$149 Cheap United flights from Billings to Sioux Falls (BIL to FSD)

Find The Best Day To Fly from Billings to Sioux Falls

Amazing United BIL to FSD Flight Deals

The cheapest flights to Sioux Falls Regional found within the past 7 days were $373 round trip and $149 one way. Prices and availability subject to change. Additional terms may apply.

Thu, Aug 7 - Sat, Aug 9
BIL
Billings
FSD
Sioux Falls
$373 Roundtrip, found 12 hours ago
$373
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Aug 7 from Billings to Sioux Falls, returning Sat, Aug 9, priced at $373 found 12 hours ago
Mon, Aug 4 - Thu, Aug 7
BIL
Billings
FSD
Sioux Falls
$381 Roundtrip, found 12 hours ago
$381
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Aug 4 from Billings to Sioux Falls, returning Thu, Aug 7, priced at $381 found 12 hours ago
Mon, Aug 4 - Thu, Aug 7
BIL
Billings
FSD
Sioux Falls
$389 Roundtrip, found 12 hours ago
$389
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Aug 4 from Billings to Sioux Falls, returning Thu, Aug 7, priced at $389 found 12 hours ago
Thu, Aug 7 - Thu, Aug 7
BIL
Billings
FSD
Sioux Falls
$396 Roundtrip, found 12 hours ago
$396
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Aug 7 from Billings to Sioux Falls, returning Thu, Aug 7, priced at $396 found 12 hours ago
Wed, Aug 6 - Thu, Aug 7
BIL
Billings
FSD
Sioux Falls
$401 Roundtrip, found 12 hours ago
$401
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Aug 6 from Billings to Sioux Falls, returning Thu, Aug 7, priced at $401 found 12 hours ago
Mon, Aug 4 - Sat, Aug 9
BIL
Billings
FSD
Sioux Falls
$406 Roundtrip, found 12 hours ago
$406
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Aug 4 from Billings to Sioux Falls, returning Sat, Aug 9, priced at $406 found 12 hours ago

Frequently asked questions

Can I catch a flight from BIL to Sioux Falls Regional Airport (FSD) right now?
For any present FSD travel advice and quarantine requirements, go to our Covid-19 Travel Advisor. Check before you arrange your flight, so you don't get caught up en route.
What terminal is United Airlines at Billings Logan International Airport?
As soon as you're issued your ticket for your United Airlines flight from Logan Intl. Airport (BIL) to Joe Foss Field, check if the terminal details are written on it. If not, you might like to ask your airline. They'll be able to let you know where you'll be flying into and out of.
Are there United Airlines non-stop flights from BIL to FSD?
United Airlines doesn't have direct flights between Billings Logan International Airport and Joe Foss Field, so be prepared to make a stopover. If you have time to spare between flights, browse the airport shops while waiting for your connection.
How long is a United Airlines flight from BIL to FSD?
From the instant your United Airlines aircraft is pushed back from the gate at BIL to the moment it pulls into Sioux Falls Regional Airport (FSD), you'll be in your seat for about 3 hours and 22 minutes. With such a short flight time, it's a fantastic spur-of-the-moment escape.
How many direct and indirect flights does United Airlines fly from BIL to FSD?
There are around 3 flights daily with United Airlines from BIL to Sioux Falls Regional Airport (FSD).
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to FSD, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

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Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.