HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Southend

$233+ Cheap flights from Boston (BOS) to Southend (SEN)

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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SEN
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Southend with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boston to Southend

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Southend (SEN). 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 18, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$648
(Kiwi.com)

One-way from

$233
(flugladen.de)

Popular in

June

Cheapest in

October

Average price

$566
Provider with most accurate pricing for Boston Logan Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-London (LON) flights.
Search Deals
From Boston Logan Intl to London Southend
Search Deals
One-way flight from Boston Logan Intl to London Southend
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Boston to Southend

Cheapest flights from Boston to Southend
Explore the most affordable flight options available from Boston to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:35 pm
BOS
-
SEN
1 stop11h 15m
Multiple Airlines
Thu 3/126:50 am
SEN
-
BOS
1 stop19h 05m
Multiple Airlines
Deal found 1/16$648
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:40 pm
BOS
-
SEN
1 stop16h 05m
Multiple Airlines
Thu 3/266:50 am
SEN
-
BOS
1 stop19h 05m
Multiple Airlines
Deal found 1/17$884
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:50 pm
BOS
-
SEN
1 stop17h 55m
Multiple Airlines
Wed 5/138:25 am
SEN
-
BOS
1 stop17h 40m
Multiple Airlines
Deal found 1/17$887
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:50 pm
BOS
-
SEN
1 stop17h 55m
Multiple Airlines
Wed 5/68:25 am
SEN
-
BOS
1 stop17h 40m
Multiple Airlines
Deal found 1/17$889
This Mytrip deal was found by Cheapflights users on 1/17. 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.
Thu 2/126:15 am
BOS
-
SEN
3 stops25h 35m
Multiple Airlines
Sun 2/156:05 pm
SEN
-
BOS
2 stops24h 30m
Multiple Airlines
Deal found 1/17$906
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:29 pm
BOS
-
SEN
1 stop13h 46m
Multiple Airlines
Fri 3/136:40 am
SEN
-
BOS
2 stops18h 30m
Multiple Airlines
Deal found 1/18$1,119
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:50 pm
BOS
-
SEN
1 stop17h 55m
Multiple Airlines
Wed 4/228:25 am
SEN
-
BOS
1 stop17h 40m
Multiple Airlines
Deal found 1/18$1,166
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/110:25 pm
BOS
-
SEN
1 stop11h 25m
Multiple Airlines
Fri 2/66:40 am
SEN
-
BOS
2 stops18h 30m
Multiple Airlines
Deal found 1/17$1,194
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:05 pm
BOS
-
SEN
2 stops18h 10m
Multiple Airlines
Tue 2/247:35 am
SEN
-
BOS
1 stop13h 33m
Multiple Airlines
Deal found 1/15$1,215
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:05 pm
BOS
-
SEN
2 stops15h 45m
Multiple Airlines
Fri 2/276:40 am
SEN
-
BOS
1 stop14h 28m
Multiple Airlines
Deal found 1/17$1,239

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Southend 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 18, 2026.
Use the filters below to find and compare flights from Boston to London Southend Airport that are best for you.

Fly from

Boston

Fly to

Southend

Route

Depart

Return

Price

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Thu 2/26

8:35 pm-12:50 pm

1 stop11h 15m

London Southend

Thu 3/12

6:50 am-9:55 pm

1 stop19h 05m

$648

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Mon 3/16

11:40 pm-7:45 pm

1 stop16h 05m

London Southend

Thu 3/26

6:50 am-9:55 pm

1 stop19h 05m

$884

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Thu 2/12

6:15 am-12:50 pm

3 stops25h 35m

London Southend

Sun 2/15

6:05 pm-1:35 pm

2 stops24h 30m

$906

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Wed 3/4

10:29 pm-5:15 pm

1 stop13h 46m

London Southend

Fri 3/13

6:40 am-9:10 pm

2 stops18h 30m

$1,119

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Fri 4/17

10:50 pm-9:45 pm

1 stop17h 55m

London Southend

Wed 4/22

8:25 am-9:05 pm

1 stop17h 40m

$1,166

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Sun 2/1

10:25 pm-2:50 pm

1 stop11h 25m

London Southend

Fri 2/6

6:40 am-8:10 pm

2 stops18h 30m

$1,194

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Wed 2/18

6:05 pm-5:15 pm

2 stops18h 10m

London Southend

Tue 2/24

7:35 am-4:08 pm

1 stop13h 33m

$1,215

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Sun 2/22

6:05 pm-2:50 pm

2 stops15h 45m

London Southend

Fri 2/27

6:40 am-4:08 pm

1 stop14h 28m

$1,239

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Sat 3/7

10:29 pm-8:10 pm

1 stop16h 41m

London Southend

Sat 3/14

7:15 am-9:10 pm

2 stops41h 55m

$1,247

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Fri 4/3

10:50 pm-9:45 pm

1 stop17h 55m

London Southend

Sat 4/11

4:50 pm-3:05 pm

2 stops27h 15m

$1,273

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/17

Showing 1-10 of 19 results
1
2

Best time to book a flight from Boston to Southend

Have a flexible travel schedule? Discover the best time to fly to Southend 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.

Related info for your journey

Find useful and relevant information for your journey from Boston to Southend. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to London Southend?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to London Southend. On average, Logan Intl has 0 outbound flights to London Southend per day from 0 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

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

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

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

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

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

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

See more FAQs

Traveling to a place near London Southend Airport?

Book flights to London Southend Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.