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$779+ Cheap flights from Rennes (RNS) to Boston (BOS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — BOS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Rennes to Boston

Cheapest flights from Rennes to Boston
Explore the most affordable flight options available from Rennes to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/182:25 pm
RNS
-
BOS
1 stop10h 30m
Delta
Wed 2/256:30 pm
BOS
-
RNS
1 stop9h 50m
Delta
Deal found 1/27$779
This KLM deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:25 pm
RNS
-
BOS
1 stop10h 05m
KLM
Fri 4/249:45 pm
BOS
-
RNS
1 stop30h 35m
KLM
Deal found 1/27$781
This Expedia deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/132:25 pm
RNS
-
BOS
1 stop10h 30m
Air France
Tue 2/178:35 pm
BOS
-
RNS
1 stop31h 45m
Air France
Deal found 1/28$784
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:25 pm
RNS
-
BOS
1 stop10h 05m
Delta
Fri 4/242:48 pm
BOS
-
RNS
2 stops16h 07m
Delta
Deal found 1/27$929
This Mytrip deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/132:25 pm
RNS
-
BOS
3 stops32h 25m
Multiple Airlines
Tue 2/177:25 pm
BOS
-
RNS
3 stops32h 55m
Multiple Airlines
Deal found 1/28$967
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/132:25 pm
RNS
-
BOS
1 stop10h 30m
Delta
Tue 2/178:35 pm
BOS
-
RNS
1 stop31h 45m
Delta
Deal found 1/28$1,161

Find flight deals from Rennes to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Rennes (RNS) to Boston (BOS). 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 January 29, 2026.

Round-trip from

$779
(Delta)
From Rennes St Jacques to Boston Logan Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rennes to Boston 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 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Rennes to Boston that are best for you.

Fly from

Rennes

Fly to

Boston

Route

Depart

Return

Price

RennesBoston

RNS - BOS

RNSBOS

Rennes St Jacques

Wed 2/18

2:25 pm-6:55 pm

1 stop10h 30m

Boston Logan Intl

Wed 2/25

6:30 pm-10:20 am

1 stop9h 50m

$779

RennesBoston

RNS - BOS

RNSBOS

Rennes St Jacques

Fri 4/17

2:25 pm-6:30 pm

1 stop10h 05m

Boston Logan Intl

Fri 4/24

9:45 pm-10:20 am

1 stop30h 35m

$781

RennesBoston

RNS - BOS

RNSBOS

Rennes St Jacques

Wed 2/18

2:25 pm-6:55 pm

1 stop10h 30m

Boston Logan Intl

Wed 2/25

6:30 pm-10:20 am

1 stop9h 50m

$783

RennesBoston

RNS - BOS

RNSBOS

Rennes St Jacques

Fri 4/17

2:25 pm-6:30 pm

1 stop10h 05m

Boston Logan Intl

Fri 4/24

2:48 pm-12:55 pm

2 stops16h 07m

$929

RennesBoston

RNS - BOS

RNSBOS

Rennes St Jacques

Fri 2/13

2:25 pm-4:50 pm

3 stops32h 25m

Boston Logan Intl

Tue 2/17

7:25 pm-10:20 am

3 stops32h 55m

$967

RennesBoston

RNS - BOS

RNSBOS

Rennes St Jacques

Fri 2/13

2:25 pm-6:55 pm

1 stop10h 30m

Boston Logan Intl

Tue 2/17

2:00 pm-10:20 am

2 stops38h 20m

$1,161

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Best time to book a flight from Rennes to Boston

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

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

Currently, June is the cheapest month in which you can book a flight from Rennes to Boston (average of $561). Flying from Rennes to Boston in July is currently the most expensive (average of $764). 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.

Related info for your journey

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

    Delta, KLM, and Air France can get you from Rennes to Boston in just under 10h 05m. Your travel time can differ by up to 25m. There are 3277 mi between Rennes and Boston. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Rennes to Boston 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 Rennes to Boston?

    Currently, June is the cheapest month in which you can book a flight from Rennes to Boston (average of $561). Flying from Rennes to Boston in July is currently the most expensive (average of $764). 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
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Warwick
Seabrook
Cranston
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Smithfield
Peabody
Quincy
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Waltham
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Chelsea

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