Find cheap flights from Idaho Falls to Washington Dulles Airport

IDA - IAD

Find cheap flights from Idaho Falls to Washington Dulles Airport

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Idaho Falls (IDA)
Washington Dulles Intl
Fri 2/26
Fri 3/5
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Good to know

Low season

July Best time to beat the crowds with an average 36% drop in price.

High season

December Most popular time to fly with an average 39% increase in price.

Average price round-trip

$475 (avg. price over the last 2 weeks)

Good deal round-trip

$503 or less

Good deal one-way

$299 or less

When to book flights from Idaho Falls to Washington Dulles Intl

Estimated round-trip price
Average price per month

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $299 or less one-way and $503 or less round-trip.
  • High season is considered to be November, December and January. The cheapest month to fly is July.
  • Morning departure is around 17% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

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Top 3 airlines serving Idaho Falls Fanning Field to Washington Dulles Intl

Scores according to KAYAK customer reviews

7.9
Delta
Overall score based on 29,018 reviews
8.1
Boarding
7.8
Comfort
8.5
Crew
7.8
Entertainment
7.5
Food
Airline reviews

Cons: "More cramped seats than Southwest."

Pros: "Nassau security line was quick. US Customs line was quick."
Cons: "The Delta line to drop my bags was long and unorganized. The ticket agents were moving in slow motion. I waited over an hour to drop my bag. I thought I was going to miss my flight."

Pros: "The crew and entertainment options are great. Relatively comfortable seats by today's standards."
Cons: "Literally any of our flights could have been on time. None were."

Cons: "The flight was more than 4 hours late making us miss our connections"

Pros: "Pilot and staff were informative and great"
Cons: "I was forced to upgrade to first class by Air France stuff in Athens which they Deceive me not telling me that the first class was not for the entire trip to JFK! If I was informed I would not spend the extra money to flight on an economy “seat” which was not comfy seats for the entire trip"

Cons: "The flight was delayed over two hours"

Pros: "comfort plus really makes a difference"
Cons: "include at least 1 checked back with comfort plus or some kind of discount."

Pros: "Information communicated about delays."
Cons: "- more communication (any!) about bag status when landed - flight delay due to too many/too heavy baggage. Long delay was said to be due to making sure our baggage would accompany destination. Upon arrival, bag was left in NYC but this wasn't communicated. No info on bag status at airport or via ema"

Cons: "First class seats were too close together. It was very difficult to get out of you seat into the aisle. Food was not what it should have been for 1st class There was no wall between 1st class and coach giving little privacy when I worked my laptop. it was in direct view of the middle seat in coach"

Pros: "Very good"
Cons: "Seat assignments should have be provided at check in."

Pros: "The crew was dealing with NOVA/DC residents"

Pros: "Coming from Europe Alitalia and Delta did an EXCELLENT job at assisting the passengers get rid of their luggage just as soon as we were done going through customs... I don't usually fly on this route, but I thought it was perfect. Transfer between Delta terminal was a breeze too..."
Cons: "I usually don't fly from JFK. The food court was expensive (18 dollars base price from a burger seems a high even for an airport. I don't fly from NY normally - so maybe I need to tune my expectation for the locale, and it may have NOTHING to do with the airline company."

Pros: "Lots of in flightentertainment options"

Pros: "How does one describe spending 10+ hours in a metal tube approximately 18 feet wide at 30,000 feet with 300 of your closest friends breathing the same air while having the seat in front of you pushed back so you cannot adequately see the passenger monitor because it's too close to focus on as your knees are under your chin? Flying in "steerage" is not comfortable as humans get larger and airplane seats get squeezed smaller. Please unsqueeze! Cabin crew members were excellent. Other than that, Europe was great!"
Cons: "See other side."

Pros: "The service is very good from the beginning. The flight attendant is very caring thanks so much."

Cons: "The aircraft is too old, MD-88. I don't know how Delta is flying that type of aircraft. Is very risky"

Pros: "Another safe flight. Crew was very attentive."

Cons: "Flight cancelled due to weather that was never bad but on the potential of bad weather. Had to scramble so my 18 year old son was not stranded overnight in a strange place and Delta does not help. Only rebooked a flight itinerary for the next day for a 4 hour flight with connections on a 1 hour direct flight. Spent an hour on line to figure out what to do. #neverdelta"

Pros: "Nothing"
Cons: "Plane delayed 4 times for a total of 4 hours"

Pros: "The flight for getting us therw"
Cons: "No food and no entertainment"

Pros: "How nice and gentle they were."
Cons: "Long waiting lines."

Cons: "Stood by as people blocked aisle during boarding, making snide comments. Instead, the two should have assisted & encouraged the passengers to step out of the aisle & move along. Was very cold hit call light fir blanket. No response for 10 min so went to the bs k of plane where the crew was chatting & eating. When I asked about blanket, they didn’t look fir any & said they didn’t have any unopened. Upon leaving big plane, I saw a stack of about 5 packaged blankets in the front. Just rude & lazy older crew. Time for a different job fir them"

Pros: "Late. Poor communication. Crying kids"

Cons: "The flight was delayed for 4 hours."

Pros: "Beautiful plane, great entertainment system, two bathrooms for economy class, decent food"

Pros: "It was on time. Flight attendants were courteous. There were snacks."

Pros: "Excellent leg room. Comfy seat"
Cons: "Seat couldn't recline back. Was a little uncomfortable for a long flight. Chair had crumbs on it before I sat down-it was easily wiped away meaning no one had cleaned the chairs or looked at them beforehand. Absolutely freezing. Wearing long socks and boots and my feet still felt frozen by the end."

Pros: "The crew was friendly, relaxed, made everything seem like a breeze"

Pros: "on-time and quick boarding times"
Cons: "Waiting too long before take off with no circulation of cool air"

Pros: "Flight is what we have come to think of as okay because nothing hurts"

Pros: "I'll chalk it up to the insanely high travel demands coincident with Labor Day."

Pros: "I could be wrong, but the seats were very comfortable (for a plane) and I felt my knees weren't as close to the seat in front of me than other airlines. So that's a plus."

Pros: "Comfortable flight, ample leg room, and the chairs were pretty plush. Comfort+ is pretty nice"
Cons: "On my first flight they forgot to turn the wifi on. I have unlim data but obviously can't use while in air; no big though."

Pros: "flight attendants were great."
Cons: "not enough leg room and space. The business class should be at the minimum for economy."

Cons: "Connecting already departed. Scheduled on the next flight."

Pros: "we got there"
Cons: "not much to like. a 55 minute delay from a small airport to the hub is going to cause you to miss your connection. Sure enough I missed my flight home and got to spend 41/2 hours in Detroit. They said it was a weather delay. But folks getting off the plane said it was a crew problem."

Pros: "The crew was polite and friendly"
Cons: "My second plane had sooo much moisture coming from the cooling system it looked like the passengers were getting gased and I kept getting wet from water condensation falling on me in a window seat as I tried to sleep from having such an early flight to begin with only to be told it's delayed 3 hrs without explanation."

Pros: "Everything went smoothly boarding etc."
Cons: "Because of packed flight many of us had to check our luggage. Not horrible, but slightly annoying. As well as taking a long time to de-plane."

Pros: "Good seats."

Pros: "Free drinks in Comfort+"

Pros: "The crew was incredibly helpful assisting my last minute boarding needs. Staff was friendly and polite."

Pros: "On time"
Cons: "No entertainment Small overhead bind"

Pros: "Given an upgrade to comfort seats for taking a bump was a nice plus. Pilot kept us informed o flight arrival and times."
Cons: "Gate attendee wasn't very cheerful, felt like I was being a bother when asking questions. Stewards on the flight were not very social either."

Cons: "See above description"

Cons: "I like the AirFrance seats more than I like the Delta seats. AirFranxe has better entertainment too."

Pros: "Flight attendants were great."
Cons: "Movie and TV selection is not great for an international flight."

Pros: "Comfort with entertainment."
Cons: "No food options at all."

Cons: "Reasonable price"

Cons: "For some reason I had to get my seat at the gate and waste extra time for it"

Pros: "movies"
Cons: "snacks provided"

Cons: "Boarding is so disorganized. Really Group 9 is just a way to make the passengers wish they had chosen a different airline."

Pros: "Flight was not over crowded, allowing for proper social distancing! That is MUCH appreciated. Crew was wonderful."
Cons: "The couple in front of me got in a physical altercation as well as the couple seated behind me. Both situations caused much discomfort and could have been defused faster by flight crew"

Pros: "The employees were friendly and helpful."
Cons: "We haven't made it to Rochester as intended. It is covid time and our flight had mechanical difficulties. The airlines has provided vouchers for hotel and dinner."

Pros: "Great food, nice cabin"
Cons: "Legroom bad, seats hard"

Pros: "Arrived alive, didn’t sleep in the Charlotte airport like last flight. didn’t lose a bag....didn’t check one, learned that lesson before"
Cons: "WiFi did’t work. Boarding the end of the terminal/gate was a mess. Crew was late, so flight was late. Packed in like sardines....normal American Airlines."

Cons: "We landed early and had to wait 45 min on the runway."

Pros: "Nice company on plane. Most crew members were nice. Very good with disabled mom."

Cons: "Paid for First Class so I could sleep on this red-eye. Wasted my money. Seat was uncomfortable, legroom in my bulkhead seat was horrible. I can sleep anywhere...make that ALMOST anywhere, now."

Cons: "There was a three hour delay for missing crew."

Pros: "Drink service- Dr Pepper. Clean bathroom."
Cons: "The seat was very hard but I was sitting in economy."

Cons: "Caught an earlier flight and the entire team made the process seamless."

Pros: "It’s not like it used to be. U S based airlines lag behind their European and Asian counterparts"
Cons: "There’s always room for improvement. Too much to list here"

Pros: "many movies"

Pros: "None"
Cons: "The flight delayed several times, and the gate was changed. The plane is very old and no service at all (not even water during the 2 hours flight)!"

Pros: "Easy boarding crew were friendly food was hot"
Cons: "Seating was a pain to try and get 2 seats together even though I booked it months in advance very noisy rude people couldn't sleep on a supposed overnight am exhausted"

Cons: "in the airport, the gate area dirty!, bathrooms dirty, no place to charge phone. The walk to the airplane, getting aboard the plane after the gate and flight changed and delayed. Being told it was weather related on the plane and being told it was MAINTENANCE by customer service. The plane was very crowded, the flight attendants never smiled. WHen i told the attendant i was being "rained" on he said...i know its happening everywhere..... he said there was nothing he could do but get me paper towels...they never came. I was very annoyed getting off the plane walking back and forth....it was aweful. and my flight before this was no better i am VERY TURNED OFF BY AMERICAN AIRLINES RIGHT NOW."

Pros: "More Space between passengers. Would like not to be in constant contact with someone."
Cons: "There was no room."

Pros: "The crew were polite, accommodating and understanding"
Cons: "The gate was changed 1hr prior to boarding despite the arriving plane having landed 3hrs prior. So with stroller and infant in toe, I had to run to change terminals/buildings. There was no assistance or prior warning regarding this from the check in staff and I made it all the way to the original terminal and gate before having to turn around. The desk staff at the gate was asked about early boarding for infants and said it would be okay but didn’t give clear instructions on boarding so I sat down and they began boarding each group 20 minutes later and did not give priority to mother’s with infants. The stroller which I brought to the gate was then tagged incorrectly with a white tag instead of a pink tag. I was later told by he crew that it meant it would go directly to baggage claim instead of being brought to the door. According to the crew, all staff know to tag with a pink tag. At every step there was blatant display of inconsideration that made an already difficulty journey, that much more challenging."

Pros: "The on time departure and arrival"
Cons: "None"

Cons: "A fellow passenger used the restroom too late in the flight making us do anther circle around FWA. Oh well somebody couldn't hold it."

Pros: "Left and arrived more or less on time. No major issues."
Cons: "Gates are way too far apart in Miami and the golf carts to get between areas seem to require reservations and long waits. Ridiculous. Most MIA staff was very rude (this wasn't American's own staff, or TSA, I should note). American stripped my group of our seat assignments (which we had selected 6 months prior) without reason and with minimal apology. No solution offered. Got middle seats but luckily was able to switch on one of the computer kiosks. Flight crew didn't seem to care that other people moved to the for-pay seats further up front (the flight wasn't full)... so why did we lose our seat assignments and get grief with not being able to select anything good? Not impressed."

Pros: "Quick, efficient"

Pros: "The fact we arrived safely"
Cons: "Long time to claim baggage, three hours delay, uncomfortable seats"

Pros: "I liked arriving safely, although we were an hour and a half late"
Cons: "American switched pilots last minute, so all passengers sat waiting in our cramped seats for about 15 minutes while pilots got situated in the cockpit. Then it was discovered a preflight mechanical check hadn't been done. So we all sat for another HOUR waiting for the mechanics to arrive and do their work. The flight attendants were unpleasant and rude."

Pros: "I appreciated the interactive screen on the backseat, which provided me entertainment watching Doctor Who and playing Angry Birds. I also liked that the power outlet to charge my phone was more accessible on the backseat instead of below my seat, which is normally where I find it."
Cons: "I did not appreciate that there was a device mounted below 2 of the 3 backseats in my row. Those devices cut into at least a few inches of valuable room to store a carry-on bag. At worst, I've seen 1 seat have such a device, so it was quite disappointing to see 2 seats with them, including mine."

Pros: "Nothing"
Cons: "Although I should now be at my final destination, I still have 11 hrs of travel to go. My flights were changed three times. The first cancelation caused me to buy new tickets at a higher price I had originally purchased them at. We were redirected from Kayak to Vayamo and they have no sense of customer service. Horrible"

Pros: "Spacious aircraft for a relatively short flight. I usually take a smaller aircraft that requires us to check our luggage. I'm reconsidering where I will have layovers now."
Cons: "Nothing"

Cons: "Rude crew, no bathroom useage for entire flight and staff would not help handicap with luggage."

Pros: "Nothing, the worse experience I've ever had on a flight from the US Never AA again!!"
Cons: "Unprofessional crew!! The safety instruction was a mess, first it was on the big screen, totally black, only sound, then the crew started a discussion in the ail if the would do the safety instructions yes or no...in the end they did it without explanation what the were doing and in 2 minutes. Al three of them just did something. Rude and chewing gum crew, the dropped a salad bowl but not one of them was thinking about cleaning it up. The entire flight everybody walked over it in to the carpet. Friendlynes and service are two words that does not apply to this crew. From the first flight till the last flight AA made a mess out of it. Canceled our flight in JFK, no help or service, you are on your own when AA cancels a flight, after rebooking our flight we had a 7 hour stopover at Dallas, again no service, no voucher, no nothing. Then today with our return flight AA could not find our ticket numbers, turns out that when they rebooked our inbound flight they forgot to take over the return flight...cost us 2 hours and 10 minutes to check in at LGA Never, ever again with AA, even easyJet provides better service then AA does on intercontinental flight!"

Pros: "The spaciousness of the seating on AA is tops bar none"
Cons: "The cookies and it was cold. Jesse"

Pros: "I think they were holding the plane for a connection flight arrival."

Pros: "Boarding was simple"
Cons: "For my whole three hour flight a child kicked my chair, i asked the mother politely if she could get her to stop. the woman didn't even apologize and the kicking continued for three hours."

Pros: "Being able to see movies for free was a real plus since the flight from Australia to Wash.DC is so long."
Cons: "Everything OK."

Pros: "Had row all to myself--that's a rarity"
Cons: "1hr departure delay"

Pros: "Older aircraft, seat cushion was on its last legs regarding comfort as I sunk to the frame of the seat. No onboard entertainment on the headrest as compared with our outgoing flight."
Cons: "The seat discomfort and the lack of entertainment."

Pros: "- The boarding process went very fast and smooth for such a packed plane."
Cons: "- food was HORRIBLE. I asked for the chicken dinner and it was COLD and disgusting. There should always be a pasta option on a flight. Also, they ran out of red wine before dinner. - the staff skipped over me TWICE when handing out beverages. I had to remind them that I existed twice and they didn't apologize for skipping over me."

Cons: "Significantly late & rude, as usual."

Pros: "Clean, friendly staff, great baggage tracking. Smooth flight."
Cons: "Overcrowded, but that's the same no matter where. Usual rude frequent fliers, who also usually take up all the overhead space."

Pros: "Getting off of that plane."
Cons: "I understand delays happen and are sometimes out of your control. However, customer service is something that you can, should, and must control. I witnessed a lack of self control of the American employees (including a Supervisor) and every point of my trip w/your customers. I was embarrassed for the American executive team."

Pros: "Much more legroom on this flight, even though it was a smaller aircraft."
Cons: "Gate agent seemed a bit overwhelmed. Helpful, but not overly friendly. In stark contrast to my earlier flight from Charlotte to Memphis, where the gentleman was extremely pleasant and cheerful."

Cons: "There was a problem which they could repair before the flight. We were in the plain on ground for 2 hours delay, not even offered a drink, we saw the crew drink. The service was bad, they treated the passengers with terrible disrespect. Very frustrating and disappointing !!!!"

Cons: "I lost this flight! They were supposed to give me a hotel and a flight the next morning, but I couldn't be late so I had to manage myself and pay a lot more to travel with a taxi to Greenville !!!"

Cons: "There was no one at the gate to keep us updated about the flight delay"

Pros: "Timeliness"
Cons: "Nothing"

Pros: "once I made it on it was smooth"
Cons: "plane in cos had to refuel so we were 20 late leaving and I bearly made it to next flight in dallas they were closing doors, young people ran but im old so could not move as fast, it was a challenge to not miss flight"

Pros: "Timing and transit time was excellent"

Pros: "The flight board on time, the crew was hospitable and seat was comfortable."

Pros: "I liked that it was on time and that I was a safe flight. The people at the checking counter were nice and helpful."

Pros: "Nothing"
Cons: "Wait 4 hours for a delay flight"

Pros: "Friendly staff"
Cons: "extremely limited legroom (worst that other airlines)"

Pros: "The check in process"
Cons: "See above"

Pros: "Multiple passengers were assigned the same seats so we had to do some shuffling once everyone had boarded. There were however enough seats for everyone."
Cons: "The staff was very pleasant and professional."

Cons: "Terrible position of the seat. In between bathrooms and crying kids when I had requested the exact opposite. Food was awful. I had a vegetarian meal."

Pros: "Not much, the first class meal amenities were good"
Cons: "This was obviously an older plane and it showed, the seats were the worst, old and couldn't adjust the headrests and just uncomfortable, the only good part was there were only two seats to a row"

Pros: "Free paid attention to details. I was given a vegetarian snack when the one provided had run out."
Cons: "Could not book a seat next to my wife and I had tried weeks before."

Cons: "can't believe you still have those low quality touch screens. they are very non-touch sensitive, and don't respond well to attempted touch commands."

Cons: "Had to pay for movies and snacks."

Pros: "That i got there safely"
Cons: "5 hour wait time NO FREE WIFI NO POWER OUTLETS"

Cons: "Wifi access"

Pros: "That I FINALLY got home."
Cons: "Total snafu from start to finish."

Pros: "Rhe food"
Cons: "Custmer Service"

Pros: "Usual United Corp mentality Overbook flites change your itinary leave you stranded with no connection spend nite in airport"
Cons: "See above"

Pros: "Comfortable seats, the complimentary wine and beer, the service, the movies!"
Cons: "The flights was delayed, but it worked OK for our schedule this time."

Cons: "Still don't get the online seating. Got good seats without selecting in advance even though they overly encourage you to pay for a premium seat or indicate the only seats remaining are the worst possible on the plane. Really don't like this internal policy."

Cons: "What did I like?"

Pros: "Nothig"
Cons: "Everything, TSA agent said my guess is as good as his when and if we are leaving I was upset at that kind of response. Never will use united ariline agian."

Pros: "Professionalisam, friendliness and smiles of United stewards."
Cons: "We weren't accommodated when asked to be seated next to each other."

Pros: "The service was amazing."
Cons: "It was a bit difficult to navigate my way in Munich but the staff was helpful. I would suggest a 2 hour layover."

Pros: "Departure on time, arrival early! No problems at all."

Cons: "No internet."

Cons: "Uncomfortably warm!!"

Pros: "lots of good movie choices"
Cons: "touch screens didn't always work easily"

Pros: "It was spacious."
Cons: "No free Wi-Fi."

Pros: "Ahead of schedule arriving at IAD"

Cons: "Late."

Cons: "Plane seating was tight"

Cons: "Overall United airport staff were not helpful and not very apologetic for delays and missed connections"

Pros: "nice and easy boarding, good customer relations"

Pros: "No delays, everything went smooth"

Cons: "since I am short, the neck portion of the seat is uncomfortable."

Cons: "The plane wasn't very clean. And I might have liked another option besides a weird trail mix for a snack."

Pros: "Friendly"
Cons: "Everything was good"

Pros: "Nothing comes to mind other than dimmed cabin lights"
Cons: "My complaints will have no influence on United"

Cons: "I purchased a higher priced Lufthansa ticket for this trip, but service was provided by alternate carriers. Not happy about this"

Pros: "service is good."

Pros: "2 hrs late!"
Cons: "Everything"

Pros: "Timely and comfortable. Landed ahead of schedule"

Cons: "The small commuter planes used for the trip are not smooth rides at all. Very uncomfortable"

Pros: "Willing to drive to Charlottesville. Difficulty finding one way rental"
Cons: "Above"

Pros: "The professionalism of the airline stewardess says that's what I like the most"
Cons: "I really can't say that I truly would call something I didn't like"

Cons: "Almost everything at United is horrible,the space between chairs is a big joke is impossible to move , if you sit on back you probably don't have a choice for food or drink you have just the one nobody want"

Cons: "need to do pre assigned seating during the purchase of the tickets"

Cons: "The worst part was the new seats are the smallest ever. I could not sit without my knees jammed into the seat in front of me, and on both legs, Ithe seats were narrow that the people next to me and I were overlapping shoulders - that was a first. Unless its flights in the future are significantly advantageous, United's losing my business. It's not worth saving a few bucks to me to be so uncomfortable."

Pros: "United crews use to tell me you couldn't preboard with children but they must have changed that policy because they allowed it this time."
Cons: "They always ask a second time for the boarding pass after the first agent scans it. They should tell you to keep it out if they are going to review it a second time."

Pros: "Nothing"
Cons: "Late"

Pros: "Everything was fantastic"

Cons: "No snacks offered on the plane"

Pros: "The whole trip was easy and non dreadful"
Cons: "None"

Cons: "It was late boarding and landing. Our bags were sitting in the rain."

Read more about Delta
COVID-19 information

Safety measures for airlines flying from Idaho Falls Fanning Field to Washington Dulles Intl

Airlines flying from Idaho Falls Fanning Field to Washington Dulles Intl have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from Idaho Falls Fanning Field to Washington Dulles Intl

Mandatory masks

Masks required on board, masks provided on flights from Idaho Falls Fanning Field to Washington Dulles Intl

Social distancing seating

Middle seats unavailable to book on flights from Idaho Falls Fanning Field to Washington Dulles Intl

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Idaho Falls Fanning Field to Washington Dulles Intl

Book cheap flights from Idaho Falls to Washington Dulles Airport

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1 stop
United Airlines
8h 20m
IDA - IAD
7/23
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2 stops
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13h 06m
IDA - IAD
6/27
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1 stop
United Airlines
9h 33m
IDA - IAD
6/27
Sun
2 stops
American Airlines
14h 20m
IDA - IAD
7/23
Fri
3 stops
United Airlines
23h 31m
IDA - IAD
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