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Cheap flights from Billings to San Juan from $531

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to San Juan departing on 2/7. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:15 pm - 10:48 am
BIL
-
SJU
17h 33m2 stops
American Airlines Logo
7:30 am - 9:35 pm
SJU
-
BIL
17h 05m1 stop
$531American Airlines
Sat, Feb 7 - Sat, Feb 14
American Airlines Logo
7:50 am - 4:00 am
BIL
-
SJU
18h 10m1 stop
American Airlines Logo
11:59 pm - 11:55 am
SJU
-
BIL
13h 56m1 stop
$570American Airlines
Tue, Apr 28 - Sun, May 10
United Airlines Logo
5:05 am - 8:34 pm
BIL
-
SJU
13h 29m2 stops
United Airlines Logo
1:00 am - 1:13 pm
SJU
-
BIL
14h 13m2 stops
$603United Airlines
Wed, Apr 29 - Fri, May 8
American Airlines Logo
1:51 pm - 5:28 am
BIL
-
SJU
13h 37m1 stop
American Airlines Logo
6:33 am - 9:50 pm
SJU
-
BIL
17h 17m1 stop
$609American Airlines
Wed, Mar 18 - Tue, Mar 24
American Airlines Logo
1:51 pm - 9:00 am
BIL
-
SJU
17h 09m2 stops
American Airlines Logo
6:00 am - 9:50 pm
SJU
-
BIL
17h 50m2 stops
$618American Airlines
Wed, Mar 18 - Tue, Mar 24
United Airlines Logo
6:30 am - 6:25 pm
BIL
-
SJU
8h 55m1 stop
United Airlines Logo
2:25 pm - 9:23 pm
SJU
-
BIL
9h 58m1 stop
$621United Airlines
Mon, Jan 26 - Wed, Jan 28
American Airlines Logo
7:50 am - 11:01 pm
BIL
-
SJU
13h 11m1 stop
American Airlines Logo
6:25 am - 8:46 pm
SJU
-
BIL
16h 21m2 stops
$643American Airlines
Wed, Apr 29 - Sat, May 9
American Airlines Logo
1:53 pm - 11:55 am
BIL
-
SJU
19h 02m2 stops
American Airlines Logo
7:30 am - 9:35 pm
SJU
-
BIL
17h 05m1 stop
$653American Airlines
Tue, Feb 24 - Mon, Mar 2
American Airlines Logo
1:51 pm - 5:28 am
BIL
-
SJU
13h 37m1 stop
American Airlines Logo
6:33 am - 9:50 pm
SJU
-
BIL
17h 17m1 stop
$657American Airlines
Wed, Mar 18 - Tue, Mar 24
American Airlines Logo
1:51 pm - 5:28 am
BIL
-
SJU
13h 37m1 stop
American Airlines Logo
6:33 am - 9:50 pm
SJU
-
BIL
17h 17m1 stop
$692American Airlines
Wed, Mar 18 - Tue, Mar 24

United Airlines flights from Billings to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Billings to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Apr 29
BIL5:05 amBillings Logan Intl
13h 29m
2 stops
SJU8:34 pmSan Juan Luis Munoz Marin Intl
May 8
SJU1:00 amSan Juan Luis Munoz Marin Intl
14h 13m
2 stops
BIL1:13 pmBillings Logan Intl
$603
Find similar
United Airlines
Jan 26
BIL6:30 amBillings Logan Intl
8h 55m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Jan 28
SJU2:25 pmSan Juan Luis Munoz Marin Intl
9h 58m
1 stop
BIL9:23 pmBillings Logan Intl
$621
Find similar
United Airlines
Jan 11
BIL10:52 amBillings Logan Intl
16h 19m
2 stops
SJU6:11 amSan Juan Luis Munoz Marin Intl
Jan 14
SJU2:25 pmSan Juan Luis Munoz Marin Intl
9h 58m
1 stop
BIL9:23 pmBillings Logan Intl
$698
Find similar

Alaska Airlines flights from Billings to San Juan Luis Munoz Marin Intl Airport

Our best Alaska Airlines deals on Billings to San Juan Luis Munoz Marin Intl Airport flight tickets
Alaska Airlines
Feb 24
BIL3:32 pmBillings Logan Intl
29h 00m
3 stops
SJU11:32 pmSan Juan Luis Munoz Marin Intl
Mar 2
SJU6:00 amSan Juan Luis Munoz Marin Intl
20h 38m
2 stops
BIL11:38 pmBillings Logan Intl
$2,538
Find similar
Alaska Airlines
Feb 24
BIL2:04 pmBillings Logan Intl
30h 26m
3 stops
SJU11:30 pmSan Juan Luis Munoz Marin Intl
Mar 2
SJU4:03 pmSan Juan Luis Munoz Marin Intl
25h 49m
3 stops
BIL2:52 pmBillings Logan Intl
$2,621
Find similar
Alaska Airlines
Feb 7
BIL3:35 pmBillings Logan Intl
27h 04m
2 stops
SJU9:39 pmSan Juan Luis Munoz Marin Intl
Feb 14
SJU7:30 amSan Juan Luis Munoz Marin Intl
19h 08m
3 stops
BIL11:38 pmBillings Logan Intl
$2,674
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Billings to San Juan Luis Munoz Marin Intl Airport 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 December 26, 2025.
Use the filters below to find and compare flights from Billings to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 2/7

2:15 pm-10:48 am

2 stops17h 33m

San Juan Luis Munoz Marin Intl

Sat 2/14

7:30 am-9:35 pm

1 stop17h 05m

$531

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Tue 4/28

7:50 am-4:00 am

1 stop18h 10m

San Juan Luis Munoz Marin Intl

Sun 5/10

11:59 pm-11:55 am

1 stop13h 56m

$570

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 4/29

5:05 am-8:34 pm

2 stops13h 29m

San Juan Luis Munoz Marin Intl

Fri 5/8

1:00 am-1:13 pm

2 stops14h 13m

$603

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 3/18

1:51 pm-5:28 am

1 stop13h 37m

San Juan Luis Munoz Marin Intl

Tue 3/24

6:33 am-9:50 pm

1 stop17h 17m

$609

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 3/18

1:51 pm-9:00 am

2 stops17h 09m

San Juan Luis Munoz Marin Intl

Tue 3/24

6:00 am-9:50 pm

2 stops17h 50m

$618

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Mon 1/26

6:30 am-6:25 pm

1 stop8h 55m

San Juan Luis Munoz Marin Intl

Wed 1/28

2:25 pm-9:23 pm

1 stop9h 58m

$621

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 4/29

7:50 am-11:01 pm

1 stop13h 11m

San Juan Luis Munoz Marin Intl

Sat 5/9

6:25 am-8:46 pm

2 stops16h 21m

$643

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Tue 2/24

1:53 pm-11:55 am

2 stops19h 02m

San Juan Luis Munoz Marin Intl

Mon 3/2

7:30 am-9:35 pm

1 stop17h 05m

$653

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 3/18

1:51 pm-5:28 am

1 stop13h 37m

San Juan Luis Munoz Marin Intl

Tue 3/24

6:33 am-9:50 pm

1 stop17h 17m

$657

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 3/18

1:51 pm-5:28 am

1 stop13h 37m

San Juan Luis Munoz Marin Intl

Tue 3/24

6:33 am-9:50 pm

1 stop17h 17m

$692

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Juan from

How to get the cheapest flight ticket from Billings to San Juan Luis Munoz Marin Intl Airport

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

What is the typical price of a round-trip flight between Billings and San Juan Luis Munoz Marin Intl Airport?

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Billings is on a Monday. momondo users have found tickets for Monday departures for as low as $644. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Billings because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $902.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is at noon when flights can be purchased for as low as $735. Flights in the morning are often more expensive with an average ticket price of $811.

When to book flights from Billings to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Billings to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Billings to San Juan Luis Munoz Marin Intl Airport (BIL to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

8h 55m

Direct flights

None
The fastest flight from Billings to San Juan Luis Munoz Marin Intl Airport takes 8h 55m
There are no direct flights from Billings to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Billings to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • How far is Billings Logan Intl to San Juan Luis Munoz Marin Intl by plane?

    The distance between Billings Logan Intl and San Juan Luis Munoz Marin Intl is about 3065.6 mi. 8h 55m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Billings Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Billings Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport are updated daily.

  • How many operators does momondo search for flights from Billings Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Billings Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Billings Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Billings to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Billings to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Billings to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $495Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Humacao
Caguas
Rio Grande
Bayamón

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Why should I use momondo to find a flight deal from Billings to San Juan?

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Can I find flights from Billings to San Juan with flexible booking policies on momondo?

All flight searches from Billings to San Juan on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Billings to San Juan?

Once you have performed a search for Billings to San Juan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

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