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$214+ Cheap flights from Green Bay to Baltimore (GRB - BWI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BWI
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Green Bay to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Baltimore (BWI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$249
(Delta)

One-way from

$214
(United Airlines)

Popular in

July

Cheapest in

May

Average price

$338
From Green Bay Austin-Straubel to Baltimore/Washington
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One-way flight from Green Bay Austin-Straubel to Baltimore/Washington
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Highest demand for flights based on searches. 22% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Green Bay to Baltimore

Cheapest flights from Green Bay to Baltimore
Explore the most affordable flight options available from Green Bay to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/54:53 pmGRB - BWI
1 stop5h 09mDelta
Tue 12/94:49 pmBWI - GRB
1 stop6h 49mDelta
Deal found 9/14$249
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:39 pmGRB - BWI
1 stop5h 22mAmerican Airlines
Sun 10/56:00 amBWI - GRB
1 stop4h 18mAmerican Airlines
Deal found 9/15$299
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:20 pmGRB - BWI
1 stop4h 42mDelta
Sat 10/184:44 pmBWI - GRB
1 stop7h 08mDelta
Deal found 9/13$304
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:40 pmGRB - BWI
1 stop5h 42mUnited Airlines
Mon 9/296:54 pmBWI - GRB
1 stop4h 46mUnited Airlines
Deal found 9/14$315
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:00 amGRB - BWI
1 stop4h 22mAmerican Airlines
Mon 12/155:16 pmBWI - GRB
1 stop4h 13mAmerican Airlines
Deal found 9/14$339
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:20 pmGRB - BWI
1 stop7h 04mUnited Airlines
Sat 11/155:12 pmBWI - GRB
1 stop5h 26mUnited Airlines
Deal found 9/14$343
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/264:39 pmGRB - BWI
1 stop5h 22mAmerican Airlines
Sun 9/286:00 amBWI - GRB
1 stop4h 18mAmerican Airlines
Deal found 9/14$382
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:20 pmGRB - BWI
1 stop4h 42mDelta
Tue 11/46:22 pmBWI - GRB
1 stop5h 30mDelta
Deal found 9/14$398
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:15 amGRB - BWI
1 stop6h 32mDelta
Mon 12/154:49 pmBWI - GRB
1 stop6h 49mDelta
Deal found 9/13$408

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to Baltimore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Green Bay to Baltimore that are best for you.

Fly from

Green Bay

Fly to

Baltimore

Route

Depart

Return

Price

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Wed 2/18

5:25 pm-10:59 pm

1 stop4h 34m

Baltimore/Washington

Sat 2/21

6:00 am-10:30 am

1 stop5h 30m

$249

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Fri 12/5

9:43 am-4:46 pm

1 stop6h 03m

Baltimore/Washington

Tue 12/9

11:09 am-7:28 pm

2 stops9h 19m

$299

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Fri 10/3

4:39 pm-11:01 pm

1 stop5h 22m

Baltimore/Washington

Sun 10/5

6:00 am-9:18 am

1 stop4h 18m

$299

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Fri 10/17

5:20 pm-11:02 pm

1 stop4h 42m

Baltimore/Washington

Sat 10/18

4:44 pm-10:52 pm

1 stop7h 08m

$304

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Fri 9/26

2:40 pm-9:22 pm

1 stop5h 42m

Baltimore/Washington

Mon 9/29

6:54 pm-10:40 pm

1 stop4h 46m

$315

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Mon 11/10

1:20 pm-9:24 pm

1 stop7h 04m

Baltimore/Washington

Sat 11/15

5:12 pm-9:38 pm

1 stop5h 26m

$343

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Fri 12/12

2:59 pm-11:33 pm

2 stops7h 34m

Baltimore/Washington

Mon 12/15

7:29 pm-11:30 pm

1 stop5h 01m

$344

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Wed 2/18

11:25 am-5:38 pm

1 stop5h 13m

Baltimore/Washington

Sat 2/21

8:57 am-5:39 pm

2 stops9h 42m

$368

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Sun 10/26

9:44 am-5:33 pm

1 stop6h 49m

Baltimore/Washington

Tue 11/4

8:00 am-2:16 pm

2 stops7h 16m

$382

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Tue 10/21

6:15 am-2:08 pm

1 stop6h 53m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 19 results
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Best time to book a flight from Green Bay to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Green Bay with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Green Bay to Baltimore

What is the cheapest month to book a flight from Green Bay to Baltimore?

Currently, August is the cheapest month in which you can book a flight from Green Bay to Baltimore (average of $241). Flying from Green Bay to Baltimore in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Baltimore. Reviews last updated September 15, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Green Bay to Baltimore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Green Bay to Baltimore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Green Bay to Baltimore?

    Delta and American Airlines can get you from Green Bay to Baltimore in just under 4h 34m. Your travel time can differ by up to 1h 29m. Airlines will cover a distance of 693 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Green Bay to Baltimore round-trip?

    Currently priced at $223, Delta will fly you from Green Bay to Baltimore and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $258. Delta is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Green Bay to Baltimore that include hotel bookings?

    Yes. In addition to deals on Green Bay to Baltimore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Green Bay to Baltimore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to Baltimore.

  • Can I find deals for business class flights from Green Bay to Baltimore?

    Yes. Cheapflights offers flight deals from Green Bay to Baltimore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Green Bay to Baltimore?

    Currently, August is the cheapest month in which you can book a flight from Green Bay to Baltimore (average of $241). Flying from Green Bay to Baltimore in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Green Bay to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Green Bay to Baltimore

Discover the top 2 airlines that operate flights from Green Bay to Baltimore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$223Average$308FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$389FlexibilityNo cancel feeOn-time69%

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