Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Birmingham to St. Louis

BHX — STL
6 Apr — 13 Apr1
1 adult
1 adult, Economy, 0 bags

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 7 March 2026.

Round-trip from

£750

One-way from

£307

Popular in

June

Cheapest in

February

Average price

£1,001
20/4-27/4
  • 20/4-27/4
  • 4 total stops
  • 34h 05m total
  • Birmingham to St. Louis
Search Deals
8/5
  • 8/5
  • 3 total stops
  • 58h 07m total
  • Birmingham to St. Louis
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£157 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£38 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 £295). Flying from Birmingham to St. Louis in August is currently the most expensive (average of £814). 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 7 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
1,467 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.6

Entertainment

7.1

Overall

7.8

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
1,467 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.6

Entertainment

7.1

Overall

7.8

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 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 . The distance from Birmingham to St. Louis is about 4108 mi.

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

    According to our current data, KLM (£567), 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, May is the cheapest month in which you can book a flight from Birmingham to St. Louis (average of £295). Flying from Birmingham to St. Louis in August is currently the most expensive (average of £814). 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 7 March 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£567Average£893FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.