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Delaware

$384+ Cheap flights from Bismarck (BIS) to Delaware

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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — ILG
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Bismarck to Delaware

Cheapest flights from Bismarck to Delaware
Explore the most affordable flight options available from Bismarck to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This Delta deal was found by Cheapflights users on 2/2. 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 2/175:26 pm
BIS
-
PHL
1 stop5h 18m
Delta
Sat 2/2112:16 pm
PHL
-
BIS
2 stops12h 06m
Delta
Deal found 2/2$384
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 9/235:45 am
BIS
-
PHL
2 stops10h 37m
United Airlines
Sat 9/2610:00 am
PHL
-
BIS
1 stop7h 22m
United Airlines
Deal found 2/2$483
This Delta deal was found by Cheapflights users on 2/3. 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 3/134:50 pm
BIS
-
PHL
1 stop6h 09m
Delta
Mon 3/166:54 pm
PHL
-
BIS
1 stop5h 33m
Delta
Deal found 2/3$488
This Delta deal was found by Cheapflights users on 2/2. 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 2/75:27 pm
BIS
-
PHL
1 stop4h 58m
Delta
Thu 2/1211:30 am
PHL
-
BIS
1 stop6h 11m
Delta
Deal found 2/2$489
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/65:30 am
BIS
-
PHL
1 stop9h 20m
United Airlines
Sun 2/83:43 pm
PHL
-
BIS
1 stop8h 47m
United Airlines
Deal found 2/2$590

Find flight deals from Bismarck to Delaware

Keep the following information in mind while searching for Bismarck to Delaware flight deals. Data was last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$384
(Delta)

Popular in

April

Cheapest in

November

Average price

$330
Provider with most accurate pricing for Bismarck-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bismarck-Philadelphia flights.
Search Deals
From Bismarck to Delaware
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 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 Bismarck to Delaware 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 5, 2026.
Use the filters below to find and compare flights from Bismarck to Delaware that are best for you.

Fly from

Bismarck

Fly to

Delaware

Route

Depart

Return

Price

BismarckPhiladelphia

BIS - PHL

BISPHL

Bismarck

Tue 2/17

5:26 pm-11:44 pm

1 stop5h 18m

Philadelphia

Sat 2/21

6:10 am-12:45 pm

1 stop7h 35m

$409

BismarckPhiladelphia

BIS - PHL

BISPHL

Bismarck

Fri 3/13

4:50 pm-11:59 pm

1 stop6h 09m

Philadelphia

Mon 3/16

6:54 pm-11:27 pm

1 stop5h 33m

$488

BismarckPhiladelphia

BIS - PHL

BISPHL

Bismarck

Mon 3/2

2:24 pm-12:54 am

1 stop9h 30m

Philadelphia

Thu 3/5

12:22 pm-11:55 pm

2 stops12h 33m

$710

BismarckPhiladelphia

BIS - PHL

BISPHL

Bismarck

Mon 3/2

1:30 pm-10:50 pm

2 stops8h 20m

Philadelphia

Thu 3/5

9:41 am-4:41 pm

2 stops8h 00m

$730

BismarckPhiladelphia

BIS - PHL

BISPHL

Bismarck

Mon 3/2

6:25 pm-2:19 pm

3 stops18h 54m

Philadelphia

Thu 3/5

12:15 pm-10:05 pm

2 stops10h 50m

$848

BismarckPhiladelphia

BIS - PHL

BISPHL

Bismarck

Tue 2/17

6:25 pm-2:19 pm

3 stops18h 54m

Philadelphia

Sat 2/21

12:40 pm-12:56 pm

2 stops25h 16m

$853

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Best time to book a flight from Bismarck to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Bismarck 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 Bismarck to Delaware
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Bismarck to Delaware. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Bismarck to Delaware?

    Located just 2.5 mi from the city center, Bismarck (BIS) is the airport most travelers will use when flying to Delaware from Bismarck.

  • How long is the flight from Bismarck to Delaware?

    Airlines like Delta and American Airlines fly from Bismarck to Delaware in about 5h 18m. The time it takes to get you to your destination can typically vary by up to 4h 12m. The distance from Bismarck to Delaware is about 1360 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Bismarck to Delaware that include hotel bookings?

    Yes. In addition to deals on Bismarck to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bismarck to Delaware?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bismarck to Delaware.

  • Can I find deals for business class flights from Bismarck to Delaware?

    Yes. Cheapflights offers flight deals from Bismarck to Delaware by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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