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Boston to St. Louis flight ticket price

Compare live prices for BOS to STL. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
BOS → STL Approx. 1680.59 km 08 May 2026 Live inventory
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Showing 25 of 145 live flights
Southwest Airlines
WN-3665
18:55
05/08/2026
BOS
General Edward Lawrence Logan International Airport
19h 5m
1 Stop
⏱ MDW · 16h 0mMDW Airport
14:00
05/09/2026
+1
STL
St Louis Lambert International Airport
₹20,345
per person
✕ Non-refundable🔥 Last 2 seats4 fare options
Southwest Airlines
WN-776
10:40
05/08/2026
BOS
General Edward Lawrence Logan International Airport
23h 50m
1 Stop
⏱ MDW · 20h 55mMDW Airport
10:30
05/09/2026
+1
STL
St Louis Lambert International Airport
₹21,748
per person
✕ Non-refundable🔥 Last 4 seats4 fare options
Southwest Airlines
WN-898
15:45
05/08/2026
BOS
General Edward Lawrence Logan International Airport
18h 45m
1 Stop
⏱ MDW · 15h 45mMDW Airport
10:30
05/09/2026
+1
STL
St Louis Lambert International Airport
₹22,683
per person
✕ Non-refundable🔥 Last 3 seats4 fare options
Southwest Airlines
WN-3665
18:55
05/08/2026
BOS
General Edward Lawrence Logan International Airport
24h 50m
1 Stop
⏱ MDW · 21h 45mMDW Airport
19:45
05/09/2026
+1
STL
St Louis Lambert International Airport
₹23,617
per person
✕ Non-refundable🔥 Last 2 seats4 fare options
Southwest Airlines
WN-892
17:05
05/08/2026
BOS
General Edward Lawrence Logan International Airport
20h 15m
1 Stop
⏱ DEN · 14h 15mDEN Airport
13:20
05/09/2026
+1
STL
St Louis Lambert International Airport
₹23,898
per person
✕ Non-refundable4 fare options
American Airlines
AA-4224
15:00
05/08/2026
BOS
General Edward Lawrence Logan International Airport
2h 12m
Non-stop
17:12
05/08/2026
STL
St Louis Lambert International Airport
₹23,916
per person
✕ Non-refundable14 fare options
Delta Air Lines
DL-5609
21:00
05/08/2026
BOS
General Edward Lawrence Logan International Airport
14h 37m
1 Stop
⏱ LGA · 11h 25mLGA Airport
11:37
05/09/2026
+1
STL
St Louis Lambert International Airport
₹23,995
per person
✕ Non-refundable
Delta Air Lines
DL-5847
20:00
05/08/2026
BOS
General Edward Lawrence Logan International Airport
15h 37m
1 Stop
⏱ LGA · 12h 23mLGA Airport
11:37
05/09/2026
+1
STL
St Louis Lambert International Airport
₹23,995
per person
✕ Non-refundable
Delta Air Lines
DL-5609
21:00
05/08/2026
BOS
General Edward Lawrence Logan International Airport
18h 19m
1 Stop
⏱ LGA · 15h 14mLGA Airport
15:19
05/09/2026
+1
STL
St Louis Lambert International Airport
₹23,995
per person
✕ Non-refundable
Delta Air Lines
DL-5847
20:00
05/08/2026
BOS
General Edward Lawrence Logan International Airport
19h 19m
1 Stop
⏱ LGA · 16h 12mLGA Airport
15:19
05/09/2026
+1
STL
St Louis Lambert International Airport
₹23,995
per person
✕ Non-refundable
Delta Air Lines
DL-5702
20:55
05/08/2026
BOS
General Edward Lawrence Logan International Airport
19h 48m
1 Stop
⏱ JFK · 16h 31mJFK Airport
16:43
05/09/2026
+1
STL
St Louis Lambert International Airport
₹23,995
per person
✕ Non-refundable
American Airlines
AA-425
19:50
05/08/2026
BOS
General Edward Lawrence Logan International Airport
12h 37m
1 Stop
⏱ ORD · 9h 2mORD Airport
08:27
05/09/2026
+1
STL
St Louis Lambert International Airport
₹24,276
per person
✕ Non-refundable
Southwest Airlines
WN-901
11:35
05/08/2026
BOS
General Edward Lawrence Logan International Airport
1h 55m
Non-stop
13:30
05/08/2026
STL
St Louis Lambert International Airport
₹24,339
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-900
05:40
05/08/2026
BOS
General Edward Lawrence Logan International Airport
2h 0m
Non-stop
07:40
05/08/2026
STL
St Louis Lambert International Airport
₹24,339
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-908
18:45
05/08/2026
BOS
General Edward Lawrence Logan International Airport
2h 10m
Non-stop
20:55
05/08/2026
STL
St Louis Lambert International Airport
₹24,339
per person
✕ Non-refundable6 fare options
Delta Air Lines
DL-1019
05:40
05/08/2026
BOS
General Edward Lawrence Logan International Airport
3h 49m
1 Stop
⏱ DTW · 0h 54mDTW Airport
09:29
05/08/2026
STL
St Louis Lambert International Airport
₹24,824
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-1432
17:15
05/08/2026
BOS
General Edward Lawrence Logan International Airport
3h 54m
1 Stop
⏱ DTW · 0h 55mDTW Airport
21:09
05/08/2026
STL
St Louis Lambert International Airport
₹24,824
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-385
10:16
05/08/2026
BOS
General Edward Lawrence Logan International Airport
5h 59m
1 Stop
⏱ ATL · 2h 32mATL Airport
16:15
05/08/2026
STL
St Louis Lambert International Airport
₹24,824
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-5726
16:00
05/08/2026
BOS
General Edward Lawrence Logan International Airport
4h 39m
1 Stop
⏱ LGA · 1h 15mLGA Airport
20:39
05/08/2026
STL
St Louis Lambert International Airport
₹24,824
per person
✕ Non-refundable2 fare options
American Airlines
AA-425
19:50
05/08/2026
BOS
General Edward Lawrence Logan International Airport
4h 6m
1 Stop
⏱ ORD · 0h 40mORD Airport
23:56
05/08/2026
STL
St Louis Lambert International Airport
₹24,824
per person
✕ Non-refundable8 fare options
American Airlines
AA-2815
17:35
05/08/2026
BOS
General Edward Lawrence Logan International Airport
4h 44m
1 Stop
⏱ ORD · 1h 3mORD Airport
22:19
05/08/2026
STL
St Louis Lambert International Airport
₹24,824
per person
✕ Non-refundable8 fare options
American Airlines
AA-1416
15:05
05/08/2026
BOS
General Edward Lawrence Logan International Airport
4h 24m
1 Stop
⏱ PHL · 0h 58mPHL Airport
19:29
05/08/2026
STL
St Louis Lambert International Airport
₹24,824
per person
✕ Non-refundable8 fare options
American Airlines
AA-2096
08:07
05/08/2026
BOS
General Edward Lawrence Logan International Airport
4h 41m
1 Stop
⏱ PHL · 1h 21mPHL Airport
12:48
05/08/2026
STL
St Louis Lambert International Airport
₹24,824
per person
✕ Non-refundable8 fare options
American Airlines
AA-4571
10:00
05/08/2026
BOS
General Edward Lawrence Logan International Airport
5h 12m
1 Stop
⏱ LGA · 1h 49mLGA Airport
15:12
05/08/2026
STL
St Louis Lambert International Airport
₹24,824
per person
✕ Non-refundable8 fare options
American Airlines
AA-4439
06:00
05/08/2026
BOS
General Edward Lawrence Logan International Airport
5h 13m
1 Stop
⏱ LGA · 2h 0mLGA Airport
11:13
05/08/2026
STL
St Louis Lambert International Airport
₹24,824
per person
✕ Non-refundable8 fare options
😕 No flights match your filters.
Boston (BOS)
📍 General Edward Lawrence Logan International Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 42.36429977
📐 Longitude: -71.00520325
St. Louis (STL)
📍 St Louis Lambert International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 38.748697
📐 Longitude: -90.370003

✈ Distance: Boston,USA to St. Louis,USA1680.59 km

📅 Results on this page are loaded for 08 May 2026. Click View all flights for the complete live search.

Boston to St. Louis — what to expect when booking

The BOS–STL route is served by multiple carriers throughout the year. Fares on this route can move quickly — a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between Boston,USA and St. Louis,USA is approximately 1680.59 km.

Before you book

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More flights from Boston (BOS)
96 routes
Boston Akron
BOS → CAK
Boston Albany
BOS → ALB
Boston Amsterdam
BOS → AMS
Boston Atlanta
BOS → ATL
Boston Atlantic City
BOS → ACY
Boston Augusta
BOS → AUG
Boston Austin
BOS → AUS
Boston Bar Harbor
BOS → BHB
Boston Bermuda
BOS → BDA
Boston Buffalo
BOS → BUF
Boston Cancun
BOS → CUN
Boston Charleston
BOS → CHS
Boston Charlotte
BOS → CLT
Boston Chicago
BOS → ORD
Boston Cincinnati
BOS → CVG
Boston Cleveland
BOS → CLE
Boston Columbus
BOS → CMH
Boston Denver
BOS → DEN
Boston Detroit
BOS → DTW
Boston Dubai
BOS → DXB
Boston Dublin
BOS → DUB
Boston Fort Lauderdale
BOS → FLL
Boston Fort Myers
BOS → RSW
Boston Fort Worth
BOS → DFW
Boston Frankfurt
BOS → FRA
Boston Halifax International
BOS → YHZ
Boston Harrisburg
BOS → MDT
Boston Houston
BOS → IAH
Boston Houston
BOS → HOU
Boston Hyannis
BOS → HYA
Boston Indianapolis
BOS → IND
Boston Jacksonville
BOS → JAX
Boston Kansas City
BOS → MCI
Boston Las Vegas
BOS → LAS
Boston Lebanon
BOS → LEB
Boston Lisbon
BOS → LIS
Boston London
BOS → LHR
Boston Long Beach
BOS → LGB
Boston Long Island
BOS → ISP
Boston Los Angeles
BOS → LAX
Boston Madrid
BOS → MAD
Boston Martha-s Vineyard
BOS → MVY
Boston Miami
BOS → MIA
Boston Milwaukee
BOS → MKE
Boston Minneapolis
BOS → MSP
Boston Montreal
BOS → YUL
Boston Muenchen
BOS → MUC
Boston Myrtle Beach
BOS → MYR
Boston Nantucket
BOS → ACK
Boston Nashville
BOS → BNA
Boston Nassau
BOS → NAS
Boston New Orleans
BOS → MSY
Boston New York
BOS → JFK
Boston Oranjestad
BOS → AUA
Boston Orlando
BOS → MCO
Boston Ottawa
BOS → YOW
Boston Panama City
BOS → PTY
Boston Paris
BOS → CDG
Boston Philadelphia
BOS → PHL
Boston Phoenix
BOS → PHX
Boston Pittsburgh International Airport
BOS → PIT
Boston Plattsburgh
BOS → PBG
Boston Ponta Delgada
BOS → PDL
Boston Portland International
BOS → PDX
Boston Praia
BOS → RAI
Boston Presque Island
BOS → PQI
Boston Providenciales
BOS → PLS
Boston Provincetown
BOS → PVC
Boston Punta Cana
BOS → PUJ
Boston Raleigh
BOS → RDU
Boston Reykjavik
BOS → KEF
Boston Richmond
BOS → RIC
Boston Rochester
BOS → ROC
Boston Rockland
BOS → RKD
Boston Rome
BOS → FCO
Boston Rutland
BOS → RUT
Boston Salt Lake City
BOS → SLC
Boston San Diego
BOS → SAN
Boston San Francisco
BOS → SFO
Boston San Jose
BOS → SJC
Boston San Juan
BOS → SJU
Boston Santiago de los Caballeros
BOS → STI
Boston Santo Domingo
BOS → SDQ
Boston Saranac Lake
BOS → SLK
Boston Savannah
BOS → SAV
Boston Seattle
BOS → SEA
Boston Shannon
BOS → SNN
Boston St. Marteen
BOS → SXM
Boston St. Thomas
BOS → STT
Boston Syracuse
BOS → SYR
Boston Tampa
BOS → TPA
Boston Tokyo
BOS → NRT
Boston Toronto
BOS → YYZ
Boston Washington DC
BOS → DCA
Boston West Palm Beach
BOS → PBI
Boston Zurich
BOS → ZRH
More flights from St. Louis (STL)
55 routes
St. Louis Atlanta
STL → ATL
St. Louis Boston
STL → BOS
St. Louis Burlington IA
STL → BRL
St. Louis Cancun
STL → CUN
St. Louis Cape Girardeau
STL → CGI
St. Louis Charlotte
STL → CLT
St. Louis Chicago
STL → MDW
St. Louis Cincinnati
STL → CVG
St. Louis Cleveland
STL → CLE
St. Louis Columbus
STL → CMH
St. Louis Dallas
STL → DAL
St. Louis Decatur
STL → DEC
St. Louis Denver
STL → DEN
St. Louis Detroit
STL → DTW
St. Louis Fort Lauderdale
STL → FLL
St. Louis Fort Leonard Wood
STL → TBN
St. Louis Fort Myers
STL → RSW
St. Louis Fort Worth
STL → DFW
St. Louis Grand Rapids
STL → GRR
St. Louis Houston
STL → IAH
St. Louis Houston
STL → HOU
St. Louis Jonesboro
STL → JBR
St. Louis Kansas City
STL → MCI
St. Louis Kirksville
STL → IRK
St. Louis Las Vegas
STL → LAS
St. Louis Little Rock
STL → LIT
St. Louis Los Angeles
STL → LAX
St. Louis Marion
STL → MWA
St. Louis Miami
STL → MIA
St. Louis Milwaukee
STL → MKE
St. Louis Minneapolis
STL → MSP
St. Louis Montego Bay
STL → MBJ
St. Louis Nashville
STL → BNA
St. Louis New Orleans
STL → MSY
St. Louis New York
STL → JFK
St. Louis Oklahoma City
STL → OKC
St. Louis Omaha
STL → OMA
St. Louis Orlando
STL → MCO
St. Louis Owensboro
STL → OWB
St. Louis Philadelphia
STL → PHL
St. Louis Phoenix
STL → PHX
St. Louis Pittsburgh International Airport
STL → PIT
St. Louis Puerto Vallarta
STL → PVR
St. Louis Punta Cana
STL → PUJ
St. Louis Quincy
STL → UIN
St. Louis Raleigh
STL → RDU
St. Louis Salt Lake City
STL → SLC
St. Louis San Antonio
STL → SAT
St. Louis San Diego
STL → SAN
St. Louis San Francisco
STL → SFO
St. Louis Seattle
STL → SEA
St. Louis Tampa
STL → TPA
St. Louis Toronto
STL → YYZ
St. Louis Tulsa
STL → TUL
St. Louis Washington DC
STL → DCA
❓ Frequently asked questions — Boston to St. Louis flights

Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between Boston,USA (BOS) and St. Louis,USA (STL) is approximately 1680.59 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.