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Oxygen Concentrator Inc - Denver, CO
Airport guide · Missouri

Flying with oxygen from St. Louis Lambert International (STL)

St. Louis Lambert International Airport is the No. 34 airport in the U.S. by passenger boardings (FAA, 2024), serving St. Louis and nearby St. Charles, Clayton and Florissant. Here’s how to get through the airport and onto your flight with a portable oxygen concentrator.

Call 855.939.2110Flying with oxygen guide

Airlines at STL

Tap an airline to see its portable oxygen concentrator rules.

Southwest AirlinesAdd your POC to the reservation, then see an agent at the airport. Window seat required.Delta Air LinesRequest approval 48 hours ahead (72 international) and send a physician’s statement.American AirlinesPhysician’s consent form plus a gate check of your device and batteries.United AirlinesCall 48 hours ahead and bring United’s printed POC form.Frontier AirlinesBring Frontier’s POC authorization form. POCs don’t count as your personal item.Alaska Airlines48 hours’ notice recommended; 150% battery plus ground time. Also covers Hawaiian Airlines.Sun Country AirlinesTell Sun Country 48 hours ahead and check in 1 hour early for a device check.

Lufthansa, British Airways, Air Canada and Southern Airways Express also fly here. Check their oxygen rules directly before you book.

Airline list reviewed October 2026. Routes change often, so check St. Louis Lambert International’s website for current flights.

Airport day tips

Start fully chargedSecurity lines and gate waits use battery too. Many airlines want 150% of your flight time covered, so arrive with every battery full.
Screening at TSATell the officer you have a portable oxygen concentrator. If you can’t disconnect from it, say so and they’ll screen you another way. TSA Cares (855-787-2227) can help if you call 72 hours ahead.
Ask for assistanceNeed a wheelchair or help getting to the gate? Request it through your airline when you book. It’s free.
Check in with an agentMany airlines verify your POC, paperwork and batteries at the counter or gate, so leave a little extra time.

FAA-approved concentrators for flying

Every portable concentrator below is FAA approved for use on U.S. flights.

Inogen Rove 6Pulse dose · 4.8 lbUp to 6 hr 15 min batteryLearn more →Inogen One Rove 4Pulse dose · 2.9 lbUp to 4.5 hr batteryLearn more →Inogen One G5Pulse dose · 4.8 lbUp to 6.5 hr batteryLearn more →CAIRE FreeStyle ComfortPulse dose · 5 lbUp to 8 hr battery (16-cell)Learn more →

Only need oxygen for one trip? We also offer short- and long-term portable concentrator rentals. See oxygen rentals →

Other Missouri airports

Kansas City International (MCI)Kansas City

Flying from STL?

Call us to find an FAA-approved concentrator with the battery life your flight needs.

Call 855.939.2110Shop portable concentrators