$452+ Cheap flights from Baltimore to Nantucket (BWI - ACK)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ACK
Oct 10 — Oct 171
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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Best
Last-minute
One-way
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 September 10, 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 September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/126:05 am -
1 stop9h 44m
Mon 9/143:39 pm -
2 stops18h 51m
Deal found 9/8![United Airlines logo]()
$1,255
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 9/75:40 pm -
2 stops21h 23m
Thu 9/103:39 pm -
2 stops20h 06m
Deal found 9/5![United Airlines logo]()
$1,820
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:15 pm -
2 stops22h 00m
Fri 10/162:06 pm -
2 stops15h 14m
Deal found 9/9![Multiple Airlines logo]()
$1,851
This United deal was found by Cheapflights users on 9/6. 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 10/56:29 am -
2 stops10h 41m
Mon 10/57:50 pm -
2 stops22h 23m
Deal found 9/6![Multiple Airlines logo]()
$1,987
This Expedia deal was found by Cheapflights users on 9/7. 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.
Sat 9/267:15 pm -
2 stops14h 22m
Mon 9/282:55 pm -
2 stops15h 35m
Deal found 9/7![Multiple Airlines logo]()
$2,126
This Expedia deal was found by Cheapflights users on 9/6. 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.
Wed 10/76:15 pm -
2 stops17h 35m
Sun 10/1112:50 pm -
2 stops16h 30m
Deal found 9/6![Multiple Airlines logo]()
$2,371
This Expedia deal was found by Cheapflights users on 9/8. 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.
Thu 9/174:43 pm -
2 stops16h 54m
Mon 9/2111:20 am -
2 stops19h 10m
Deal found 9/8![Multiple Airlines logo]()
$2,383
This Expedia deal was found by Cheapflights users on 9/10. 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.
Thu 9/107:15 pm -
2 stops14h 22m
Sat 9/1210:40 am -
2 stops19h 50m
Deal found 9/10![Multiple Airlines logo]()
$2,423
This Expedia deal was found by Cheapflights users on 9/8. 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.
Wed 9/237:15 pm -
2 stops14h 22m
Sun 9/2712:15 pm -
2 stops10h 18m
Deal found 9/8![Multiple Airlines logo]()
$14,314
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 September 10, 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 September 10, 2026.
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:15 pm -
2 stops22h 00m
Fri 10/162:06 pm -
2 stops15h 14m
Deal found 9/9![Multiple Airlines logo]()
$1,851
This United deal was found by Cheapflights users on 9/6. 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 10/56:29 am -
2 stops10h 41m
Mon 10/57:50 pm -
2 stops22h 23m
Deal found 9/6![Multiple Airlines logo]()
$1,987
This Expedia deal was found by Cheapflights users on 9/7. 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.
Sat 9/267:15 pm -
2 stops14h 22m
Mon 9/282:55 pm -
2 stops15h 35m
Deal found 9/7![Multiple Airlines logo]()
$2,126
This Expedia deal was found by Cheapflights users on 9/6. 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.
Wed 10/76:15 pm -
2 stops17h 35m
Sun 10/1112:50 pm -
2 stops16h 30m
Deal found 9/6![Multiple Airlines logo]()
$2,371
This Expedia deal was found by Cheapflights users on 9/8. 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.
Wed 9/237:15 pm -
2 stops14h 22m
Sun 9/2712:15 pm -
2 stops10h 18m
Deal found 9/8![Multiple Airlines logo]()
$14,314
Last-minute flights from Baltimore to NantucketDiscover last-minute flight deals from Baltimore to Nantucket. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Nantucket. Data last updated September 10, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/10. 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.
Thu 9/107:15 pm -
2 stops14h 22m
Sat 9/1210:40 am -
2 stops19h 50m
Deal found 9/10![Multiple Airlines logo]()
$2,423
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/126:05 am -
1 stop9h 44m
Mon 9/143:39 pm -
2 stops18h 51m
Deal found 9/8![United Airlines logo]()
$1,255
This Expedia deal was found by Cheapflights users on 9/8. 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.
Thu 9/174:43 pm -
2 stops16h 54m
Mon 9/2111:20 am -
2 stops19h 10m
Deal found 9/8![Multiple Airlines logo]()
$2,383
This Expedia deal was found by Cheapflights users on 9/8. 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.
Wed 9/237:15 pm -
2 stops14h 22m
Sun 9/2712:15 pm -
2 stops10h 18m
Deal found 9/8![Multiple Airlines logo]()
$14,314
This Expedia deal was found by Cheapflights users on 9/7. 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.
Sat 9/267:15 pm -
2 stops14h 22m
Mon 9/282:55 pm -
2 stops15h 35m
Deal found 9/7![Multiple Airlines logo]()
$2,126
This United deal was found by Cheapflights users on 9/6. 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 10/56:29 am -
2 stops10h 41m
Mon 10/57:50 pm -
2 stops22h 23m
Deal found 9/6![Multiple Airlines logo]()
$1,987
This Expedia deal was found by Cheapflights users on 9/6. 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.
Wed 10/76:15 pm -
2 stops17h 35m
Sun 10/1112:50 pm -
2 stops16h 30m
Deal found 9/6![Multiple Airlines logo]()
$2,371
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:15 pm -
2 stops22h 00m
Fri 10/162:06 pm -
2 stops15h 14m
Deal found 9/9![Multiple Airlines logo]()
$1,851
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 September 10, 2026.
Search for one-way flight options from Baltimore to Nantucket. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:09 pm -
3 stops20h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Fri 9/189:32 pm -
2 stops35h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:35 pm -
1 stop22h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$486
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:40 pm -
1 stop22h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:32 pm -
2 stops36h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Wed 9/163:10 pm -
3 stops39h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$570
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,851 (Expedia) |
One-way from | $452 (Kiwi.com) |
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 7,457,451 searches. Data last updated September 10, 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 9/18
9:32 pm-9:15 am
2 stops35h 43m
Nantucket Memorial
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$474
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Fri 9/18
5:35 pm-3:49 pm
1 stop22h 14m
Nantucket Memorial
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$486
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Sat 9/19
5:40 pm-3:49 pm
1 stop22h 09m
Nantucket Memorial
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$503
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Sat 9/19
7:09 pm-9:15 am
2 stops38h 06m
Nantucket Memorial
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$508
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Wed 9/16
3:10 pm-9:37 am
2 stops42h 27m
Nantucket Memorial
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$584
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Fri 10/2
6:00 am-9:35 am
3 stops27h 35m
Nantucket Memorial
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$627
Quickest round-trip
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Sat 10/3
6:00 am-4:30 pm
2 stops10h 30m
Nantucket Memorial
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$668
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Fri 10/9
6:15 pm-4:15 pm
2 stops22h 00m
Nantucket Memorial
Fri 10/16
2:06 pm-5:20 am
2 stops15h 14m
$1,851
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Mon 10/5
6:29 am-5:10 pm
2 stops10h 41m
Nantucket Memorial
Mon 10/5
7:50 pm-6:13 pm
2 stops22h 23m
$1,987
BaltimoreNantucket
BWI Baltimore/Washington - ACK Nantucket Memorial
BWIACK
Baltimore/Washington
Sat 9/26
7:15 pm-9:37 am
2 stops14h 22m
Nantucket Memorial
Mon 9/28
2:55 pm-6:30 am
2 stops15h 35m
$2,126
Showing 1-10 of 12 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 September.
| 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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