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$669+ Cheap flights from Hannover (HAJ) to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
HAJ — STL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Hannover to St. Louis

Cheapest flights from Hannover to St. Louis
Explore the most affordable flight options available from Hannover to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:05 amHAJ - STL
2 stops22h 29mDelta
Tue 12/307:02 pmSTL - HAJ
2 stops32h 43mDelta
Deal found 12/10$808
This Flysmarter deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:10 amHAJ - STL
3 stops19h 33mAir Canada
Sat 1/1712:44 pmSTL - HAJ
2 stops13h 51mAir Canada
Deal found 12/10$833
This Delta deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:05 amHAJ - STL
2 stops22h 38mDelta
Sat 1/1710:19 amSTL - HAJ
2 stops17h 01mDelta
Deal found 12/11$850
This Flysmarter deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:05 amHAJ - STL
2 stops18h 25mKLM
Sat 1/1710:19 amSTL - HAJ
2 stops17h 01mKLM
Deal found 12/10$1,049
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/273:05 pmHAJ - STL
1 stop29h 50mUnited Airlines
Sat 1/1711:20 amSTL - HAJ
2 stops15h 15mUnited Airlines
Deal found 12/10$1,213
This Flysmarter deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:25 amHAJ - STL
3 stops19h 18mMultiple Airlines
Tue 12/3011:05 amSTL - HAJ
2 stops18h 40mMultiple Airlines
Deal found 12/10$1,583
This Flysmarter deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:25 amHAJ - STL
3 stops19h 18mAir Canada
Tue 12/309:55 amSTL - HAJ
3 stops19h 50mAir Canada
Deal found 12/10$1,590

Find flight deals from Hannover to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Hannover (HAJ) 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 December 12, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$669
(United Airlines)
Provider with most accurate pricing for Hannover-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Hannover-Lambert-St Louis flights.
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From Hannover to Lambert-St Louis
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Hannover 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 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Hannover to St. Louis that are best for you.

Fly from

Hannover

Fly to

St. Louis

Route

Depart

Return

Price

HannoverSt. Louis

HAJ - STL

HAJSTL

Hannover

Sun 1/25

6:15 am-1:55 pm

1 stop14h 40m

Lambert-St Louis

Sun 2/1

8:05 am-7:05 pm

2 stops28h 00m

$669

HannoverSt. Louis

HAJ - STL

HAJSTL

Hannover

Thu 2/19

7:20 pm-7:25 pm

2 stops31h 05m

Lambert-St Louis

Mon 2/23

2:24 pm-11:15 am

2 stops13h 51m

$673

HannoverSt. Louis

HAJ - STL

HAJSTL

Hannover

Sat 12/27

10:10 am-10:43 pm

3 stops19h 33m

Lambert-St Louis

Sat 1/17

12:44 pm-9:35 am

2 stops13h 51m

$833

HannoverSt. Louis

HAJ - STL

HAJSTL

Hannover

Sat 12/27

6:05 am-9:43 pm

2 stops22h 38m

Lambert-St Louis

Sat 1/17

10:19 am-10:20 am

2 stops17h 01m

$850

HannoverSt. Louis

HAJ - STL

HAJSTL

Hannover

Fri 1/9

6:20 am-10:58 pm

2 stops23h 38m

Lambert-St Louis

Fri 1/16

8:05 am-4:25 pm

2 stops25h 20m

$928

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

  • Most accurate provider: When it comes to deals on Hannover-St. Louis flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Hannover-St. Louis flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Hannover-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hannover-St. Louis flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hannover-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Hannover with our price prediction graph.
Estimated round-trip 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 Hannover to St. Louis

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

Currently, February is the cheapest month in which you can book a flight from Hannover to St. Louis (average of $496). Flying from Hannover to St. Louis in September is currently the most expensive (average of $879). 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.

Related info for your journey

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

    Departing from Hannover to St. Louis will take you 14h 40m. Airlines will cover a distance of 4529 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Hannover to St. Louis (average of $496). Flying from Hannover to St. Louis in September is currently the most expensive (average of $879). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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