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$870+ Cheap flights from Nantucket to Baltimore (ACK - 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
ACK — BWI
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Nantucket to Baltimore

Cheapest flights from Nantucket to Baltimore
Explore the most affordable flight options available from Nantucket to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 7/244:15 pm
ACK
-
BWI
3 stops21h 42m
United Airlines
Mon 7/277:10 pm
BWI
-
ACK
2 stops20h 18m
United Airlines
Deal found 1/26$870
This United Airlines deal was found by Cheapflights users on 1/27. 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 7/104:15 pm
ACK
-
BWI
2 stops21h 42m
United Airlines
Mon 7/137:10 pm
BWI
-
ACK
2 stops20h 18m
United Airlines
Deal found 1/27$1,052

Find flight deals from Nantucket to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Nantucket (ACK) 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$870
(United Airlines)

Popular in

November

Cheapest in

March

Average price

$192
Provider with most accurate pricing for Nantucket Memorial-Baltimore/Washington flight deals.
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Provider most trusted by Cheapflights users for Nantucket Memorial-Baltimore/Washington flights.
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From Nantucket Memorial to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Nantucket 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 January 29, 2026.
Use the filters below to find and compare flights from Nantucket to Baltimore that are best for you.

Fly from

Nantucket

Fly to

Baltimore

Route

Depart

Return

Price

NantucketBaltimore

ACK - BWI

ACKBWI

Nantucket Memorial

Fri 7/24

4:15 pm-1:57 pm

3 stops21h 42m

Baltimore/Washington

Mon 7/27

7:10 pm-3:28 pm

2 stops20h 18m

$870

NantucketBaltimore

ACK - BWI

ACKBWI

Nantucket Memorial

Fri 7/10

4:15 pm-1:57 pm

2 stops21h 42m

Baltimore/Washington

Mon 7/13

7:10 pm-3:28 pm

2 stops20h 18m

$1,052

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

  • Most accurate provider: When it comes to deals on Nantucket-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Nantucket-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Nantucket-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Nantucket-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 Nantucket-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 Nantucket to Baltimore

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

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

Currently, March is the cheapest month in which you can book a flight from Nantucket to Baltimore (average of $47). Flying from Nantucket to Baltimore in October is currently the most expensive (average of $137). 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.

Related info for your journey

Find useful and relevant information for your journey from Nantucket 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 Nantucket to Baltimore?

    A quick flight from Nantucket to Baltimore can take about 21h 42m. United Airlines provides one of the quickest options available for as low as $870. Nantucket and Baltimore are separated by a distance of 377 mi.

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

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

  • How can I find direct flights from Nantucket to Baltimore?

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

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

    Yes. Cheapflights offers flight deals from Nantucket 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 Nantucket to Baltimore?

    Currently, March is the cheapest month in which you can book a flight from Nantucket to Baltimore (average of $47). Flying from Nantucket to Baltimore in October is currently the most expensive (average of $137). 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.

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