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$165+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BWI
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$259
(United Airlines)

One-way from

$165
(United Airlines)

Popular in

July

Cheapest in

May

Average price

$348
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. 16% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/14. 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 8/291:22 pmGRB - BWI
1 stop7h 20mUnited Airlines
Tue 9/26:15 amBWI - GRB
1 stop4h 50mUnited Airlines
Deal found 8/14$259
This Delta deal was found by Cheapflights users on 8/13. 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 9/264:13 pmGRB - BWI
1 stop6h 36mDelta
Sun 9/286:15 amBWI - GRB
1 stop6h 08mDelta
Deal found 8/13$274
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/59:48 amGRB - BWI
1 stop7h 02mAmerican Airlines
Sun 9/76:00 amBWI - GRB
1 stop4h 18mAmerican Airlines
Deal found 8/14$294
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:15 amGRB - BWI
1 stop6h 33mUnited Airlines
Sun 8/246:15 amBWI - GRB
1 stop4h 50mUnited Airlines
Deal found 8/13$309
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/308:00 amGRB - BWI
1 stop4h 48mUnited Airlines
Wed 9/310:51 amBWI - GRB
1 stop6h 59mUnited Airlines
Deal found 8/13$324
This United Airlines deal was found by Cheapflights users on 8/14. 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 8/293:45 pmGRB - BWI
1 stop4h 57mUnited Airlines
Mon 9/16:15 amBWI - GRB
1 stop4h 50mUnited Airlines
Deal found 8/14$329
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:15 amGRB - BWI
1 stop6h 33mUnited Airlines
Sat 8/305:30 pmBWI - GRB
1 stop5h 13mUnited Airlines
Deal found 8/13$354
This Delta deal was found by Cheapflights users on 8/13. 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.
Sun 8/315:31 amGRB - BWI
1 stop5h 59mDelta
Fri 9/57:29 pmBWI - GRB
1 stop4h 53mDelta
Deal found 8/13$364
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/264:39 pmGRB - BWI
2 stops16h 34mAmerican Airlines
Sun 9/286:00 amBWI - GRB
1 stop4h 18mAmerican Airlines
Deal found 8/13$377
This American Airlines deal was found by Cheapflights users on 8/14. 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 8/293:01 pmGRB - BWI
2 stops6h 10mAmerican Airlines
Tue 9/26:00 amBWI - GRB
1 stop4h 12mAmerican Airlines
Deal found 8/14$387
This Delta deal was found by Cheapflights users on 8/13. 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 8/285:31 amGRB - BWI
1 stop5h 59mDelta
Mon 9/16:15 amBWI - GRB
1 stop6h 11mDelta
Deal found 8/13$389

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 August 14, 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

Fri 8/29

1:22 pm-9:42 pm

1 stop7h 20m

Baltimore/Washington

Tue 9/2

6:15 am-10:05 am

1 stop4h 50m

$259

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Fri 9/26

4:13 pm-11:49 pm

1 stop6h 36m

Baltimore/Washington

Sun 9/28

6:15 am-11:23 am

1 stop6h 08m

$274

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Fri 9/5

9:48 am-5:50 pm

1 stop7h 02m

Baltimore/Washington

Sun 9/7

6:00 am-9:18 am

1 stop4h 18m

$294

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Sat 8/30

8:00 am-1:48 pm

1 stop4h 48m

Baltimore/Washington

Wed 9/3

10:51 am-4:50 pm

1 stop6h 59m

$324

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Thu 8/28

6:15 am-1:48 pm

1 stop6h 33m

Baltimore/Washington

Mon 9/1

6:15 am-10:05 am

1 stop4h 50m

$329

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Fri 8/29

3:45 pm-9:42 pm

1 stop4h 57m

Baltimore/Washington

Mon 9/1

6:15 am-12:44 pm

1 stop7h 29m

$329

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Sun 8/31

5:31 am-12:30 pm

1 stop5h 59m

Baltimore/Washington

Fri 9/5

7:29 pm-11:22 pm

1 stop4h 53m

$364

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Fri 9/26

4:39 pm-10:13 am

2 stops16h 34m

Baltimore/Washington

Sun 9/28

6:00 am-9:18 am

1 stop4h 18m

$377

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Fri 8/29

3:01 pm-10:11 pm

2 stops6h 10m

Baltimore/Washington

Tue 9/2

6:00 am-9:12 am

1 stop4h 12m

$387

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Thu 8/28

5:31 am-12:30 pm

1 stop5h 59m

Baltimore/Washington

Mon 9/1

6:15 am-11:26 am

1 stop6h 11m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 18 results
1
2

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.

How much does it cost to fly round-trip from Green Bay to Baltimore?

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 August 14, 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
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

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.

  • 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 37% 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$223Average$319FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$389FlexibilityNo cancel feeOn-time69%

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