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Cheap flights from Saint John to the United Kingdom from C$ 495

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — LHR
11 Jul — 18 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St John to United Kingdom

Enter your travel dates to find the best prices.

Cheapest flights from St John to United Kingdom
Explore the most affordable flight options available from St John to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 June 2026.

Thu 11/612:20 p.m.
YSJ
-
LHR
2 stops17h 00m
United Airlines
Mon 15/68:00 a.m.
LHR
-
YSJ
2 stops19h 52m
United Airlines
Deal found 10/6C$ 1,288
Wed 8/710:45 a.m.
YSJ
-
LGW
2 stops23h 15m
Multiple Airlines
Tue 14/710:45 a.m.
LGW
-
YSJ
2 stops27h 15m
Multiple Airlines
Deal found 10/6C$ 1,292
Thu 11/64:30 p.m.
YSJ
-
LHR
2 stops24h 30m
Air Canada
Mon 15/66:00 a.m.
LHR
-
YSJ
2 stops37h 50m
Air Canada
Deal found 9/6C$ 1,310
Thu 11/64:30 p.m.
YSJ
-
GLA
2 stops37h 40m
Air Canada
Mon 15/62:00 p.m.
GLA
-
YSJ
2 stops49h 27m
Air Canada
Deal found 10/6C$ 1,371
Tue 7/74:40 p.m.
YSJ
-
LHR
1 stop9h 50m
Air Canada
Tue 14/72:10 p.m.
LHR
-
YSJ
2 stops29h 35m
Air Canada
Deal found 9/6C$ 1,466
Wed 8/75:00 a.m.
YSJ
-
LHR
2 stops21h 30m
Air Canada
Tue 14/79:30 a.m.
LHR
-
YSJ
2 stops18h 20m
Air Canada
Deal found 10/6C$ 1,477
Sat 5/95:00 a.m.
YSJ
-
GLA
2 stops27h 50m
Multiple Airlines
Sat 12/99:25 p.m.
GLA
-
YSJ
2 stops30h 26m
Multiple Airlines
Deal found 7/6C$ 1,646
Wed 22/74:40 p.m.
YSJ
-
GLA
2 stops13h 30m
United Airlines
Wed 29/72:00 p.m.
GLA
-
YSJ
2 stops25h 55m
United Airlines
Deal found 7/6C$ 2,156

Find flight deals from St John to United Kingdom

Keep the following information in mind while searching for St John to United Kingdom flight deals. Data was last updated 11 June 2026.

Round-trip from

C$ 1,292

One-way from

C$ 495
8/7-14/7
  • 8/7-14/7
  • 4 total stops
  • 50h 30m total
  • Saint John to United Kingdom
Search Deals
6/7
  • 6/7
  • 3 total stops
  • 41h 35m total
  • Saint John to United Kingdom
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St John to United Kingdom 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 11 June 2026.
Use the filters below to find and compare flights from Saint John to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Wed 8/7

10:45 a.m.-2:00 p.m.

2 stops23h 15m

London Gatwick

Tue 14/7

10:45 a.m.-10:00 a.m.

2 stops27h 15m

C$ 1,292
Quickest round-trip

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Wed 8/7

4:40 p.m.-10:00 a.m.

1 stop13h 20m

London Heathrow

Tue 14/7

9:30 a.m.-11:50 p.m.

2 stops18h 20m

C$ 1,466

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Tue 7/7

4:40 p.m.-6:30 a.m.

1 stop9h 50m

London Heathrow

Tue 14/7

2:10 p.m.-3:45 p.m.

2 stops29h 35m

C$ 1,466

Saint JohnGlasgow

YSJ - GLA

YSJGLA

Saint John

Sat 5/9

4:30 p.m.-9:30 p.m.

3 stops25h 00m

Glasgow Intl

Sat 12/9

9:25 p.m.-11:51 p.m.

2 stops30h 26m

C$ 1,813

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sun 5/7

5:00 a.m.-5:55 a.m.

2 stops20h 55m

London Heathrow

Sun 12/7

9:30 a.m.-3:45 p.m.

2 stops34h 15m

C$ 2,145

Saint JohnGlasgow

YSJ - GLA

YSJGLA

Saint John

Wed 22/7

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

2 stops13h 30m

Glasgow Intl

Wed 29/7

2:00 p.m.-11:55 a.m.

2 stops25h 55m

C$ 2,156
Cheapest one-way

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Mon 6/7

10:45 a.m.-8:20 a.m.

3 stops41h 35m

C$ 510

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Mon 6/7

10:45 a.m.-9:05 a.m.

3 stops42h 20m

C$ 590
Quickest one-way

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Mon 6/7

4:40 p.m.-10:00 a.m.

1 stop13h 20m

C$ 1,224

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Sorted by cheapest first

Best time to book a flight from St John to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from St John 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 Saint John to the United Kingdom
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated 11 June 2026.
Read reviews from past customers who have flown Air Canada from Saint John to the United Kingdom. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,160 reviews
Check prices

Crew

7.8

Boarding

7.3

Overall

7.1

Entertainment

6.8

Comfort

7.1

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.
Air Canada
7.1
Good
11,160 reviews
Air Canada
7.1
Good
11,160 reviews
Check prices

Crew

7.8

Boarding

7.3

Overall

7.1

Entertainment

6.8

Comfort

7.1

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.

Related info for your journey

Find useful and relevant information for your journey from St John to United Kingdom. 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 Saint John to United Kingdom?

    Located just 15.1 km from the city centre, Saint John (YSJ) is the airport most travellers will use when flying to United Kingdom from Saint John.

  • How long is the flight from Saint John to United Kingdom?

    For as low as C$ 1,466, Air Canada can have you in United Kingdom from Saint John in 9h 50m. The distance from Saint John to United Kingdom is about 4712 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Saint John to United Kingdom?

    The most popular route from Saint John to United Kingdom is Saint John - Glasgow Intl. You may also consider Saint John - London Heathrow or Saint John - London Gatwick.

  • Can I find deals for flights from St John to United Kingdom that include hotel bookings?

    Yes. In addition to deals on St John to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St John to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St John to United Kingdom.

  • Can I find deals for business class flights from St John to United Kingdom?

    Yes. Cheapflights offers flight deals from St John to United Kingdom 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

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Alternative routes for St John to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from St John to United Kingdom

Discover the top airline that operate flights from St John to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,193AverageC$ 1,460FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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Can Cheapflights find flights from St John to United Kingdom with no change fees?

Yes, we can. To see specific flights from St John to United Kingdom with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St John to United Kingdom become cheaper?

Yes, Cheapflights offers price alerts on St John to United Kingdom flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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