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Union

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Union Flights as Low as $630

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

Delta
Wed, Sep 24 - Tue, Sep 30
AUS
Austin-Bergstrom Intl.
RKD
Knox County Regional
$630 Roundtrip, found 10 hours ago
$630
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Sep 24 from Austin-Bergstrom Intl. to Knox County Regional, returning Tue, Sep 30, priced at $630 found 10 hours ago
JetBlue Airways
Wed, Sep 24 - Tue, Sep 30
AUS
Austin-Bergstrom Intl.
RKD
Knox County Regional
$641 Roundtrip, found 10 hours ago
$641
Roundtrip
found 10 hours ago
Select JetBlue Airways flight, departing Wed, Sep 24 from Austin-Bergstrom Intl. to Knox County Regional, returning Tue, Sep 30, priced at $641 found 10 hours ago
JetBlue Airways
Tue, Sep 23 - Fri, Oct 3
AUS
Austin-Bergstrom Intl.
RKD
Knox County Regional
$643 Roundtrip, found 12 hours ago
$643
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Tue, Sep 23 from Austin-Bergstrom Intl. to Knox County Regional, returning Fri, Oct 3, priced at $643 found 12 hours ago
American Airlines
Wed, Sep 24 - Tue, Sep 30
AUS
Austin-Bergstrom Intl.
RKD
Knox County Regional
$649 Roundtrip, found 10 hours ago
$649
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Sep 24 from Austin-Bergstrom Intl. to Knox County Regional, returning Tue, Sep 30, priced at $649 found 10 hours ago
American Airlines
Tue, Sep 23 - Fri, Oct 3
AUS
Austin-Bergstrom Intl.
RKD
Knox County Regional
$651 Roundtrip, found 12 hours ago
$651
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Sep 23 from Austin-Bergstrom Intl. to Knox County Regional, returning Fri, Oct 3, priced at $651 found 12 hours ago
American Airlines
Sat, Sep 20 - Fri, Oct 3
AUS
Austin-Bergstrom Intl.
RKD
Knox County Regional
$653 Roundtrip, found 12 hours ago
$653
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Sat, Sep 20 from Austin-Bergstrom Intl. to Knox County Regional, returning Fri, Oct 3, priced at $653 found 12 hours ago
Delta
Wed, Sep 24 - Tue, Sep 30
AUS
Austin-Bergstrom Intl.
RKD
Knox County Regional
$661 Roundtrip, found 10 hours ago
$661
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Sep 24 from Austin-Bergstrom Intl. to Knox County Regional, returning Tue, Sep 30, priced at $661 found 10 hours ago
JetBlue Airways
Wed, Sep 24 - Mon, Sep 29
AUS
Austin-Bergstrom Intl.
RKD
Knox County Regional
$682 Roundtrip, found 5 days ago
$682
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Wed, Sep 24 from Austin-Bergstrom Intl. to Knox County Regional, returning Mon, Sep 29, priced at $682 found 5 days ago
Delta
Sat, Jul 5 - Thu, Jul 10
AGS
Augusta Regional
RKD
Knox County Regional
$688 Roundtrip, found 3 days ago
$688
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jul 5 from Augusta Regional to Knox County Regional, returning Thu, Jul 10, priced at $688 found 3 days ago
American Airlines
Wed, Sep 24 - Tue, Sep 30
AUS
Austin-Bergstrom Intl.
RKD
Knox County Regional
$690 Roundtrip, found 10 hours ago
$690
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Sep 24 from Austin-Bergstrom Intl. to Knox County Regional, returning Tue, Sep 30, priced at $690 found 10 hours ago
American Airlines
Sat, Sep 20 - Fri, Oct 3
AUS
Austin-Bergstrom Intl.
RKD
Knox County Regional
$692 Roundtrip, found 12 hours ago
$692
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Sat, Sep 20 from Austin-Bergstrom Intl. to Knox County Regional, returning Fri, Oct 3, priced at $692 found 12 hours ago
JetBlue Airways
Tue, Sep 23 - Fri, Oct 3
AUS
Austin-Bergstrom Intl.
RKD
Knox County Regional
$696 Roundtrip, found 23 hours ago
$696
Roundtrip
found 23 hours ago
Select JetBlue Airways flight, departing Tue, Sep 23 from Austin-Bergstrom Intl. to Knox County Regional, returning Fri, Oct 3, priced at $696 found 23 hours ago
Delta
Sat, Jul 5 - Fri, Jul 11
AGS
Augusta Regional
RKD
Knox County Regional
$698 Roundtrip, found 3 days ago
$698
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jul 5 from Augusta Regional to Knox County Regional, returning Fri, Jul 11, priced at $698 found 3 days ago
Delta
Mon, Sep 22 - Tue, Sep 30
AUS
Austin-Bergstrom Intl.
RKD
Knox County Regional
$700 Roundtrip, found 13 hours ago
$700
Roundtrip
found 13 hours ago
Select Delta flight, departing Mon, Sep 22 from Austin-Bergstrom Intl. to Knox County Regional, returning Tue, Sep 30, priced at $700 found 13 hours ago
Delta
Sat, Jul 5 - Wed, Jul 9
AGS
Augusta Regional
RKD
Knox County Regional
$708 Roundtrip, found 3 days ago
$708
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jul 5 from Augusta Regional to Knox County Regional, returning Wed, Jul 9, priced at $708 found 3 days ago
JetBlue Airways
Mon, Sep 22 - Mon, Sep 29
AUS
Austin-Bergstrom Intl.
RKD
Knox County Regional
$711 Roundtrip, found 1 day ago
$711
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Sep 22 from Austin-Bergstrom Intl. to Knox County Regional, returning Mon, Sep 29, priced at $711 found 1 day ago

Cheap Flights to Union

Fall in love at first flight with your vacation to Union by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Union on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Union, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Union

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Union with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the AUG airport.

What is the cheapest month to fly to Union?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Union are in September, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Union?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 16 to choose from for your flight to Union.

What airport is best to fly into Union?

When you’re planning your trip to Union, convenience is the name of the game. Luckily, Union Knox County Regional Airport is nearby so you can deplane and get going on checking off everything on your Union must-do list.

How much are flights to Union?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Union on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $630, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Union?

The trick to saving a stack of cash on your flight to Union? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $630 right now, why wait?

Union Flight Information
Destination airport
Knox County Regional
Destination airport IATA code
RKD
Roundtrip price
$629

Last Minute Hotel Deals in Union

Fireside Inn & Suites - Belfast
Fireside Inn & Suites - Belfast
3 out of 5
159 Searsport Avenue, Belfast, ME
Stay at this 3-star beach hotel in Belfast. Enjoy free WiFi, free parking, and a fitness center. Our guests praise the helpful staff and the clean rooms in our ...
8.6/10 Excellent! (808 reviews)
"Hotel was clean but a little dated. Very nice view and amenities on the property. Nearby was kind of run down and not much to do. The ADK chairs and the view made morning coffee nice. Bring your own breakfast - none provided. Do try Chase’s Daily in Belfast - amazing food and ice cream. Also be sure ..."

Reviewed on Jun 27, 2025

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Fireside Inn & Suites - Belfast
Belfast Harbor Inn
Belfast Harbor Inn
3.5 out of 5
91 Searsport Ave, Belfast, ME
Stay at this 3.5-star beach hotel in Belfast. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our ...
9.6/10 Exceptional! (1,008 reviews)
"The Belfast Harbor Inn is FANTASTIC. The rooms are clean and comfortable. The breakfast in the morning is SO delicious. This was our second stay and we will absolutely be back. I almost don’t want to write a review so they don’t get too busy or expensive haha!! It’s safe for families and has two ..."

Reviewed on Jun 28, 2025

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Belfast Harbor Inn
Colonial Gables Oceanfront Village
Colonial Gables Oceanfront Village
2.5 out of 5
7 Eagle Avenue, Belfast, ME
Book a stay at this beach hotel in Belfast. Enjoy free WiFi, free parking, and a private beach. Our guests praise the helpful staff and the clean rooms in our ...
9.4/10 Exceptional! (1,000 reviews)
Perfect stay!
"We enjoyed our cottage. It was just right for our couple vacation to the Northeast. If we come back to Maine with other family, we will stay again."

Reviewed on Jun 29, 2025

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Colonial Gables Oceanfront Village
The Country Inn at Camden Rockport
The Country Inn at Camden Rockport
2.5 out of 5
8 Country Inn Way, Rockport, ME
Book a stay at this business-friendly hotel in Rockport. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the pool in our ...
9.4/10 Exceptional! (1,007 reviews)
"Absolutely charming, clean, and perfect for our out of town wedding weekend. Everyone we met said the same thing… this place is great! Gas fire pit, indoor pool and hot tub, breakfast included. Just 5 stars out of 5!!!! Mini golf seconds away. Highly recommend"

Reviewed on Jun 29, 2025

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The Country Inn at Camden Rockport
Harborline Hotel
Harborline Hotel
3 out of 5
6 Park Drive, Rockland, ME
Stay at this 3-star hotel in Rockland. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the clean rooms in our reviews. Popular attractions ...
8.4/10 Very Good! (49 reviews)
"Decent room in a convenient location. Did not have curtains to cover the windows, so we had to use towels. Manager explained that new curtains were ordered, but delayed. They really should have left the old ones up until the new ones arrived. The sun streams in at 6:30 every morning."

Reviewed on Jun 25, 2025

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Harborline Hotel
Cedar Crest Inn
Cedar Crest Inn
2.5 out of 5
115 Elm Street, Camden, ME
Stay at this motel in Camden. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
8.6/10 Excellent! (623 reviews)
Awesome Motel!
"Loved this place! We really like the old style "motel" where you can park right in front of the room. Super friendly staff and helpful. Nice bar on site. The pool was awesome."

Reviewed on Jun 29, 2025

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Cedar Crest Inn
Glen Cove Inn & Suites
Glen Cove Inn & Suites
2.5 out of 5
866 Commercial St., Route 1, Rockport, ME
Stay at this motel in Rockport. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular ...
9.4/10 Exceptional! (907 reviews)
"We liked the inn but were disappointed we couldn’t even see the water. When I read the description it sounded like it was on a private beach. There was no beach, anywhere nearby."

Reviewed on Jun 28, 2025

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Glen Cove Inn & Suites
Camden Riverhouse Hotel
Camden Riverhouse Hotel
2.5 out of 5
11 Tannery Lane, Camden, ME
Stay at this hotel in Camden. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular ...
9.4/10 Exceptional! (998 reviews)
"Everything about the property was excellent. The staff could be a little less strict about the check in time!"

Reviewed on Jun 28, 2025

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Camden Riverhouse Hotel
See all 1,295 properties in Union
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.