HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Baltimore

$249+ Cheap flights from Green Bay to Baltimore (GRB - BWI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BWI
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Green Bay to Baltimore 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 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 October 16, 2025.

This Delta deal was found by Cheapflights users on 10/16. 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.
Tue 12/25:15 amGRB - BWI
1 stop4h 59mDelta
Sun 12/76:00 amBWI - GRB
1 stop5h 31mDelta
Deal found 10/16$249
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/311:20 pmGRB - BWI
1 stop7h 04mUnited Airlines
Tue 11/46:15 amBWI - GRB
1 stop4h 56mUnited Airlines
Deal found 10/16$259
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sat 10/183:45 pmGRB - BWI
1 stop4h 37mUnited Airlines
Sun 10/196:29 amBWI - GRB
1 stop4h 36mUnited Airlines
Deal found 10/14$339
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:19 amGRB - BWI
1 stop6h 27mDelta
Tue 12/24:49 pmBWI - GRB
1 stop6h 48mDelta
Deal found 10/15$344
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:19 amGRB - BWI
1 stop6h 27mDelta
Mon 12/16:21 pmBWI - GRB
1 stop5h 12mDelta
Deal found 10/15$349
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/299:55 pmGRB - BWI
1 stop4h 29mUnited Airlines
Tue 12/25:18 pmBWI - GRB
1 stop5h 14mUnited Airlines
Deal found 10/15$363
This American Airlines deal was found by Cheapflights users on 10/16. 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 10/316:01 amGRB - BWI
1 stop4h 19mAmerican Airlines
Tue 11/48:00 amBWI - GRB
2 stops7h 16mAmerican Airlines
Deal found 10/16$387
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/289:49 amGRB - BWI
1 stop5h 29mAmerican Airlines
Tue 12/22:46 pmBWI - GRB
2 stops8h 05mAmerican Airlines
Deal found 10/15$444
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/289:49 amGRB - BWI
1 stop5h 29mAmerican Airlines
Mon 12/14:48 pmBWI - GRB
1 stop6h 03mAmerican Airlines
Deal found 10/15$502
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Mon 11/37:52 pmGRB - BWI
1 stop14h 30mAmerican Airlines
Thu 11/66:00 amBWI - GRB
1 stop4h 15mAmerican Airlines
Deal found 10/16$773

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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Delta)

Popular in

November

Cheapest in

May

Average price

$340
Provider with most accurate pricing for Green Bay Austin-Straubel-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Baltimore/Washington flights.
Search Deals
From Green Bay Austin-Straubel to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($42 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 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 October 16, 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

Tue 12/2

5:15 am-11:14 am

1 stop4h 59m

Baltimore/Washington

Sun 12/7

6:00 am-10:31 am

1 stop5h 31m

$249

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Sat 4/11

5:25 pm-10:59 pm

1 stop4h 34m

Baltimore/Washington

Tue 4/14

6:19 am-11:09 am

1 stop5h 50m

$249

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Fri 10/31

1:20 pm-9:24 pm

1 stop7h 04m

Baltimore/Washington

Tue 11/4

6:15 am-10:11 am

1 stop4h 56m

$259

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

$324

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Thu 4/9

5:25 pm-10:59 pm

1 stop4h 34m

Baltimore/Washington

Mon 4/13

6:19 am-11:09 am

1 stop5h 50m

$344

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Fri 11/28

5:19 am-12:46 pm

1 stop6h 27m

Baltimore/Washington

Mon 12/1

6:21 pm-10:33 pm

1 stop5h 12m

$349

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Sat 11/29

9:55 pm-3:24 am

1 stop4h 29m

Baltimore/Washington

Tue 12/2

5:18 pm-9:32 pm

1 stop5h 14m

$363

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Thu 10/23

6:15 am-2:08 pm

1 stop6h 53m

$375

Green BayBaltimore

GRB - BWI

GRBBWI

Green Bay Austin-Straubel

Mon 11/3

7:52 pm-11:22 am

1 stop14h 30m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 14 results
1
2

Compare providers for flights from Green Bay to Baltimore

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 Green Bay to Baltimore in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 Green Bay-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-Baltimore flights, Cheapflights users trust FlightHub the most. FlightHub 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 Green Bay-Baltimore 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 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, December is the cheapest month in which you can book a flight from Green Bay to Baltimore (average of $186). Flying from Green Bay to Baltimore in March is currently the most expensive (average of $253). 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 October 16, 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
7,984 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

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
8.0
Very good
7,984 reviews
Delta
8.0
Very good
7,984 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

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
8,982 reviews
Delta
8.0
Very good
7,984 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

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 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 can get you from Green Bay to Baltimore in just under 4h 34m. Your travel time can differ by up to . Airlines will cover a distance of 693 mi.

  • 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 45% 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, December is the cheapest month in which you can book a flight from Green Bay to Baltimore (average of $186). Flying from Green Bay to Baltimore in March is currently the most expensive (average of $253). 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

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 Green Bay to Baltimore

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

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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$223Average$314FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$428FlexibilityNo cancel feeOn-time69%

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.