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Cheap flights from Boston to Lima from C$ 367

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LIM
1 Sep — 8 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to Lima

Enter your travel dates to find the best prices.

Cheapest flights from Boston to Lima
Explore the most affordable flight options available from Boston to Lima. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 August 2026.

Thu 20/87:20 a.m.
BOS
-
LIM
1 stop24h 10m
Delta
Thu 3/912:05 a.m.
LIM
-
BOS
1 stop24h 20m
Delta
Deal found 29/7C$ 762
Thu 20/87:20 a.m.
BOS
-
LIM
1 stop24h 10m
Delta
Thu 3/912:05 p.m.
LIM
-
BOS
1 stop12h 20m
Delta
Deal found 1/8C$ 765
Thu 22/103:33 p.m.
BOS
-
LIM
1 stop14h 27m
Delta
Tue 27/1012:00 p.m.
LIM
-
BOS
1 stop12h 20m
Delta
Deal found 29/7C$ 775
Fri 6/118:05 p.m.
BOS
-
LIM
2 stops27h 50m
United Airlines
Sat 14/111:50 a.m.
LIM
-
BOS
2 stops22h 56m
United Airlines
Deal found 30/7C$ 782
Fri 30/108:47 a.m.
BOS
-
LIM
1 stop17h 33m
Copa Airlines
Wed 11/112:15 a.m.
LIM
-
BOS
1 stop19h 46m
Copa Airlines
Deal found 29/7C$ 783
Fri 28/812:20 p.m.
BOS
-
LIM
1 stop10h 35m
Delta
Thu 3/912:05 a.m.
LIM
-
BOS
1 stop22h 36m
Delta
Deal found 31/7C$ 787
Tue 8/95:30 a.m.
BOS
-
LIM
2 stops15h 50m
Delta
Tue 29/91:30 p.m.
LIM
-
BOS
1 stop24h 45m
Delta
Deal found 31/7C$ 790
Sat 12/97:00 a.m.
BOS
-
LIM
2 stops16h 00m
Delta
Tue 29/91:30 p.m.
LIM
-
BOS
1 stop24h 45m
Delta
Deal found 1/8C$ 796
Mon 7/910:35 p.m.
BOS
-
LIM
2 stops47h 25m
Multiple Airlines
Thu 17/93:50 p.m.
LIM
-
BOS
2 stops30h 40m
Multiple Airlines
Deal found 28/7C$ 800
Wed 19/88:31 p.m.
BOS
-
LIM
2 stops27h 29m
United Airlines
Sat 22/812:55 a.m.
LIM
-
BOS
2 stops31h 41m
United Airlines
Deal found 29/7C$ 804
Mon 7/910:35 p.m.
BOS
-
LIM
2 stops47h 25m
Multiple Airlines
Fri 18/912:00 p.m.
LIM
-
BOS
1 stop25h 42m
Multiple Airlines
Deal found 29/7C$ 808
Sat 17/106:00 a.m.
BOS
-
LIM
3 stops42h 00m
United Airlines
Thu 22/1012:55 a.m.
LIM
-
BOS
2 stops31h 38m
United Airlines
Deal found 28/7C$ 811

Find flight deals from Boston to Lima

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Lima (LIM). 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 2 August 2026.

Round-trip from

C$ 762

One-way from

C$ 367

Popular in

December

Cheapest in

March

Average price

C$ 927
Delta
  • Delta
  • 20/8-3/9
  • 2 total stops
  • 48h 30m total
  • Boston to Lima
Search Deals
Delta
  • Delta
  • 26/8
  • 1 total stop
  • 17h 25m total
  • Boston to Lima
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Lima 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 629,999 searches. Data last updated 2 August 2026.
Use the filters below to find and compare flights from Boston to Lima that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLima

BOS - LIM

BOSLIM

Boston Logan Intl

Fri 27/11

12:20 p.m.-5:00 a.m.

1 stop16h 40m

Lima J Chavez Intl

Sat 5/12

12:05 a.m.-6:55 p.m.

1 stop18h 50m

C$ 775

BostonLima

BOS - LIM

BOSLIM

Boston Logan Intl

Sun 4/10

9:20 p.m.-6:45 a.m.

1 stop10h 25m

Lima J Chavez Intl

Fri 16/10

12:10 a.m.-9:59 p.m.

2 stops20h 49m

C$ 775
Quickest round-trip

BostonLima

BOS - LIM

BOSLIM

Boston Logan Intl

Fri 28/8

12:20 p.m.-9:55 p.m.

1 stop10h 35m

Lima J Chavez Intl

Thu 3/9

12:05 p.m.-1:25 a.m.

1 stop12h 20m

C$ 775

BostonLima

BOS - LIM

BOSLIM

Boston Logan Intl

Thu 17/9

3:05 p.m.-5:00 a.m.

1 stop14h 55m

Lima J Chavez Intl

Tue 6/10

8:15 a.m.-11:33 p.m.

1 stop14h 18m

C$ 775

BostonLima

BOS - LIM

BOSLIM

Boston Logan Intl

Fri 27/11

7:00 a.m.-9:40 p.m.

2 stops14h 40m

Lima J Chavez Intl

Wed 2/12

12:15 a.m.-1:44 p.m.

2 stops13h 29m

C$ 782

BostonLima

BOS - LIM

BOSLIM

Boston Logan Intl

Thu 10/9

3:10 p.m.-5:00 a.m.

2 stops14h 50m

Lima J Chavez Intl

Sun 13/9

12:05 a.m.-9:12 p.m.

1 stop20h 07m

C$ 782

BostonLima

BOS - LIM

BOSLIM

Boston Logan Intl

Fri 30/10

8:47 a.m.-1:20 a.m.

1 stop17h 33m

Lima J Chavez Intl

Tue 10/11

4:40 p.m.-10:01 p.m.

1 stop29h 21m

C$ 783

BostonLima

BOS - LIM

BOSLIM

Boston Logan Intl

Wed 19/8

3:57 p.m.-7:15 p.m.

1 stop28h 18m

Lima J Chavez Intl

Sat 5/9

2:15 a.m.-11:02 p.m.

1 stop19h 47m

C$ 783

BostonLima

BOS - LIM

BOSLIM

Boston Logan Intl

Fri 28/8

7:55 a.m.-9:55 p.m.

1 stop15h 00m

Lima J Chavez Intl

Thu 3/9

12:05 a.m.-11:41 p.m.

1 stop22h 36m

C$ 783

BostonLima

BOS - LIM

BOSLIM

Boston Logan Intl

Sun 8/11

3:33 p.m.-8:30 p.m.

2 stops52h 57m

Lima J Chavez Intl

Sun 15/11

8:20 a.m.-11:59 p.m.

1 stop15h 39m

C$ 790

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Boston to Lima

Have a flexible travel schedule? Discover the best time to fly to Lima from Boston 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.

Cheapflights Insights

Everything you need to know about your flight from Boston to Lima

How far ahead should I book a flight from Boston to Lima?

To ensure you get the cheapest price possible for a flight from Boston to Lima, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Boston to Lima?

Currently, March is the cheapest month in which you can book a flight from Boston to Lima (average of C$ 745). Flying from Boston to Lima in December is currently the most expensive (average of C$ 1,185). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Boston to Lima?

Airfare is below average for this route at the moment.

Boston to Lima flights typically cost between C$ 808 and C$ 1,096 in January.
The cheapest round-trip price found within the last 5 days was C$ 762 on United Airlines (18 Jan-1 Feb).

Related info for your journey

Find useful and relevant information for your journey from Boston to Lima. 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 Boston to Lima?

    Airlines like Delta fly from Boston to Lima in about 14h 35m. The time it takes to get you to your destination can typically vary by up to . The distance from Boston to Lima is about 6075 km.

  • Can I find deals for flights from Boston to Lima that include hotel bookings?

    Yes. In addition to deals on Boston to Lima flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Lima?

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

  • Can I find deals for business class flights from Boston to Lima?

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

  • What is the cheapest month to book a flight from Boston to Lima?

    Currently, March is the cheapest month in which you can book a flight from Boston to Lima (average of C$ 745). Flying from Boston to Lima in December is currently the most expensive (average of C$ 1,185). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Boston to Lima.

Can Cheapflights find flights from Boston to Lima with no change fees?

Need flexible booking options for your flight to Lima from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Boston to Lima become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Lima from Boston today and book when prices fit your budget.

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