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Cheap flights from Rhode Island to Idaho Falls from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rhode Island to Idaho Falls departing on 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Rhode Island to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:00 am - 4:43 pm
BOS
-
IDA
11h 43m
1 stop
Alaska Airlines Logo
5:20 pm - 6:54 am
IDA
-
BOS
11h 34m
1 stop
$303Alaska Airlines
Thu, Mar 12 - Tue, Mar 17
Delta Logo
4:50 pm - 10:40 pm
BOS
-
IDA
7h 50m
1 stop
Delta Logo
6:54 pm - 6:21 am
IDA
-
BOS
9h 27m
1 stop
$329Delta
Sat, May 2 - Sat, May 9
Alaska Airlines Logo
9:02 am - 11:36 pm
BOS
-
IDA
16h 34m
1 stop
Alaska Airlines Logo
5:20 pm - 6:54 am
IDA
-
BOS
11h 34m
1 stop
$350Alaska Airlines
Wed, Mar 11 - Tue, Mar 17
Alaska Airlines Logo
7:00 am - 4:43 pm
BOS
-
IDA
11h 43m
1 stop
Alaska Airlines Logo
5:20 pm - 11:59 pm
IDA
-
BOS
28h 39m
1 stop
$376Alaska Airlines
Thu, Mar 12 - Tue, Mar 17
Alaska Airlines Logo
5:44 pm - 4:43 pm
BOS
-
IDA
24h 59m
2 stops
Alaska Airlines Logo
5:20 pm - 6:54 am
IDA
-
BOS
11h 34m
1 stop
$377Alaska Airlines
Wed, Mar 11 - Tue, Mar 17
Alaska Airlines Logo
6:24 pm - 4:43 pm
BOS
-
IDA
24h 19m
1 stop
Alaska Airlines Logo
5:20 pm - 5:53 am
IDA
-
BOS
34h 33m
2 stops
$381Alaska Airlines
Wed, Mar 11 - Tue, Mar 17
Alaska Airlines Logo
9:02 am - 11:36 pm
BOS
-
IDA
16h 34m
1 stop
Alaska Airlines Logo
5:20 pm - 6:54 am
IDA
-
BOS
11h 34m
1 stop
$383Alaska Airlines
Tue, Mar 10 - Tue, Mar 17
American Airlines Logo
6:22 am - 1:13 pm
BOS
-
IDA
8h 51m
1 stop
American Airlines Logo
12:41 pm - 10:26 am
IDA
-
BOS
19h 45m
1 stop
$393American Airlines
Wed, May 27 - Tue, Jun 2
Delta Logo
4:50 pm - 10:40 pm
BOS
-
IDA
7h 50m
1 stop
Delta Logo
6:54 pm - 6:21 am
IDA
-
BOS
9h 27m
1 stop
$400Delta
Sat, May 2 - Wed, May 13
United Airlines Logo
6:00 am - 3:39 pm
PVD
-
IDA
11h 39m
2 stops
United Airlines Logo
10:40 am - 12:49 am
IDA
-
PVD
12h 09m
2 stops
$623United Airlines
Wed, May 27 - Tue, Jun 2

American Airlines flights from Rhode Island to Idaho Falls

Our best American Airlines deals on Rhode Island to Idaho Falls flight tickets
American Airlines
May 27
BOS6:22 amBoston Logan Intl
8h 51m
1 stop
IDA1:13 pmIdaho Falls Fanning Field
Jun 2
IDA12:41 pmIdaho Falls Fanning Field
19h 45m
1 stop
BOS10:26 amBoston Logan Intl
$393
American Airlines
Mar 11
BOS11:55 amBoston Logan Intl
13h 29m
2 stops
IDA11:24 pmIdaho Falls Fanning Field
Mar 17
IDA6:05 amIdaho Falls Fanning Field
12h 55m
2 stops
BOS9:00 pmBoston Logan Intl
$481
American Airlines
May 5
BOS3:59 pmBoston Logan Intl
23h 14m
2 stops
IDA1:13 pmIdaho Falls Fanning Field
May 9
IDA7:48 amIdaho Falls Fanning Field
11h 13m
2 stops
BOS9:01 pmBoston Logan Intl
$498

United Airlines flights from Rhode Island to Idaho Falls

Our best United Airlines deals on Rhode Island to Idaho Falls flight tickets
United Airlines
Mar 10
BOS7:00 amBoston Logan Intl
8h 30m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
Mar 18
IDA2:35 pmIdaho Falls Fanning Field
7h 18m
1 stop
BOS11:53 pmBoston Logan Intl
$409
United Airlines
Mar 10
BOS6:00 amBoston Logan Intl
9h 30m
2 stops
IDA1:30 pmIdaho Falls Fanning Field
Mar 18
IDA6:36 amIdaho Falls Fanning Field
13h 05m
2 stops
BOS9:41 pmBoston Logan Intl
$419
United Airlines
Mar 12
BOS7:00 amBoston Logan Intl
8h 30m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
Mar 18
IDA2:35 pmIdaho Falls Fanning Field
7h 18m
1 stop
BOS11:53 pmBoston Logan Intl
$430

momondo Fare Finder

 
Customize your flight search to find flights from Rhode Island to Idaho Falls 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, momondo users made 832,500 searches. Data last updated February 6, 2026.
Use the filters below to find and compare flights from Rhode Island to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Thu 3/12

7:00 am-4:43 pm

1 stop11h 43m

Idaho Falls Fanning Field

Tue 3/17

5:20 pm-6:54 am

1 stop11h 34m

$303

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 5/2

4:50 pm-10:40 pm

1 stop7h 50m

Idaho Falls Fanning Field

Sat 5/9

6:54 pm-6:21 am

1 stop9h 27m

$329

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 3/11

9:02 am-11:36 pm

1 stop16h 34m

Idaho Falls Fanning Field

Tue 3/17

5:20 pm-6:54 am

1 stop11h 34m

$350

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Thu 3/12

7:00 am-4:43 pm

1 stop11h 43m

Idaho Falls Fanning Field

Tue 3/17

5:20 pm-11:59 pm

1 stop28h 39m

$376

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 3/11

5:44 pm-4:43 pm

2 stops24h 59m

Idaho Falls Fanning Field

Tue 3/17

5:20 pm-6:54 am

1 stop11h 34m

$377

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 3/11

6:24 pm-4:43 pm

1 stop24h 19m

Idaho Falls Fanning Field

Tue 3/17

5:20 pm-5:53 am

2 stops34h 33m

$381

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Tue 3/10

9:02 am-11:36 pm

1 stop16h 34m

Idaho Falls Fanning Field

Tue 3/17

5:20 pm-6:54 am

1 stop11h 34m

$383

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Wed 5/27

6:22 am-1:13 pm

1 stop8h 51m

Idaho Falls Fanning Field

Tue 6/2

12:41 pm-10:26 am

1 stop19h 45m

$393

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Sat 5/2

4:50 pm-10:40 pm

1 stop7h 50m

Idaho Falls Fanning Field

Wed 5/13

6:54 pm-6:21 am

1 stop9h 27m

$400

ProvidenceIdaho Falls

PVD - IDA

PVDIDA

Providence-TFGreen

Wed 5/27

6:00 am-3:39 pm

2 stops11h 39m

Idaho Falls Fanning Field

Tue 6/2

10:40 am-12:49 am

2 stops12h 09m

$623

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Rhode Island to Idaho Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $442.

Cheap Rhode Island to Idaho Falls flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rhode Island to Idaho Falls

Fastest flight time

7h 35m

Direct flights

None
The fastest flight from Rhode Island to Idaho Falls takes 7h 35m
There are no direct flights from Rhode Island to Idaho Falls. There are no popular flight routes from Rhode Island to Idaho Falls.
Search flight deals

  • When did momondo last update prices for flights from Rhode Island to Idaho Falls Fanning Field Airport?

    Prices for flights from Rhode Island to Idaho Falls Fanning Field Airport are updated daily.

  • How many operators does momondo search for flights from Rhode Island to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Rhode Island to Idaho Falls Fanning Field Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rhode Island to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

Why should I use momondo to find a flight deal from Rhode Island to Idaho Falls?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rhode Island to Idaho Falls. momondo saves you time and could save you money on your trip.

Can I find flights from Rhode Island to Idaho Falls with flexible booking policies on momondo?

Yes. All flights to Idaho Falls from Rhode Island on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Rhode Island to Idaho Falls?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Rhode Island to Idaho Falls.

I’m not ready to book a flight from Rhode Island to Idaho Falls right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Rhode Island to Idaho Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho Falls and let you know when they change.

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