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Cheap flights from Montana to Castries from $982

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Castries departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Montana to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:22 pm - 1:49 pmBIL  Billings Logan Intl-UVF Castries Hewanorra
23h 27m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
3:02 pm - 11:57 amUVF  Castries Hewanorra-BIL Billings Logan Intl
22h 55m2 stops Miami Chicago O'Hare Intl
$982American Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
1:13 pm - 2:02 pmBIL  Billings Logan Intl-UVF Castries Hewanorra
22h 49m2 stops Dallas/Fort Worth Miami
American Airlines Logo
3:20 pm - 12:51 pmUVF  Castries Hewanorra-BIL Billings Logan Intl
23h 31m2 stops Charlotte Douglas Dallas/Fort Worth
$992American Airlines
Thu, Oct 1 - Thu, Oct 8
American Airlines Logo
12:22 pm - 1:49 pmBIL  Billings Logan Intl-UVF Castries Hewanorra
23h 27m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
3:02 pm - 11:57 amUVF  Castries Hewanorra-BIL Billings Logan Intl
22h 55m3 stops Miami Washington, D.C. Reagan-National Chicago O'Hare Intl
$2,909American Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
12:22 pm - 1:49 pmBIL  Billings Logan Intl-UVF Castries Hewanorra
23h 27m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
3:02 pm - 11:57 amUVF  Castries Hewanorra-BIL Billings Logan Intl
22h 55m3 stops Miami Jacksonville Chicago O'Hare Intl
$2,911American Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
12:22 pm - 1:49 pmBIL  Billings Logan Intl-UVF Castries Hewanorra
23h 27m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
3:02 pm - 11:57 amUVF  Castries Hewanorra-BIL Billings Logan Intl
22h 55m3 stops Miami Jacksonville Chicago O'Hare Intl
$2,921American Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
12:22 pm - 1:49 pmBIL  Billings Logan Intl-UVF Castries Hewanorra
23h 27m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
3:02 pm - 11:57 amUVF  Castries Hewanorra-BIL Billings Logan Intl
22h 55m3 stops Miami Washington, D.C. Reagan-National Chicago O'Hare Intl
$2,932American Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
12:22 pm - 1:49 pmBIL  Billings Logan Intl-UVF Castries Hewanorra
23h 27m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
3:02 pm - 11:57 amUVF  Castries Hewanorra-BIL Billings Logan Intl
22h 55m3 stops Miami Washington, D.C. Reagan-National Chicago O'Hare Intl
$2,964American Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
1:13 pm - 1:49 pmBIL  Billings Logan Intl-UVF Castries Hewanorra
22h 36m3 stops Dallas/Fort Worth Jacksonville Miami
American Airlines Logo
3:02 pm - 11:57 amUVF  Castries Hewanorra-BIL Billings Logan Intl
22h 55m3 stops Miami Washington, D.C. Reagan-National Chicago O'Hare Intl
$2,966American Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
1:13 pm - 1:49 pmBIL  Billings Logan Intl-UVF Castries Hewanorra
22h 36m3 stops Dallas/Fort Worth Jacksonville Miami
American Airlines Logo
3:02 pm - 11:57 amUVF  Castries Hewanorra-BIL Billings Logan Intl
22h 55m3 stops Miami Washington, D.C. Reagan-National Chicago O'Hare Intl
$2,968American Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
1:13 pm - 1:49 pmBIL  Billings Logan Intl-UVF Castries Hewanorra
22h 36m3 stops Dallas/Fort Worth Jacksonville Miami
American Airlines Logo
3:02 pm - 11:57 amUVF  Castries Hewanorra-BIL Billings Logan Intl
22h 55m3 stops Miami Jacksonville Chicago O'Hare Intl
$2,970American Airlines
Tue, Sep 1 - Tue, Sep 15

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American Airlines flights from Montana to Castries

Our best American Airlines deals on Montana to Castries flight tickets
American Airlines
Sep 1
BIL12:22 pmBillings Logan Intl
23h 27m
2 stops
UVF1:49 pmCastries Hewanorra
Sep 15
UVF3:02 pmCastries Hewanorra
22h 55m
2 stops
BIL11:57 amBillings Logan Intl
$982
American Airlines
Oct 1
BIL1:13 pmBillings Logan Intl
22h 49m
2 stops
UVF2:02 pmCastries Hewanorra
Oct 8
UVF3:20 pmCastries Hewanorra
23h 31m
2 stops
BIL12:51 pmBillings Logan Intl
$992
American Airlines
Sep 1
BIL12:22 pmBillings Logan Intl
23h 27m
2 stops
UVF1:49 pmCastries Hewanorra
Sep 15
UVF3:02 pmCastries Hewanorra
22h 55m
3 stops
BIL11:57 amBillings Logan Intl
$2,909

momondo Fare Finder

 
Customize your flight search to find flights from Montana to Castries 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, momondo users made 832,500 searches. Data last updated August 18, 2026.
Use the filters below to find and compare flights from Montana to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillingsCastries

BIL Billings Logan Intl - UVF Castries Hewanorra

BILUVF

Billings Logan Intl

Tue 9/1

12:22 pm-1:49 pm

2 stops23h 27m

Castries Hewanorra

Tue 9/15

3:02 pm-11:57 am

2 stops22h 55m

$982

BillingsCastries

BIL Billings Logan Intl - UVF Castries Hewanorra

BILUVF

Billings Logan Intl

Thu 10/1

1:13 pm-2:02 pm

2 stops22h 49m

Castries Hewanorra

Thu 10/8

3:20 pm-12:51 pm

2 stops23h 31m

$992

BillingsCastries

BIL Billings Logan Intl - UVF Castries Hewanorra

BILUVF

Billings Logan Intl

Tue 9/1

12:22 pm-1:49 pm

2 stops23h 27m

Castries Hewanorra

Tue 9/15

3:02 pm-11:57 am

3 stops22h 55m

$2,909

BillingsCastries

BIL Billings Logan Intl - UVF Castries Hewanorra

BILUVF

Billings Logan Intl

Tue 9/1

12:22 pm-1:49 pm

2 stops23h 27m

Castries Hewanorra

Tue 9/15

3:02 pm-11:57 am

3 stops22h 55m

$2,911

BillingsCastries

BIL Billings Logan Intl - UVF Castries Hewanorra

BILUVF

Billings Logan Intl

Tue 9/1

12:22 pm-1:49 pm

2 stops23h 27m

Castries Hewanorra

Tue 9/15

3:02 pm-11:57 am

3 stops22h 55m

$2,921

BillingsCastries

BIL Billings Logan Intl - UVF Castries Hewanorra

BILUVF

Billings Logan Intl

Tue 9/1

12:22 pm-1:49 pm

2 stops23h 27m

Castries Hewanorra

Tue 9/15

3:02 pm-11:57 am

3 stops22h 55m

$2,932

BillingsCastries

BIL Billings Logan Intl - UVF Castries Hewanorra

BILUVF

Billings Logan Intl

Tue 9/1

12:22 pm-1:49 pm

2 stops23h 27m

Castries Hewanorra

Tue 9/15

3:02 pm-11:57 am

3 stops22h 55m

$2,964
Quickest round-trip

BillingsCastries

BIL Billings Logan Intl - UVF Castries Hewanorra

BILUVF

Billings Logan Intl

Tue 9/1

1:13 pm-1:49 pm

3 stops22h 36m

Castries Hewanorra

Tue 9/15

3:02 pm-11:57 am

3 stops22h 55m

$2,966

BillingsCastries

BIL Billings Logan Intl - UVF Castries Hewanorra

BILUVF

Billings Logan Intl

Tue 9/1

1:13 pm-1:49 pm

3 stops22h 36m

Castries Hewanorra

Tue 9/15

3:02 pm-11:57 am

3 stops22h 55m

$2,968

BillingsCastries

BIL Billings Logan Intl - UVF Castries Hewanorra

BILUVF

Billings Logan Intl

Tue 9/1

1:13 pm-1:49 pm

3 stops22h 36m

Castries Hewanorra

Tue 9/15

3:02 pm-11:57 am

3 stops22h 55m

$2,970

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Castries from

How to get the cheapest flight ticket from Montana to Castries

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Castries?

Flight times from Montana to Castries vary, but if you’re flying out of Missoula and flying into Castries (one of the most popular routes), then the duration is 22h 55m on average. Another popular route from Montana to Castries is flying from Billings to Castries, which will take roughly 23h 15m. Keep in mind that layovers or delays could extend your travel time.

Cheap Montana to Castries flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Castries

Best Price Found

$982

Fastest flight time

22h 55m

Direct flights

None
The best flight deal from Montana to Castries found on momondo in the last 72 hours is $982
The fastest flight from Montana to Castries takes 22h 55m
There are no direct flights from Montana to Castries. There are no popular flight routes from Montana to Castries.
Search flight deals

Frequently asked questions about flying from Montana to Castries

  • When did momondo last update prices for flights from Montana to Castries Hewanorra Airport?

    Prices for flights from Montana to Castries Hewanorra Airport are updated daily.

  • How old do you have to be to fly from Montana to Castries Hewanorra Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The travel and health documents you'll need for your trip to Castries Hewanorra Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Castries Hewanorra Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Castries?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montana to Castries. momondo saves you time and could save you money on your trip.

Can I find flights from Montana to Castries with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Castries from Montana with this policy.

How can momondo help me find flights from Montana to Castries?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Castries from Montana.

I’m not ready to book a flight from Montana to Castries right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Castries, momondo offers a useful price alert feature which will track prices for flights to Castries from Montana and alert you when they change.

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport