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Key West

$539+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
BTM — EYW
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Butte to Key West

Cheapest flights from Butte to Key West
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 December 12, 2025.

This Delta deal was found by Cheapflights users on 12/11. 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 12/206:10 pmBTM - EYW
2 stops14h 42mDelta
Tue 12/237:25 amEYW - BTM
2 stops11h 45mDelta
Deal found 12/11$579
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/249:44 amBTM - EYW
2 stops23h 57mUnited Airlines
Thu 12/254:29 pmEYW - BTM
2 stops32h 00mUnited Airlines
Deal found 12/11$692
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/229:44 amBTM - EYW
2 stops28h 45mUnited Airlines
Wed 12/244:08 pmEYW - BTM
2 stops25h 49mUnited Airlines
Deal found 12/11$720
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/209:44 amBTM - EYW
2 stops23h 57mUnited Airlines
Thu 12/254:29 pmEYW - BTM
2 stops32h 00mUnited Airlines
Deal found 12/11$756
This Delta deal was found by Cheapflights users on 12/11. 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 12/206:10 pmBTM - EYW
2 stops14h 42mDelta
Mon 12/227:25 amEYW - BTM
2 stops11h 45mDelta
Deal found 12/11$758
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/239:44 amBTM - EYW
2 stops27h 28mUnited Airlines
Thu 12/254:29 pmEYW - BTM
2 stops32h 00mUnited Airlines
Deal found 12/11$799
This Delta deal was found by Cheapflights users on 12/11. 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 12/196:10 pmBTM - EYW
2 stops24h 48mDelta
Tue 12/237:25 amEYW - BTM
2 stops11h 45mDelta
Deal found 12/11$804
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/209:44 amBTM - EYW
2 stops23h 57mUnited Airlines
Fri 12/264:29 pmEYW - BTM
2 stops32h 00mUnited Airlines
Deal found 12/11$827
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/239:44 amBTM - EYW
2 stops23h 57mUnited Airlines
Wed 12/244:29 pmEYW - BTM
2 stops25h 28mUnited Airlines
Deal found 12/11$877
This Delta deal was found by Cheapflights users on 12/11. 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 12/196:10 pmBTM - EYW
2 stops24h 48mDelta
Mon 12/227:25 amEYW - BTM
2 stops11h 45mDelta
Deal found 12/11$883
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/239:44 amBTM - EYW
2 stops27h 28mUnited Airlines
Fri 12/264:29 pmEYW - BTM
2 stops32h 00mUnited Airlines
Deal found 12/11$933
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/209:44 amBTM - EYW
2 stops23h 57mUnited Airlines
Sun 12/284:29 pmEYW - BTM
2 stops32h 00mUnited Airlines
Deal found 12/11$947

Find 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 December 12, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$539
(United Airlines)
Provider with most accurate pricing for Butte Silver Bow Co-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Butte Silver Bow Co-Key West flights.
Search Deals
From Butte Silver Bow Co to Key West
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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 December 12, 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

Sat 1/10

9:14 am-1:03 pm

2 stops25h 49m

Key West

Wed 1/14

2:25 pm-10:45 pm

2 stops34h 20m

$539

ButteKey West

BTM - EYW

BTMEYW

Butte Silver Bow Co

Wed 12/24

9:44 am-11:41 am

2 stops23h 57m

Key West

Thu 12/25

4:29 pm-10:29 pm

2 stops32h 00m

$692

ButteKey West

BTM - EYW

BTMEYW

Butte Silver Bow Co

Mon 12/22

9:44 am-4:29 pm

2 stops28h 45m

Key West

Thu 12/25

4:29 pm-10:29 pm

2 stops32h 00m

$756

ButteKey West

BTM - EYW

BTMEYW

Butte Silver Bow Co

Tue 12/23

9:44 am-3:12 pm

2 stops27h 28m

Key West

Thu 12/25

4:29 pm-10:29 pm

2 stops32h 00m

$799

ButteKey West

BTM - EYW

BTMEYW

Butte Silver Bow Co

Wed 12/24

9:44 am-11:41 am

2 stops23h 57m

Key West

Fri 12/26

4:29 pm-10:29 pm

2 stops32h 00m

$827

ButteKey West

BTM - EYW

BTMEYW

Butte Silver Bow Co

Mon 12/22

9:44 am-4:29 pm

2 stops28h 45m

Key West

Fri 12/26

4:29 pm-10:29 pm

2 stops32h 00m

$827

ButteKey West

BTM - EYW

BTMEYW

Butte Silver Bow Co

Tue 12/23

9:44 am-11:41 am

2 stops23h 57m

Key West

Wed 12/24

4:29 pm-3:57 pm

2 stops25h 28m

$877

ButteKey West

BTM - EYW

BTMEYW

Butte Silver Bow Co

Tue 12/23

9:44 am-3:12 pm

2 stops27h 28m

Key West

Fri 12/26

4:29 pm-10:29 pm

2 stops32h 00m

$933

ButteKey West

BTM - EYW

BTMEYW

Butte Silver Bow Co

Wed 12/24

9:44 am-11:41 am

2 stops23h 57m

Key West

Sun 12/28

4:29 pm-10:29 pm

2 stops32h 00m

$947

ButteKey West

BTM - EYW

BTMEYW

Butte Silver Bow Co

Mon 12/22

9:44 am-4:29 pm

2 stops28h 45m

Key West

Sun 12/28

4:29 pm-10:29 pm

2 stops32h 00m

$947

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

  • 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.

Related info for your journey

Find useful and relevant information for your journey from Butte to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Butte to Key West?

    There are many flights that can get you from Butte to Key West in 25h 49m. Fly via United Airlines to get the fastest option. The distance from Butte to Key West is about 2253 mi.

  • Can I find deals for flights from Butte to Key West that include hotel bookings?

    Yes. In addition to deals on Butte to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Butte to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Butte to Key West.

  • Can I find deals for business class flights from Butte to Key West?

    Yes. Cheapflights offers flight deals from Butte to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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