HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Delaware

$437+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — ILG
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bismarck to Delaware 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 Bismarck to Delaware

Keep the following information in mind while searching for Bismarck to Delaware flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$437
(Delta)

Popular in

March

Cheapest in

February

Average price

$868
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. 9% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find 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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. 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 4/225:00 amBIS - PHL
1 stop4h 36mDelta
Tue 4/296:55 pmPHL - BIS
1 stop5h 37mDelta
Deal found 3/27$437
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/11:55 pmBIS - PHL
1 stop14h 40mUnited Airlines
Fri 5/98:00 amPHL - BIS
1 stop14h 22mUnited Airlines
Deal found 3/27$469
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/261:29 pmBIS - PHL
1 stop17h 27mAmerican Airlines
Mon 6/306:45 amPHL - BIS
1 stop8h 39mAmerican Airlines
Deal found 3/27$580

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 March 28, 2025.
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 4/22

5:00 am-10:36 am

1 stop4h 36m

Philadelphia

Tue 4/29

6:55 pm-11:32 pm

1 stop5h 37m

$437

BismarckPhiladelphia

BIS - PHL

BISPHL

Bismarck

Thu 5/1

1:55 pm-5:35 am

1 stop14h 40m

Philadelphia

Fri 5/9

8:00 am-9:22 pm

1 stop14h 22m

$469

BismarckPhiladelphia

BIS - PHL

BISPHL

Bismarck

Thu 6/26

1:29 pm-7:56 am

1 stop17h 27m

Philadelphia

Mon 6/30

6:45 am-2:24 pm

1 stop8h 39m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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

Rainfall in Delaware by month

Plan your trip to Delaware by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Delaware ranges from 2.9 - 4.3 inches per month. July is typically the wettest month, when rainfall can reach 4.3 in. February is typically the driest time to visit Delaware when rainfall is around 2.9 in.

Temperature in Delaware by month

Plan your trip to Delaware by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Delaware, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Delaware

Get insights into the airlines that provide service to Delaware. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Delaware. Reviews last updated March 28, 2025.
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Bismarck to Delaware

See prices for flight routes from nearby airports that may be better suited for you.
Fargo to Denver flights
Fargo to Dallas/Fort Worth flights
Fargo to O'Hare Intl flights
Fargo to Sky Harbor Intl flights
Fargo to Las Vegas flights
Fargo to Orlando flights
Fargo to Phoenix-Mesa Gateway flights
Fargo to Seattle flights
Fargo to Boston flights
Bismarck to Tampa flights
Fargo to Tampa flights
Fargo to Nashville flights
Fargo to Minneapolis flights
Fargo to San Francisco flights
Fargo to Baltimore flights
Minot to Orlando flights
Fargo to Los Angeles flights
Fargo to Hobby flights
Fargo to John F Kennedy Intl flights
Fargo to Salt Lake City flights
Fargo to Reagan-National flights
Bismarck to Denver flights
Fargo to Dulles Intl flights
Fargo to Fort Myers flights
Bismarck to Minneapolis flights
Bismarck to Orlando flights
Fargo to Newark flights
Fargo to Midway flights
Fargo to Portland flights
Bismarck to Dulles Intl flights
Grand Forks to Las Vegas flights
Fargo to Detroit flights
Fargo to Atlanta flights
Bismarck to Sky Harbor Intl flights
Bismarck to Reagan-National flights
Fargo to San Diego flights
Bismarck to Anchorage flights
Bismarck to Las Vegas flights
Bismarck to Austin flights
Bismarck to Seattle flights
Bismarck to Salt Lake City flights
Bismarck to Baltimore flights
Bismarck to Dallas/Fort Worth flights
Bismarck to San Diego flights
Fargo to LaGuardia flights
Bismarck to Sarasota flights
Fargo to George Bush Intcntl flights
Fargo to Santa Ana flights
Fargo to Sarasota flights
Fargo to Philadelphia flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.