$200 Cheap Flights from Sioux Falls (FSD) to Boston (BOS)

You can find cheap one-way flights from $200 and cheap return flights from $299 Sioux Falls, SD (FSD-Sioux Falls Regional) to Boston, MA (BOS-Logan Intl.) with Expedia. One-way flights generally range between $148 and $930, and roundtrip flights usually range from $423 to $1308. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Sioux Falls, SD (FSD-Sioux Falls Regional) to Boston, MA (BOS-Logan Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

January is the cheapest month to fly from Sioux Falls, SD (FSD-Sioux Falls Regional) to Boston, MA (BOS-Logan Intl.), with average round-trip fares around $428. This is about 21% lower than the average price throughout the year, as January typically experiences lower travel demand. Other budget-friendly months include August and October.*Averages based on flights available on Expedia in the last year.

For flights from Sioux Falls to Boston, January and October are the best months to fly, with average return flight prices around $428. These months provide a good mix of lower prices and favorable travel conditions, making your journey more enjoyable.*Prices based on flights available on Expedia in the last year.

First class seats are offered on the FSD to BOS route. First class cabins are available on:

• Delta Air Lines
• American Airlines
• United Airlines

It's easy to earn miles on a Sioux Falls, SD (FSD-Sioux Falls Regional) to Boston, MA (BOS-Logan Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.