Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Saint John to the United Kingdom from C$ 704

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint John to the United Kingdom departing on 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Saint John to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:15 p.m. - 7:10 a.m.
YSJ
-
LHR
10h 55m
1 stop
Air Canada Logo
6:00 p.m. - 2:40 p.m.
LHR
-
YSJ
24h 40m
2 stops
C$ 1,782Air Canada
Sun, 1 Mar - Sat, 7 Mar
Air Canada Logo
11:30 a.m. - 10:10 a.m.
YSJ
-
LHR
18h 40m
2 stops
Air Canada Logo
6:00 p.m. - 2:40 p.m.
LHR
-
YSJ
24h 40m
2 stops
C$ 1,839Air Canada
Sun, 1 Mar - Sat, 7 Mar
Air Canada Logo
4:15 p.m. - 7:10 a.m.
YSJ
-
LHR
10h 55m
1 stop
Air Canada Logo
6:00 p.m. - 9:50 a.m.
LHR
-
YSJ
19h 50m
1 stop
C$ 1,878Air Canada
Sun, 1 Mar - Sat, 7 Mar

Air Canada flights from Saint John to United Kingdom

Our best Air Canada deals on Saint John to United Kingdom flight tickets
Air Canada
26 Jan
YSJ4:15 p.m.Saint John
10h 55m
1 stop
LHR7:10 a.m.London Heathrow
2 Feb
LHR6:00 p.m.London Heathrow
20h 49m
1 stop
YSJ10:49 a.m.Saint John
C$ 973
Air Canada
23 Jan
YSJ11:30 a.m.Saint John
17h 50m
2 stops
LHR9:20 a.m.London Heathrow
27 Jan
LHR1:45 p.m.London Heathrow
37h 44m
2 stops
YSJ11:29 p.m.Saint John
C$ 1,031
Air Canada
23 Jan
YSJ11:30 a.m.Saint John
17h 50m
2 stops
LHR9:20 a.m.London Heathrow
27 Jan
LHR6:50 a.m.London Heathrow
12h 50m
2 stops
YSJ3:40 p.m.Saint John
C$ 1,037

momondo Fare Finder

 
Customize your flight search to find flights from Saint 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, momondo users made 96,600 searches. Data last updated 20 January 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

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sun 1/3

4:15 p.m.-7:10 a.m.

1 stop10h 55m

London Heathrow

Sat 7/3

6:00 p.m.-2:40 p.m.

2 stops24h 40m

C$ 1,782

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sun 1/3

11:30 a.m.-10:10 a.m.

2 stops18h 40m

London Heathrow

Sat 7/3

6:00 p.m.-2:40 p.m.

2 stops24h 40m

C$ 1,839

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sun 1/3

4:15 p.m.-7:10 a.m.

1 stop10h 55m

London Heathrow

Sat 7/3

6:00 p.m.-9:50 a.m.

1 stop19h 50m

C$ 1,878

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 6/3

12:00 p.m.-12:40 p.m.

3 stops44h 40m

C$ 704

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Fri 6/3

12:00 p.m.-9:50 a.m.

3 stops41h 50m

C$ 757

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Tue 3/3

4:15 p.m.-4:50 p.m.

3 stops20h 35m

C$ 826

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 6/3

4:15 p.m.-2:25 p.m.

2 stops18h 10m

C$ 844

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Thu 5/3

11:30 a.m.-8:30 a.m.

1 stop17h 00m

C$ 880

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Thu 5/3

11:30 a.m.-7:10 a.m.

2 stops15h 40m

C$ 884

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Fri 6/3

11:30 a.m.-9:45 a.m.

1 stop18h 15m

C$ 906

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Saint John to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Saint John to United Kingdom?

Air Canada is the most popular carrier operating from Saint John to United Kingdom

Cheap Saint John to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint John to United Kingdom

Fastest flight time

13h 40m

Direct flights

None
The fastest flight from Saint John to United Kingdom takes 13h 40m
There are no direct flights from Saint John to United Kingdom. There are no popular flight routes from Saint John to United Kingdom.
Search flight deals

  • When did momondo last update prices for flights from Saint John Airport to United Kingdom?

    Prices for flights from Saint John Airport to United Kingdom are refreshed on a daily basis.

  • How many operators does momondo search for flights from Saint John Airport to United Kingdom?

  • How old do you have to be to fly from Saint John Airport to United Kingdom?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint John Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Saint John to United Kingdom

Compare and see reviews for airlines that fly from Saint John to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 1,159Free CancellationRating
7.1
10,637 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Saint John to United Kingdom?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to United Kingdom from Saint John.

Can I find flights from Saint John to United Kingdom with flexible booking policies on momondo?

Flights from Saint John to United Kingdom with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Saint John to United Kingdom?

momondo helps you find the best flight between Saint John and United Kingdom by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Saint John to United Kingdom right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Saint John to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 19/2
Thu 26/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom C$ 598
Flights to Edinburghfrom C$ 691
Flights to Manchesterfrom C$ 658
Flights to Glasgowfrom C$ 697
Flights to Birminghamfrom C$ 662
Flights to Belfastfrom C$ 829
Flights to Newcastle upon Tynefrom C$ 822
Flights to Bristolfrom C$ 755
Flights to Aberdeenfrom C$ 875
Flights to Leedsfrom C$ 712
Flights to Liverpoolfrom C$ 673
Flights to Cardifffrom C$ 759