Route guide · 425 miles
Cheap Flights from Greenville to Baltimore
GSP → BWI · Nonstop 1h 22m · Live round-trip fares
Looking for cheap flights from Greenville to Baltimore? You're in the right place. Airfare Deal tracks live fares on this 425-mile route around the clock. As a rule of thumb, booking 2–4 weeks ahead lands the best prices — and a free fare alert means you never have to keep refreshing the page.
Live fares for GSP → BWI are updating. Use the search below for real-time prices.
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Updated daily
Flight time
1h 22m
Nonstop, typical
Distance
425 mi
GSP → BWI
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
1
Southwest Airlines
Nonstop flights from Greenville to Baltimore
Nonstop service links Greenville and Baltimore directly — flights are flown by Southwest Airlines. Expect roughly 1h 22m in the air. If a nonstop is what you want, don't wait too long: booking 2–4 weeks ahead is when these seats are priced most kindly.
Booking insights: Greenville → Baltimore
- Distance: 425 miles · nonstop flight time: 1h 22m.
- Rule of thumb for this route: the sweet spot is usually 2–4 weeks before departure.
- Tuesday and Wednesday departures usually undercut Friday and Sunday fares on routes like this one.
- Set a free Airfare Deal alert instead of checking daily — the best fares can sell out in hours.
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Flying from Greenville to Baltimore: what you need to know
The flight
Greenville to Baltimore is a short hop — 425 miles, about 1h 22m gate to gate on a nonstop. You'll spend almost as long taxiing and boarding as you will in the air, so the real time-saver on this route is picking flight times that dodge rush hour at both ends.
Airlines on this route
Southwest Airlines flies this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Greenville (GSP)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Greenville airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Baltimore (BWI)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Baltimore airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Baltimore to Greenville fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 425 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Screenshot your fare before you enquire — prices move, and a saved fare helps our team match or beat it.
- Flexible dates? Search a few days either side — one day can change the fare a lot.
- Morning flights are delayed less often than evening ones — earlier departures have the best on-time record.
- Basic economy fares often exclude checked bags and seat selection. Price the whole trip, not the headline fare.
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
Greenville to Baltimore flight FAQs
How long is the flight from GSP to BWI?
Plan on about 1h 22m in the air for a nonstop from Greenville to Baltimore — the route runs roughly 425 miles. Connecting flights typically add 2–4 hours.
Are there nonstop flights from Greenville to Baltimore?
Yes — look for Southwest Airlines on this route. Nonstop seats are usually priced best 2–4 weeks before departure.
What is the cheapest month to fly from Greenville to Baltimore?
Travelers usually find the gentlest prices away from peak periods — think post-holiday January and the early-fall weeks. Midweek dates inside those windows are cheaper still.
How much are last minute flights from GSP to BWI?
Book inside the final week and you'll usually pay a premium on GSP to BWI. Fares booked 2–4 weeks ahead are almost always kinder.
What is a good round-trip deal from Greenville to Baltimore?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Greenville to Baltimore?
The main carriers on this route are Southwest Airlines. Comparing all of them on the live search below usually surfaces the lowest fare for your dates.
How early should I get to Greenville airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
More cheap flights from Greenville
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