How far is Bonners Ferry, ID from Idaho Falls, ID?

The driving distance from Bonners Ferry, ID to Idaho Falls, ID is about 529.4 miles (852 km), with a travel time of about 08h 33m by car.

  • The straight-line flight distance is about 415.1 miles (668 km).
  • For a round trip, plan for roughly 17h 07m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
529.4 mi
08h 33m
Flight
415.09 mi
668.03 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Bonners Ferry.

Flight Distance

Direct air line
415.09 mi
Kilometers
668.03 km
Flight Time
00h 50m

Driving Distance

Road route
529.4 mi
Kilometers
851.98 km
Drive Time
08h 33m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 08h 33m.

Arrival Snapshot
Arrive in Idaho Falls
Sun, May 31, 1:43 PM MDT
Return by in Bonners Ferry
Sun, May 31, 9:17 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bonners Ferry
2026-05-31T04:09
Arrive Idaho Falls
Sun, May 31, 12:43 PM PDT
Route Timing
08h 33m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
3:34 PM to 5:04 PM MDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
6:52 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Bonners Ferry
8:00 PM PDT
Overnight-style route

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Salmon
ID

City in Lemhi County, Idaho, United States

From Bonners Ferry
277.6 mi
04h 16m
To Idaho Falls
251.8 mi
04h 16m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Sunday

Chance Rain Showers

Starts
Sun, May 31 6:00 AM PDT
Wind
1 to 6 mph SW
Destination
65°F
Sunday

Slight Chance Light Rain then Mostly Sunny

Starts
Sun, May 31 6:00 AM MDT
Wind
8 to 14 mph SW

Driving Route Map

The map below follows the saved road route between Bonners Ferry and Idaho Falls.

Turn-by-Turn Driving Directions

Step-by-step road directions between Bonners Ferry and Idaho Falls.

  1. 1

    Start on Main Street

    1.8 mi · 4 min · Main Street

  2. 2

    Continue straight

    73.8 mi · 1 hr 31 min

  3. 3

    Turn left

    278 mi · 4 hr 40 min

  4. 4

    Take the exit slight right toward I 15 South: Dillon, Idaho Falls

    2694 ft · 1 min

  5. 5

    Merge slight left

    198 mi · 3 hr 6 min

  6. 6

    Take the exit slight right toward I 15 Business, US 20 West: Historic Downtown, Arco

    1619 ft · 47 sec

  7. 7

    Continue on West Broadway Street

    2164 ft · 54 sec · West Broadway Street

  8. 8

    Turn right onto South Utah Avenue

    2435 ft · 50 sec · South Utah Avenue

  9. 9

    Enter the roundabout and take exit 1 toward South Utah Avenue

    31 m · 2 sec · South Utah Avenue

  10. 10

    Exit the roundabout onto South Utah Avenue

    781 ft · 23 sec · South Utah Avenue

  11. 11

    Turn left onto Pancheri Drive

    1930 ft · 43 sec · Pancheri Drive

  12. 12

    Continue on West 17th Street

    3067 ft · 58 sec · West 17th Street

  13. 13

    Turn right onto South Boulevard

    1.6 km · 3 min · South Boulevard

  14. 14

    Continue on Stonebrook Lane

    142 m · 15 sec · Stonebrook Lane

  15. 15

    Turn right onto West Stone Run Lane

    74 m · 16 sec · West Stone Run Lane

  16. 16

    Turn left onto Charleston Lane

    46 m · 7 sec · Charleston Lane

  17. 17

    Arrive at your destination

    0 m · 1 sec · Charleston Lane

Car Route Details

A richer read on the saved driving route between Bonners Ferry and Idaho Falls.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
17 steps
8 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
3.2 / 100 mi
Decision points by distance
Main Roads
I 15 South
198 mi · 37%
Main Street
75.7 mi · 14%
South Boulevard
0.99 mi
South Utah Avenue
0.63 mi
West 17th Street
0.58 mi
West Broadway Street
0.41 mi
Longest Stretch

Longest stretch

Turn left

278 mi · 04h 40m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
08h 33m
Overnight route
Same-Day Return
17h 08m
Round-trip wheel time
Road vs Air
+114.3 mi
415.1 mi direct line
Halfway Stop
Salmon
04h 16m from Bonners Ferry
Leave By
6:52 PM PDT
Overnight-style route
Weather Watch

Chance Rain Showers leaving Bonners Ferry and Slight Chance Light Rain then Mostly Sunny near Idaho Falls.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Bonners Ferry to Idaho Falls?

The road trip is about 529.4 miles (852 km) and usually takes 08h 33m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Salmon is a useful midpoint, sitting about 277.6 miles from Bonners Ferry and 251.8 miles from Idaho Falls.

How much longer is the road route than the straight-line distance?

The direct path is about 415.1 miles (668 km), while the road route adds roughly 114.3 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 6:00 AM to 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $72.72 one way or $145.44 round trip. Estimated CO2 is about 166 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Bonners Ferry and Idaho Falls, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Bonners Ferry and Slight Chance Light Rain then Mostly Sunny near Idaho Falls.

Flight Path Map

This map shows the direct air route between Bonners Ferry and Idaho Falls. Straight-line distance: 415.09 mi (668.03 km).

Bonners Ferry

#1 Bonners Ferry

City in Idaho

Population2,637
Coordinates48.6913300, -116.3163100
Altitude578
CountryUnited States
Idaho Falls

#2 Idaho Falls

The most populous city in Bonneville County, Idaho.

Population62,888
Coordinates43.4665800, -112.0341400
Altitude1434
CountryUnited States
Start: Main Street (-116.316349, 48.691363)
End: Charleston Lane (-112.034479, 43.46658)

Estimated Travel Time

Distance: 852 km by road

SpeedTime
30 mph (48.3 km/h)17h 38m
40 mph (64.37 km/h)13h 14m
50 mph (80.47 km/h)10h 35m
60 mph (96.56 km/h)08h 49m
70 mph (112.65 km/h)07h 33m
80 mph (129 km/h)06h 36m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
18.68 gal
70.71 L · about $72.72
Round trip
$145.44
37.36 gal · 141.42 L
Estimated CO2
166 kg one way
Round trip: 332 kg / 732 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $72.72 $145.44
Mid-grade $4.23 $79.04 $158.07
Premium $4.55 $84.98 $169.95
Diesel $5.41 $101.10 $202.19

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Idaho · May 31, 2026

Please keep in mind that there is a 1 hour time gap between Bonners Ferry, ID and Idaho Falls, ID. The current time in Bonners Ferry is 04:09:58, although it is 05:09:58 in Idaho Falls.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.