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Flights from Washington D.C. to Idaho Falls
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Flights from Washington D.C. to Idaho Falls Starting at €171

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • IAD07:00
        10h 30m
        1 stop
        IDA15:30
        Tue, Mar 11|Washington D.C. - Idaho Falls|Alaska Airlines
        €171€289
        41% OFF
        41% OFF
        €289€171

        Choose Alaska Airlines flights from Washington D.C. to Idaho Falls. The one-way connecting flight with Alaska Airlines departs from Dulles International Airport on Tue, Mar 11, arriving at Idaho Falls Regional Airport. One-way Prices start from €171 including taxes and charges.

      • IAD07:35
        6h 53m
        1 stop
        IDA12:28
        Tue, Mar 11|Washington D.C. - Idaho Falls|Delta Air Lines
        €174€289
        40% OFF
        40% OFF
        €289€174

        Choose Delta Air Lines flights from Washington D.C. to Idaho Falls. The one-way connecting flight with Delta Air Lines departs from Dulles International Airport on Tue, Mar 11, arriving at Idaho Falls Regional Airport. One-way Prices start from €174 including taxes and charges.

      • DCA07:00
        8h 27m
        1 stop
        IDA13:27
        Tue, Mar 11|Washington D.C. - Idaho Falls|Frontier Airlines
        €184€289
        36% OFF
        36% OFF
        €289€184

        Choose Frontier Airlines flights from Washington D.C. to Idaho Falls. The one-way connecting flight with Frontier Airlines departs from Ronald Reagan Washington National Airport on Tue, Mar 11, arriving at Idaho Falls Regional Airport. One-way Prices start from €184 including taxes and charges.

      • DCA17:10
        7h 28m
        1 stop
        IDA22:38
        Mon, Mar 24|Washington D.C. - Idaho Falls|Delta Air Lines
        €186
        €186

        Choose Delta Air Lines flights from Washington D.C. to Idaho Falls. The one-way connecting flight with Delta Air Lines departs from Ronald Reagan Washington National Airport on Mon, Mar 24, arriving at Idaho Falls Regional Airport. One-way Prices start from €186 including taxes and charges.

      • DCA07:00
        10h 25m
        1 stop
        IDA15:25
        Sat, Apr 26|Washington D.C. - Idaho Falls|Frontier Airlines
        €199
        €199

        Choose Frontier Airlines flights from Washington D.C. to Idaho Falls. The one-way connecting flight with Frontier Airlines departs from Ronald Reagan Washington National Airport on Sat, Apr 26, arriving at Idaho Falls Regional Airport. One-way Prices start from €199 including taxes and charges.

      • IAD08:30
        7h
        1 stop
        IDA13:30
        Sat, Apr 26|Washington D.C. - Idaho Falls|United Airlines
        €213
        €213

        Choose United Airlines flights from Washington D.C. to Idaho Falls. The one-way connecting flight with United Airlines departs from Dulles International Airport on Sat, Apr 26, arriving at Idaho Falls Regional Airport. One-way Prices start from €213 including taxes and charges.

      • DCA13:03
        22h 31m
        1 stop
        IDA09:34
        Sun, Mar 9|Washington D.C. - Idaho Falls|Frontier Airlines
        €214
        €214

        Choose Frontier Airlines flights from Washington D.C. to Idaho Falls. The one-way connecting flight with Frontier Airlines departs from Ronald Reagan Washington National Airport on Sun, Mar 9, arriving at Idaho Falls Regional Airport. One-way Prices start from €214 including taxes and charges.

      • DCA16:13
        6h 53m
        1 stop
        IDA21:06
        Tue, Mar 11|Washington D.C. - Idaho Falls|United Airlines
        €214
        €214

        Choose United Airlines flights from Washington D.C. to Idaho Falls. The one-way connecting flight with United Airlines departs from Ronald Reagan Washington National Airport on Tue, Mar 11, arriving at Idaho Falls Regional Airport. One-way Prices start from €214 including taxes and charges.

      • DCA05:00
        9h 28m
        1 stop
        IDA12:28
        Tue, Mar 11|Washington D.C. - Idaho Falls|American Airlines
        €216
        €216

        Choose American Airlines flights from Washington D.C. to Idaho Falls. The one-way connecting flight with American Airlines departs from Ronald Reagan Washington National Airport on Tue, Mar 11, arriving at Idaho Falls Regional Airport. One-way Prices start from €216 including taxes and charges.

      • IAD07:00
        17h 36m
        1 stop
        IDA22:36
        Sun, Mar 9|Washington D.C. - Idaho Falls|Alaska Airlines
        €224
        €224

        Choose Alaska Airlines flights from Washington D.C. to Idaho Falls. The one-way connecting flight with Alaska Airlines departs from Dulles International Airport on Sun, Mar 9, arriving at Idaho Falls Regional Airport. One-way Prices start from €224 including taxes and charges.

      • WAS01:00 pm
        3h 5m
        Nonstop
        IDA02:00 pm
        Sun, Feb 23|Washington D.C. - Idaho Falls|Alaska Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Washington D.C. to Idaho Falls flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA2007

    American Airlines

    05:00

    DCA

    3.6h

    07:39

    DFW

    SMTWTFS
    Search

  2. AA6262

    American Airlines

    10:15

    DFW

    3.2h

    12:28

    IDA

    SMTWTFS

  3. AA2617

    American Airlines

    06:18

    IAD

    3.5h

    08:49

    DFW

    SMTWTFS
    Search

  4. AA6262

    American Airlines

    10:15

    DFW

    3.2h

    12:28

    IDA

    SMTWTFS

  5. F9685

    Frontier Airlines

    07:00

    DCA

    4.0h

    09:02

    DEN

    SMTWTFS
    Search

  6. UA4701

    United Airlines

    14:05

    DEN

    1.8h

    15:53

    IDA

    SMTWTFS

  7. AS308

    Alaska Airlines

    07:00

    IAD

    5.7h

    09:40

    SEA

    SMTWTFS
    Search

  8. AS2018

    Alaska Airlines

    12:52

    SEA

    1.8h

    15:40

    IDA

    SMTWTFS

  9. F9685

    Frontier Airlines

    07:00

    DCA

    4.0h

    09:02

    DEN

    SMTWTFS
    Search

  10. UA5656

    United Airlines

    11:45

    DEN

    1.7h

    13:29

    IDA

    SMTWTFS

  11. DL432

    Delta Air Lines

    07:30

    IAD

    4.8h

    10:18

    SLC

    SMTWTFS
    Search

  12. DL3944

    Delta Air Lines

    11:20

    SLC

    1.1h

    12:25

    IDA

    SMTWTFS

  13. AS001

    Alaska Airlines

    08:00

    DCA

    5.7h

    10:39

    SEA

    SMTWTFS
    Search

  14. AS2018

    Alaska Airlines

    12:52

    SEA

    1.8h

    15:40

    IDA

    SMTWTFS

  15. DL5229

    Delta Air Lines

    10:00

    DCA

    1.7h

    11:40

    CVG

    SMTWTFS
    Search

  16. DL2149

    Delta Air Lines

    17:45

    CVG

    4.0h

    19:42

    SLC

    SMTWTFS

  17. DL2608

    Delta Air Lines

    21:15

    SLC

    1.0h

    22:14

    IDA

    SMTWTFS

  18. DL820

    Delta Air Lines

    17:15

    DCA

    5.0h

    20:14

    SLC

    SMTWTFS
    Search

  19. DL2608

    Delta Air Lines

    21:15

    SLC

    1.0h

    22:14

    IDA

    SMTWTFS

  20. AS351

    Alaska Airlines

    18:15

    IAD

    5.8h

    21:00

    SEA

    SMTWTFS
    Search

  21. AS2018

    Alaska Airlines

    12:52

    SEA

    1.8h

    15:40

    IDA

    SMTWTFS
Find more flights and airlines

Find the best time to fly from Washington D.C. to Idaho Falls

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • When are flight tickets from Washington D.C. (WAS) to Idaho Falls (IDA) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to Idaho Falls based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Washington D.C. (WAS) to Idaho Falls (IDA) cost?

    According to Trip.com's data, the lowest price is around €501.

  • What is the transportation method from the main airport to downtown in Idaho Falls?

    • The distance from Idaho Falls Regional Airport to downtown is about 3 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Washington D.C. to Idaho Falls

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to Idaho Falls. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Washington D.C. to Idaho Falls

Cheapest nonstop flight price€170
Off-season for travelMarch
Peak season for travelNovember
Flight distance2,953.83 km
Popular airlineAmerican Airlines

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