Travel with Axel,
get the best price.

Nashville → Saint Louis

Dec 21, 2026 · return Jan 4, 2027

BNA → STL1 adulteconomyRound trip

2 flight options · 1 airline

Nonstop flights

Mon, Dec 21 – Mon, Jan 4

Southwest Airlines
10:55 pmBNA
1h 20m
Nonstop
12:15 am+1STL
Southwest Airlines
10:35 amSTL
1h 5m
Nonstop
11:40 amBNA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Southwest Airlines
6:25 amBNA
1h 15m
Nonstop
7:40 amSTL
Southwest Airlines
10:35 amSTL
1h 5m
Nonstop
11:40 amBNA

Round-trip total · 1 adult · Taxes included

Make this trip yours

BNA ⇄ STL

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Southwest Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 → 2027-01-04Southwest AirlinesWN743 / WN665$264.002026-10-29T00:50:26Z
2026-12-21 → 2027-01-04Southwest AirlinesWN738 / WN665$264.002026-10-29T00:50:26Z

2026-12-21 → 2027-01-04 · $264.00

  • Southwest Airlines WN743: BNA 2026-12-21 22:55:00 → STL 2026-12-22 00:15:00; nonstop; 80 minutes. Local airport times.
  • Southwest Airlines WN665: STL 2027-01-04 10:35:00 → BNA 2027-01-04 11:40:00; nonstop; 65 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $264.00

  • Southwest Airlines WN738: BNA 2026-12-21 06:25:00 → STL 2026-12-21 07:40:00; nonstop; 75 minutes. Local airport times.
  • Southwest Airlines WN665: STL 2027-01-04 10:35:00 → BNA 2027-01-04 11:40:00; nonstop; 65 minutes. Local airport times.

More dates for this route