wed 7/15
1:06 pm-9:14 am
2 stops43h 08m
$287
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Sioux Falls to Boston
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 Sioux Falls to Boston in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Sioux Falls-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sioux Falls-Boston 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 Sioux Falls-Boston 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 Sioux Falls to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Sioux Falls with our price prediction graph.
FSD-BOS
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 Sioux Falls to Boston
What is the cheapest month to book a flight from Sioux Falls to Boston?
Currently, July is the cheapest month in which you can book a flight from Sioux Falls to Boston (average of $339). Flying from Sioux Falls to Boston in June is currently the most expensive (average of $612). 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.
How much does it cost to fly round-trip from Sioux Falls to Boston?
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated June 14, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Sioux Falls to Boston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Sioux Falls to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$250 | Average$518 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$268 | Average$394 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$293 | Average$438 | FlexibilityNo cancel fee | On-timeN/A |