$245+ Cheap flights from Helena to Detroit (HLN - DTT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — DTT
Sep 24 — Oct 11
Round-trip
1 adult, Economy
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Find cheap flights from Helena to Detroit with Cheapflights
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Cheapest flights from Helena to DetroitExplore the most affordable flight options available from Helena to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
Explore the most affordable flight options available from Helena to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
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.
Sun 9/612:55 pm -
1 stop9h 04m
Thu 9/105:40 pm -
1 stop6h 44m
Deal found 8/22![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/24. 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 11/72:23 pm -
1 stop5h 52m
Tue 11/103:24 pm -
1 stop8h 07m
Deal found 8/24![United Airlines logo]()
$429
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.
Tue 11/36:28 am -
2 stops12h 30m
Sat 11/76:15 am -
2 stops9h 25m
Deal found 8/20![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 8/23. 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 9/56:50 am -
1 stop6h 19m
Fri 9/118:25 am -
1 stop5h 52m
Deal found 8/23![Delta logo]()
$444
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.
Tue 9/152:26 pm -
1 stop6h 13m
Mon 9/213:29 pm -
1 stop8h 01m
Deal found 8/21![United Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/36:15 am -
1 stop6h 12m
Thu 9/1010:30 am -
2 stops13h 00m
Deal found 8/24![United Airlines logo]()
$449
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.
Fri 10/22:30 pm -
1 stop6h 09m
Mon 10/510:25 am -
2 stops12h 43m
Deal found 8/22![United Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/52:35 pm -
1 stop6h 10m
Sat 9/129:06 am -
1 stop6h 39m
Deal found 8/23![United Airlines logo]()
$534
Best flights from Helena to DetroitDiscover carefully curated flight deals from Helena to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
Discover carefully curated flight deals from Helena to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
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.
Sun 9/612:55 pm -
1 stop9h 04m
Thu 9/105:40 pm -
1 stop6h 44m
Deal found 8/22![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/24. 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 11/72:23 pm -
1 stop5h 52m
Tue 11/103:24 pm -
1 stop8h 07m
Deal found 8/24![United Airlines logo]()
$429
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.
Tue 11/36:28 am -
2 stops15h 16m
Sat 11/73:24 pm -
1 stop8h 07m
Deal found 8/21![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 8/23. 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 9/56:50 am -
1 stop6h 19m
Fri 9/118:25 am -
1 stop5h 52m
Deal found 8/23![Delta logo]()
$444
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.
Tue 9/152:26 pm -
1 stop6h 13m
Mon 9/213:29 pm -
1 stop8h 01m
Deal found 8/21![United Airlines logo]()
$446
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.
Fri 10/22:30 pm -
1 stop6h 09m
Mon 10/510:25 am -
2 stops12h 43m
Deal found 8/22![United Airlines logo]()
$468
Last-minute flights from Helena to DetroitDiscover last-minute flight deals from Helena to Detroit. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Detroit. Data last updated August 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/36:15 am -
1 stop6h 12m
Thu 9/1010:30 am -
2 stops13h 00m
Deal found 8/24![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 8/23. 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 9/56:50 am -
1 stop6h 19m
Fri 9/118:25 am -
1 stop5h 52m
Deal found 8/23![Delta logo]()
$444
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/52:35 pm -
1 stop6h 10m
Sat 9/129:06 am -
1 stop6h 39m
Deal found 8/23![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/56:15 am -
2 stops12h 14m
Fri 9/1112:35 pm -
2 stops10h 55m
Deal found 8/23![United Airlines logo]()
$544
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.
Sun 9/612:55 pm -
1 stop9h 04m
Thu 9/105:40 pm -
1 stop6h 44m
Deal found 8/22![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/112:26 pm -
1 stop6h 13m
Sat 9/195:25 am -
2 stops10h 20m
Deal found 8/23![United Airlines logo]()
$574
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.
Tue 9/152:26 pm -
1 stop6h 13m
Mon 9/213:29 pm -
1 stop8h 01m
Deal found 8/21![United Airlines logo]()
$446
This Expedia deal was found by Cheapflights users on 8/24. 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.
Thu 9/175:18 pm -
1 stop10h 04m
Tue 9/227:01 am -
1 stop11h 40m
Deal found 8/24![Alaska Airlines logo]()
$609
One-way flights from Helena to DetroitSearch for one-way flight options from Helena to Detroit. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
Search for one-way flight options from Helena to Detroit. Find affordable one-way fares based on user searches. Data last updated August 25, 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.
Mon 10/55:26 pm -
1 stop10h 14m
Deal found 8/21![Alaska Airlines logo]()
$245
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.
Mon 10/56:25 am -
2 stops12h 14m
Deal found 8/21![United Airlines logo]()
$735
Find flight deals from Helena to Detroit
Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Detroit (DTT). 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $409 (Delta) |
One-way from | $245 (Alaska Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Helena to Detroit 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 25, 2026.
Use the filters below to find and compare flights from Helena to Detroit that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HelenaDetroit
HLN Helena - DTW Detroit Metropolitan Wayne County
HLNDTW
Helena
Sun 9/6
12:55 pm-11:59 pm
1 stop9h 04m
Detroit Metropolitan Wayne County
Thu 9/10
5:40 pm-10:24 pm
1 stop6h 44m
$409
HelenaDetroit
HLN Helena - DTW Detroit Metropolitan Wayne County
HLNDTW
Helena
Sat 11/7
2:23 pm-10:15 pm
1 stop5h 52m
Detroit Metropolitan Wayne County
Tue 11/10
3:24 pm-9:31 pm
1 stop8h 07m
$429
HelenaDetroit
HLN Helena - DTW Detroit Metropolitan Wayne County
HLNDTW
Helena
Tue 11/3
6:28 am-11:44 pm
2 stops15h 16m
Detroit Metropolitan Wayne County
Sat 11/7
3:24 pm-9:31 pm
1 stop8h 07m
$434
Quickest round-trip
HelenaDetroit
HLN Helena - DTW Detroit Metropolitan Wayne County
HLNDTW
Helena
Sat 9/5
6:50 am-3:09 pm
1 stop6h 19m
Detroit Metropolitan Wayne County
Fri 9/11
8:25 am-12:17 pm
1 stop5h 52m
$444
HelenaDetroit
HLN Helena - DTW Detroit Metropolitan Wayne County
HLNDTW
Helena
Tue 9/15
2:26 pm-10:39 pm
1 stop6h 13m
Detroit Metropolitan Wayne County
Mon 9/21
3:29 pm-9:30 pm
1 stop8h 01m
$446
HelenaDetroit
HLN Helena - DTW Detroit Metropolitan Wayne County
HLNDTW
Helena
Fri 10/2
2:30 pm-10:39 pm
1 stop6h 09m
Detroit Metropolitan Wayne County
Mon 10/5
10:25 am-9:08 pm
2 stops12h 43m
$468
Cheapest one-way
Quickest one-way
HelenaDetroit
HLN Helena - DTW Detroit Metropolitan Wayne County
HLNDTW
Helena
Mon 10/5
5:26 pm-5:40 am
1 stop10h 14m
$245
HelenaDetroit
HLN Helena - DTW Detroit Metropolitan Wayne County
HLNDTW
Helena
Mon 10/5
6:25 am-8:39 pm
2 stops12h 14m
$735
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Helena-Detroit flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Detroit flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-Detroit flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Helena-Detroit 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 Helena-Detroit 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 Helena to Detroit
Have a flexible travel schedule? Discover the best time to fly to Detroit from Helena with our price prediction graph.
HLN-DTT
HLN-DTW
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 Helena to Detroit
HLN-DTT
HLN-DTW
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Helena to Detroit. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Detroit?
Book flights to Detroit if you plan to visit one of these locationsRoseville
Port Huron
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Complete your trip
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Other flights to Detroit
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Helena and Detroit flights
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Other flights from Helena
Browse through other flights departing from Helena. Flights are based on user searches made on Cheapflights and were last updated on August 25, 2026.
Popular flight searches
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Top airline flying from Helena to Detroit
Discover the top airline that operate flights from Helena to Detroit. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$528 | Average$628 | FlexibilityNo cancel fee | On-time69% |