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$296+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ACK
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$1,689
(United)

One-way from

$296
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$215
From Baltimore/Washington to Nantucket Memorial
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One-way flight from Baltimore/Washington to Nantucket Memorial
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Highest demand for flights based on searches. 9% potential increase in price ($23 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 September 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 September 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/184:27 pmBWI - ACK
2 stops18h 19mMultiple Airlines
Mon 9/228:05 pmACK - BWI
2 stops18h 42mMultiple Airlines
Deal found 9/17$1,145
This United deal was found by Cheapflights users on 9/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:40 pmBWI - ACK
2 stops20h 31mMultiple Airlines
Sun 9/218:30 pmACK - BWI
2 stops17h 18mMultiple Airlines
Deal found 9/15$1,583
This United deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/295:20 pmBWI - ACK
2 stops15h 50mMultiple Airlines
Fri 10/36:50 amACK - BWI
2 stops14h 32mMultiple Airlines
Deal found 9/16$1,689
This United deal was found by Cheapflights users on 9/17. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:54 pmBWI - ACK
2 stops14h 16mMultiple Airlines
Sat 10/48:26 amACK - BWI
2 stops12h 56mMultiple Airlines
Deal found 9/17$1,709
This United deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:29 amBWI - ACK
2 stops8h 07mMultiple Airlines
Fri 10/38:26 amACK - BWI
2 stops12h 56mMultiple Airlines
Deal found 9/16$1,723
This United deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/295:20 pmBWI - ACK
2 stops15h 50mMultiple Airlines
Wed 10/15:00 pmACK - BWI
2 stops21h 08mMultiple Airlines
Deal found 9/16$1,739
This United deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:29 amBWI - ACK
2 stops8h 44mMultiple Airlines
Thu 10/25:00 pmACK - BWI
2 stops16h 55mMultiple Airlines
Deal found 9/16$1,743
This United deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:29 amBWI - ACK
2 stops8h 07mMultiple Airlines
Fri 10/35:20 pmACK - BWI
2 stops20h 48mMultiple Airlines
Deal found 9/16$1,769
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:12 pmBWI - ACK
2 stops16h 34mMultiple Airlines
Thu 10/98:26 amACK - BWI
2 stops21h 46mMultiple Airlines
Deal found 9/16$1,828

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 September 17, 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

Mon 9/29

5:20 pm-9:10 am

2 stops15h 50m

Nantucket Memorial

Fri 10/3

6:50 am-9:22 pm

2 stops14h 32m

$1,689

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Mon 9/29

6:54 pm-9:10 am

2 stops14h 16m

Nantucket Memorial

Sat 10/4

8:26 am-9:22 pm

2 stops12h 56m

$1,709

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Tue 9/30

6:29 am-2:36 pm

2 stops8h 07m

Nantucket Memorial

Fri 10/3

8:26 am-9:22 pm

2 stops12h 56m

$1,723

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Mon 9/29

5:20 pm-9:10 am

2 stops15h 50m

Nantucket Memorial

Wed 10/1

5:00 pm-2:08 pm

2 stops21h 08m

$1,739

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Tue 9/30

6:29 am-3:13 pm

2 stops8h 44m

Nantucket Memorial

Thu 10/2

5:00 pm-9:55 am

2 stops16h 55m

$1,743

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Fri 10/3

6:29 am-2:36 pm

2 stops8h 07m

Nantucket Memorial

Fri 10/3

5:20 pm-2:08 pm

2 stops20h 48m

$1,769

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sat 10/11

4:00 pm-12:08 pm

3 stops44h 08m

$296

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Sat 10/18

1:35 pm-7:41 am

3 stops42h 06m

$318

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Tue 10/14

5:20 pm-7:41 am

3 stops38h 21m

$327

BaltimoreNantucket

BWI - ACK

BWIACK

Baltimore/Washington

Fri 10/17

8:21 pm-6:29 am

3 stops34h 08m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 12 results
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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.

  • 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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