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Cheap flights from Birmingham to St. Louis from £494

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — STL
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Birmingham to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from Birmingham to St. Louis
Explore the most affordable flight options available from Birmingham to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 March 2026.

Mon 27/413:05
BHX
-
STL
2 stops15h 12m
Aer Lingus
Mon 4/516:30
STL
-
BHX
2 stops17h 35m
Aer Lingus
Deal found 13/3£771
Tue 21/412:20
BHX
-
STL
2 stops15h 59m
Multiple Airlines
Tue 5/515:38
STL
-
BHX
2 stops18h 27m
Multiple Airlines
Deal found 13/3£786
Thu 9/412:20
BHX
-
STL
2 stops15h 57m
Multiple Airlines
Thu 16/413:29
STL
-
BHX
2 stops16h 21m
Multiple Airlines
Deal found 12/3£887
Tue 21/418:05
BHX
-
STL
1 stop25h 20m
Lufthansa
Tue 5/519:09
STL
-
BHX
2 stops16h 01m
Lufthansa
Deal found 13/3£944
Mon 27/405:55
BHX
-
STL
2 stops21h 57m
United Airlines
Mon 4/517:28
STL
-
BHX
2 stops17h 57m
United Airlines
Deal found 13/3£963
Fri 30/1006:00
BHX
-
STL
1 stop13h 55m
United Airlines
Tue 3/1110:23
STL
-
BHX
2 stops20h 12m
United Airlines
Deal found 11/3£973

Find flight deals from Birmingham to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Birmingham (BHX) to St. Louis (STL). 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 16 March 2026.

Round-trip from

£771

One-way from

£494

Popular in

July

Cheapest in

February

Average price

£943
Aer Lingus
  • Aer Lingus
  • 27/4-4/5
  • 4 total stops
  • 32h 47m total
  • Birmingham to St. Louis
Search Deals
20/7
  • 20/7
  • 3 total stops
  • 35h 16m total
  • Birmingham to St. Louis
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£98 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Birmingham to St. Louis 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 858,174 searches. Data last updated 16 March 2026.
Use the filters below to find and compare flights from Birmingham to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Mon 27/4

13:05-22:17

2 stops15h 12m

Lambert-St Louis

Mon 4/5

16:30-16:05

2 stops17h 35m

£771
Fastest return journey

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 9/4

12:20-22:17

2 stops15h 57m

Lambert-St Louis

Thu 16/4

13:29-11:50

2 stops16h 21m

£887

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Tue 21/4

18:05-13:25

1 stop25h 20m

Lambert-St Louis

Tue 5/5

19:09-17:10

2 stops16h 01m

£944

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Mon 27/4

05:55-21:52

2 stops21h 57m

Lambert-St Louis

Mon 4/5

17:28-17:25

2 stops17h 57m

£963

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 9/4

10:15-13:25

1 stop33h 10m

Lambert-St Louis

Thu 16/4

06:15-17:15

2 stops29h 00m

£1,075

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 9/4

10:15-22:28

2 stops18h 13m

Lambert-St Louis

Thu 16/4

06:15-09:50

3 stops21h 35m

£1,255

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Tue 21/4

14:30-13:25

3 stops28h 55m

Lambert-St Louis

Tue 5/5

14:20-17:35

2 stops21h 15m

£2,218
Cheapest one-way

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Wed 22/7

08:20-23:57

2 stops21h 37m

£699

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Tue 21/7

18:45-23:57

2 stops35h 12m

£706

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Tue 21/7

05:55-23:36

2 stops23h 41m

£795

Flights are sorted by cheapest return flights first.

Deals found on 11/3

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight from Birmingham to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Birmingham with our price prediction graph.
Estimated return 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 Birmingham to St. Louis

What is the cheapest month to book a flight from Birmingham to St. Louis?

Currently, May is the cheapest month in which you can book a flight from Birmingham to St. Louis (average of £264). Flying from Birmingham to St. Louis in August is currently the most expensive (average of £822). 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.

How much does it cost for a return flight from Birmingham to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated 16 March 2026.
Read through reviews of airlines operating flights from Birmingham to St. Louis, such as KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,471 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,471 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Birmingham to St. Louis. 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 Birmingham to St. Louis?

    Airlines like Aer Lingus, Lufthansa, and United Airlines fly from Birmingham to St. Louis in about 15h 12m. The time it takes to get you to your destination can typically vary by up to 10h 08m. The distance from Birmingham to St. Louis is about 4108 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Birmingham to St. Louis round-trip?

    According to our current data, KLM (£573), offers the cheapest pricing from Birmingham to St. Louis. Users have found that KLM is 35% cheaper than the other options available to this destination.

  • Can I find deals for flights from Birmingham to St. Louis that include hotel bookings?

    Yes. In addition to deals on Birmingham to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Birmingham to St. Louis?

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

  • Can I find deals for business class flights from Birmingham to St. Louis?

    Yes. Cheapflights offers flight deals from Birmingham to St. Louis 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 Birmingham to St. Louis?

    Currently, May is the cheapest month in which you can book a flight from Birmingham to St. Louis (average of £264). Flying from Birmingham to St. Louis in August is currently the most expensive (average of £822). 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

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.

Top airline flying from Birmingham to St. Louis

Discover the top airline that operate flights from Birmingham to St. Louis. 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 858,174 searches. Data last updated 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£573Average£902FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Birmingham to St. Louis?

Deals for Birmingham to St. Louis flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Birmingham to St. Louis?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. Louis from Birmingham.

Can Cheapflights find flights from Birmingham to St. Louis with no change fees?

Yes, we can. To see specific flights from Birmingham to St. Louis 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 Birmingham to St. Louis become cheaper?

Yes, Cheapflights offers price alerts on Birmingham to St. Louis 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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