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Cheap flights from Birmingham to St. Louis from £546

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — STL
5 Mar — 12 Mar1
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 3 February 2026.

Thu 19/308:15
BHX
-
STL
2 stops38h 04m
Finnair
Thu 26/311:59
STL
-
BHX
2 stops19h 51m
Finnair
Deal found 2/2£777
Thu 19/308:30
BHX
-
STL
3 stops35h 59m
Multiple Airlines
Thu 26/309:50
STL
-
BHX
3 stops20h 20m
Multiple Airlines
Deal found 2/2£1,302
Wed 4/206:00
BHX
-
STL
2 stops33h 22m
United Airlines
Sun 8/216:49
STL
-
BHX
2 stops37h 56m
United Airlines
Deal found 2/2£1,310
Wed 4/206:00
BHX
-
STL
2 stops39h 29m
Air Canada
Sun 8/216:05
STL
-
BHX
2 stops38h 40m
Air Canada
Deal found 1/2£1,320
Thu 19/313:25
BHX
-
STL
1 stop30h 30m
Lufthansa
Thu 26/311:28
STL
-
BHX
2 stops20h 07m
Lufthansa
Deal found 2/2£2,169

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 3 February 2026.

Round-trip from

£777

One-way from

£546

Popular in

June

Cheapest in

February

Average price

£631
Finnair
  • Finnair
  • 19/3-26/3
  • 4 total stops
  • 57h 55m total
  • Birmingham to St. Louis
Search Deals
Lufthansa
  • Lufthansa
  • 17/6
  • 1 total stop
  • 13h 20m total
  • Birmingham to St. Louis
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£140 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 3 February 2026.
Use the filters below to find and compare flights from Birmingham to St. Louis that are best for you.

Fly from

Birmingham

Fly to

St. Louis

Route

Depart

Return

Price

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 19/3

08:15-17:19

2 stops38h 04m

Lambert-St Louis

Thu 26/3

11:59-12:50

2 stops19h 51m

£777

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 19/3

08:30-15:29

3 stops35h 59m

Lambert-St Louis

Thu 26/3

09:50-11:10

3 stops20h 20m

£1,302

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Thu 19/3

13:25-14:55

1 stop30h 30m

Lambert-St Louis

Thu 26/3

11:28-12:35

2 stops20h 07m

£2,169

BirminghamSt. Louis

BHX - STL

BHXSTL

Birmingham

Wed 17/6

06:05-13:25

1 stop13h 20m

£546

Flights are sorted by cheapest return flights first.

Deals found on 2/2

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, March is the cheapest month in which you can book a flight from Birmingham to St. Louis (average of £518). Flying from Birmingham to St. Louis in August is currently the most expensive (average of £797). 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.

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 3 February 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
7.7
Good
1,448 reviews
Check prices

Boarding

7.8

Overall

7.7

Food

7.3

Crew

8.4

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,448 reviews
KLM
7.7
Good
1,448 reviews
Check prices

Boarding

7.8

Overall

7.7

Food

7.3

Crew

8.4

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 Finnair and Lufthansa fly from Birmingham to St. Louis in about 30h 30m. The time it takes to get you to your destination can typically vary by up to 7h 34m. 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 (£554), offers the cheapest pricing from Birmingham to St. Louis. Users have found that KLM is 39% 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, March is the cheapest month in which you can book a flight from Birmingham to St. Louis (average of £518). Flying from Birmingham to St. Louis in August is currently the most expensive (average of £797). 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

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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 3 February 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£554Average£873FlexibilityNo 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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