London — flights from St. Louis to London

Flight Deals from St. Louis to London from $620

Name: Knights Inn London ON
Rating: 7.2

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Good to Know

Essential information to help you plan your flight from St. Louis to London.

Cheapest Flight Round-trip

$1,274

Cheapest price found on Priceline for this route in the last 16 days. Found 7 days ago.

$48 below the typical $1,322 round-trip on this route.

Outbound · Nov 10

6:50 pmSTLSt Louis Lambert International Airport

2:42 pmYXULondon Airport

18h 52m · 2 stops via Chicago (ORD), Toronto (YYZ)

Return · Nov 17

3:25 pmYXULondon Airport

8:53 amSTLSt Louis Lambert International Airport

18h 28m · 2 stops via Toronto (YYZ), New York City (EWR)

Cheapest Flight One-way

$620

Lowest one-way price found on Priceline for this route in the last 16 days. Found 12 days ago.

The typical one-way fare on this route is $675.

Outbound · Oct 29

6:00 amSTLSt Louis Lambert International Airport

2:47 pmYXULondon Airport

7h 47m · 2 stops via Chicago (ORD), Toronto (YYZ)

Fastest Flights

$1,330

Fastest flight found on Priceline for this route in the last 16 days. Found 40 hours ago.

You could save 22h 27m of travel time for just $56 more.

Outbound · Nov 13

6:00 amSTLSt Louis Lambert International Airport

2:42 pmYXULondon Airport

7h 42m · 2 stops via Chicago (ORD), Toronto (YYZ)

Return · Nov 20

9:15 amYXULondon Airport

3:26 pmSTLSt Louis Lambert International Airport

7h 11m · 1 stop via Toronto (YYZ)

Good deal price

$1,313

A round-trip at or under $1,313 is a good deal on this route right now.

75% of the fares we found on this route cost more; only a quarter cost less.

Best time to fly

Evenings

Evening departures average $1,274 on this route, the lowest of any time of day.

$490 less than the average departure, which is $1,764.

Priceline Phone Deals

Book with an agent for great rates!

Call now!1 (888) 775-6158

United Airlinesfound Oct 12

11/10/26

6:50 pm

STL

18h 52mORDYYZ

11/11/26

2:42 pm

YXU

11/17/26

3:25 pm

YXU

18h 28mYYZEWR

11/18/26

8:53 am

STL

^$1,274

Air Canadafound Oct 10

11/02/26

6:00 am

STL

7h 47mORDYYZ

11/02/26

2:47 pm

YXU

11/09/26

9:15 am

YXU

7h 28mYYZORD

11/09/26

3:43 pm

STL

^$1,289

Air Canadafound Oct 10

11/02/26

9:40 am

STL

9h 12mORDYYZ

11/02/26

7:52 pm

YXU

11/09/26

9:15 am

YXU

7h 28mYYZORD

11/09/26

3:43 pm

STL

^$1,289

United Airlinesfound Oct 15

11/18/26

6:00 am

STL

7h 42mORDYYZ

11/18/26

2:42 pm

YXU

11/25/26

3:25 pm

YXU

18h 27mYYZEWR

11/26/26

8:52 am

STL

^$1,299

BUNDLE + SAVE

Book a flight & hotel together for extra savings.

On average save $240 per traveler

Air Canadafound Oct 10

11/02/26

6:00 am

STL

7h 47mORDYYZ

11/02/26

2:47 pm

YXU

11/09/26

3:25 pm

YXU

8h 59mYYZORD

11/09/26

11:24 pm

STL

^$1,289

United Airlinesfound Oct 15

11/18/26

11:29 am

STL

7h 58mEWRYYZ

11/18/26

8:27 pm

YXU

11/25/26

3:25 pm

YXU

18h 27mYYZEWR

11/26/26

8:52 am

STL

^$1,299

Air Canadafound Oct 10

11/02/26

6:00 am

STL

7h 47mORDYYZ

11/02/26

2:47 pm

YXU

11/09/26

9:15 am

YXU

9h 54mYYZORD

11/09/26

6:09 pm

STL

^$1,289

United Airlinesfound Oct 15

11/18/26

5:00 am

STL

8h 42mORDYYZ

11/18/26

2:42 pm

YXU

11/25/26

3:25 pm

YXU

18h 27mYYZEWR

11/26/26

8:52 am

STL

^$1,299

Air Canadafound Oct 10

11/02/26

8:30 am

STL

10h 22mORDYYZ

11/02/26

7:52 pm

YXU

11/09/26

9:15 am

YXU

7h 28mYYZORD

11/09/26

3:43 pm

STL

^$1,289

United Airlinesfound Oct 15

11/18/26

9:59 am

STL

9h 28mEWRYYZ

11/18/26

8:27 pm

YXU

11/25/26

3:25 pm

YXU

18h 27mYYZEWR

11/26/26

8:52 am

STL

^$1,299

Top Deals on flights from St. Louis to London

St. Louis, US (STL) - London, CA (YXU)

Air Canada

Oct 29

6:00 am

STL

7h 47m2 stops · ORD, YYZ

Oct 29

2:47 pm

YXU

Search More

as low as

^$620

St. Louis, US (STL) - London, CA (YXU)

Air Canada

Oct 29

7:30 am

STL

11h 22m2 stops · ORD, YYZ

Oct 29

7:52 pm

YXU

Search More

as low as

^$620

St. Louis, US (STL) - London, CA (YXU)

Air Canada

Oct 29

7:30 am

STL

11h 22m2 stops · ORD, YYZ

Oct 29

7:52 pm

YXU

Search More

as low as

^$644

St. Louis, US (STL) - London, CA (YXU)

Air Canada

Oct 29

6:00 am

STL

12h 52m2 stops · ORD, YYZ

Oct 29

7:52 pm

YXU

Search More

as low as

^$644

St. Louis, US (STL) - London, CA (YXU)

Air Canada

Oct 29

6:00 am

STL

12h 52m2 stops · ORD, YYZ

Oct 29

7:52 pm

YXU

Search More

as low as

^$644

St. Louis, US (STL) - London, CA (YXU)

Air Canada

Oct 29

10:53 am

STL

7h 59m2 stops · ORD, YYZ

Oct 29

7:52 pm

YXU

Search More

as low as

^$651

St. Louis, US (STL) - London, CA (YXU)

Air Canada

Oct 29

9:40 am

STL

9h 12m2 stops · ORD, YYZ

Oct 29

7:52 pm

YXU

Search More

as low as

^$651

St. Louis, US (STL) - London, CA (YXU)

Air Canada

Oct 29

7:30 am

STL

11h 22m2 stops · ORD, YYZ

Oct 29

7:52 pm

YXU

Search More

as low as

^$651

St. Louis, US (STL) - London, CA (YXU)

United Airlines

Oct 29

6:00 am

STL

7h 47m2 stops · ORD, YYZ

Oct 29

2:47 pm

YXU

Search More

as low as

^$658

St. Louis, US (STL) - London, CA (YXU)

United Airlines

Oct 29

5:00 am

STL

8h 47m2 stops · ORD, YYZ

Oct 29

2:47 pm

YXU

Search More

as low as

^$658

St. Louis, US (STL) - London, CA (YXU)

United Airlines

Oct 29

10:53 am

STL

7h 59m2 stops · ORD, YYZ

Oct 29

7:52 pm

YXU

Search More

as low as

^$658

St. Louis, US (STL) - London, CA (YXU)

United Airlines

Oct 29

9:40 am

STL

9h 12m2 stops · ORD, YYZ

Oct 29

7:52 pm

YXU

Search More

as low as

^$658

See all 12 dealsShow fewer deals

Best London Hotel + Flight Packages

St. Louis - London packages

Round-trip flight from St. Louis

STL to YXU

Staybridge Suites London By IHG

London, 824 Exeter Road

8.1352 Reviews3-Star Hotel

5% Package Savings

^$1,703/person

$3,597 $3,405 total

Incl. Flight + Hotel

Round-trip flight from St. Louis

STL to YXU

Days Inn by Wyndham London

London, 1100 Wellington Road South

5.81,573 Reviews2.5-Star Hotel

3% Package Savings

^$1,638/person

$3,366 $3,276 total

Incl. Flight + Hotel

Round-trip flight from St. Louis

STL to YXU

London Travel Inn

London, 738, Exeter Rd, London, On, London, On

6.4237 Reviews2.5-Star Hotel

5% Package Savings

^$1,559/person

$3,273 $3,117 total

Incl. Flight + Hotel

Round-trip flight from St. Louis

STL to YXU

Comfort Suites

London, 1120 Dearness Dr

8.1552 Reviews2.5-Star Hotel

14% Package Savings

^$1,983/person

$4,628 $3,966 total

Incl. Flight + Hotel

Round-trip flight from St. Louis

STL to YXU

Comfort Inn

London, 1156 Wellington Road

7.1391 Reviews2.5-Star Hotel

6% Package Savings

^$1,735/person

$3,676 $3,470 total

Incl. Flight + Hotel

Round-trip flight from St. Louis

STL to YXU

Courtyard by Marriott London

London, 864 Exeter Road

8.1196 Reviews3-Star Hotel

6% Package Savings

^$1,888/person

$4,004 $3,776 total

Incl. Flight + Hotel

Round-trip flight from St. Louis

STL to YXU

Spencer Hotel & Conference Centre

London, 551 Windermere Road

8.2702 Reviews3-Star Hotel

9% Package Savings

^$1,796/person

$3,962 $3,592 total

Incl. Flight + Hotel

Round-trip flight from St. Louis

STL to YXU

Knights Inn London ON

London, 1739 Dundas St E

7.2302 Reviews2-Star Hotel

3% Package Savings

^$1,556/person

$3,210 $3,112 total

Incl. Flight + Hotel

Best London Hotel + Flight + Car Packages

St. Louis - London packages

Round-trip flight from St. Louis

STL to YXU

Comfort Suites

London, 1120 Dearness Dr

8.1552 Reviews2.5-Star Hotel

Rental car included

Pick-up in YXU

14% Package Savings

^$2,119/person

$4,917 $4,237 total

Incl. Flight + Hotel + Car

Round-trip flight from St. Louis

STL to YXU

Comfort Inn

London, 1156 Wellington Road

7.1391 Reviews2.5-Star Hotel

Rental car included

Pick-up in YXU

6% Package Savings

^$1,871/person

$3,963 $3,741 total

Incl. Flight + Hotel + Car

Round-trip flight from St. Louis

STL to YXU

Courtyard by Marriott London

London, 864 Exeter Road

8.1196 Reviews3-Star Hotel

Rental car included

Pick-up in YXU

6% Package Savings

^$2,024/person

$4,291 $4,047 total

Incl. Flight + Hotel + Car

Round-trip flight from St. Louis

STL to YXU

Spencer Hotel & Conference Centre

London, 551 Windermere Road

8.2702 Reviews3-Star Hotel

Rental car included

Pick-up in YXU

9% Package Savings

^$1,932/person

$4,251 $3,863 total

Incl. Flight + Hotel + Car

Round-trip flight from St. Louis

STL to YXU

Knights Inn London ON

London, 1739 Dundas St E

7.2302 Reviews2-Star Hotel

Rental car included

Pick-up in YXU

3% Package Savings

^$1,692/person

$3,497 $3,383 total

Incl. Flight + Hotel + Car

Round-trip flight from St. Louis

STL to YXU

Staybridge Suites London By IHG

London, 824 Exeter Road

8.1352 Reviews3-Star Hotel

Rental car included

Pick-up in YXU

5% Package Savings

^$1,838/person

$3,888 $3,676 total

Incl. Flight + Hotel + Car

Round-trip flight from St. Louis

STL to YXU

Days Inn by Wyndham London

London, 1100 Wellington Road South

5.81,573 Reviews2.5-Star Hotel

Rental car included

Pick-up in YXU

3% Package Savings

^$1,774/person

$3,653 $3,547 total

Incl. Flight + Hotel + Car

Round-trip flight from St. Louis

STL to YXU

London Travel Inn

London, 738, Exeter Rd, London, On, London, On

6.4237 Reviews2.5-Star Hotel

Rental car included

Pick-up in YXU

5% Package Savings

^$1,694/person

$3,564 $3,388 total

Incl. Flight + Hotel + Car

When is the best time of day to fly?

Evening (5pm - 9pm) is the cheapest time of day to fly from St. Louis to London. At $1,274 it is 28% cheaper than the average time. Afternoon (2pm - 5pm) is the most expensive time, 52% above average.

Show the data

When is the best time of day to fly?
Time of day	Average fare
Morning	$1,332
Afternoon	$2,685
Evening	$1,274

What do round-trip flights from St. Louis to London cost?

Share of fares in each price range.

Show the data

What do round-trip flights from St. Louis to London cost?
Price range	Share of fares
$1,250 to $1,300	16%
$1,300 to $1,350	79%
$1,350 to $1,400	2%
$1,400 and up	2%

Flight Deals from St. Louis to London from $620

Good to Know

Top Deals on flights from St. Louis to London

Best London Hotel + Flight Packages

Best London Hotel + Flight + Car Packages

When is the best time of day to fly?

What do round-trip flights from St. Louis to London cost?

Flights to London