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$248+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ACK
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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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 13, 2026.

This Delta deal was found by Cheapflights users on 2/11. 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 8/56:00 am
BWI
-
ACK
2 stops10h 03m
Delta
Tue 8/112:10 pm
ACK
-
BWI
2 stops18h 21m
Delta
Deal found 2/11$478
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Sat 8/86:32 am
BWI
-
ACK
1 stop5h 47m
American Airlines
Tue 8/111:38 pm
ACK
-
BWI
2 stops10h 48m
American Airlines
Deal found 2/11$479
This Delta deal was found by Cheapflights users on 2/11. 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 8/97:40 pm
BWI
-
ACK
2 stops22h 25m
Delta
Tue 8/112:10 pm
ACK
-
BWI
2 stops21h 31m
Delta
Deal found 2/11$499
This Delta deal was found by Cheapflights users on 2/11. 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.
Sat 8/86:10 pm
BWI
-
ACK
2 stops19h 17m
Delta
Tue 8/1110:00 am
ACK
-
BWI
2 stops12h 54m
Delta
Deal found 2/11$591
This American Airlines deal was found by Cheapflights users on 2/11. 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 8/75:00 am
BWI
-
ACK
2 stops7h 50m
American Airlines
Tue 8/111:38 pm
ACK
-
BWI
2 stops8h 41m
American Airlines
Deal found 2/11$594
This Delta deal was found by Cheapflights users on 2/11. 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 8/56:00 am
BWI
-
ACK
2 stops10h 03m
Delta
Mon 8/1010:00 am
ACK
-
BWI
2 stops22h 31m
Delta
Deal found 2/11$624
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Sat 8/16:20 am
BWI
-
ACK
1 stop5h 59m
American Airlines
Sat 8/810:29 am
ACK
-
BWI
2 stops11h 50m
American Airlines
Deal found 2/9$666
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Sun 8/98:15 am
BWI
-
ACK
2 stops8h 54m
American Airlines
Mon 8/101:38 pm
ACK
-
BWI
2 stops10h 48m
American Airlines
Deal found 2/11$674
This American Airlines deal was found by Cheapflights users on 2/11. 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 8/65:00 am
BWI
-
ACK
2 stops7h 50m
American Airlines
Tue 8/111:38 pm
ACK
-
BWI
2 stops8h 41m
American Airlines
Deal found 2/11$684

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 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$478
(Delta)

One-way from

$248
(Delta)

Popular in

October

Cheapest in

March

Average price

$224
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. 6% potential increase in price ($16 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 13, 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

Thu 2/26

12:30 pm-9:25 am

2 stops20h 55m

Nantucket Memorial

Mon 3/2

2:45 pm-9:06 am

2 stops18h 21m

$751

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sat 5/2

6:00 pm-6:24 pm

2 stops24h 24m

Nantucket Memorial

Wed 5/6

11:30 am-8:04 pm

1 stop8h 34m

$852

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Wed 2/25

12:30 pm-11:40 am

2 stops23h 10m

Nantucket Memorial

Sun 3/1

11:30 am-10:53 pm

2 stops11h 23m

$887

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Tue 2/24

10:06 am-7:50 pm

2 stops9h 44m

Nantucket Memorial

Sat 2/28

7:00 am-10:53 pm

2 stops15h 53m

$1,077

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Wed 6/3

6:10 am-2:27 pm

2 stops8h 17m

$248

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sat 6/20

5:49 pm-9:15 am

1 stop15h 26m

$368

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Fri 4/24

2:21 pm-6:24 pm

1 stop28h 03m

$374

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Mon 6/8

2:21 pm-10:30 am

1 stop20h 09m

$390

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Tue 6/9

2:21 pm-5:06 pm

1 stop26h 45m

$401

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Wed 6/10

6:00 am-4:03 pm

2 stops10h 03m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 14 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 $44). 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.

  • 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 $44). 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

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