$646+ Cheap flights from Butte to Key West (BTM - EYW)
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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
BTM — EYW
Nov 28 — Dec 51
1 adult, Economy
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Find cheap flights from Butte to Key West 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 Butte to Key West
Discover tips and strategies to find the most affordable flight options for your journey from Butte (BTM) to Key West (EYW). 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 October 29, 2025.
Most accurate provider | Expedia 2 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $646 (Delta) |
Find flight deals from Butte to Key West
Cheapest flights from Butte to Key WestExplore the most affordable flight options available from Butte to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.
Explore the most affordable flight options available from Butte to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.
This Delta deal was found by Cheapflights users on 10/27. 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.
Wed 12/106:10 pmBTM - EYW
2 stops23h 56mDelta
Sat 12/137:40 amEYW - BTM
2 stops11h 30mDelta
Deal found 10/27![Delta logo]()
$646
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/159:47 amBTM - EYW
3 stops25h 59mUnited Airlines
Wed 11/194:00 pmEYW - BTM
2 stops32h 14mUnited Airlines
Deal found 10/29![United Airlines logo]()
$707
Cheapflights Fare Finder
Customize your flight search to find flights from Butte to Key West 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 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Butte to Key West that are best for you.
Fly from
Butte
Fly to
Key West
Route
Depart
Return
Price
ButteKey West
BTM - EYW
BTMEYW
Butte Silver Bow Co
Wed 12/10
6:10 pm-8:06 pm
2 stops23h 56m
Key West
Sat 12/13
7:40 am-5:10 pm
2 stops11h 30m
$646
ButteKey West
BTM - EYW
BTMEYW
Butte Silver Bow Co
Sat 11/15
9:47 am-1:46 pm
3 stops25h 59m
Key West
Wed 11/19
4:00 pm-10:14 pm
2 stops32h 14m
$707
- Most accurate provider: When it comes to deals on Butte-Key West flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Butte-Key West flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Butte-Key West flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Butte-Key West flights, Cheapflights users trust Expedia the most. Expedia 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 Butte-Key West 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 Butte to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from Butte with our price prediction graph.
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.