Title: $29 Cheap flights from Diagonal, IA - Expedia.com ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $29 Cheap flights from Diagonal, IA [View $29 flight on Sat, Mar 7, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:DSM,to:DEN,departure:3/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:28.98&airProductToken=AQowCi4IxnISBDE2NzcYw2Qgg2korYSHAzCqhYcDOEVAAFgBagRQQ18xcgdLMDdTWFM5EgoIARABGAEqAkY5GAEiBAgBEAEoAigDMA0) [Hotels in Diagonal](https://expedia.com/Diagonal-Hotels.d553248634983391970.Travel-Guide-Hotels)[Car Rentals in Diagonal](https://expedia.com/Car-Rentals-In-Diagonal.d553248634983391970.Car-Rental-Guide)[Diagonal Vacation Packages](https://expedia.com/Diagonal.d553248634983391970.Destination-Travel-Guides) ## Popular airlines from Diagonal - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NK.svg) Spirit Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Today's featured flight deals from Diagonal Nonstop Carry-on included Lower price than typical - Kansas City (MCI)Miami (MIA) Mon, Mar 23 Sat, Mar 28 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 4-day trip found 5 hours ago 55% less than typical $255 [](https://www.expedia.com/Flights-Search?leg1=from:MCI,to:MIA,departure:3/23/2026TANYT&leg2=from:MIA,to:MCI,departure:3/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-9393770701ee4a3a9ce56d523cd37dcd-2215-1-st-v5-sos-9393770701ee4a3a9ce56d523cd37dcd-2206-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAaKHv1yQAQGQAQCqAQcKA01DSRAAsgEHCgNNSUEQAA~AQozCjEIwYIBEgQ0MjQxGMxAIIwCKNe2iAMwk7iIAzhCQABYAWoFQkFTSUNyCE9WQUlYU0JYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw.AQpuCjUIxJgBEgQxMjQ5GIwCIOBcKPjoiAMw9-mIAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTQTVCQwo1CMSYARIEMjkwOBjgXCDMQCiu64gDMLDsiAM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWU0E1QkMSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB&medianPrice=751.00&displayPrice=254.58&src=dflp) - Kansas City (MCI)Miami (MIA) Mon, Mar 23 Sat, Mar 28 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 5-day trip found 5 hours ago 55% less than typical $255 [](https://www.expedia.com/Flights-Search?leg1=from:MCI,to:MIA,departure:3/23/2026TANYT&leg2=from:MIA,to:MCI,departure:3/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-7f49970dc2f74276ab0a13d5943ba1a0-1606-1-st-v5-sos-7f49970dc2f74276ab0a13d5943ba1a0-1598-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAZ6Hv1yqAQcKA01DSRAAsgEHCgNNSUEQAA~AQozCjEIwYIBEgQyODgwGMxAIIwCKNCxiAMwlLOIAzhCQABYAWoFQkFTSUNyCE9WQUlYU0JYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw.AQpuCjUIxJgBEgQxMzg2GIwCIOBcKOnuiAMw-e-IAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTQTVCQwo1CMSYARIEMjkxMRjgXCDMQCj48IgDMPjxiAM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWU0E1QkMSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB&medianPrice=751.00&displayPrice=254.58&src=dflp) - Kansas City (MCI)Miami (MIA) Wed, Mar 25 Sat, Mar 28 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 3-day trip found 1 hour ago 55% less than typical $242 [](https://www.expedia.com/Flights-Search?leg1=from:MCI,to:MIA,departure:3/25/2026TANYT&leg2=from:MIA,to:MCI,departure:3/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-98adcb0572284bdaadc0f0e939e11b03-1583-1-st-v5-sos-98adcb0572284bdaadc0f0e939e11b03-1517-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAZTyv1yqAQcKA01LQxAAsgEHCgNNSUEQAA~AQoyCjAIwYIBEgM3NzQYzEAgjAIomMeIAzDbyIgDOEJAAFgBagVCQVNJQ3IIT1dBTEtOQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL.AQpuCjUIxJgBEgQxMzg2GIwCIOBcKOnuiAMw-e-IAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTQTVCQwo1CMSYARIEMjkxMRjgXCDMQCj48IgDMPjxiAM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWU0E1QkMSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB&medianPrice=689.00&displayPrice=241.59&src=dflp) - Des Moines (DSM)Phoenix (PHX) Sat, Mar 28 Sat, Apr 4 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 6-day trip found 1 hour ago 60% less than typical $201 [](https://www.expedia.com/Flights-Search?leg1=from:DSM,to:PHX,departure:3/28/2026TANYT&leg2=from:PHX,to:DSM,departure:4/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-1441531a254e4966a73ae92afe97b788-879-1-st-v5-sos-1441531a254e4966a73ae92afe97b788-882-2~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAbX1v1yQARCQARCqAQcKA0RTTRAAsgEHCgNQSFgQAA~AQo0CjIIwYIBEgQzMTIwGMNkIO-5ASib74gDMNvwiAM4QkAAWAFqBUJBU0lDcghPV0FJSlNCWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs.AQoxCi8I15wBEgQxMzYyGO-5ASDDZCiPvYkDMK--iQM4REAAWAFqA1dHQXIHREROV1cyRhIKCAIQARgCKgJXThgBIgQIARABKAIoAygEMAE&medianPrice=698.00&displayPrice=201.00&src=dflp) - Des Moines (DSM)Phoenix (PHX) Sat, Mar 21 Sat, Mar 28 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 6-day trip found 6 hours ago 65% less than typical $189 [](https://www.expedia.com/Flights-Search?leg1=from:DSM,to:PHX,departure:3/21/2026TANYT&leg2=from:PHX,to:DSM,departure:3/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-4339c6e69acf44ef858f1ccd1c73777c-34-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBk-W-XKoBBwoDRFNNEACyAQcKA1BIWBAA~AQo0CjIIwYIBEgQyNjUxGMNkIO-5ASjQnogDMI-giAM4QkAAWAFqBUJBU0lDcghPVkFJSlNCWAo0CjIIwYIBEgQyNjUxGO-5ASDDZCja64gDMIftiAM4QkAAWAFqBUJBU0lDcghPV0FJSlNCWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs&medianPrice=688.00&displayPrice=188.79&src=dflp) - Des Moines (DSM)Phoenix (PHX) Sat, Mar 21 Sat, Mar 28 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 6-day trip found 6 hours ago 65% less than typical $189 [](https://www.expedia.com/Flights-Search?leg1=from:DSM,to:PHX,departure:3/21/2026TANYT&leg2=from:PHX,to:DSM,departure:3/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-809fb1e35a0743528235931eabfc1e8e-42-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBk-W-XKoBBwoDRFNNEACyAQcKA1BIWBAA~AQo0CjIIwYIBEgQzMTIwGMNkIO-5ASi7oIgDMPuhiAM4QkAAWAFqBUJBU0lDcghPVkFJSlNCWAo0CjIIwYIBEgQyNjUxGO-5ASDDZCja64gDMIftiAM4QkAAWAFqBUJBU0lDcghPV0FJSlNCWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs&medianPrice=688.00&displayPrice=188.79&src=dflp) - Kansas City (MCI)Las Vegas (LAS) Thu, Mar 26 Sun, Mar 29 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 3-day trip found 7 hours ago 25% less than typical $421 [](https://www.expedia.com/Flights-Search?leg1=from:MCI,to:LAS,departure:3/26/2026TANYT&leg2=from:LAS,to:MCI,departure:3/29/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-5bd1a337d1164f6ead9560ef4ea6bfb6-3149-1-st-v5-sos-5bd1a337d1164f6ead9560ef4ea6bfb6-3125-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAaTAvlyQAQCQAR6qAQcKA01DSRAAsgEHCgNMQVMQAA~AQowCi4I15wBEgM2OTcYzEAgi5ABKOXSiAMwo9SIAzhFQABYAWoDV0dBcgdFWk5WTjJGEgoIARABGAEqAldOGAEiBAgBEAEoAigDKAQwAQ.AQppCjMIwYIBEgQyMzkwGIuQASCjsQEogP6IAzCi_4gDOEJAAFgBagVCQVNJQ3IIRzBBV1pTQlgKMgjBggESBDMyNTQYo7EBIMxAKMCAiQMwp4GJAzhCQAFYAWoFQkFTSUNyCEcwQVdaU0JYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw&medianPrice=712.00&displayPrice=420.60&src=dflp) - Kansas City (MCI)Las Vegas (LAS) Fri, Mar 20 Mon, Mar 23 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 3-day trip found 15 hours ago 20% less than typical $410 [](https://www.expedia.com/Flights-Search?leg1=from:MCI,to:LAS,departure:3/20/2026TANYT&leg2=from:LAS,to:MCI,departure:3/23/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-75f9ea1e09d7499a9c5daa194818264d-2792-1-st-v5-sos-75f9ea1e09d7499a9c5daa194818264d-2731-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAcvWvFyqAQcKA01DSRAAsgEHCgNMQVMQAA~AQoxCi8I15wBEgQyMjk2GMxAIIuQASiklogDMOKXiAM4RUAAWAFqA1dHQXIHRVhOVksyRhIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE.AQppCjMIwYIBEgQyMzkwGIuQASCjsQEowLqIAzDiu4gDOEJAAFgBagVCQVNJQ3IIU1ZBSVhTQlgKMgjBggESBDMyNTQYo7EBIMxAKIC9iAMw572IAzhCQAFYAWoFQkFTSUNyCFNWQUlYU0JYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw&medianPrice=642.00&displayPrice=409.61&src=dflp) - Kansas City (MCI)Las Vegas (LAS) Fri, Mar 20 Fri, Mar 27 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 7-day trip found 8 hours ago 30% less than typical $380 [](https://www.expedia.com/Flights-Search?leg1=from:MCI,to:LAS,departure:3/20/2026TANYT&leg2=from:LAS,to:MCI,departure:3/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-4491d8f939b54da894e161b444841891-1709-1~8.S.1~AQoGCAEQ86sSEgcI1AQQARgBKAJYAnAAegNiZnOIAdabvlyqAQcKA01DSRAAsgEHCgNMQVMQAA~AQoxCi8I15wBEgQyMjk2GMxAIIuQASiklogDMOKXiAM4RUAAWAFqA1dHQXIHRVhOVksyRgowCi4I15wBEgMzNjUYi5ABIMxAKJPliAMws-aIAzhaQABYAWoDV0dBcgdaWE5XSzJGEgoIARABGAEqAldOGAEiBAgBEAEoAigDKAQwAQ&medianPrice=721.00&displayPrice=379.81&src=dflp) ## Cheapest flights from Diagonal These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Sat, Mar 7 - Sat, Mar 14 DSM Des Moines DEN Denver $58 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DSM,to:DEN,departure:3/7/2026TANYT&leg2=from:DEN,to:DSM,departure:3/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:57.96&airProductToken=AQowCi4IxnISBDE2NzcYw2Qgg2korYSHAzCqhYcDOEVAAFgBagRQQ18xcgdLMDdTWFM5CjAKLgjGchIEMTY3OBiDaSDDZCim0YcDMJDShwM4RUAAWAFqBFBDXzFyB0swN1NYUzkSCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Mon, Mar 2 - Wed, Mar 11 DSM Des Moines DEN Denver $69 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DSM,to:DEN,departure:3/2/2026TANYT&leg2=from:DEN,to:DSM,departure:3/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:68.96&airProductToken=AQowCi4IxnISBDE2NzcYw2Qgg2kozcuGAzDIzIYDOEVAAFgBagRQQ18xcgdaMDdRWFM5CjAKLgjGchIEMTY3OBiDaSDDZCjGr4cDMLCwhwM4RUAAWAFqBFBDXzFyB0swN1pYUzkSDAgBEAEYASoCRjkyABgBIgQIARABKAIoAzAN) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Thu, Mar 5 - Wed, Mar 11 DSM Des Moines DEN Denver $73 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DSM,to:DEN,departure:3/5/2026TANYT&leg2=from:DEN,to:DSM,departure:3/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:72.96&airProductToken=AQowCi4IxnISBDE2NzcYw2Qgg2kot-2GAzCy7oYDOEVAAFgBagRQQ18xcgdaMDdRWFM5CjAKLgjGchIEMTY3OBiDaSDDZCjGr4cDMLCwhwM4RUAAWAFqBFBDXzFyB0swN1pYUzkSDAgBEAEYASoCRjkyABgBIgQIARABKAIoAzAN) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Mon, Mar 2 - Sat, Mar 7 DSM Des Moines DEN Denver $79 Roundtrip found 2 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DSM,to:DEN,departure:3/2/2026TANYT&leg2=from:DEN,to:DSM,departure:3/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:78.97&airProductToken=AQovCi0IxnISBDE2NzcYw2Qgg2kozcuGAzDIzIYDOFpAAFgBagNFQ09yB1owN1FYUzkKLwotCMZyEgQxNjc4GINpIMNkKIKDhwMw7IOHAzhLQABYAWoDRUNPcgdLMDdTWFM5EgwIARABGAEqAkY5MgAYASIECAEQASgCKAMoBDAB) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Mon, Mar 9 - Sat, Mar 14 DSM Des Moines DEN Denver $83 Roundtrip found 2 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DSM,to:DEN,departure:3/9/2026TANYT&leg2=from:DEN,to:DSM,departure:3/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:82.97&airProductToken=AQovCi0IxnISBDE2NzcYw2Qgg2kosZqHAzCum4cDOFpAAFgBagNFQ09yB1owN1FYUzkKLwotCMZyEgQxNjc4GINpIMNkKKbRhwMwkNKHAzhLQABYAWoDRUNPcgdLMDdTWFM5EgwIARABGAEqAkY5MgAYASIECAEQASgCKAMoBDAB) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Mon, Mar 2 - Fri, Mar 6 DSM Des Moines DEN Denver $84 Roundtrip found 8 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DSM,to:DEN,departure:3/2/2026TANYT&leg2=from:DEN,to:DSM,departure:3/6/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:83.96&airProductToken=AQowCi4IxnISBDE2NzcYw2Qgg2kozcuGAzDIzIYDOEVAAFgBagRQQ18xcgdaMDdRWFM5CjAKLgjGchIEMTY3OBiDaSDDZCji94YDMMz4hgM4RUAAWAFqBFBDXzFyB1owN0lYUzkSCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Mar 25 - Sat, Mar 28 DSM Des Moines DEN Denver $177 Roundtrip found 8 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DSM,to:DEN,departure:3/25/2026TANYT&leg2=from:DEN,to:DSM,departure:3/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:176.81&airProductToken=AQo4CjYI1YIBEgQ0Nzc3GMNkIINpKLbHiAMwwciIAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0FWNVRXQk4KOAo2CNWCARIENTM4ORiDaSDDZCjq8IgDMNrxiAM4TkAAWAFqCjFfYmFzaWNlY29yCEtBVjVUV0JOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![Southwest Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/wn.gif) Wed, Apr 1 - Sat, Apr 11 DSM Des Moines DEN Denver $177 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DSM,to:DEN,departure:4/1/2026TANYT&leg2=from:DEN,to:DSM,departure:4/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:176.81&airProductToken=AQovCi0I15wBEgMyNDUYw2Qgg2kop5yJAzCanYkDOEpAAFgBagNXR0FyB0pRTldSMkUKMAouCNecARIEMTcyNRiDaSDDZCjSiYoDMLaKigM4SkAAWAFqA1dHQXIHSlFOV1IyRRIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Mar 21 - Sat, Mar 28 DSM Des Moines PHX Phoenix $189 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DSM,to:PHX,departure:3/21/2026TANYT&leg2=from:PHX,to:DSM,departure:3/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:188.79&airProductToken=AQo0CjIIwYIBEgQzMTIwGMNkIO-5ASi7oIgDMPuhiAM4QkAAWAFqBUJBU0lDcghPVkFJSlNCWAo0CjIIwYIBEgQyNjUxGO-5ASDDZCja64gDMIftiAM4QkAAWAFqBUJBU0lDcghPV0FJSlNCWBIMCAEQARgBKgJBQTIAGAEiBAgBEAEoAigDKAQwCw) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Apr 1 - Sat, Apr 11 DSM Des Moines DEN Denver $197 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DSM,to:DEN,departure:4/1/2026TANYT&leg2=from:DEN,to:DSM,departure:4/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:196.40&airProductToken=AQpuCjUIxJgBEgQ0OTk4GMNkIMx8KNeYiQMwoZmJAzhFQABYAWoJTUFJTkJBU0lDcghWQVdOUTJCRwo1CMSYARIEMTAyNRjMfCCDaSjHmokDMMibiQM4RUABWAFqCU1BSU5CQVNJQ3IIVkFXTlEyQkcSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## How to Find Cheap Flights from Diagonal, IA #### How much is a flight from Diagonal? This week, flights from Diagonal are available between $58 – $197\. #### How to find cheap flights from Diagonal? Expedia makes it easy to compare cheap flights from Diagonal to many destinations. Check out excellent deals on domestic and international flights from Diagonal. Once you select an offer, use our filters and sort by “Price (Lowest)” to see some of the cheapest and suitable options. #### How can I get the best deal on flights from Diagonal? On Expedia, you have some of best airline ticket deals at your fingertips. Whether it’s a beach escape with your partner, a family vacation with your kids, or business trip with colleagues, these low airline ticket prices mean more savings for you. An excellent strategy for finding some of the best deals on flights from Diagonal is to be flexible with your dates. Within each offer, you can compare prices for similar timeframes using our “Show flexible dates” feature. Depending on your destination, direct flights from Diagonal may be more expensive. Airlines with strict bag policies or fees can also impact your costs. #### What is the best airline to fly from Diagonal? At Expedia, we give you all the available options from our reputable partners. Select the airline that best suits your preferences and membership loyalties. You can fly from Diagonal with: Frontier Airlines, United, Southwest Airlines, American Airlines, Delta. #### What is the best month to fly from Diagonal? One of the cheapest times to fly from Diagonal airport(s) is March, based on the current list of flights available now. Prices on plane tickets vary considerably throughout the year due to availability and seasonal demand. #### Are there any last-minute flights from Diagonal? Expedia is the place to find last-minute flights from Diagonal, making it easy for you to compare prices on flights in the near future for different combinations of travel dates and from multiple airlines. We source some of the best deals for you and display some of the best offers available over the next 2 weeks. #### Why book your ticket with Expedia? Booking flights from Diagonal with Expedia is the obvious choice to get low prices, save money, and see more value from every dollar spent. We show you some of the best deals happening right now and provide a vast inventory of airlines and flight routes to choose from, so you can find some of the cheapest flights from Diagonal. You can customize your journey to your timeline, route preferences, budget, rewards programs, and more. #### Can I change/cancel my flight? Some flights can be changed or canceled, but fees and refunds will depend on the unique terms of your flight agreement. Airlines have different rules and restrictions for exchanging or refunding flights. For more information, go to your itinerary or visit our [customer service portal](https://www.expedia.com/service/). We recommend choosing flights with no change fees for the most flexibility. Filter by “Flexible change policies” to see flights with no change fees. \*Data specialists from both ARC and Expedia Group analysed ARC's global flight data to distil actionable information to help people save money on travel. While it's impossible to guarantee when to find the lowest prices, after examining the variables, we were able to observe trends. Analysis based on ARC, round-trip flight data between 1 October 2017 - 30 September 2018 for Economy and Premium cabin ATPs on a global basis. ## Travel information ## Flights from Diagonal: Essential Travel Information | Cheapest flight from Diagonal | $58 (roundtrip) | | ----------------------------------- | ----------------------------------------------------------------------- | | Best airlines to fly from Diagonal | Frontier Airlines, United, Southwest Airlines, American Airlines, Delta | | Cheapest month to fly from Diagonal | March | | Diagonal IATA code | null | | Diagonal Country/State | Iowa | | Airline ticket deals from Diagonal | $58 - $197 | \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - [Clearfield Hotels ](https://www.expedia.com/Clearfield-Hotels.d553248634983189409.Travel-Guide-Hotels) - [Mount Ayr Hotels ](https://www.expedia.com/Mount-Ayr-Hotels.d3000437206.Travel-Guide-Hotels) - 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