Cheap Flights to Grant County from $118 (2026/2027)

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A calm lake with clear reflections, surrounded by autumn-colored trees and rocky shores.

Milbank

Flights
Milbank

How Much Does it Cost To Fly To Grant County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Sat, Nov 21 - Sat, Nov 28
DEN
Denver Intl.
ATY
Watertown Regional
$240 Roundtrip, found 5 days ago
$240
Roundtrip
found 5 days ago
Select United flight, departing Sat, Nov 21 from Denver Intl. to Watertown Regional, returning Sat, Nov 28, priced at $240 found 5 days ago
Thu, Oct 1 - Mon, Oct 5
DEN
Denver Intl.
ATY
Watertown Regional
$244 Roundtrip, found 2 days ago
$244
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 1 from Denver Intl. to Watertown Regional, returning Mon, Oct 5, priced at $244 found 2 days ago
Fri, Oct 2 - Sun, Oct 4
DEN
Denver Intl.
ATY
Watertown Regional
$269 Roundtrip, found 3 days ago
$269
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 2 from Denver Intl. to Watertown Regional, returning Sun, Oct 4, priced at $269 found 3 days ago
Fri, Sep 25 - Mon, Sep 28
DEN
Denver Intl.
ATY
Watertown Regional
$270 Roundtrip, found 7 hours ago
$270
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Sep 25 from Denver Intl. to Watertown Regional, returning Mon, Sep 28, priced at $270 found 7 hours ago
Fri, Sep 25 - Mon, Sep 28
DEN
Denver Intl.
ATY
Watertown Regional
$274 Roundtrip, found 7 hours ago
$274
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Sep 25 from Denver Intl. to Watertown Regional, returning Mon, Sep 28, priced at $274 found 7 hours ago
Fri, Apr 30 - Sat, May 8
AUS
Austin-Bergstrom Intl.
ATY
Watertown Regional
$314 Roundtrip, found 1 day ago
$314
Roundtrip
found 1 day ago
Select United flight, departing Fri, Apr 30 from Austin-Bergstrom Intl. to Watertown Regional, returning Sat, May 8, priced at $314 found 1 day ago
Fri, Apr 30 - Sat, May 8
AUS
Austin-Bergstrom Intl.
ATY
Watertown Regional
$314 Roundtrip, found 1 day ago
$314
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Apr 30 from Austin-Bergstrom Intl. to Watertown Regional, returning Sat, May 8, priced at $314 found 1 day ago
Fri, Apr 30 - Sat, May 8
AUS
Austin-Bergstrom Intl.
ATY
Watertown Regional
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select United flight, departing Fri, Apr 30 from Austin-Bergstrom Intl. to Watertown Regional, returning Sat, May 8, priced at $319 found 1 day ago
OriginDestinationTravel DatesFlights From*
MSPWatertownOctober 22 to October 25$193
DENWatertownNovember 21 to November 28$240
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DENWatertownSeptember 4 to September 6$440
*Prices include taxes and fees

Travelers ❤️ These Grant County 🏨

Grandstay Hotel and Suites Milbank

Grandstay Hotel and Suites Milbank

2.5 out of 5
1005 S. Dakota Street Milbank SD
Stay at this hotel in Milbank. Enjoy free breakfast, free WiFi, and free parking. Popular attraction Lake Farley Park is located nearby.
Opens in a new windowGrandstay Hotel and Suites Milbank
Super 8 by Wyndham Milbank SD

Super 8 by Wyndham Milbank SD

2 out of 5
1205 E Highway 12 Milbank SD
Book a stay at this business-friendly motel in Milbank. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attraction Lake Farley Park is located nearby.
7.6/10 Good! (236 reviews)
"The bathroom in Room 104 really needs attention. The wall by the shower and toilet was nasty, falling apart. The shower head was very low, not good if your 6'3. The housekeeping ladies very nice. The prices on the rooms were cheaper, I guess you get what you pay for."

Reviewed on Aug 14, 2026

Opens in a new windowSuper 8 by Wyndham Milbank SD
Lantern Motel

Lantern Motel

2 out of 5
1010 S Dakota St Milbank SD
Stay at this motel in Milbank. Enjoy free breakfast, free WiFi, and free parking. Popular attraction Lake Farley Park is located nearby.
Opens in a new windowLantern Motel
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1BR cabin on Big Stone Lake

1BR cabin on Big Stone Lake

Big Stone City SD
Stay at this cabin in Big Stone City. Enjoy air conditioning. Popular attractions Lakeside Park and Cliffs Park are located nearby.
10/10 Exceptional! (19 reviews)
"Super clean, nice property. I highly recommend it. Quiet and peaceful."

Reviewed on Aug 26, 2026

Opens in a new window 1BR cabin on Big Stone Lake
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.

Frequently asked questions

How much is the cheapest flight to Grant County?
In the last seven days, the cheapest roundtrip flight to Grant County cost $193 on our site. Check out our fabulous deals, book your tickets and start planning your next exciting getaway. This price was available on Travelocity for flights to Grant County departing within the next year. Prices and availability are subject to change. Additional terms apply.
Which airlines fly to Grant County?
Lock in a seat with one of the 15 airlines that jet to Grant County. If your first stop is Milbank, let United Airlines whisk you away to this dynamic city to explore its highlights. This reputable carrier offers 52 flights there each month.
What is the cheapest month to fly to Grant County?
November is the cheapest period to jet to Grant County based on Travelocity's direct return flight demand between January and December last year. We'll help you lock in an amazing deal so you can start organizing your vacation today.
How can I check my flight status to Grant County?
Make the most of the Travelocity portal, Trips. You'll find just about everything related to your flight to Grant County here, including alerts about gate changes, flight status and more. Keep an eye out for Trips at the top of the Travelocity homepage. Just create your free acount and get the answers you need. Alternatively, you can look up your itinerary while you're on the move and get trip updates through the Travelocity app. All your itineraries are in one place, so you can quickly share details with any members of your family flying with you.
How do I find the best deals on flights to Grant County?
There are a few ways — book early, avoid peak season and be flexible with your dates. If your dates aren't set in stone, search for your flight to Grant County on Travelocity and hit "Flexible dates" above your results. This will reveal any cheaper tickets on a nearby day. $193 was the best price for a roundtrip flight to Grant County in the last seven days. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Grant County with Travelocity?
From cheap family flights to all-inclusive resorts and activities, Travelocity has got you covered for incredible adventures. With everything at your fingertips, you can relax while daydreaming about all the cool things that await you in Grant County and less time on travel planning. Plus with our Price Match Guarantee and 24/7 customer support, we do our best to make your next getaway a fabulous one.
How much is a flight to Grant County on average?
Travelers were picking up roundtrip flights to Grant County for between $193 and $440 with Travelocity in the last seven days. Whether you're looking to fly budget or business class, we'll help you get your hands on an amazing deal. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What can I expect on a flight to Grant County?
If you're about to hop on a long-haul flight to Grant County, you can usually expect drinks, food and entertainment on board. Airlines attempt to make longer flights as pleasant as possible for passengers. Brief trips — as well as flights offered by low-cost airlines — may not come with as many inclusions. If you're chasing cheap flights for family vacations with a low-cost carrier, you'll possibly pay extra for things like snacks and drinks.