$313+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ACK
Sep 17 — Sep 241
Round-trip
1 adult, Economy
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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
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Cheapest flights from Baltimore to NantucketExplore 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 August 18, 2026.
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 August 18, 2026.
This Delta deal was found by Cheapflights users on 8/17. 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.
Thu 8/206:15 am -
2 stops9h 42m
Tue 8/2512:28 pm -
2 stops9h 00m
Deal found 8/17![Delta logo]()
$532
This American Airlines deal was found by Cheapflights users on 8/13. 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 8/2811:59 am -
1 stop23h 48m
Tue 9/12:03 pm -
2 stops7h 49m
Deal found 8/13![American Airlines logo]()
$611
This Delta deal was found by Cheapflights users on 8/17. 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.
Sat 8/226:15 am -
2 stops8h 26m
Fri 8/2812:28 pm -
2 stops10h 45m
Deal found 8/17![Delta logo]()
$622
This Delta deal was found by Cheapflights users on 8/14. 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 8/306:15 am -
2 stops8h 26m
Wed 9/212:28 pm -
2 stops9h 00m
Deal found 8/14![Delta logo]()
$645
This Delta deal was found by Cheapflights users on 8/13. 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 9/26:15 am -
2 stops8h 26m
Sat 9/512:28 pm -
2 stops9h 00m
Deal found 8/13![Delta logo]()
$664
This Delta deal was found by Cheapflights users on 8/14. 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.
Fri 8/286:15 am -
2 stops9h 42m
Tue 9/112:28 pm -
2 stops9h 00m
Deal found 8/14![Delta logo]()
$693
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:15 am -
2 stops8h 26m
Fri 8/2812:28 pm -
2 stops10h 45m
Deal found 8/16![Delta logo]()
$718
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:54 am -
2 stops6h 38m
Thu 9/32:03 pm -
2 stops8h 55m
Deal found 8/15![American Airlines logo]()
$739
Best flights from Baltimore to NantucketDiscover carefully curated flight deals from Baltimore to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
Discover carefully curated flight deals from Baltimore to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
This American Airlines deal was found by Cheapflights users on 8/13. 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 8/2811:59 am -
1 stop23h 48m
Tue 9/12:03 pm -
2 stops7h 49m
Deal found 8/13![American Airlines logo]()
$611
This Delta deal was found by Cheapflights users on 8/13. 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 8/306:15 am -
2 stops8h 26m
Tue 9/112:28 pm -
2 stops9h 00m
Deal found 8/13![Delta logo]()
$645
This Delta deal was found by Cheapflights users on 8/14. 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 8/306:15 am -
2 stops8h 26m
Wed 9/212:28 pm -
2 stops9h 00m
Deal found 8/14![Delta logo]()
$645
This Delta deal was found by Cheapflights users on 8/13. 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 9/26:15 am -
2 stops8h 26m
Sat 9/512:28 pm -
2 stops9h 00m
Deal found 8/13![Delta logo]()
$664
This American Airlines deal was found by Cheapflights users on 8/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:00 am -
2 stops7h 33m
Fri 9/42:03 pm -
2 stops8h 55m
Deal found 8/16![American Airlines logo]()
$739
This Delta deal was found by Cheapflights users on 8/14. 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.
Fri 8/286:15 am -
2 stops9h 42m
Tue 9/112:28 pm -
2 stops9h 00m
Deal found 8/14![Delta logo]()
$693
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:15 am -
2 stops8h 26m
Mon 8/3112:28 pm -
2 stops9h 00m
Deal found 8/15![Delta logo]()
$784
Last-minute flights from Baltimore to NantucketDiscover last-minute flight deals from Baltimore to Nantucket. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Nantucket. Data last updated August 18, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/17. 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.
Thu 8/206:15 am -
2 stops9h 42m
Tue 8/2512:28 pm -
2 stops9h 00m
Deal found 8/17![Delta logo]()
$532
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:15 am -
2 stops8h 26m
Fri 8/2812:28 pm -
2 stops10h 45m
Deal found 8/16![Delta logo]()
$718
This Delta deal was found by Cheapflights users on 8/17. 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.
Sat 8/226:15 am -
2 stops8h 26m
Fri 8/2812:28 pm -
2 stops10h 45m
Deal found 8/17![Delta logo]()
$622
This American Airlines deal was found by Cheapflights users on 8/13. 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 8/2811:59 am -
1 stop23h 48m
Tue 9/12:03 pm -
2 stops7h 49m
Deal found 8/13![American Airlines logo]()
$611
This Delta deal was found by Cheapflights users on 8/14. 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.
Fri 8/286:15 am -
2 stops9h 42m
Tue 9/112:28 pm -
2 stops9h 00m
Deal found 8/14![Delta logo]()
$693
This Delta deal was found by Cheapflights users on 8/14. 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 8/306:15 am -
2 stops8h 26m
Wed 9/212:28 pm -
2 stops9h 00m
Deal found 8/14![Delta logo]()
$645
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:54 am -
2 stops6h 38m
Thu 9/32:03 pm -
2 stops8h 55m
Deal found 8/15![American Airlines logo]()
$739
This Delta deal was found by Cheapflights users on 8/13. 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 9/26:15 am -
2 stops8h 26m
Sat 9/512:28 pm -
2 stops9h 00m
Deal found 8/13![Delta logo]()
$664
One-way flights from Baltimore to NantucketSearch for one-way flight options from Baltimore to Nantucket. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
Search for one-way flight options from Baltimore to Nantucket. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This United Airlines deal was found by Cheapflights users on 8/13. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:40 pm -
1 stop22h 09m
Deal found 8/13![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 8/17. 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 9/16:15 am -
2 stops9h 42m
Deal found 8/17![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 8/13. 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 9/65:36 pm -
2 stops18h 12m
Deal found 8/13![Delta logo]()
$327
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/56:35 pm -
2 stops18h 57m
Deal found 8/13![American Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 8/14. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:35 pm -
1 stop22h 14m
Deal found 8/14![United Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 8/14. 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.
Thu 8/276:15 am -
2 stops9h 42m
Deal found 8/14![Delta logo]()
$403
This Delta deal was found by Cheapflights users on 8/13. 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 -
2 stops8h 26m
Deal found 8/13![Delta logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 am -
3 stops24h 30m
Deal found 8/14![Multiple Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 8/13. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:40 pm -
1 stop22h 09m
Deal found 8/13![United Airlines logo]()
$456
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 August 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $611 (American Airlines) |
One-way from | $313 (United Airlines) |
Popular in | June |
Cheapest in | December |
Average price | $269 |
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 August 18, 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
Cheapest round-trip
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Fri 8/28
11:59 am-11:47 am
1 stop23h 48m
Nantucket Memorial
Tue 9/1
2:03 pm-9:52 pm
2 stops7h 49m
$611
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Sun 8/30
6:15 am-2:41 pm
2 stops8h 26m
Nantucket Memorial
Tue 9/1
12:28 pm-9:28 pm
2 stops9h 00m
$645
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Sun 8/30
6:15 am-2:41 pm
2 stops8h 26m
Nantucket Memorial
Wed 9/2
12:28 pm-9:28 pm
2 stops9h 00m
$645
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Wed 9/2
6:15 am-2:41 pm
2 stops8h 26m
Nantucket Memorial
Sat 9/5
12:28 pm-9:28 pm
2 stops9h 00m
$664
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Fri 8/28
6:15 am-3:57 pm
2 stops9h 42m
Nantucket Memorial
Tue 9/1
12:28 pm-9:28 pm
2 stops9h 00m
$693
Quickest round-trip
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Mon 8/31
6:00 am-1:33 pm
2 stops7h 33m
Nantucket Memorial
Fri 9/4
2:03 pm-10:58 pm
2 stops8h 55m
$739
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Sat 8/29
6:15 am-2:41 pm
2 stops8h 26m
Nantucket Memorial
Mon 8/31
12:28 pm-9:28 pm
2 stops9h 00m
$784
Cheapest one-way
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Sat 9/5
5:40 pm-3:49 pm
1 stop22h 09m
$313
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Sun 9/6
5:36 pm-11:48 am
2 stops18h 12m
$327
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Fri 9/11
5:35 pm-3:49 pm
1 stop22h 14m
$380
Showing 1-10 of 16 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
BWI-ACK
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.
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