$344+ Cheap flights from Detroit to Helena (DTT - HLN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — HLN
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from Detroit to Helena with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Detroit to Helena
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Cheapest flights from Detroit to HelenaExplore the most affordable flight options available from Detroit to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
Explore the most affordable flight options available from Detroit to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/1411:15 am -
2 stops12h 03m
Tue 10/202:30 pm -
1 stop6h 09m
Deal found 8/18![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 8/22. 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 9/192:00 pm -
2 stops10h 29m
Sat 9/2612:57 pm -
1 stop9h 02m
Deal found 8/22![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 8/18. 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 9/55:40 pm -
1 stop6h 50m
Wed 9/912:57 pm -
1 stop9h 02m
Deal found 8/18![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 8/18. 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 9/55:40 pm -
1 stop6h 50m
Sun 9/612:55 pm -
1 stop9h 04m
Deal found 8/18![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/113:29 pm -
1 stop8h 01m
Tue 9/152:26 pm -
1 stop6h 13m
Deal found 8/18![United Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 8/18. 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 11/118:45 am -
1 stop6h 55m
Sat 11/146:28 am -
1 stop5h 59m
Deal found 8/18![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/22. 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 10/65:20 am -
2 stops9h 08m
Tue 10/131:08 pm -
1 stop8h 51m
Deal found 8/22![Delta logo]()
$433
Best flights from Detroit to HelenaDiscover carefully curated flight deals from Detroit to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from Detroit to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This Delta deal was found by Cheapflights users on 8/21. 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.
Sun 9/68:20 am -
1 stop5h 55m
Thu 9/1012:57 pm -
1 stop9h 02m
Deal found 8/21![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/21. 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 11/118:45 am -
1 stop6h 55m
Sat 11/146:28 am -
1 stop5h 59m
Deal found 8/21![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/103:31 pm -
1 stop7h 47m
Sat 10/176:25 am -
1 stop6h 08m
Deal found 8/18![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 8/22. 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 10/62:02 pm -
2 stops9h 06m
Tue 10/136:25 am -
2 stops12h 15m
Deal found 8/22![United Airlines logo]()
$500
Last-minute flights from Detroit to HelenaDiscover last-minute flight deals from Detroit to Helena. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Helena. Data last updated August 22, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/18. 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 9/55:40 pm -
1 stop6h 50m
Wed 9/912:57 pm -
1 stop9h 02m
Deal found 8/18![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 8/18. 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 9/55:40 pm -
1 stop6h 50m
Sun 9/65:40 am -
2 stops12h 35m
Deal found 8/18![Delta logo]()
$414
This Delta deal was found by Cheapflights users on 8/21. 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.
Sun 9/65:40 pm -
1 stop6h 50m
Thu 9/1012:57 pm -
2 stops9h 57m
Deal found 8/21![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/113:29 pm -
1 stop8h 01m
Tue 9/152:26 pm -
1 stop6h 13m
Deal found 8/18![United Airlines logo]()
$423
This Expedia deal was found by Cheapflights users on 8/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:39 pm -
1 stop25h 02m
Tue 9/225:18 pm -
1 stop10h 04m
Deal found 8/18![Alaska Airlines logo]()
$549
This Delta deal was found by Cheapflights users on 8/19. 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 9/189:30 pm -
2 stops26h 59m
Mon 9/2112:57 pm -
1 stop9h 02m
Deal found 8/19![Delta logo]()
$547
This Delta deal was found by Cheapflights users on 8/22. 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 9/192:00 pm -
2 stops10h 29m
Sat 9/2612:57 pm -
1 stop9h 02m
Deal found 8/22![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 8/19. 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 9/192:00 pm -
2 stops10h 29m
Mon 9/2112:57 pm -
1 stop9h 02m
Deal found 8/19![Delta logo]()
$473
This Alaska Airlines deal was found by Cheapflights users on 8/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:01 am -
1 stop11h 40m
Sat 9/265:18 pm -
1 stop10h 04m
Deal found 8/22![Alaska Airlines logo]()
$474
One-way flights from Detroit to HelenaSearch for one-way flight options from Detroit to Helena. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from Detroit to Helena. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:39 pm -
1 stop25h 02m
Deal found 8/21![Alaska Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 8/20. 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 10/110:25 am -
2 stops12h 43m
Deal found 8/20![United Airlines logo]()
$568
Find flight deals from Detroit to Helena
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Helena (HLN). 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 August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Detroit to Helena 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 7,457,451 searches. Data last updated August 22, 2026.
Use the filters below to find and compare flights from Detroit to Helena that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DetroitHelena
DTW Detroit Metropolitan Wayne County - HLN Helena
DTWHLN
Detroit Metropolitan Wayne County
Sun 9/6
8:20 am-12:15 pm
1 stop5h 55m
Helena
Thu 9/10
12:57 pm-11:59 pm
1 stop9h 02m
$409
Quickest round-trip
DetroitHelena
DTW Detroit Metropolitan Wayne County - HLN Helena
DTWHLN
Detroit Metropolitan Wayne County
Wed 11/11
8:45 am-1:40 pm
1 stop6h 55m
Helena
Sat 11/14
6:28 am-2:27 pm
1 stop5h 59m
$429
DetroitHelena
DTW Detroit Metropolitan Wayne County - HLN Helena
DTWHLN
Detroit Metropolitan Wayne County
Sat 10/10
3:31 pm-9:18 pm
1 stop7h 47m
Helena
Sat 10/17
6:25 am-2:33 pm
1 stop6h 08m
$489
DetroitHelena
DTW Detroit Metropolitan Wayne County - HLN Helena
DTWHLN
Detroit Metropolitan Wayne County
Tue 10/6
2:02 pm-9:08 pm
2 stops9h 06m
Helena
Tue 10/13
6:25 am-8:40 pm
2 stops12h 15m
$500
Cheapest one-way
Quickest one-way
DetroitHelena
DTW Detroit Metropolitan Wayne County - HLN Helena
DTWHLN
Detroit Metropolitan Wayne County
Thu 10/1
10:25 am-9:08 pm
2 stops12h 43m
$568
Sorted by cheapest first
Compare providers for flights from Detroit to Helena
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 Detroit to Helena in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Detroit-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Helena flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Detroit-Helena 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 Detroit-Helena 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 Detroit to Helena
Have a flexible travel schedule? Discover the best time to fly to Helena from Detroit with our price prediction graph.
DTT-HLN
DTW-HLN
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 Detroit to Helena
DTT-HLN
DTW-HLN
No data available for this route at this time. Please check back soon.
Related info for your journey
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