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$273+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ACK
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
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 July 30, 2026.

This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:15 am
BWI
-
ACK
2 stops8h 26m
Delta
Tue 9/112:28 pm
ACK
-
BWI
2 stops9h 00m
Delta
Deal found 7/26$377
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:15 am
BWI
-
ACK
2 stops9h 42m
Delta
Wed 9/212:28 pm
ACK
-
BWI
2 stops9h 00m
Delta
Deal found 7/27$397
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:00 pm
BWI
-
ACK
2 stops22h 57m
Delta
Tue 9/112:28 pm
ACK
-
BWI
2 stops9h 00m
Delta
Deal found 7/27$442
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:15 am
BWI
-
ACK
2 stops9h 42m
Delta
Fri 9/44:40 pm
ACK
-
BWI
2 stops17h 18m
Delta
Deal found 7/27$447
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:15 am
BWI
-
ACK
2 stops9h 42m
Delta
Tue 9/112:28 pm
ACK
-
BWI
2 stops9h 00m
Delta
Deal found 7/27$448
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:15 am
BWI
-
ACK
2 stops8h 26m
Delta
Thu 9/34:40 pm
ACK
-
BWI
2 stops16h 14m
Delta
Deal found 7/27$459
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:00 pm
BWI
-
ACK
2 stops22h 57m
Delta
Wed 9/212:28 pm
ACK
-
BWI
2 stops9h 00m
Delta
Deal found 7/27$462
This Delta deal was found by Cheapflights users on 7/29. 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 8/266:15 am
BWI
-
ACK
2 stops8h 26m
Delta
Wed 9/212:28 pm
ACK
-
BWI
2 stops9h 00m
Delta
Deal found 7/29$468
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:15 am
BWI
-
ACK
2 stops8h 26m
Delta
Sat 9/53:24 pm
ACK
-
BWI
2 stops20h 08m
Delta
Deal found 7/27$479
This Delta deal was found by Cheapflights users on 7/29. 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 8/36:15 am
BWI
-
ACK
2 stops8h 26m
Delta
Wed 9/212:28 pm
ACK
-
BWI
2 stops9h 00m
Delta
Deal found 7/29$492
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:20 pm
BWI
-
ACK
2 stops20h 21m
Delta
Tue 9/112:28 pm
ACK
-
BWI
2 stops9h 00m
Delta
Deal found 7/27$502

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 July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$377
(Delta)

One-way from

$273
(Delta)

Popular in

June

Cheapest in

December

Average price

$325
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. 16% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 30, 2026.
Use the filters below to find and compare flights from Baltimore to Nantucket that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Tue 8/25

6:15 am-2:41 pm

2 stops8h 26m

Nantucket Memorial

Tue 9/1

12:28 pm-9:28 pm

2 stops9h 00m

$377

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sat 8/29

5:00 pm-3:57 pm

2 stops22h 57m

Nantucket Memorial

Wed 9/2

12:28 pm-9:28 pm

2 stops9h 00m

$462

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Wed 8/26

6:15 am-2:41 pm

2 stops8h 26m

Nantucket Memorial

Wed 9/2

12:28 pm-9:28 pm

2 stops9h 00m

$468

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sat 8/22

6:15 am-3:57 pm

2 stops9h 42m

Nantucket Memorial

Fri 8/28

12:28 pm-11:13 pm

2 stops10h 45m

$582

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sun 8/23

6:15 am-3:57 pm

2 stops9h 42m

Nantucket Memorial

Wed 9/2

12:28 pm-9:28 pm

2 stops9h 00m

$582

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Mon 8/31

6:15 am-3:57 pm

2 stops9h 42m

Nantucket Memorial

Wed 9/2

12:28 pm-9:28 pm

2 stops9h 00m

$665

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sat 8/29

6:05 am-3:49 pm

1 stop9h 44m

Nantucket Memorial

Wed 9/2

4:15 pm-10:09 am

2 stops17h 54m

$695

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sat 8/22

5:40 pm-3:49 pm

1 stop22h 09m

Nantucket Memorial

Sat 8/29

4:45 pm-10:09 am

1 stop17h 24m

$760

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sat 8/22

6:15 am-3:57 pm

2 stops9h 42m

Nantucket Memorial

Wed 8/26

12:28 pm-9:28 pm

2 stops9h 00m

$898

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Tue 8/25

5:40 pm-3:03 pm

2 stops21h 23m

Nantucket Memorial

Thu 8/27

4:15 pm-1:58 pm

2 stops21h 43m

$934

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 18 resultsSorted by cheapest first
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 July.
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.

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 Delta fly from Baltimore to Nantucket in about 8h 26m. 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.

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