Cheap Flights to Oliver County | Popular Routes to Oliver County from HK$2,790

View HK$2,790 flight on Fri, 13 Mar 2026Opens in a new window

Popular airlines to Oliver County

  • Delta

  • American Airlines

  • United

  • KLM

  • Air France

  • Virgin Atlantic

  • WestJet

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Oliver County

Prices were available within the past 7 days and start at HK$2,790 for one-way flights and HK$4,116 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 13 Mar - Thu, 26 Mar
SEA
Seattle
BIS
Bismarck
HK$4,116 Return, found 7 hours ago
HK$4,116
Return
found 7 hours ago
Select United flight, departing Fri, 13 Mar from Seattle to Bismarck, returning Thu, 26 Mar, priced at HK$4,116 found 7 hours ago
United
Fri, 13 Mar - Thu, 26 Mar
SEA
Seattle
BIS
Bismarck
HK$4,159 Return, found 7 hours ago
HK$4,159
Return
found 7 hours ago
Select United flight, departing Fri, 13 Mar from Seattle to Bismarck, returning Thu, 26 Mar, priced at HK$4,159 found 7 hours ago
United
Fri, 13 Mar - Thu, 26 Mar
SEA
Seattle
BIS
Bismarck
HK$4,653 Return, found 7 hours ago
HK$4,653
Return
found 7 hours ago
Select United flight, departing Fri, 13 Mar from Seattle to Bismarck, returning Thu, 26 Mar, priced at HK$4,653 found 7 hours ago
United
Fri, 13 Mar - Thu, 26 Mar
SEA
Seattle
BIS
Bismarck
HK$4,664 Return, found 7 hours ago
HK$4,664
Return
found 7 hours ago
Select United flight, departing Fri, 13 Mar from Seattle to Bismarck, returning Thu, 26 Mar, priced at HK$4,664 found 7 hours ago
United
Fri, 13 Mar - Thu, 26 Mar
SEA
Seattle
BIS
Bismarck
HK$4,707 Return, found 7 hours ago
HK$4,707
Return
found 7 hours ago
Select United flight, departing Fri, 13 Mar from Seattle to Bismarck, returning Thu, 26 Mar, priced at HK$4,707 found 7 hours ago
United
Fri, 13 Mar - Thu, 26 Mar
SEA
Seattle
BIS
Bismarck
HK$4,825 Return, found 7 hours ago
HK$4,825
Return
found 7 hours ago
Select United flight, departing Fri, 13 Mar from Seattle to Bismarck, returning Thu, 26 Mar, priced at HK$4,825 found 7 hours ago
United
Fri, 13 Mar - Thu, 26 Mar
SEA
Seattle
BIS
Bismarck
HK$5,083 Return, found 7 hours ago
HK$5,083
Return
found 7 hours ago
Select United flight, departing Fri, 13 Mar from Seattle to Bismarck, returning Thu, 26 Mar, priced at HK$5,083 found 7 hours ago
Delta
Fri, 13 Mar - Thu, 26 Mar
SEA
Seattle
BIS
Bismarck
HK$5,375 Return, found 7 hours ago
HK$5,375
Return
found 7 hours ago
Select Delta flight, departing Fri, 13 Mar from Seattle to Bismarck, returning Thu, 26 Mar, priced at HK$5,375 found 7 hours ago
American Airlines
Fri, 13 Mar - Thu, 26 Mar
SEA
Seattle
BIS
Bismarck
HK$5,986 Return, found 7 hours ago
HK$5,986
Return
found 7 hours ago
Select American Airlines flight, departing Fri, 13 Mar from Seattle to Bismarck, returning Thu, 26 Mar, priced at HK$5,986 found 7 hours ago
Korean Air
Sun, 8 Mar - Sun, 15 Mar
MNL
Manila
BIS
Bismarck
HK$13,913 Return, found 11 hours ago
HK$13,913
Return
found 11 hours ago
Select Korean Air flight, departing Sun, 8 Mar from Manila to Bismarck, returning Sun, 15 Mar, priced at HK$13,913 found 11 hours ago

About Oliver County

Expedia offers flights to Oliver County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Oliver County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to Oliver County that have flexible change policies?
It's as easy as counting 1-2-3 with Expedia. Step 1: Type in your preferred dates and destination and press "Search." Next, check "No change fee" under the "Flexible change policies" heading to the left of your screen. Step 3. Bag your cheap and flexible fare to Oliver County.
Which airlines fly to Oliver County?
Find a seat with one of these airlines and dynamic Oliver County will be all yours to explore:

  • Delta Air Lines - 117 flights to or near Oliver County each month, including 117 flights to Bismarck Municipal Airport (BIS) per month.
  • United Airlines - 86 flights to or near Oliver County each month, including 86 flights to Bismarck Municipal Airport (BIS) per month.
  • American Airlines - 60 flights to or near Oliver County each month, including 60 flights to Bismarck Municipal Airport (BIS) per month.

How can I find cheap tickets to Oliver County?
For the best deal to Oliver County, book in advance. Also make use of Expedia's "flexible dates" feature at the top of your search results. This will display the cheapest prices for similar time frames. In the last seven days, HK$4,116 was the best price for a flight to Oliver County.
How much is a flight to Oliver County?
If you were journeying one way from Seattle (SEA), you could've snapped up a bargain fare for HK$2,790 in the last seven days. Round-trip journeys to Oliver County ranged from HK$4,116 to HK$13,913 over the same period.
What are the most popular airports to fly into in Oliver County?
Start planning your Oliver County vacation by securing a seat on one of the 294 flights a month to Bismarck Municipal Airport (BIS). This is the region's primary gateway.
When is the cheapest time to fly to Oliver County?
If you'd rather spend your vacation savings experiencing the delights of Oliver County rather than on your flight there, leave early in the week. The most cost-effective day to fly is usually Tuesday, with Monday running a close second. With many people traveling over the weekend, Saturday typically has the highest airfares.
How much is a plane ticket to Oliver County?
Seats varied from HK$4,116 to HK$13,913 over the last seven days. When you're ready to book, we'll help you pick up an amazing deal to Oliver County.
What is the best time to go to Oliver County?
If you'd like to discover Oliver County's most populous city when it's buzzing, head to Centre sometime in May, July and August. Similar to most locations in the Northern Hemisphere, summertime here starts June 20, with average temperatures ranging between 16ºC and 27ºC.
What months are the cheapest to book a flight to Oliver County?
An excellent month to book budget flights to Oliver County is February. It's worth noting that in the United States, an expensive time to reserve a seat is during the festive month of December.
*Available to Expedia members.