App
Customer Support
MXN
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from St. Louis to Patna Starting at MXN$20,957

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • STL04:45 pm
        36h 5m
        2 stops
        PAT03:20 pm
        Fri, Mar 14|St. Louis - Patna|Lufthansa
        MXN$20,957MXN$110,153
        81% OFF
        81% OFF
        MXN$110,153MXN$20,957

        Choose Lufthansa flights from St. Louis to Patna. The one-way connecting flight with Lufthansa departs from St. Louis Lambert International Airport on Fri, Mar 14, arriving at Patna Airport. One-way Prices start from MXN$20,957 including taxes and charges.

      • STL05:33 pm
        59h 17m
        2 stops
        PAT03:20 pm
        Fri, Mar 14|St. Louis - Patna|United Airlines
        MXN$96,935MXN$110,153
        12% OFF
        12% OFF
        MXN$110,153MXN$96,935

        Choose United Airlines flights from St. Louis to Patna. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Fri, Mar 14, arriving at Patna Airport. One-way Prices start from MXN$96,935 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        PAT02:00 pm
        Sun, Feb 23|St. Louis - Patna|Lufthansa
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

St. Louis to Patna Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. LH449

    Lufthansa

    03:30 pm

    STL

    8.9h

    07:25 am

    FRA

    --T-T-S
    Search

  2. LH7252

    Lufthansa

    09:15 pm

    FRA

    8.1h

    08:50 am

    DEL

    SMTWTFS

  3. AI895

    Air India

    08:25 pm

    DEL

    1.6h

    10:00 pm

    PAT

    SMTWTFS

  4. LH449

    Lufthansa

    03:30 pm

    STL

    8.9h

    07:25 am

    FRA

    --T-T-S
    Search

  5. LH7252

    Lufthansa

    09:15 pm

    FRA

    8.1h

    08:50 am

    DEL

    SMTWTFS

  6. AI415

    Air India

    04:45 pm

    DEL

    1.7h

    06:25 pm

    PAT

    SM-WTFS

  7. LH449

    Lufthansa

    03:30 pm

    STL

    8.9h

    07:25 am

    FRA

    --T-T-S
    Search

  8. LH5294

    Lufthansa

    12:10 pm

    FRA

    8.1h

    11:45 pm

    DEL

    -MT-TFS

  9. AI415

    Air India

    04:45 pm

    DEL

    1.7h

    06:25 pm

    PAT

    SM-WTFS

  10. LH449

    Lufthansa

    03:30 pm

    STL

    8.9h

    07:25 am

    FRA

    --T-T-S
    Search

  11. LH760

    Lufthansa

    01:10 pm

    FRA

    8.3h

    12:55 am

    DEL

    SMTWTFS

  12. AI407

    Air India

    01:35 pm

    DEL

    1.8h

    03:20 pm

    PAT

    SMTWTFS

  13. LH449

    Lufthansa

    03:30 pm

    STL

    8.9h

    07:25 am

    FRA

    --T-T-S
    Search

  14. LH756

    Lufthansa

    01:10 pm

    FRA

    8.4h

    01:05 am

    BOM

    SMTWTFS

  15. AI673

    Air India

    11:00 am

    BOM

    2.5h

    01:30 pm

    PAT

    SMTWTFS

  16. UA1840

    United Airlines

    03:32 pm

    STL

    1.4h

    04:54 pm

    ORD

    SMTWTFS
    Search

  17. AI126

    Air India

    12:00 pm

    ORD

    14.4h

    12:55 pm

    DEL

    SMTWTFS

  18. AI415

    Air India

    04:45 pm

    DEL

    1.7h

    06:25 pm

    PAT

    SM-WTFS

  19. DL4981

    Delta Air Lines

    06:00 am

    STL

    2.5h

    09:29 am

    LGA

    SMTWT--
    Search

  20. AI116

    Air India

    11:10 am

    JFK

    14.9h

    11:35 am

    BOM

    SMTWTFS

  21. AI673

    Air India

    11:00 am

    BOM

    2.5h

    01:30 pm

    PAT

    SMTWTFS

  22. UA3684

    United Airlines

    11:49 am

    STL

    2.6h

    03:27 pm

    EWR

    SMTWTFS
    Search

  23. UA082

    United Airlines

    08:55 pm

    EWR

    15.1h

    09:30 pm

    DEL

    SMTWTFS

  24. AI895

    Air India

    08:25 pm

    DEL

    1.6h

    10:00 pm

    PAT

    SMTWTFS

  25. UA3684

    United Airlines

    11:49 am

    STL

    2.6h

    03:27 pm

    EWR

    SMTWTFS
    Search

  26. UA082

    United Airlines

    08:55 pm

    EWR

    15.1h

    09:30 pm

    DEL

    SMTWTFS

  27. AI407

    Air India

    01:35 pm

    DEL

    1.8h

    03:20 pm

    PAT

    SMTWTFS

  28. UA3684

    United Airlines

    11:49 am

    STL

    2.6h

    03:27 pm

    EWR

    SMTWTFS
    Search

  29. UA082

    United Airlines

    08:55 pm

    EWR

    15.1h

    09:30 pm

    DEL

    SMTWTFS

  30. 6E2373

    IndiGo

    10:10 am

    DEL

    1.7h

    11:50 am

    PAT

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from St. Louis to Patna?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from St. Louis (STL) to Patna (PAT) the cheapest?

    Airlines adjust prices for flights from St. Louis to Patna based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to Patna (PAT) cost?

    According to Trip.com's data, the lowest price is around MXN$14,104.

  • What is the transportation method from the main airport to downtown in Patna?

    • The distance from Patna Airport to downtown is about 5 km. It takes about 20 minutes by taxi.

How to find a cheap flight from St. Louis to Patna

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Patna. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | St. Louis to Patna

Off-season for travelDecember
Peak season for travelJanuary
Flight distance12,858.52 km
Popular airlineDelta Air Lines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.