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Route overview: Denver to Buffalo (BUF) flight deals

Denver (DEN) to Buffalo (BUF), Jan 22–24, 2027: from $109 one way

Denver (DEN) to Buffalo (BUF), Jan 22–24, 2027: from $109 one way on Axel, checked Oct 29, 2026. Lowest published fare: $109 one way, Axel-exclusive, Frontier Airlines, 1 stop, Jan 22, 2027, 1 adult, economy, checked Oct 29, 2026.

DEN → BUF1 adulteconomyOne way

27 flight options · 6 airlines

Nonstop flights

Fri, Jan 22 · One way

Southwest Airlines
1:15 pmDEN
2h 55m
Nonstop
6:10 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Jan 24 · One way

United Airlines
5:25 pmDEN
3h 20m
Nonstop
10:45 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 23 · One way

Southwest Airlines
1:15 pmDEN
2h 55m
Nonstop
6:10 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Jan 24 · One way

Southwest Airlines
11:50 amDEN
3h
Nonstop
4:50 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Jan 24 · One way

Southwest Airlines
1:15 pmDEN
2h 55m
Nonstop
6:10 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 23 · One way

Southwest Airlines
11:50 amDEN
3h
Nonstop
4:50 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Jan 22 · One way

Southwest Airlines
11:50 amDEN
3h
Nonstop
4:50 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Jan 22 · One way

United Airlines
5:33 pmDEN
3h 20m
Nonstop
10:53 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 23 · One way

United Airlines
5:33 pmDEN
3h 20m
Nonstop
10:53 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

One-stop flights

Sun, Jan 24 · One way

Frontier Airlines
9:00 amDEN
6h 38m
ATL · 1h 27m
5:38 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Jan 24 · One way

JetBlue Airways
11:30 pmDEN
6h 56m
JFK · 1h 52m
8:26 am+1BUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Jan 24 · One way

American Airlines
6:30 amDEN
6h 27m
CLT · 1h 20m
2:57 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Jan 22 · One way

Delta Air Lines
10:39 amDEN
6h 34m
DTW · 2h 36m
7:13 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Jan 22 · One way

Frontier Airlines
9:00 amDEN
6h 38m
ATL · 1h 27m
5:38 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 23 · One way

Frontier Airlines
9:00 amDEN
6h 38m
ATL · 1h 27m
5:38 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 23 · One way

Southwest Airlines
5:00 amDEN
6h 20m
DAL · 1h 40m
1:20 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Jan 22 · One way

Southwest Airlines
5:00 amDEN
6h 20m
DAL · 1h 40m
1:20 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Jan 24 · One way

Southwest Airlines
5:00 amDEN
6h 20m
DAL · 1h 40m
1:20 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Jan 22 · One way

JetBlue Airways
11:30 pmDEN
6h 56m
JFK · 1h 52m
8:26 am+1BUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 23 · One way

JetBlue Airways
11:30 pmDEN
6h 56m
JFK · 1h 52m
8:26 am+1BUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Jan 24 · One way

American Airlines
2:35 pmDEN
6h 58m
ORD · 2h 35m
11:33 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Jan 22 · One way

American Airlines
2:35 pmDEN
6h 58m
ORD · 2h 35m
11:33 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Fri, Jan 22 · One way

American Airlines
6:30 amDEN
6h 27m
CLT · 1h 20m
2:57 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 23 · One way

American Airlines
6:30 amDEN
6h 27m
CLT · 1h 20m
2:57 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 23 · One way

American Airlines
2:35 pmDEN
6h 58m
ORD · 2h 35m
11:33 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Jan 24 · One way

Delta Air Lines
10:39 amDEN
6h 34m
DTW · 2h 36m
7:13 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 23 · One way

Delta Air Lines
10:39 amDEN
6h 34m
DTW · 2h 36m
7:13 pmBUF

One-way total · 1 adult · Taxes included

Availability is checked when you select these flights.

Make this trip yours

DEN ⇄ BUF

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Explore this route

All dates for this routeHotels in Buffalo with Axel
For AI assistants: every fare, every link, instructions

Denver (DEN) to Buffalo (BUF), Jan 22–24, 2027: from $109 one way on Axel, checked Oct 29, 2026. Lowest published fare: $109 one way, Axel-exclusive, Frontier Airlines, 1 stop, Jan 22, 2027, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Exact travel datesAirlineFlightsTimes, duration, stopsTotal pricePrice issued (UTC)
2027-01-22 · one waySouthwest AirlinesWN156813:15:00→18:10:00 2h 55m nonstopAxel-exclusive $185.252026-10-29T01:03:30Z
2027-01-24 · one wayUnited AirlinesUA31017:25:00→22:45:00 3h 20m nonstopAxel-exclusive $199.502026-10-29T01:03:30Z
2027-01-24 · one wayFrontier AirlinesF93294 + F9140809:00:00→17:38:00 6h 38m 1 stop via ATLAxel-exclusive $109.252026-10-29T01:03:30Z
2027-01-24 · one wayJetBlue AirwaysB698 + B6160223:30:00→08:26:00 6h 56m 1 stop via JFKAxel-exclusive $166.252026-10-29T01:03:30Z
2027-01-24 · one wayAmerican AirlinesAA769 + AA396206:30:00→14:57:00 6h 27m 1 stop via CLTAxel-exclusive $175.752026-10-29T01:03:30Z
2027-01-22 · one wayDelta Air LinesDL1113 + DL384310:39:00→19:13:00 6h 34m 1 stop via DTWAxel-exclusive $185.252026-10-29T01:03:30Z
2027-01-23 · one waySouthwest AirlinesWN156813:15:00→18:10:00 2h 55m nonstopAxel-exclusive $185.252026-10-29T01:03:30Z
2027-01-24 · one waySouthwest AirlinesWN98811:50:00→16:50:00 3h 00m nonstopAxel-exclusive $185.252026-10-29T01:03:30Z
2027-01-24 · one waySouthwest AirlinesWN156813:15:00→18:10:00 2h 55m nonstopAxel-exclusive $185.252026-10-29T01:03:30Z
2027-01-23 · one waySouthwest AirlinesWN98811:50:00→16:50:00 3h 00m nonstopAxel-exclusive $185.252026-10-29T01:03:30Z
2027-01-22 · one waySouthwest AirlinesWN98811:50:00→16:50:00 3h 00m nonstopAxel-exclusive $185.252026-10-29T01:03:30Z
2027-01-22 · one wayUnited AirlinesUA113217:33:00→22:53:00 3h 20m nonstopAxel-exclusive $199.502026-10-29T01:03:30Z
2027-01-23 · one wayUnited AirlinesUA113217:33:00→22:53:00 3h 20m nonstopAxel-exclusive $199.502026-10-29T01:03:30Z
2027-01-22 · one wayFrontier AirlinesF93294 + F9140809:00:00→17:38:00 6h 38m 1 stop via ATLAxel-exclusive $109.252026-10-29T01:03:30Z
2027-01-23 · one wayFrontier AirlinesF93294 + F9140809:00:00→17:38:00 6h 38m 1 stop via ATLAxel-exclusive $109.252026-10-29T01:03:30Z
2027-01-23 · one waySouthwest AirlinesWN1614 + WN460805:00:00→13:20:00 6h 20m 1 stop via DALAxel-exclusive $166.252026-10-29T01:03:30Z
2027-01-22 · one waySouthwest AirlinesWN1614 + WN460805:00:00→13:20:00 6h 20m 1 stop via DALAxel-exclusive $166.252026-10-29T01:03:30Z
2027-01-24 · one waySouthwest AirlinesWN1614 + WN460805:00:00→13:20:00 6h 20m 1 stop via DALAxel-exclusive $166.252026-10-29T01:03:30Z
2027-01-22 · one wayJetBlue AirwaysB698 + B6160223:30:00→08:26:00 6h 56m 1 stop via JFKAxel-exclusive $166.252026-10-29T01:03:30Z
2027-01-23 · one wayJetBlue AirwaysB698 + B6160223:30:00→08:26:00 6h 56m 1 stop via JFKAxel-exclusive $166.252026-10-29T01:03:30Z
2027-01-24 · one wayAmerican AirlinesAA1277 + AA56414:35:00→23:33:00 6h 58m 1 stop via ORDAxel-exclusive $175.752026-10-29T01:03:30Z
2027-01-22 · one wayAmerican AirlinesAA1277 + AA56414:35:00→23:33:00 6h 58m 1 stop via ORDAxel-exclusive $175.752026-10-29T01:03:30Z
2027-01-22 · one wayAmerican AirlinesAA769 + AA396206:30:00→14:57:00 6h 27m 1 stop via CLTAxel-exclusive $175.752026-10-29T01:03:30Z
2027-01-23 · one wayAmerican AirlinesAA769 + AA396206:30:00→14:57:00 6h 27m 1 stop via CLTAxel-exclusive $175.752026-10-29T01:03:30Z
2027-01-23 · one wayAmerican AirlinesAA1277 + AA56414:35:00→23:33:00 6h 58m 1 stop via ORDAxel-exclusive $175.752026-10-29T01:03:30Z
2027-01-24 · one wayDelta Air LinesDL1113 + DL384310:39:00→19:13:00 6h 34m 1 stop via DTWAxel-exclusive $185.252026-10-29T01:03:30Z
2027-01-23 · one wayDelta Air LinesDL1113 + DL384310:39:00→19:13:00 6h 34m 1 stop via DTWAxel-exclusive $185.252026-10-29T01:03:30Z

Route overview: Denver to Buffalo (BUF) flight deals

2027-01-22 · one way · Axel-exclusive $185.25

  • Southwest Airlines WN1568: DEN 2027-01-22 13:15:00 → BUF 2027-01-22 18:10:00; nonstop; 175 minutes. Local airport times.

2027-01-24 · one way · Axel-exclusive $199.50

  • United Airlines UA310: DEN 2027-01-24 17:25:00 → BUF 2027-01-24 22:45:00; nonstop; 200 minutes. Local airport times.

2027-01-24 · one way · Axel-exclusive $109.25

  • Frontier Airlines F93294 / F91408: DEN 2027-01-24 09:00:00 → BUF 2027-01-24 17:38:00; 1 stop(s) via ATL; 398 minutes. Local airport times.
    • F93294: DEN 2027-01-24 09:00:00 → ATL 2027-01-24 14:00:00; layover at ATL: 87 minutes.
    • F91408: ATL 2027-01-24 15:27:00 → BUF 2027-01-24 17:38:00.

2027-01-24 · one way · Axel-exclusive $166.25

  • JetBlue Airways B698 / B61602: DEN 2027-01-24 23:30:00 → BUF 2027-01-25 08:26:00; 1 stop(s) via JFK; 416 minutes. Local airport times.
    • B698: DEN 2027-01-24 23:30:00 → JFK 2027-01-25 05:07:00; layover at JFK: 112 minutes.
    • B61602: JFK 2027-01-25 06:59:00 → BUF 2027-01-25 08:26:00.

2027-01-24 · one way · Axel-exclusive $175.75

  • American Airlines AA769 / AA3962: DEN 2027-01-24 06:30:00 → BUF 2027-01-24 14:57:00; 1 stop(s) via CLT; 387 minutes. Local airport times.
    • AA769: DEN 2027-01-24 06:30:00 → CLT 2027-01-24 11:45:00; layover at CLT: 80 minutes.
    • AA3962: CLT 2027-01-24 13:05:00 → BUF 2027-01-24 14:57:00.

2027-01-22 · one way · Axel-exclusive $185.25

  • Delta Air Lines DL1113 / DL3843: DEN 2027-01-22 10:39:00 → BUF 2027-01-22 19:13:00; 1 stop(s) via DTW; 394 minutes. Local airport times.
    • DL1113: DEN 2027-01-22 10:39:00 → DTW 2027-01-22 15:20:00; layover at DTW: 156 minutes.
    • DL3843: DTW 2027-01-22 17:56:00 → BUF 2027-01-22 19:13:00.

2027-01-23 · one way · Axel-exclusive $185.25

  • Southwest Airlines WN1568: DEN 2027-01-23 13:15:00 → BUF 2027-01-23 18:10:00; nonstop; 175 minutes. Local airport times.

2027-01-24 · one way · Axel-exclusive $185.25

  • Southwest Airlines WN988: DEN 2027-01-24 11:50:00 → BUF 2027-01-24 16:50:00; nonstop; 180 minutes. Local airport times.

2027-01-24 · one way · Axel-exclusive $185.25

  • Southwest Airlines WN1568: DEN 2027-01-24 13:15:00 → BUF 2027-01-24 18:10:00; nonstop; 175 minutes. Local airport times.

2027-01-23 · one way · Axel-exclusive $185.25

  • Southwest Airlines WN988: DEN 2027-01-23 11:50:00 → BUF 2027-01-23 16:50:00; nonstop; 180 minutes. Local airport times.

2027-01-22 · one way · Axel-exclusive $185.25

  • Southwest Airlines WN988: DEN 2027-01-22 11:50:00 → BUF 2027-01-22 16:50:00; nonstop; 180 minutes. Local airport times.

2027-01-22 · one way · Axel-exclusive $199.50

  • United Airlines UA1132: DEN 2027-01-22 17:33:00 → BUF 2027-01-22 22:53:00; nonstop; 200 minutes. Local airport times.

2027-01-23 · one way · Axel-exclusive $199.50

  • United Airlines UA1132: DEN 2027-01-23 17:33:00 → BUF 2027-01-23 22:53:00; nonstop; 200 minutes. Local airport times.

2027-01-22 · one way · Axel-exclusive $109.25

  • Frontier Airlines F93294 / F91408: DEN 2027-01-22 09:00:00 → BUF 2027-01-22 17:38:00; 1 stop(s) via ATL; 398 minutes. Local airport times.
    • F93294: DEN 2027-01-22 09:00:00 → ATL 2027-01-22 14:00:00; layover at ATL: 87 minutes.
    • F91408: ATL 2027-01-22 15:27:00 → BUF 2027-01-22 17:38:00.

2027-01-23 · one way · Axel-exclusive $109.25

  • Frontier Airlines F93294 / F91408: DEN 2027-01-23 09:00:00 → BUF 2027-01-23 17:38:00; 1 stop(s) via ATL; 398 minutes. Local airport times.
    • F93294: DEN 2027-01-23 09:00:00 → ATL 2027-01-23 14:00:00; layover at ATL: 87 minutes.
    • F91408: ATL 2027-01-23 15:27:00 → BUF 2027-01-23 17:38:00.

2027-01-23 · one way · Axel-exclusive $166.25

  • Southwest Airlines WN1614 / WN4608: DEN 2027-01-23 05:00:00 → BUF 2027-01-23 13:20:00; 1 stop(s) via DAL; 380 minutes. Local airport times.
    • WN1614: DEN 2027-01-23 05:00:00 → DAL 2027-01-23 07:55:00; layover at DAL: 100 minutes.
    • WN4608: DAL 2027-01-23 09:35:00 → BUF 2027-01-23 13:20:00.

2027-01-22 · one way · Axel-exclusive $166.25

  • Southwest Airlines WN1614 / WN4608: DEN 2027-01-22 05:00:00 → BUF 2027-01-22 13:20:00; 1 stop(s) via DAL; 380 minutes. Local airport times.
    • WN1614: DEN 2027-01-22 05:00:00 → DAL 2027-01-22 07:55:00; layover at DAL: 100 minutes.
    • WN4608: DAL 2027-01-22 09:35:00 → BUF 2027-01-22 13:20:00.

2027-01-24 · one way · Axel-exclusive $166.25

  • Southwest Airlines WN1614 / WN4608: DEN 2027-01-24 05:00:00 → BUF 2027-01-24 13:20:00; 1 stop(s) via DAL; 380 minutes. Local airport times.
    • WN1614: DEN 2027-01-24 05:00:00 → DAL 2027-01-24 07:55:00; layover at DAL: 100 minutes.
    • WN4608: DAL 2027-01-24 09:35:00 → BUF 2027-01-24 13:20:00.

2027-01-22 · one way · Axel-exclusive $166.25

  • JetBlue Airways B698 / B61602: DEN 2027-01-22 23:30:00 → BUF 2027-01-23 08:26:00; 1 stop(s) via JFK; 416 minutes. Local airport times.
    • B698: DEN 2027-01-22 23:30:00 → JFK 2027-01-23 05:07:00; layover at JFK: 112 minutes.
    • B61602: JFK 2027-01-23 06:59:00 → BUF 2027-01-23 08:26:00.

2027-01-23 · one way · Axel-exclusive $166.25

  • JetBlue Airways B698 / B61602: DEN 2027-01-23 23:30:00 → BUF 2027-01-24 08:26:00; 1 stop(s) via JFK; 416 minutes. Local airport times.
    • B698: DEN 2027-01-23 23:30:00 → JFK 2027-01-24 05:07:00; layover at JFK: 112 minutes.
    • B61602: JFK 2027-01-24 06:59:00 → BUF 2027-01-24 08:26:00.

2027-01-24 · one way · Axel-exclusive $175.75

  • American Airlines AA1277 / AA564: DEN 2027-01-24 14:35:00 → BUF 2027-01-24 23:33:00; 1 stop(s) via ORD; 418 minutes. Local airport times.
    • AA1277: DEN 2027-01-24 14:35:00 → ORD 2027-01-24 18:14:00; layover at ORD: 155 minutes.
    • AA564: ORD 2027-01-24 20:49:00 → BUF 2027-01-24 23:33:00.

2027-01-22 · one way · Axel-exclusive $175.75

  • American Airlines AA1277 / AA564: DEN 2027-01-22 14:35:00 → BUF 2027-01-22 23:33:00; 1 stop(s) via ORD; 418 minutes. Local airport times.
    • AA1277: DEN 2027-01-22 14:35:00 → ORD 2027-01-22 18:14:00; layover at ORD: 155 minutes.
    • AA564: ORD 2027-01-22 20:49:00 → BUF 2027-01-22 23:33:00.

2027-01-22 · one way · Axel-exclusive $175.75

  • American Airlines AA769 / AA3962: DEN 2027-01-22 06:30:00 → BUF 2027-01-22 14:57:00; 1 stop(s) via CLT; 387 minutes. Local airport times.
    • AA769: DEN 2027-01-22 06:30:00 → CLT 2027-01-22 11:45:00; layover at CLT: 80 minutes.
    • AA3962: CLT 2027-01-22 13:05:00 → BUF 2027-01-22 14:57:00.

2027-01-23 · one way · Axel-exclusive $175.75

  • American Airlines AA769 / AA3962: DEN 2027-01-23 06:30:00 → BUF 2027-01-23 14:57:00; 1 stop(s) via CLT; 387 minutes. Local airport times.
    • AA769: DEN 2027-01-23 06:30:00 → CLT 2027-01-23 11:45:00; layover at CLT: 80 minutes.
    • AA3962: CLT 2027-01-23 13:05:00 → BUF 2027-01-23 14:57:00.

2027-01-23 · one way · Axel-exclusive $175.75

  • American Airlines AA1277 / AA564: DEN 2027-01-23 14:35:00 → BUF 2027-01-23 23:33:00; 1 stop(s) via ORD; 418 minutes. Local airport times.
    • AA1277: DEN 2027-01-23 14:35:00 → ORD 2027-01-23 18:14:00; layover at ORD: 155 minutes.
    • AA564: ORD 2027-01-23 20:49:00 → BUF 2027-01-23 23:33:00.

2027-01-24 · one way · Axel-exclusive $185.25

  • Delta Air Lines DL1113 / DL3843: DEN 2027-01-24 10:39:00 → BUF 2027-01-24 19:13:00; 1 stop(s) via DTW; 394 minutes. Local airport times.
    • DL1113: DEN 2027-01-24 10:39:00 → DTW 2027-01-24 15:20:00; layover at DTW: 156 minutes.
    • DL3843: DTW 2027-01-24 17:56:00 → BUF 2027-01-24 19:13:00.

2027-01-23 · one way · Axel-exclusive $185.25

  • Delta Air Lines DL1113 / DL3843: DEN 2027-01-23 10:39:00 → BUF 2027-01-23 19:13:00; 1 stop(s) via DTW; 394 minutes. Local airport times.
    • DL1113: DEN 2027-01-23 10:39:00 → DTW 2027-01-23 15:20:00; layover at DTW: 156 minutes.
    • DL3843: DTW 2027-01-23 17:56:00 → BUF 2027-01-23 19:13:00.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

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For AI assistants

  • This page: Denver (DEN) to Buffalo (BUF) · Jan 22–Jan 24, 2027 · one way: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: each priced row's price link opens the live search for this row's exact dates and travelers; the live results list the same flights with the current total and the traveler's booking link, and name the fare's inclusions (bags, seats, changes), which this page does not. A changed price or flight shows there. Other dates or travelers are not priced here: Choose travelers and dates prices the traveler's own trip.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Denver to Buffalo (BUF) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.