$45 Find deals on international flights to Boston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Boston departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for cheap international flights to Boston

Travelers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$234
Overall average: $361
United Airlines
Fri 1/30Mon 2/2
SJO - BOS • 1 stop
Cheapest non-stop
$255
Typical prices: $286-$712
JetBlue
Fri 1/16Tue 1/20
CUN - BOS • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Boston!
Flight Deals
Useful Info
Flight Deals

Book Cheap International Flights Deals to Boston

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip international flight deals to Boston

Fri, Jan 30 - Mon, Feb 2
United Airlines Logo
8:45 am - 11:20 pm
SJO
-
BOS
13h 35m1 stop
United Airlines Logo
7:05 am - 8:39 pm
BOS
-
SJO
14h 34m1 stop
$234United Airlines
Fri, Jan 30 - Mon, Feb 2
United Airlines Logo
8:45 am - 12:46 pm
SJO
-
BOS
27h 01m2 stops
United Airlines Logo
7:05 am - 8:39 pm
BOS
-
SJO
14h 34m1 stop
$239United Airlines
Fri, Jan 16 - Tue, Jan 20
Spirit Airlines Logo
10:13 am - 11:19 pm
CUN
-
BOS
13h 06m1 stop
Spirit Airlines Logo
5:34 am - 12:16 pm
BOS
-
CUN
6h 42m1 stop
$239Spirit Airlines
Thu, Jan 29 - Sun, Feb 1
American Airlines Logo
6:38 am - 5:21 pm
SJO
-
BOS
9h 43m1 stop
American Airlines Logo
7:00 am - 10:30 pm
BOS
-
SJO
16h 30m1 stop
$240American Airlines
Thu, Jan 22 - Thu, Jan 29
American Airlines Logo
8:00 am - 7:07 pm
SJO
-
BOS
10h 07m2 stops
American Airlines Logo
9:51 am - 10:30 pm
BOS
-
SJO
13h 39m1 stop
$244American Airlines
Thu, Jan 29 - Mon, Feb 9
Spirit Airlines Logo
12:15 pm - 11:19 pm
GUA
-
BOS
10h 04m1 stop
Spirit Airlines Logo
5:34 am - 12:29 pm
BOS
-
GUA
7h 55m1 stop
$249Spirit Airlines
Thu, Jan 22 - Mon, Jan 26
JetBlue Logo
1:25 pm - 5:33 pm
CUN
-
BOS
4h 08mnonstop
JetBlue Logo
7:20 am - 12:05 pm
BOS
-
CUN
4h 45mnonstop
$255JetBlue
Thu, Jan 22 - Mon, Jan 26
JetBlue Logo
1:25 pm - 5:33 pm
CUN
-
BOS
4h 08mnonstop
JetBlue Logo
7:20 am - 12:05 pm
BOS
-
CUN
4h 45mnonstop
$256JetBlue
Mon, Jan 19 - Tue, Jan 27
Multiple Airlines Logo
2:52 pm - 1:13 am
SAL
-
BOS
9h 21m1 stop
Multiple Airlines Logo
5:34 am - 2:52 pm
BOS
-
SAL
10h 18m1 stop
$256Multiple Airlines
Tue, Feb 24 - Wed, Mar 4
Multiple Airlines Logo
8:55 am - 1:13 am
YYC
-
BOS
14h 18m1 stop
Multiple Airlines Logo
6:00 am - 7:09 pm
BOS
-
YYC
15h 09m1 stop
$256Multiple Airlines
Useful Info

Good to know

Low seasonFebruary
Cheapest flight$45
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 12% increase in price.
Flight from Atlanta to Boston

FAQs for booking Worldwide to Boston flights

  • How does KAYAK find such low prices on flights from Worldwide to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Worldwide to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Worldwide to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Worldwide is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Worldwide to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Worldwide with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Worldwide to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Worldwide up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Hampton
Waltham
Wells
Warwick
Plymouth
Middletown
Everett
Gloucester
Concord
Woburn
York Beach
Brookline
Revere
Burlington
West Yarmouth
Danvers
South Portland
Braintree
Quincy

Everything you need to know for your flight to Boston

Information on the airport you'll fly into in Boston

Boston (BOS)