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$785+ Cheap flights from Baltimore to Nantucket (BWI - ACK)

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ACK
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Cheap flight deals from Baltimore to Nantucket

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Nantucket (ACK). 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 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$785
(Mytrip)

Popular in

October

Cheapest in

January

Average price

$258
Provider with most accurate pricing for Baltimore/Washington-Nantucket Memorial flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Nantucket Memorial flights.
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From Baltimore/Washington to Nantucket Memorial
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Highest demand for flights based on searches. 4% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Baltimore to Nantucket

Cheapest flights from Baltimore to Nantucket
Explore the most affordable flight options available from Baltimore to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This Mytrip deal was found by Cheapflights users on 10/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:30 amBWI - ACK
3 stops24h 11mMultiple Airlines
Sun 11/234:54 pmACK - BWI
2 stops30h 23mMultiple Airlines
Deal found 10/20$785
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:17 pmBWI - ACK
3 stops35h 24mMultiple Airlines
Fri 10/318:25 amACK - BWI
2 stops14h 11mMultiple Airlines
Deal found 10/21$867
This Mytrip deal was found by Cheapflights users on 10/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:43 amBWI - ACK
3 stops29h 16mMultiple Airlines
Thu 11/134:38 pmACK - BWI
3 stops30h 07mMultiple Airlines
Deal found 10/20$915
This Mytrip deal was found by Cheapflights users on 10/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:20 amBWI - ACK
2 stops28h 25mMultiple Airlines
Sat 11/811:05 amACK - BWI
3 stops23h 19mMultiple Airlines
Deal found 10/20$920
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:53 amBWI - ACK
3 stops24h 48mMultiple Airlines
Sun 11/26:41 pmACK - BWI
3 stops28h 04mMultiple Airlines
Deal found 10/21$942
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/284:00 pmBWI - ACK
3 stops24h 59mMultiple Airlines
Sat 11/15:25 pmACK - BWI
3 stops24h 54mMultiple Airlines
Deal found 10/21$999

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Nantucket 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 22, 2025.
Use the filters below to find and compare flights from Baltimore to Nantucket that are best for you.

Fly from

Baltimore

Fly to

Nantucket

Route

Depart

Return

Price

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Thu 11/20

7:30 am-7:41 am

3 stops24h 11m

Nantucket Memorial

Sun 11/23

4:54 pm-11:17 pm

2 stops30h 23m

$785

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Tue 11/4

6:20 am-4:59 pm

3 stops34h 39m

Nantucket Memorial

Sat 11/8

10:05 am-10:24 am

3 stops24h 19m

$867

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Mon 11/10

11:43 am-4:59 pm

3 stops29h 16m

Nantucket Memorial

Thu 11/13

4:38 pm-10:45 pm

3 stops30h 07m

$915

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Compare providers for flights from Baltimore to Nantucket

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

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

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

Currently, March is the cheapest month in which you can book a flight from Baltimore to Nantucket (average of $43). Flying from Baltimore to Nantucket in September is currently the most expensive (average of $117). 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 Baltimore to Nantucket. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Baltimore to Nantucket (average of $43). Flying from Baltimore to Nantucket in September is currently the most expensive (average of $117). 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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