Cheap Flights to Baltimore County from ₩141,900

View ₩141,900 flight on Tue, Mar 24, 2026Opens in a new window

Popular airlines to Baltimore County

  • Delta

  • American Airlines

  • Frontier Airlines

  • Spirit Airlines

  • Southwest Airlines

  • United

  • Alaska Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Baltimore County?

Prices were available within the past 7 days and start at ₩141,900 for one-way flights and ₩342,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Apr 12 - Thu, Apr 16
SEA
Seattle
BWI
Baltimore
₩342,600 Roundtrip, found 4 days ago
₩342,600
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Apr 12 from Seattle to Baltimore, returning Thu, Apr 16, priced at ₩342,600 found 4 days ago
Delta
Tue, Jun 2 - Tue, Jun 9
SEA
Seattle
BWI
Baltimore
₩401,600 Roundtrip, found 1 day ago
₩401,600
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 2 from Seattle to Baltimore, returning Tue, Jun 9, priced at ₩401,600 found 1 day ago
American Airlines
Sun, Apr 12 - Thu, Apr 16
SEA
Seattle
BWI
Baltimore
₩429,000 Roundtrip, found 4 days ago
₩429,000
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Apr 12 from Seattle to Baltimore, returning Thu, Apr 16, priced at ₩429,000 found 4 days ago
Delta
Tue, Jun 2 - Tue, Jun 9
SEA
Seattle
BWI
Baltimore
₩431,900 Roundtrip, found 1 day ago
₩431,900
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 2 from Seattle to Baltimore, returning Tue, Jun 9, priced at ₩431,900 found 1 day ago
Delta
Sun, Apr 12 - Thu, Apr 16
SEA
Seattle
BWI
Baltimore
₩443,300 Roundtrip, found 4 days ago
₩443,300
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Apr 12 from Seattle to Baltimore, returning Thu, Apr 16, priced at ₩443,300 found 4 days ago
Delta
Tue, Jun 2 - Tue, Jun 9
SEA
Seattle
BWI
Baltimore
₩444,900 Roundtrip, found 1 day ago
₩444,900
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 2 from Seattle to Baltimore, returning Tue, Jun 9, priced at ₩444,900 found 1 day ago
Delta
Tue, Jun 2 - Tue, Jun 9
SEA
Seattle
BWI
Baltimore
₩457,900 Roundtrip, found 1 day ago
₩457,900
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 2 from Seattle to Baltimore, returning Tue, Jun 9, priced at ₩457,900 found 1 day ago
United
Tue, Mar 24 - Tue, Apr 7
BHM
Birmingham
BWI
Baltimore
₩475,800 Roundtrip, found 9 hours ago
₩475,800
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Mar 24 from Birmingham to Baltimore, returning Tue, Apr 7, priced at ₩475,800 found 9 hours ago
Hawaiian Airlines
Mon, Mar 9 - Fri, Mar 13
SEA
Seattle
BWI
Baltimore
₩781,500 Roundtrip, found 3 days ago
₩781,500
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Mon, Mar 9 from Seattle to Baltimore, returning Fri, Mar 13, priced at ₩781,500 found 3 days ago
Korean Air
Wed, Apr 1 - Wed, Apr 29
ICN
Seoul
BWI
Baltimore
₩994,600 Roundtrip, found 3 hours ago
₩994,600
Roundtrip
found 3 hours ago
Select Korean Air flight, departing Wed, Apr 1 from Seoul to Baltimore, returning Wed, Apr 29, priced at ₩994,600 found 3 hours ago

Trending flights to Baltimore County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Mar 3 - Tue, Apr 14
ICN
Seoul
BWI
Baltimore
₩716,300 Roundtrip, found 18 hours ago
₩716,300
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Mar 3 from Seoul to Baltimore, returning Tue, Apr 14, priced at ₩716,300 found 18 hours ago

Frequently asked questions

How do I find cheap flights to Baltimore County that have flexible change policies?
It's as easy as 1-2-3 with Expedia. Step 1: Enter your preferred travel dates and press "Search." Second step: Check the "No change fee" box just below the "Flexible change policies" heading to the left of the screen. Step 3. Score a flexible and cheap ticket to Baltimore County.
Which airlines fly to Baltimore County?
Book a seat with one of these airlines and exciting Baltimore County will be yours to discover:

  • Southwest Airlines - 4,805 flights to or near Baltimore County each month, including 4,805 flights to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) per month.
  • Delta Air Lines - 619 flights to or near Baltimore County each month, including 619 flights to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) per month.
  • Spirit Airlines - 499 flights to or near Baltimore County each month, including 499 flights to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) per month.

How can I find cheap tickets to Baltimore County?
To get your hands on a great deal to Baltimore County, book well ahead. Also consider using Expedia's handy "flexible dates" link above your search results. This will list prices for similar time frames. In the last seven days, ₩342,600 was the lowest price for a flight to Baltimore County.
How much is a flight to Baltimore County?
In the last seven days, round-trip flights to Baltimore County sold from just ₩342,600 and peaked at ₩994,600. For one-way fares taking off from Seattle (SEA), the lowest amount paid during this time was ₩141,900.
What are the most popular airports to fly into in Baltimore County?
Book your flight to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) and sample everything that Baltimore County has to offer. As the region's main entry point, approximately 6,986 flights land here each month.
When is the cheapest time to fly to Baltimore County?
Departing on a Tuesday, followed by a Monday, is generally the best way to secure the cheapest flight. Steer clear of weekends if you can, because Saturday is typically the costliest day. Spend the money you saved having a blast in Baltimore County instead!
How much is a plane ticket to Baltimore County?
Plane tickets to Baltimore County ranged from ₩342,600 to ₩994,600 in the last seven days. Typically, the sooner you book the bigger the bargain.
What is the best time to go to Baltimore County?
If you want to explore Baltimore County's major city at its busiest, visit Baltimore sometime in April, May and July. Like most locations in the Northern Hemisphere, summer here starts June 20, with temperatures ranging between 70ºF and 85ºF.
What months are the cheapest to book a flight to Baltimore County?
February is a cheap month to purchase a seat for your Baltimore County getaway. Fares are priciest during the month of December, so avoid this time if you can.

Book with confidence

About Baltimore County

Expedia offers flights to Baltimore County to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Baltimore County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Baltimore County

Explore a world of travel with Expedia

*Available to Expedia members.