Cheap flights from New Hampshire to Santiago de los Caballeros from $118

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to Santiago de los Caballeros departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from New Hampshire to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
2:19 pm - 10:25 pm
PWM
-
STI
8h 06m
1 stop
JetBlue Logo
3:12 pm - 11:56 pm
STI
-
PWM
8h 44m
1 stop
$321JetBlue
Sat, May 30 - Wed, Jun 3
Multiple Airlines Logo
10:20 pm - 2:07 am
BOS
-
STI
3h 47mnonstop
Multiple Airlines Logo
3:27 pm - 11:59 pm
STI
-
BOS
8h 32m
1 stop
$342Multiple Airlines
Thu, May 7 - Mon, May 11
Spirit Airlines Logo
5:45 am - 2:23 pm
BOS
-
STI
8h 38m
1 stop
Spirit Airlines Logo
2:46 am - 3:28 pm
STI
-
BOS
12h 42m
1 stop
$343Spirit Airlines
Tue, Mar 31 - Mon, Apr 6
Spirit Airlines Logo
5:49 pm - 1:49 am
BOS
-
STI
8h 00m
1 stop
Spirit Airlines Logo
3:28 pm - 3:28 pm
STI
-
BOS
24h 00m
1 stop
$344Spirit Airlines
Fri, Mar 27 - Mon, Apr 13
Spirit Airlines Logo
5:45 am - 2:35 pm
BOS
-
STI
8h 50m
1 stop
Spirit Airlines Logo
3:27 pm - 7:49 am
STI
-
BOS
16h 22m
2 stops
$345Spirit Airlines
Sun, Mar 22 - Tue, May 19
Spirit Airlines Logo
5:27 am - 2:33 pm
BOS
-
STI
9h 06m
1 stop
Spirit Airlines Logo
3:28 pm - 11:59 pm
STI
-
BOS
8h 31m
1 stop
$346Spirit Airlines
Mon, Mar 9 - Thu, Apr 2
JetBlue Logo
2:19 pm - 10:25 pm
PWM
-
STI
8h 06m
1 stop
JetBlue Logo
3:12 pm - 11:56 pm
STI
-
PWM
8h 44m
1 stop
$347JetBlue
Sat, May 30 - Wed, Jun 3
American Airlines Logo
5:07 pm - 12:23 pm
MHT
-
STI
19h 16m
2 stops
American Airlines Logo
1:32 pm - 1:26 pm
STI
-
MHT
23h 54m
2 stops
$429American Airlines
Tue, Apr 7 - Tue, Apr 14
American Airlines Logo
5:41 pm - 12:23 pm
MHT
-
STI
18h 42m
2 stops
American Airlines Logo
1:32 pm - 11:36 am
STI
-
MHT
22h 04m
2 stops
$453American Airlines
Thu, Apr 9 - Thu, Apr 16
United Airlines Logo
7:31 pm - 12:57 pm
MHT
-
STI
17h 26m
2 stops
United Airlines Logo
2:07 pm - 1:55 pm
STI
-
MHT
23h 48m
2 stops
$667United Airlines
Fri, Apr 10 - Fri, Apr 17

Delta flights from New Hampshire to Santiago de los Caballeros

Our best Delta deals on New Hampshire to Santiago de los Caballeros flight tickets
Delta
Mar 17
BOS9:05 amBoston Logan Intl
10h 10m
1 stop
STI7:15 pmSantiago de los Caballeros
Mar 20
STI6:33 amSantiago de los Caballeros
8h 36m
1 stop
BOS3:09 pmBoston Logan Intl
$359
Delta
Apr 22
BOS9:05 amBoston Logan Intl
15h 17m
1 stop
STI12:22 amSantiago de los Caballeros
Apr 24
STI8:59 pmSantiago de los Caballeros
11h 28m
1 stop
BOS8:27 amBoston Logan Intl
$361
Delta
Mar 12
BOS6:00 amBoston Logan Intl
13h 15m
1 stop
STI7:15 pmSantiago de los Caballeros
Mar 24
STI6:33 amSantiago de los Caballeros
16h 21m
1 stop
BOS10:54 pmBoston Logan Intl
$366

Spirit Airlines flights from New Hampshire to Santiago de los Caballeros

Our best Spirit Airlines deals on New Hampshire to Santiago de los Caballeros flight tickets
Spirit Airlines
Mar 31
BOS5:45 amBoston Logan Intl
8h 38m
1 stop
STI2:23 pmSantiago de los Caballeros
Apr 6
STI2:46 amSantiago de los Caballeros
12h 42m
1 stop
BOS3:28 pmBoston Logan Intl
$343
Spirit Airlines
Mar 27
BOS5:49 pmBoston Logan Intl
8h 00m
1 stop
STI1:49 amSantiago de los Caballeros
Apr 13
STI3:28 pmSantiago de los Caballeros
24h 00m
1 stop
BOS3:28 pmBoston Logan Intl
$344
Spirit Airlines
Mar 22
BOS5:45 amBoston Logan Intl
8h 50m
1 stop
STI2:35 pmSantiago de los Caballeros
May 19
STI3:27 pmSantiago de los Caballeros
16h 22m
2 stops
BOS7:49 amBoston Logan Intl
$345

momondo Fare Finder

 
Customize your flight search to find flights from New Hampshire to Santiago de los Caballeros 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 February 24, 2026.
Use the filters below to find and compare flights from New Hampshire to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSantiago de los Caballeros

PWM - STI

PWMSTI

Portland

Sat 5/30

2:19 pm-10:25 pm

1 stop8h 06m

Santiago de los Caballeros

Wed 6/3

3:12 pm-11:56 pm

1 stop8h 44m

$321

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Thu 5/7

10:20 pm-2:07 am

Nonstop3h 47m

Santiago de los Caballeros

Mon 5/11

3:27 pm-11:59 pm

1 stop8h 32m

$342

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Tue 3/31

5:45 am-2:23 pm

1 stop8h 38m

Santiago de los Caballeros

Mon 4/6

2:46 am-3:28 pm

1 stop12h 42m

$343

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Fri 3/27

5:49 pm-1:49 am

1 stop8h 00m

Santiago de los Caballeros

Mon 4/13

3:28 pm-3:28 pm

1 stop24h 00m

$344

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Sun 3/22

5:45 am-2:35 pm

1 stop8h 50m

Santiago de los Caballeros

Tue 5/19

3:27 pm-7:49 am

2 stops16h 22m

$345

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Mon 3/9

5:27 am-2:33 pm

1 stop9h 06m

Santiago de los Caballeros

Thu 4/2

3:28 pm-11:59 pm

1 stop8h 31m

$346

PortlandSantiago de los Caballeros

PWM - STI

PWMSTI

Portland

Sat 5/30

2:19 pm-10:25 pm

1 stop8h 06m

Santiago de los Caballeros

Wed 6/3

3:12 pm-11:56 pm

1 stop8h 44m

$347

ManchesterSantiago de los Caballeros

MHT - STI

MHTSTI

Manchester

Tue 4/7

5:07 pm-12:23 pm

2 stops19h 16m

Santiago de los Caballeros

Tue 4/14

1:32 pm-1:26 pm

2 stops23h 54m

$429

ManchesterSantiago de los Caballeros

MHT - STI

MHTSTI

Manchester

Thu 4/9

5:41 pm-12:23 pm

2 stops18h 42m

Santiago de los Caballeros

Thu 4/16

1:32 pm-11:36 am

2 stops22h 04m

$453

ManchesterSantiago de los Caballeros

MHT - STI

MHTSTI

Manchester

Fri 4/10

7:31 pm-12:57 pm

2 stops17h 26m

Santiago de los Caballeros

Fri 4/17

2:07 pm-1:55 pm

2 stops23h 48m

$667

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Santiago de los Caballeros from

How to get the cheapest flight ticket from New Hampshire to Santiago de los Caballeros

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 cheapest month to fly to Santiago de los Caballeros?

The cheapest month to fly to Santiago de los Caballeros from New Hampshire is in May. Flight prices, which tend to average around $410, are often lower during this time because this is during the off-season. If you aren’t able to travel to Santiago de los Caballeros during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $442.

What is the cheapest day to depart on your flight to Santiago de los Caballeros?

The cheapest day to depart from New Hampshire to Santiago de los Caballeros is on a Thursday when prices can be found for as low as $516. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from New Hampshire to Santiago de los Caballeros for around $603.

What is the cheapest time of day to depart on your flight to Santiago de los Caballeros?

Our data shows that the cheapest New Hampshire to Santiago de los Caballeros flights are usually those with departure times in the afternoon. Our users have found flights to Santiago de los Caballeros in the afternoon for as low as $401. In the evening is when there is more demand to fly to Santiago de los Caballeros, so prices are often more expensive at around $560 per ticket.

How far in advance should I book a flight to Santiago de los Caballeros?

You are more likely to see cheaper flights to Santiago de los Caballeros from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Santiago de los Caballeros for around $523 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santiago de los Caballeros from New Hampshire for as low as $485 on momondo.

Cheap New Hampshire to Santiago de los Caballeros flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to Santiago de los Caballeros

Fastest flight time

3h 45m

Direct flights

Every day

Airports in Santiago de los Caballeros

1 airport
The fastest flight from New Hampshire to Santiago de los Caballeros takes 3h 45m
Direct flights go from New Hampshire to Santiago de los Caballeros every day.
There is 1 airport in Santiago de los Caballeros. From New Hampshire there are direct flights to Santiago de los Caballeros (STI).
  • When did momondo last update prices for flights from New Hampshire to Santiago de los Caballeros Airport?

    Prices for flights from New Hampshire to Santiago de los Caballeros Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from New Hampshire to Santiago de los Caballeros Airport?

  • How old do you have to be to fly from New Hampshire to Santiago de los Caballeros Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New Hampshire to Santiago de los Caballeros Airport.

  • What documentation or ID do you need to fly to Santiago de los Caballeros Airport?

    The travel and health documents required for your trip to Santiago de los Caballeros Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santiago de los Caballeros Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to Santiago de los Caballeros?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New Hampshire to Santiago de los Caballeros. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from New Hampshire to Santiago de los Caballeros with flexible booking policies on momondo?

momondo does allow users to show only those flights to Santiago de los Caballeros from New Hampshire which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from New Hampshire to Santiago de los Caballeros?

Once you have performed a search for New Hampshire to Santiago de los Caballeros 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 New Hampshire to Santiago de los Caballeros right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Santiago de los Caballeros, momondo offers a useful price alert feature which will track prices for flights to Santiago de los Caballeros from New Hampshire and alert you when they change.

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1 adult
Thu 3/26
Thu 4/2

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