HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Green Bay

$239+ Cheap flights from Baltimore to Green Bay (BWI - GRB)

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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — GRB
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to Green Bay with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Baltimore to Green Bay

Cheapest flights from Baltimore to Green Bay
Explore the most affordable flight options available from Baltimore to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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 11/136:00 amBWI - GRB
1 stop6h 33mDelta
Mon 11/174:56 pmGRB - BWI
1 stop5h 04mDelta
Deal found 10/29$279
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/146:00 amBWI - GRB
1 stop4h 15mAmerican Airlines
Tue 11/1811:06 amGRB - BWI
2 stops9h 59mAmerican Airlines
Deal found 10/30$314
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/266:15 amBWI - GRB
1 stop4h 56mUnited Airlines
Sun 11/309:55 pmGRB - BWI
1 stop4h 28mUnited Airlines
Deal found 10/29$319
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 10/305:12 pmBWI - GRB
1 stop5h 26mUnited Airlines
Wed 11/53:51 pmGRB - BWI
1 stop4h 33mUnited Airlines
Deal found 10/29$354
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 10/306:13 pmBWI - GRB
1 stop6h 17mAmerican Airlines
Wed 11/56:00 amGRB - BWI
2 stops6h 51mAmerican Airlines
Deal found 10/29$359
This Delta deal was found by Cheapflights users on 10/30. 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 11/236:00 amBWI - GRB
1 stop6h 33mDelta
Sun 11/306:20 amGRB - BWI
1 stop27h 23mDelta
Deal found 10/30$424
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/196:15 amBWI - GRB
1 stop4h 54mUnited Airlines
Wed 12/313:42 pmGRB - BWI
1 stop4h 44mUnited Airlines
Deal found 10/30$433
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 12/216:15 amBWI - GRB
1 stop4h 54mUnited Airlines
Tue 12/303:42 pmGRB - BWI
1 stop4h 44mUnited Airlines
Deal found 10/30$439
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 12/236:15 amBWI - GRB
1 stop16h 21mUnited Airlines
Wed 12/313:42 pmGRB - BWI
1 stop4h 44mUnited Airlines
Deal found 10/30$455
This Delta deal was found by Cheapflights users on 10/30. 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.
Wed 11/56:00 amBWI - GRB
1 stop5h 26mDelta
Wed 11/124:56 pmGRB - BWI
1 stop5h 04mDelta
Deal found 10/30$464

Cheap flight deals from Baltimore to Green Bay

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Green Bay (GRB). 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(Delta)

One-way from

$239
(Delta)

Popular in

December

Cheapest in

March

Average price

$438
Provider with most accurate pricing for Baltimore/Washington-Green Bay Austin-Straubel flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Green Bay Austin-Straubel flights.
Search Deals
From Baltimore/Washington to Green Bay Austin-Straubel
Search Deals
One-way flight from Baltimore/Washington to Green Bay Austin-Straubel
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Green Bay 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 October 30, 2025.
Use the filters below to find and compare flights from Baltimore to Green Bay that are best for you.

Fly from

Baltimore

Fly to

Green Bay

Route

Depart

Return

Price

BaltimoreGreen Bay

BWI - GRB

BWIGRB

Baltimore/Washington

Thu 11/13

6:00 am-11:33 am

1 stop6h 33m

Green Bay Austin-Straubel

Mon 11/17

4:56 pm-11:00 pm

1 stop5h 04m

$279

BaltimoreGreen Bay

BWI - GRB

BWIGRB

Baltimore/Washington

Fri 11/14

6:15 am-10:11 am

1 stop4h 56m

Green Bay Austin-Straubel

Tue 11/18

3:51 pm-9:24 pm

1 stop4h 33m

$279

BaltimoreGreen Bay

BWI - GRB

BWIGRB

Baltimore/Washington

Fri 11/14

6:00 am-9:15 am

1 stop4h 15m

Green Bay Austin-Straubel

Tue 11/18

11:06 am-10:05 pm

2 stops9h 59m

$314

BaltimoreGreen Bay

BWI - GRB

BWIGRB

Baltimore/Washington

Sun 12/21

6:15 am-10:09 am

1 stop4h 54m

Green Bay Austin-Straubel

Wed 12/31

10:44 am-4:58 pm

1 stop5h 14m

$319

BaltimoreGreen Bay

BWI - GRB

BWIGRB

Baltimore/Washington

Mon 12/22

5:19 pm-9:36 pm

1 stop5h 17m

Green Bay Austin-Straubel

Wed 12/31

3:42 pm-9:26 pm

1 stop4h 44m

$319

BaltimoreGreen Bay

BWI - GRB

BWIGRB

Baltimore/Washington

Wed 11/26

6:15 am-10:11 am

1 stop4h 56m

Green Bay Austin-Straubel

Sun 11/30

9:55 pm-3:23 am

1 stop4h 28m

$319

BaltimoreGreen Bay

BWI - GRB

BWIGRB

Baltimore/Washington

Mon 11/24

6:21 pm-10:33 pm

1 stop5h 12m

Green Bay Austin-Straubel

Sun 11/30

6:20 am-10:43 am

1 stop27h 23m

$424

BaltimoreGreen Bay

BWI - GRB

BWIGRB

Baltimore/Washington

Fri 12/19

6:15 am-10:09 am

1 stop4h 54m

Green Bay Austin-Straubel

Wed 12/31

3:42 pm-9:26 pm

1 stop4h 44m

$433

BaltimoreGreen Bay

BWI - GRB

BWIGRB

Baltimore/Washington

Thu 12/25

5:19 pm-9:36 pm

1 stop5h 17m

Green Bay Austin-Straubel

Tue 12/30

3:42 pm-9:26 pm

1 stop4h 44m

$433

BaltimoreGreen Bay

BWI - GRB

BWIGRB

Baltimore/Washington

Sat 12/20

10:44 am-4:47 pm

1 stop7h 03m

Green Bay Austin-Straubel

Wed 12/31

10:44 am-4:58 pm

1 stop5h 14m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Baltimore to Green Bay

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Green Bay in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Green Bay flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Green Bay flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Baltimore-Green Bay flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Green Bay flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Green Bay flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Green Bay

Have a flexible travel schedule? Discover the best time to fly to Green Bay from Baltimore 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 Baltimore to Green Bay

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

Currently, March is the cheapest month in which you can book a flight from Baltimore to Green Bay (average of $131). Flying from Baltimore to Green Bay in April is currently the most expensive (average of $275). 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.

What is the cheapest time of day to fly from BWI to GRB?

Find hourly flight availability from Baltimore to Green Bay. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 40% on flights from Baltimore to Green Bay by exploring options for tickets in the afternoon.

Reviews of airlines servicing Green Bay

Get insights into the airlines that provide service to Green Bay. 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 Green Bay. Reviews last updated October 30, 2025.
Read through reviews of airlines operating flights from Baltimore to Green Bay, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Green Bay. 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 Baltimore to Green Bay?

    Departing from Baltimore to Green Bay will take you 4h 15m. The distance between Baltimore and Green Bay is about 693 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $232, Delta will fly you from Baltimore to Green Bay and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $248 and $248, respectively. These flights start at 43% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Baltimore to Green Bay one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $239. Users have also found prices from $319 and $370 on United Airlines and American Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Baltimore to Green Bay 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 Baltimore to Green Bay?

    Currently, March is the cheapest month in which you can book a flight from Baltimore to Green Bay (average of $131). Flying from Baltimore to Green Bay in April is currently the most expensive (average of $275). 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

Traveling to a place near Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
Manitowoc

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Baltimore to Green Bay

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to O'Hare Intl flights
Baltimore to O'Hare Intl flights
Dulles Intl to O'Hare Intl flights
Philadelphia to O'Hare Intl flights
Dulles Intl to Minneapolis flights
Reagan-National to Minneapolis flights
Baltimore to Minneapolis flights
Philadelphia to Minneapolis flights
Baltimore to Milwaukee flights
Dulles Intl to Milwaukee flights
Philadelphia to Milwaukee flights
Reagan-National to Milwaukee flights
Dulles Intl to Madison flights
Reagan-National to Madison flights
Baltimore to Madison flights
Philadelphia to Madison flights
Baltimore to Appleton flights
Reagan-National to Appleton flights
Dulles Intl to Appleton flights
Dulles Intl to Green Bay flights
Philadelphia to Green Bay flights
Reagan-National to Green Bay flights
Reagan-National to Duluth flights
Dulles Intl to Duluth flights
Baltimore to Duluth flights
Philadelphia to Appleton flights
Philadelphia to Duluth flights
Philadelphia to Wausau flights
Reagan-National to Eau Claire flights
Dulles Intl to Eau Claire flights
Baltimore to Eau Claire flights
Baltimore to Wausau flights
Dulles Intl to Wausau flights
Dulles Intl to La Crosse flights
Baltimore to La Crosse flights
Reagan-National to La Crosse flights
Reagan-National to Wausau flights
Salisbury to O'Hare Intl flights
Dulles Intl to Escanaba flights
Reagan-National to Escanaba flights
Dulles Intl to Rhinelander flights
Philadelphia to La Crosse flights
Baltimore to Rhinelander flights
Salisbury to Minneapolis flights
Dulles Intl to Dubuque flights
Reagan-National to Rhinelander flights
Reagan-National to Dubuque flights
Baltimore to Escanaba flights
Baltimore to Dubuque flights

Top 3 airlines flying from Baltimore to Green Bay

Discover the top 3 airlines that operate flights from Baltimore to Green Bay. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$232Average$352FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$363FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$520FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.