HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Nantucket

$330+ Cheap flights from Baltimore to Nantucket (BWI - ACK)

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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ACK
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to Nantucket 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.

Cheap 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 February 19, 2026.

This Delta deal was found by Cheapflights users on 2/17. 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 9/19:35 am
BWI
-
ACK
2 stops8h 30m
Delta
Fri 9/42:10 pm
ACK
-
BWI
2 stops21h 00m
Delta
Deal found 2/17$414
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Tue 9/15:00 am
BWI
-
ACK
2 stops7h 50m
American Airlines
Sat 9/51:38 pm
ACK
-
BWI
2 stops10h 48m
American Airlines
Deal found 2/17$423
This Delta deal was found by Cheapflights users on 2/17. 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 9/29:35 am
BWI
-
ACK
2 stops8h 30m
Delta
Sat 9/52:10 pm
ACK
-
BWI
2 stops21h 31m
Delta
Deal found 2/17$431
This Delta deal was found by Cheapflights users on 2/17. 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 9/26:00 am
BWI
-
ACK
2 stops12h 05m
Delta
Thu 9/32:10 pm
ACK
-
BWI
2 stops21h 31m
Delta
Deal found 2/17$467
This Delta deal was found by Cheapflights users on 2/17. 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 8/309:35 am
BWI
-
ACK
2 stops8h 30m
Delta
Thu 9/32:10 pm
ACK
-
BWI
2 stops18h 21m
Delta
Deal found 2/17$481
This Delta deal was found by Cheapflights users on 2/17. 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.
Mon 8/316:00 am
BWI
-
ACK
2 stops12h 05m
Delta
Thu 9/32:10 pm
ACK
-
BWI
2 stops18h 21m
Delta
Deal found 2/17$493
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Tue 9/15:00 am
BWI
-
ACK
2 stops7h 50m
American Airlines
Wed 9/21:38 pm
ACK
-
BWI
2 stops10h 48m
American Airlines
Deal found 2/17$495
This Delta deal was found by Cheapflights users on 2/17. 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 8/309:35 am
BWI
-
ACK
2 stops8h 30m
Delta
Fri 9/42:10 pm
ACK
-
BWI
2 stops19h 06m
Delta
Deal found 2/17$500
This Delta deal was found by Cheapflights users on 2/17. 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 8/309:35 am
BWI
-
ACK
2 stops8h 30m
Delta
Sat 9/52:10 pm
ACK
-
BWI
2 stops21h 31m
Delta
Deal found 2/17$517
This Delta deal was found by Cheapflights users on 2/17. 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.
Mon 8/316:00 am
BWI
-
ACK
2 stops12h 05m
Delta
Fri 9/41:45 pm
ACK
-
BWI
2 stops21h 25m
Delta
Deal found 2/17$520
This Delta deal was found by Cheapflights users on 2/17. 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 8/309:35 am
BWI
-
ACK
2 stops8h 30m
Delta
Wed 9/22:10 pm
ACK
-
BWI
2 stops21h 31m
Delta
Deal found 2/17$525

Find 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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$554
(American Airlines)

One-way from

$330
(Delta)

Popular in

October

Cheapest in

March

Average price

$247
Provider with most accurate pricing for Baltimore/Washington-Nantucket Memorial flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Nantucket Memorial flights.
Search Deals
From Baltimore/Washington to Nantucket Memorial
Search Deals
One-way flight from Baltimore/Washington to Nantucket Memorial
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 19, 2026.
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

Fri 7/31

5:00 am-1:49 pm

2 stops8h 49m

Nantucket Memorial

Fri 8/7

1:38 pm-10:19 pm

2 stops8h 41m

$554

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Tue 3/3

11:30 am-9:25 am

2 stops21h 55m

Nantucket Memorial

Sat 3/7

1:30 pm-8:06 am

2 stops18h 36m

$657

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Fri 6/19

6:15 am-1:28 pm

1 stop7h 13m

Nantucket Memorial

Sun 6/21

1:58 pm-8:38 pm

1 stop6h 40m

$708

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Wed 6/17

5:01 am-2:13 pm

2 stops9h 12m

Nantucket Memorial

Sun 6/21

1:58 pm-8:38 pm

1 stop6h 40m

$794

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Mon 3/2

10:06 am-7:50 pm

2 stops9h 44m

Nantucket Memorial

Fri 3/6

4:04 pm-9:06 am

2 stops17h 02m

$894

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sat 8/1

6:00 am-4:03 pm

2 stops10h 03m

Nantucket Memorial

Wed 8/5

2:10 pm-10:54 pm

2 stops8h 44m

$927

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sun 6/14

6:00 am-4:03 pm

2 stops10h 03m

Nantucket Memorial

Fri 6/19

12:01 pm-10:54 pm

2 stops10h 53m

$927

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Tue 6/16

6:00 am-4:03 pm

2 stops10h 03m

$330

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Mon 6/15

5:01 am-2:13 pm

2 stops9h 12m

$360

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sun 6/14

10:06 am-6:21 pm

2 stops8h 15m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 15 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 $46). Flying from Baltimore to Nantucket in December 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.

  • How long is the flight from Baltimore to Nantucket?

    Airlines like American Airlines fly from Baltimore to Nantucket in about 8h 49m. The time it takes to get you to your destination can typically vary by up to . The distance from Baltimore to Nantucket is about 377 mi.

  • 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 $46). Flying from Baltimore to Nantucket in December 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

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.

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.