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Find cheap Southwest flights to Baltimore

RDU — BWI
ago. 26 — sep. 21
mié. 8/26
mié. 9/2
1 adult, Economy
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Find Southwest flight deals to Baltimore

Cheapest Southwest flights from USA to Baltimore
Explore the most affordable Southwest flight options available from USA to Baltimore. Find the lowest fares with prices last updated on julio 27, 2026.

This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/268:00 am
ATL
-
BWI
Nonstop1h 50m
Southwest
mié. 9/211:20 am
BWI
-
ATL
Nonstop1h 55m
Southwest
Deal found 7/27$157
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/218:55 pm
BOS
-
BWI
Nonstop1h 40m
Southwest
lun. 8/246:30 am
BWI
-
BOS
Nonstop1h 30m
Southwest
Deal found 7/27$158
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/227:50 am
ATL
-
BWI
Nonstop1h 50m
Southwest
lun. 8/246:35 am
BWI
-
ATL
Nonstop1h 55m
Southwest
Deal found 7/23$167

Flights to Baltimore with Southwest at a glance

Find detailed information about Southwest flights from USA to Baltimore. Explore the options provided by Southwest to plan your journey from USA to Baltimore. Data last updated julio 27, 2026.

Popular in

June

Cheapest in

September

Average price

$382

Round-trip from

$157

One-way from

$76
Highest demand for flights to Baltimore with Southwest; 9% potential price increase.
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Best time to find cheap flights to Baltimore with Southwest; 1% potential price drop.
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Average price for flights to Baltimore with Southwest (round-trip).
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Southwest
  • Southwest
  • 8/26-9/2
  • Nonstop
  • 3h 45m total
  • USA to Baltimore
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Southwest
  • Southwest
  • 8/22
  • Nonstop
  • 1h 40m total
  • USA to Baltimore
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Cheapflights Insights

Find cheap Southwest flights to Baltimore

How long is the flight to Baltimore with Southwest?

On average, Southwest flights from the United States to Baltimore take 3 hours 0 minutes. Flights to Baltimore from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

Southwest weekly flight availability to Baltimore

The most flights to Baltimore operated by Southwest are scheduled on a Monday (215 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (190 on average).

When is the best time to book a flight to Baltimore with Southwest?

The best time to book a flight to Baltimore with Southwest is 66 days before departure. On average, fares are higher if you book on the same day as departure.

When is the cheapest time to fly to Baltimore with Southwest?

Users looking for the cheapest Southwest fares to Baltimore should consider flying on Wednesday at noon, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday at noon, when prices are usually at their highest.

FAQs about flights to Baltimore with Southwest

  • Which airport do Southwest flights arrive at when travelling to Baltimore?

    Southwest flights on this route tend to land at Baltimore/Washington Airport.

  • Is Southwest the cheapest airline for a flight to Baltimore?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to Baltimore tends to be with Allegiant Air.

  • Are there alternative airlines other than Southwest that fly to Baltimore?

    Frontier, Spirit Airlines and United Airlines all fly to Baltimore and offer an alternative to Southwest.

  • How much is a flight to Baltimore with Southwest?

    The average price for a return flight with Southwest is $414; with a one-way flight around $270.

See more FAQs

Reviews of Southwest

See what Cheapflights users have to say about their Southwest experience.
Southwest
8.0
Very good
4,229 reviews
Overview

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Popular Southwest flights

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Other airports near Baltimore/Washington

Other Baltimore travelers fly to these airports near Baltimore/Washington.
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